TDC - EDC 7" Faultcodes
TDC - EDC 7" Faultcodes
                                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                       Check visually that the return piping from the tank,
                                                                                       low—pressure pipes are not plug its end hermetically and
                                                                                       damaged.                          operate the priming pump
                                                                                                                         by pressurizing the low
                                                                                                                         pressure circuit.
                                                                                                                                                                                       271
                                                                                                                                                   272
Component
            DTC   FMI   Error type   Visible anomaly           Possible cause             Recommended repairs                  Notes
  failure
            00    00                                   Excessive fuel blow—by from Disconnect the fuel return
                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
                                                       rail overpressure valve.    piping and check visually if
                                                                                   there is significant blow—by
                                                                                   from the overpressure valve.
                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                             273
                                                                                                                                                                                    274
  Component
                DTC   FMI          Error type              Visible anomaly            Possible cause                Recommended repairs                        Notes
    failure
                00    00                                                       Significant fuel blow—by       After having excluded all the        This problem might be due
                                                                                                                                                                                     ELECTRIC/ELECTRONIC SYSTEM
                                                                               inside the cylinder head       other                      system    to the lack of replacement of
                                                                               from one or more high          electrical/electronic                a pipe after disassembling, or
                                                                               pressure pipes and almost      anomalies, disconnect (from          to a wrong assembly of the
                                                                               total absence of pressure in   the filter support) the injector     pipe that have damaged its
                                                                               the rail.                      blow—by return piping, put its       sealing end on the injector.
                                                                                                              end in a transparent container
                                                                                                                                   After having positioned a
                                                                                                              and try starting. If the fuel flow
                                                                                                                                   new pipe in its seat (with the
                                                                                                              in the injector return is
                                                                                                                                   injector fastening screws
                                                                                                              significantly much higher than
                                                                                                                                   loosen), it is necessary to
                                                                                                              the normal one, and at the
                                                                                                                                   progressively             and
                                                                                                              same time the parameter
                                                                                                                                   alternatively tighten to the
                                                                                                              reading displays the lack of
                                                                                                                                   prescribed torque the
                                                                                                              pressurization of the rail,
                                                                                                                                   injector screws and the pipe
                                                                                                              replace the damaged high
                                                                                                                                   ring nut, making sure to ease
                                                                                                              pressure pipe.
                                                                                                                                   the correct mating of the
                                                                                                                                   pipe end with the fuel arrival
                                                                                                                                   seat in the injector.
SENSORS     —   01    00    NO      AVAILABLE No reaction noticeable on Environment       pressure Reading      of    measurable EDC pilot light off.
ATMOSPHERIC                 SYMPTOM           behalf of the driver.     sensor short—circuited or parameters by means of the
                                                                                                                                   The sensor is incorporated
PRESSURE                                                                open—circuited.            diagnostic instrument: in
                                                                                                                                   in the EDC gearcase and it is
                                                                                                   presence of this error, the
                                                                                                                                   not individually replaceable.
                                                                                                   supercharging air pressure will
                                                                                                   be fixed at 970 mbar            The possible painting of
                                                                                                                                   engine/gearcase           may
                                                                                                   Contact the Help Desk and
                                                                                                                                   compromise the correct
                                                                                                   follow the instructions for the
                                                                                                                                   detection         of       the
                                                                                                   possible replacement of the
                                                                                                                                   environment pressure.
                                                                                                   gearcase.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
SENSORS     —   01    04    SIGNAL              NOT No reaction noticeable on Environment       pressure     Reading      of    measurable EDC pilot light off.
ATMOSPHERIC                 PLAUSIBLE               behalf of the driver.     sensor short—circuited or      parameters by means of the
                                                                                                                                             The sensor is incorporated
PRESSURE                                                                      open—circuited.                diagnostic instrument: in
                                                                                                                                             in the EDC gearcase and it is
                                                                                                             presence of this error, the
                                                                                                                                             not individually replaceable.
                                                                                                             supercharging air pressure will
                                                                                                             be fixed at 970 mbar            The possible painting of
                                                                                                                                             engine/gearcase          may
                                                                                                             Contact the Help Desk and
                                                                                                                                             compromise the correct
                                                                                                             follow the instructions for the
                                                                                                                                             detection        of      the
                                                                                                             possible replacement of the
                                                                                                                                             environment pressure.
                                                                                                             gearcase.
                                                                                                                                                                             275
                                                                                                                                                                            276
  Component
                DTC   FMI           Error type              Visible anomaly            Possible cause            Recommended repairs                    Notes
    failure
SENSORS     —   01    05    SUPPLY OVER THE No reaction noticeable on Environment       pressure Reading      of    measurable              EDC pilot light off.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
ATMOSPHERIC                 NORMAL RANGE    behalf of the driver.     sensor short—circuited or parameters by means of the
                                                                                                                                            The sensor is incorporated
PRESSURE                                                              open—circuited.            diagnostic instrument: in
                                                                                                                                            in the EDC gearcase and it is
                                                                                                 presence of this error, the
                                                                                                                                            not individually replaceable.
                                                                                                 supercharging air pressure will
                                                                                                 be fixed at 970 mbar                       The possible painting of
                                                                                                                                            engine/gearcase          may
                                                                                                            Contact the Help Desk and
                                                                                                                                            compromise the correct
                                                                                                            follow the instructions for the
                                                                                                                                            detection        of      the
                                                                                                            possible replacement of the
                                                                                                                                            environment pressure.
                                                                                                            gearcase.
SENSORS     —   01    06    SUPPLY BELOW THE No reaction noticeable on Environment       pressure           Reading      of    measurable EDC pilot light off.
ATMOSPHERIC                 RANGE            behalf of the driver.     sensor short—circuited or            parameters by means of the
                                                                                                                                            The sensor is incorporated
PRESSURE                                                               open—circuited.                      diagnostic instrument: in
                                                                                                                                            in the EDC gearcase and it is
                                                                                                            presence of this error, the
                                                                                                                                            not individually replaceable.
                                                                                                            supercharging air pressure will
                                                                                                            be fixed at 970 mbar            The possible painting of
                                                                                                                                            engine/gearcase          may
                                                                                                            Contact the Help Desk and
                                                                                                                                            compromise the correct
                                                                                                            follow the instructions for the
                                                                                                                                            detection        of      the
                                                                                                            possible replacement of the
                                                                                                                                            environment pressure.
                                                                                                            gearcase.
SENSORS     —   01    07    VALUE OVER           THE No reaction noticeable on Environment       pressure   Reading      of    measurable EDC pilot light off.
ATMOSPHERIC                 NORMAL LIMIT             behalf of the driver.     sensor short—circuited or    parameters by means of the
                                                                                                                                            The sensor is incorporated
PRESSURE                                                                       open—circuited.              diagnostic instrument: in
                                                                                                                                            in the EDC gearcase and it is
                                                                                                            presence of this error, the
                                                                                                                                            not individually replaceable.
                                                                                                            supercharging air pressure will
                                                                                                            be fixed at 970 mbar            The possible painting of
                                                                                                                                            engine/gearcase          may
                                                                                                            Contact the Help Desk and
                                                                                                                                            compromise the correct
                                                                                                            follow the instructions for the
                                                                                                                                            detection        of      the
                                                                                                            possible replacement of the
                                                                                                                                            environment pressure.
                                                                                                            gearcase.
SENSORS     —   01    08    VALUE    BELOW       THE No reaction noticeable on Environment       pressure   Reading      of    measurable EDC pilot light off.
ATMOSPHERIC                 LIMIT                    behalf of the driver.     sensor short—circuited or    parameters by means of the
                                                                                                                                            The sensor is incorporated
PRESSURE                                                                       open—circuited.              diagnostic instrument: in
                                                                                                                                            in the EDC gearcase and it is
                                                                                                            presence of this error, the
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                            sensor connector (wiring side)
                                                                                                            pin 1 and connector EDC pin
                                                                                                            C18,      between      sensor
                                                                                                            connector (wiring side) pin 2
                                                                                                            and connector EDC pin C36.
                                                                                                                                                                277
                                                                                                                                                                278
  Component
                DTC   FMI          Error type            Visible anomaly             Possible cause              Recommended repairs                 Notes
    failure
SENSORS     —   02    02    OPEN CIRCUIT OR Indication on the water           Positively short—circuited,   Reading     of     measurable EDC pilot light on.
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
COOLANT                     SHORT CIRCUIT TO temperature instrument           ground—short—circuited or     parameters: in presence of this
TEMPERATURE                 GROUND           fixed at limit stop and pilot    open—circuited       water    error, the water temperature
                                             light lighted up.                tem?perature sensor           read on the gearcase will be
                                                                                                            the same of the engine oil one.
                                                                                                            Check by means of a
                                                                                                            multimeter that the sensor is
                                                                                                            all right (R = approx. 2,5
                                                                                                            kOhm at 20 °C) between pins
                                                                                                            1 and 2 of sensor itself.
                                                                                                           If the sensor is not damaged,
                                                                                                           check the wiring between the
                                                                                                           sensor connector (wiring side)
                                                                                                           pin 1 and connector EDC pin
                                                                                                           C18,      between      sensor
                                                                                                           connector (wiring side) pin 2
                                                                                                           and connector EDC pin C36.
SENSORS     —   02    03    NO SIGNAL              Indication on the water Positively short—circuited, Reading         of     measurable EDC pilot light on.
COOLANT                                            temperature instrument ground—short—circuited or parameters: in presence of this
TEMPERATURE                                        fixed at limit stop and pilot open—circuited      water error, the water temperature
                                                   light lighted up.             tem?perature sensor       read on the gearcase will be
                                                                                                           the same of the engine oil one.
                                                                                                            Check by means of a
                                                                                                            multimeter that the sensor is
                                                                                                            all right (R = approx. 2,5
                                                                                                            kOhm at 20 °C) between pins
                                                                                                            1 and 2 of sensor itself.
                                                                                                            If the sensor is not damaged,
                                                                                                            check the wiring between the
                                                                                                            sensor connector (wiring side)
                                                                                                            pin 1 and connector EDC pin
                                                                                                            C18,      between      sensor
                                                                                                            connector (wiring side) pin 2
                                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                  sensor connector (wiring side)
                                                                                                                  pin 1 and connector EDC pin
                                                                                                                  C18,      between      sensor
                                                                                                                  connector (wiring side) pin 2
                                                                                                                  and connector EDC pin C36.
                                                                                                                                                                      279
                                                                                                                                                                  280
  Component
                DTC   FMI          Error type               Visible anomaly             Possible cause             Recommended repairs                 Notes
    failure
SENSORS     —   02    06    SUPPLY BELOW THE Indication on the water            Positively short—circuited,   Reading     of     measurable EDC pilot light on.
                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
COOLANT                     RANGE            temperature instrument             ground—short—circuited or     parameters: in presence of this
TEMPERATURE                                  fixed at limit stop and pilot      open—circuited       water    error, the water temperature
                                             light lighted up.                  tem?perature sensor           read on the gearcase will be
                                                                                                              the same of the engine oil one.
                                                                                                              Check by means of a
                                                                                                              multimeter that the sensor is
                                                                                                              all right (R = approx. 2,5
                                                                                                              kOhm at 20 °C) between pins
                                                                                                              1 and 2 of sensor itself.
                                                                                                            If the sensor is not damaged,
                                                                                                            check the wiring between the
                                                                                                            sensor connector (wiring side)
                                                                                                            pin 1 and connector EDC pin
                                                                                                            C18,      between      sensor
                                                                                                            connector (wiring side) pin 2
                                                                                                            and connector EDC pin C36.
SENSORS     —   02    07    VALUE OVER          THE Indication on the water Positively short—circuited, Reading         of     measurable EDC pilot light on.
COOLANT                     NORMAL LIMIT            temperature instrument ground—short—circuited or parameters: in presence of this
TEMPERATURE                                         fixed at limit stop and pilot open—circuited      water error, the water temperature
                                                    light lighted up.             tem?perature sensor       read on the gearcase will be
                                                                                                            the same of the engine oil one.
                                                                                                              Check by means of a
                                                                                                              multimeter that the sensor is
                                                                                                              all right (R = approx. 2,5
                                                                                                              kOhm at 20 °C) between pins
                                                                                                              1 and 2 of sensor itself.
                                                                                                              If the sensor is not damaged,
                                                                                                              check the wiring between the
                                                                                                              sensor connector (wiring side)
                                                                                                              pin 1 and connector EDC pin
                                                                                                              C18,      between      sensor
                                                                                                              connector (wiring side) pin 2
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                        34.
                                                                                                                                                            281
                                                                                                                                                                           282
  Component
               DTC   FMI         Error type            Visible anomaly          Possible cause             Recommended repairs                        Notes
    failure
SENSORS    —   03    00    NO      AVAILABLE a)idling accelerated at      Accelerator pedal: not     Reading of parameters by             EDC pilot light on.
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                SYMPTOM           approx. 1100 rpm in idling   plausible signal between   means of the diagnostic
                                                                                                                                          a) the potentiometer signal
PEDAL                                        position and standard        idling     switch    and   instrument to determine the
                                                                                                                                          is valid and it shows that the
                                             acceleration when the        potentiometer              faulty part of the accelerator
                                                                                                                                          pedal is released, but the
                                             pedal is pressed.                                       (potentiometer     or    idling
                                                                                                                                          state of the switch shows
                                                                                                     switch).
                                                 b)standard idling but                                                                    that the pedal is pressed
                                                 revolution and power                                a)check on the component that
                                                                                                                                          b) the switch signal is valid
                                                 reduction        when                               the idling switch is not damaged
                                                                                                                                          and it shows that the pedal
                                                 accelerating.                                       by means of the multimeter
                                                                                                                                          is released, but the
                                                                                                     (ON—OFF                switchover
                                                                                                                                          potentiometer signal shows
                                                                                                     between pins 4 and 5 of pedal
                                                                                                                                          that the pedal is pressed.
                                                                                                     connector, component side).
                                                                                                     In case the switch is not
                                                                                                     damaged, research of the
                                                                                                     switch on wiring between pedal
                                                                                                     connector (wiring side) pin 4
                                                                                                     and connector EDC pin B50
                                                                                                     passingh through sleeve B pin
                                                                                                     33, between pedal connector
                                                                                                     (wiring side) pin 5 and
                                                                                                     connector EDC pin B73 passing
                                                                                                     through sleeve B pin 32.
                                                                                                     b)By means of multimeter
                                                                                                     check    directly    on   the
                                                                                                     component         that    the
                                                                                                     potentiometer is not damaged.
                                                                                                   In case the potentiometer is not
                                                                                                   damaged,       check       wiring
                                                                                                   between pedal connector and
                                                                                                   connector EDC.
SENSORS    —   03    00    NO      AVAILABLE Power reduction         No              accelerator Check by means of a EDC pilot light on.
ACCELERATOR                SYMPTOM                                   potentiometer          signal multimeter directly on the
                                             Accelerated idling at
PEDAL                                                                (possible open circuit).      component          that      the
                                             approx. 1100 rpm in any
                                                                                                   potentiometer is all right (Total
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                          pin 1 and connector EDC pin
                                                                                                          B83 passing through sleeve B
                                                                                                          pin 36, between pedal
                                                                                                          connector (wiring side) pin 2
                                                                                                          and connector EDC pin B55
                                                                                                          passing through sleeve B pin 35,
                                                                                                          between pedal connector
                                                                                                          (wiring side) pin 3 and
                                                                                                          connector EDC pin B81 passing
                                                                                                          through sleeve B pin 34.
                                                                                                                                                               283
                                                                                                                                                                          284
  Component
               DTC   FMI         Error type           Visible anomaly          Possible cause             Recommended repairs                        Notes
    failure
SENSORS    —   03    01    SHORT CIRCUIT TO a)idling accelerated at      Accelerator pedal: not     Reading of parameters by             EDC pilot light on.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                POSITIVE         approx. 1100 rpm in idling   plausible signal between   means of the diagnostic
                                                                                                                                         a) the potentiometer signal
PEDAL                                       position and standard        idling     switch    and   instrument to determine the
                                                                                                                                         is valid and it shows that the
                                            acceleration when the        potentiometer              faulty part of the accelerator
                                                                                                                                         pedal is released, but the
                                            pedal is pressed.                                       (potentiometer     or    idling
                                                                                                                                         state of the switch shows
                                                                                                    switch).
                                                 b)standard idling but                                                                   that the pedal is pressed
                                                 revolution and power                               a)check on the component that
                                                                                                                                         b) the switch signal is valid
                                                 reduction        when                              the idling switch is not damaged
                                                                                                                                         and it shows that the pedal
                                                 accelerating.                                      by means of the multimeter
                                                                                                                                         is released, but the
                                                                                                    (ON—OFF                switchover
                                                                                                                                         potentiometer signal shows
                                                                                                    between pins 4 and 5 of pedal
                                                                                                                                         that the pedal is pressed.
                                                                                                    connector, component side).
                                                                                                    In case the switch is not
                                                                                                    damaged, research of the
                                                                                                    switch on wiring between pedal
                                                                                                    connector (wiring side) pin 4
                                                                                                    and connector EDC pin B50
                                                                                                    passingh through sleeve B pin
                                                                                                    33, between pedal connector
                                                                                                    (wiring side) pin 5 and
                                                                                                    connector EDC pin B73 passing
                                                                                                    through sleeve B pin 32.
                                                                                                    b)By means of multimeter
                                                                                                    check    directly    on   the
                                                                                                    component         that    the
                                                                                                    potentiometer is not damaged.
                                                                                                  In case the potentiometer is not
                                                                                                  damaged,       check       wiring
                                                                                                  between pedal connector and
                                                                                                  connector EDC.
SENSORS    —   03    01    SHORT CIRCUIT TO Power reduction         No              accelerator Check by means of a EDC pilot light on.
ACCELERATOR                POSITIVE                                 potentiometer          signal multimeter directly on the
                                            Accelerated idling at
PEDAL                                                               (possible open circuit).      component          that      the
                                            approx. 1100 rpm in any
                                                                                                  potentiometer is all right (Total
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                          pin 1 and connector EDC pin
                                                                                                          B83 passing through sleeve B
                                                                                                          pin 36, between pedal
                                                                                                          connector (wiring side) pin 2
                                                                                                          and connector EDC pin B55
                                                                                                          passing through sleeve B pin 35,
                                                                                                          between pedal connector
                                                                                                          (wiring side) pin 3 and
                                                                                                          connector EDC pin B81 passing
                                                                                                          through sleeve B pin 34.
                                                                                                                                                                285
                                                                                                                                                                          286
  Component
               DTC   FMI         Error type           Visible anomaly          Possible cause             Recommended repairs                        Notes
    failure
SENSORS    —   03    02    OPEN CIRCUIT OR a)idling accelerated at       Accelerator pedal: not     Reading of parameters by             EDC pilot light on.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                SHORT CIRCUIT TO approx. 1100 rpm in idling   plausible signal between   means of the diagnostic
                                                                                                                                         a) the potentiometer signal
PEDAL                      GROUND           position and standard        idling     switch    and   instrument to determine the
                                                                                                                                         is valid and it shows that the
                                            acceleration when the        potentiometer              faulty part of the accelerator
                                                                                                                                         pedal is released, but the
                                            pedal is pressed.                                       (potentiometer     or    idling
                                                                                                                                         state of the switch shows
                                                                                                    switch).
                                                 b)standard idling but                                                                   that the pedal is pressed
                                                 revolution and power                               a)check on the component that
                                                                                                                                         b) the switch signal is valid
                                                 reduction        when                              the idling switch is not damaged
                                                                                                                                         and it shows that the pedal
                                                 accelerating.                                      by means of the multimeter
                                                                                                                                         is released, but the
                                                                                                    (ON—OFF                switchover
                                                                                                                                         potentiometer signal shows
                                                                                                    between pins 4 and 5 of pedal
                                                                                                                                         that the pedal is pressed.
                                                                                                    connector, component side).
                                                                                                    In case the switch is not
                                                                                                    damaged, research of the
                                                                                                    switch on wiring between pedal
                                                                                                    connector (wiring side) pin 4
                                                                                                    and connector EDC pin B50
                                                                                                    passingh through sleeve B pin
                                                                                                    33, between pedal connector
                                                                                                    (wiring side) pin 5 and
                                                                                                    connector EDC pin B73 passing
                                                                                                    through sleeve B pin 32.
                                                                                                    b)By means of multimeter
                                                                                                    check    directly    on   the
                                                                                                    component         that    the
                                                                                                    potentiometer is not damaged.
                                                                                                  In case the potentiometer is not
                                                                                                  damaged,       check       wiring
                                                                                                  between pedal connector and
                                                                                                  connector EDC.
SENSORS    —   03    02    OPEN CIRCUIT OR Power reduction          No              accelerator Check by means of a EDC pilot light on.
ACCELERATOR                SHORT CIRCUIT TO                         potentiometer          signal multimeter directly on the
                                            Accelerated idling at
PEDAL                      GROUND                                   (possible open circuit).      component          that      the
                                            approx. 1100 rpm in any
                                                                                                  potentiometer is all right (Total
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                             (wiring side) pin 5 and
                                                                                                             connector EDC pin B73 passing
                                                                                                             through sleeve B pin 32.
                                                                                                             b)By means of multimeter check
                                                                                                             directly on the component that
                                                                                                             the potentiometer is not
                                                                                                             damaged.
                                                                                                             In case the potentiometer is not
                                                                                                             damaged, check wiring between
                                                                                                             pedal connector and connector
                                                                                                             EDC.
                                                                                                                                                                                287
                                                                                                                                                           288
  Component
               DTC   FMI        Error type         Visible anomaly              Possible cause               Recommended repairs                 Notes
    failure
SENSORS    —   03    03    NO SIGNAL         Power reduction         No              accelerator Check by means of a EDC pilot light on.
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                                                          potentiometer          signal multimeter directly on the
                                             Accelerated idling at
PEDAL                                                                (possible open circuit).      component       that     the
                                             approx. 1100 rpm in any
                                                                                                   potentiometer is all right
                                             pedal position.
                                                                                                   (Total R. = approx. 1 kOhm)
                                                                                                   between pins 2 and 3 of
                                                                                                   connector (component side).
                                                                                                       If the potentiometer is all right,
                                                                                                       check the wiring between
                                                                                                       pedal      connector          and
                                                                                                       connector EDC.
SENSORS    —   03    03    NO SIGNAL         Power reduction            Accelerator              pedal Reading      of    measurable EDC pilot light on.
ACCELERATOR                                                             potentiometer                  parameters       using        the
                                             With the accelerator                                      diagnostic instrument to verify
PEDAL                                                                   short—circuited.
                                             pedal at rest, the engine                                 the             potentiometer
                                             runs at accelerated idling                                malfunctioning (the signal
                                             (approx. 1100 rpm.)                                       doesn’t vary from 0% to
                                                                                                       100%).
                                             Pressing the pedal, the
                                             engine progressively and                                  Check by means of a
                                             uncontrollably increases                                  multimeter       that     the
                                             the rpm up to approx                                      potentiometer is all right
                                             2600 rpm.                                                 (Total R. = approx. 1 kOhm)
                                                                                                       between pins 2 and 3 of pedal
                                                                                                       connector (component side),
                                                                                                       check the linear resistance
                                                                                                       variance of the potentiometer
                                                                                                       between pins 1—3 and 2—3
                                                                                                       between the idling and the
                                                                                                       peak
                                                                                                       If the potentiometer is all right
                                                                                                       check the wiring between the
                                                                                                       pedal connector (wiring side)
                                                                                                       pin 1 and connector EDC pin
                                                                                                       B83 passing through sleeve B
                                                                                                       pin 36, between pedal
                                                                                                       connector (wiring side) pin 2
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              (wiring side) pin 5 and
                                                                                                              connector EDC pin B73 passing
                                                                                                              through sleeve B pin 32.
                                                                                                              b)By means of multimeter
                                                                                                              check    directly    on   the
                                                                                                              component         that    the
                                                                                                              potentiometer is not damaged.
                                                                                                              In case the potentiometer is not
                                                                                                              damaged,       check     wiring
                                                                                                              between pedal connector and
                                                                                                              connector EDC.
                                                                                                                                                                                    289
                                                                                                                                                                 290
  Component
               DTC   FMI         Error type              Visible anomaly              Possible cause               Recommended repairs                 Notes
    failure
SENSORS    —   03    04    SIGNAL             NOT Power reduction          No              accelerator Check by means of a EDC pilot light on.
                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                PLAUSIBLE                                       potentiometer          signal multimeter directly on the
                                                   Accelerated idling at
PEDAL                                                                      (possible open circuit).      component       that     the
                                                   approx. 1100 rpm in any
                                                                                                         potentiometer is all right
                                                   pedal position.
                                                                                                         (Total R. = approx. 1 kOhm)
                                                                                                         between pins 2 and 3 of
                                                                                                         connector (component side).
                                                                                                             If the potentiometer is all right,
                                                                                                             check the wiring between
                                                                                                             pedal      connector          and
                                                                                                             connector EDC.
SENSORS    —   03    04    SIGNAL             NOT Power reduction             Accelerator              pedal Reading      of    measurable EDC pilot light on.
ACCELERATOR                PLAUSIBLE                                          potentiometer                  parameters       using        the
                                                   With the accelerator                                      diagnostic instrument to verify
PEDAL                                                                         short—circuited.
                                                   pedal at rest, the engine                                 the             potentiometer
                                                   runs at accelerated idling                                malfunctioning (the signal
                                                   (approx. 1100 rpm.)                                       doesn’t vary from 0% to
                                                                                                             100%).
                                                   Pressing the pedal, the
                                                   engine progressively and                                  Check by means of a
                                                   uncontrollably increases                                  multimeter       that     the
                                                   the rpm up to approx                                      potentiometer is all right
                                                   2600 rpm.                                                 (Total R. = approx. 1 kOhm)
                                                                                                             between pins 2 and 3 of pedal
                                                                                                             connector (component side),
                                                                                                             check the linear resistance
                                                                                                             variance of the potentiometer
                                                                                                             between pins 1—3 and 2—3
                                                                                                             between the idling and the
                                                                                                             peak
                                                                                                             If the potentiometer is all right
                                                                                                             check the wiring between the
                                                                                                             pedal connector (wiring side)
                                                                                                             pin 1 and connector EDC pin
                                                                                                             B83 passing through sleeve B
                                                                                                             pin 36, between pedal
                                                                                                             connector (wiring side) pin 2
                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
                                                                                                      34.
                                                                                                                                                          291
                                                                                                                                                                         292
  Component
               DTC   FMI         Error type           Visible anomaly         Possible cause             Recommended repairs                        Notes
    failure
SENSORS    —   03    05    SUPPLY OVER THE a)idling accelerated at      Accelerator pedal: not     Reading of parameters by             EDC pilot light on.
                                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                NORMAL RANGE    approx. 1100 rpm in idling   plausible signal between   means of the diagnostic
                                                                                                                                        a) the potentiometer signal
PEDAL                                      position and standard        idling     switch    and   instrument to determine the
                                                                                                                                        is valid and it shows that the
                                           acceleration when the        potentiometer              faulty part of the accelerator
                                                                                                                                        pedal is released, but the
                                           pedal is pressed.                                       (potentiometer     or    idling
                                                                                                                                        state of the switch shows
                                                                                                   switch).
                                                b)standard idling but                                                                   that the pedal is pressed
                                                revolution and power                               a)check on the component that
                                                                                                                                        b) the switch signal is valid
                                                reduction        when                              the idling switch is not damaged
                                                                                                                                        and it shows that the pedal
                                                accelerating.                                      by means of the multimeter
                                                                                                                                        is released, but the
                                                                                                   (ON—OFF                switchover
                                                                                                                                        potentiometer signal shows
                                                                                                   between pins 4 and 5 of pedal
                                                                                                                                        that the pedal is pressed.
                                                                                                   connector, component side).
                                                                                                   In case the switch is not
                                                                                                   damaged, research of the
                                                                                                   switch on wiring between pedal
                                                                                                   connector (wiring side) pin 4
                                                                                                   and connector EDC pin B50
                                                                                                   passingh through sleeve B pin
                                                                                                   33, between pedal connector
                                                                                                   (wiring side) pin 5 and
                                                                                                   connector EDC pin B73 passing
                                                                                                   through sleeve B pin 32.
                                                                                                   b)By means of multimeter
                                                                                                   check    directly    on   the
                                                                                                   component         that    the
                                                                                                   potentiometer is not damaged.
                                                                                                 In case the potentiometer is not
                                                                                                 damaged,       check       wiring
                                                                                                 between pedal connector and
                                                                                                 connector EDC.
SENSORS    —   03    05    SUPPLY OVER THE Power reduction         No              accelerator Check by means of a EDC pilot light on.
ACCELERATOR                NORMAL RANGE                            potentiometer          signal multimeter directly on the
                                           Accelerated idling at
PEDAL                                                              (possible open circuit).      component          that      the
                                           approx. 1100 rpm in any
                                                                                                 potentiometer is all right (Total
                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                       34.
                                                                                                                                                           293
                                                                                                                                                                          294
  Component
               DTC   FMI         Error type           Visible anomaly          Possible cause             Recommended repairs                        Notes
    failure
SENSORS    —   03    06    SUPPLY BELOW THE a)idling accelerated at      Accelerator pedal: not     Reading of parameters by             EDC pilot light on.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                RANGE            approx. 1100 rpm in idling   plausible signal between   means of the diagnostic
                                                                                                                                         a) the potentiometer signal
PEDAL                                       position and standard        idling     switch    and   instrument to determine the
                                                                                                                                         is valid and it shows that the
                                            acceleration when the        potentiometer              faulty part of the accelerator
                                                                                                                                         pedal is released, but the
                                            pedal is pressed.                                       (potentiometer     or    idling
                                                                                                                                         state of the switch shows
                                                                                                    switch).
                                                 b)standard idling but                                                                   that the pedal is pressed
                                                 revolution and power                               a)check on the component that
                                                                                                                                         b) the switch signal is valid
                                                 reduction        when                              the idling switch is not damaged
                                                                                                                                         and it shows that the pedal
                                                 accelerating.                                      by means of the multimeter
                                                                                                                                         is released, but the
                                                                                                    (ON—OFF                switchover
                                                                                                                                         potentiometer signal shows
                                                                                                    between pins 4 and 5 of pedal
                                                                                                                                         that the pedal is pressed.
                                                                                                    connector, component side).
                                                                                                    In case the switch is not
                                                                                                    damaged, research of the
                                                                                                    switch on wiring between pedal
                                                                                                    connector (wiring side) pin 4
                                                                                                    and connector EDC pin B50
                                                                                                    passingh through sleeve B pin
                                                                                                    33, between pedal connector
                                                                                                    (wiring side) pin 5 and
                                                                                                    connector EDC pin B73 passing
                                                                                                    through sleeve B pin 32.
                                                                                                    b)By means of multimeter
                                                                                                    check    directly    on   the
                                                                                                    component         that    the
                                                                                                    potentiometer is not damaged.
                                                                                                  In case the potentiometer is not
                                                                                                  damaged,       check       wiring
                                                                                                  between pedal connector and
                                                                                                  connector EDC.
SENSORS    —   03    06    SUPPLY BELOW THE Power reduction         No              accelerator Check by means of a EDC pilot light on.
ACCELERATOR                RANGE                                    potentiometer          signal multimeter directly on the
                                            Accelerated idling at
PEDAL                                                               (possible open circuit).      component          that      the
                                            approx. 1100 rpm in any
                                                                                                  potentiometer is all right (Total
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                            34.
                                                                                                                                                                295
                                                                                                                                                                            296
  Component
               DTC   FMI        Error type               Visible anomaly            Possible cause             Recommended repairs                       Notes
    failure
SENSORS    —   03    07    VALUE OVER        THE a)idling accelerated at      Accelerator pedal: not     Reading of parameters by means       EDC pilot light on.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                NORMAL LIMIT          approx. 1100 rpm in idling   plausible signal between   of the diagnostic instrument to
                                                                                                                                           a) the potentiometer signal
PEDAL                                            position and standard        idling     switch    and   determine the faulty part of the
                                                                                                                                           is valid and it shows that the
                                                 acceleration when the        potentiometer              accelerator (potentiometer or
                                                                                                                                           pedal is released, but the
                                                 pedal is pressed.                                       idling switch).
                                                                                                                                           state of the switch shows
                                                   b)standard idling but                                 a)check on the component that that the pedal is pressed
                                                   revolution and power                                  the idling switch is not damaged
                                                                                                                                           b) the switch signal is valid
                                                   reduction        when                                 by means of the multimeter
                                                                                                                                           and it shows that the pedal
                                                   accelerating.                                         (ON—OFF switchover between
                                                                                                                                           is released, but the
                                                                                                         pins 4 and 5 of pedal connector,
                                                                                                                                           potentiometer signal shows
                                                                                                         component side).
                                                                                                                                           that the pedal is pressed.
                                                                                                         In case the switch is not
                                                                                                         damaged, research of the switch
                                                                                                         on wiring between pedal
                                                                                                         connector (wiring side) pin 4
                                                                                                         and connector EDC pin B50
                                                                                                         passingh through sleeve B pin 33,
                                                                                                         between        pedal connector
                                                                                                         (wiring side) pin 5 and
                                                                                                         connector EDC pin B73 passing
                                                                                                         through sleeve B pin 32.
                                                                                                         b)By means of multimeter check
                                                                                                         directly on the component that
                                                                                                         the potentiometer is not
                                                                                                         damaged.
                                                                                                       In case the potentiometer is not
                                                                                                       damaged, check wiring between
                                                                                                       pedal connector and connector
                                                                                                       EDC.
SENSORS    —   03    07    VALUE OVER        THE Power reduction         No              accelerator Check by means of a EDC pilot light on.
ACCELERATOR                NORMAL LIMIT                                  potentiometer          signal multimeter directly on the
                                                 Accelerated idling at
PEDAL                                                                    (possible open circuit).      component          that      the
                                                 approx. 1100 rpm in any
                                                                                                       potentiometer is all right
                                                 pedal position.
                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                       297
                                                                                                                                                                   298
  Component
               DTC   FMI           Error type              Visible anomaly              Possible cause               Recommended repairs                 Notes
    failure
SENSORS    —   03    08    VALUE    BELOW       THE Power reduction             Accelerator              pedal Reading      of    measurable EDC pilot light on.
                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                LIMIT                                                potentiometer                  parameters       using     the
                                                     With the accelerator
PEDAL                                                                           short—circuited.               diagnostic instrument to verify
                                                     pedal at rest, the engine
                                                                                                               the             potentiometer
                                                     runs at accelerated idling
                                                                                                               malfunctioning (the signal
                                                     (approx. 1100 rpm.)
                                                                                                               doesn’t vary from 0% to
                                                     Pressing the pedal, the                                   100%).
                                                     engine progressively and
                                                                                                               Check by means of a
                                                     uncontrollably increases
                                                                                                               multimeter       that     the
                                                     the rpm up to approx
                                                                                                               potentiometer is all right
                                                     2600 rpm.
                                                                                                               (Total R. = approx. 1 kOhm)
                                                                                                               between pins 2 and 3 of pedal
                                                                                                               connector (component side),
                                                                                                               check the linear resistance
                                                                                                               variance of the potentiometer
                                                                                                               between pins 1—3 and 2—3
                                                                                                               between the idling and the
                                                                                                               peak
                                                                                                               If the potentiometer is all right
                                                                                                               check the wiring between the
                                                                                                               pedal connector (wiring side)
                                                                                                               pin 1 and connector EDC pin
                                                                                                               B83 passing through sleeve B
                                                                                                               pin 36, between pedal
                                                                                                               connector (wiring side) pin 2
                                                                                                               and connector EDC pin B55
                                                                                                               passing through sleeve B pin
                                                                                                               35, between pedal connector
                                                                                                               (wiring side) pin 3 and
                                                                                                               connector EDC pin B81
                                                                                                               passing through sleeve B pin
                                                                                                               34.
                                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
                                                                                  open—circuited rail pressure pin 1 and connector EDC pin
                                                                                  sensor                       C20, between sensor connector
                                                                                                               (wiring side) pin 2 and
                                                                                                               connector EDC pin C27,
                                                                                                               between sensor connector
                                                                                                               (wiring side) pin 3 and
                                                                                                               connector EDC pin C12.
                                                                                                              Replace the sensor after having
                                                                                                              excluded all the other
                                                                                                              possibilities.
                                                                                                                                                                                 299
                                                                                                                                                               300
   Component
                 DTC   FMI         Error type           Visible anomaly              Possible cause             Recommended repairs              Notes
     failure
SENSORS — FUEL   04    01    SHORT CIRCUIT TO Significant             power Positively short—circuited,    Check the wiring between EDC pilot light winking.
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                     POSITIVE         reduction                     ground short—circuited or      sensor connector (wiring side)
                                                                            open—circuited rail pressure   pin 1 and connector EDC pin
                                                                            sensor                         C20,     between       sensor
                                                                                                           connector (wiring side) pin 2
                                                                                                           and connector EDC pin C27,
                                                                                                           between sensor connector
                                                                                                           (wiring side) pin 3 and
                                                                                                           connector EDC pin C12.
                                                                                                         Replace the sensor after
                                                                                                         having excluded all the other
                                                                                                         possibilities.
SENSORS — FUEL   04    02    OPEN CIRCUIT OR Significant              power Positively short—circuited, Check the wiring between EDC pilot light winking.
PRESSURE                     SHORT CIRCUIT TO reduction                     ground short—circuited or sensor connector (wiring side)
                             GROUND                                         open—circuited rail pressure pin 1 and connector EDC pin
                                                                            sensor                       C20,       between     sensor
                                                                                                         connector (wiring side) pin 2
                                                                                                         and connector EDC pin C27,
                                                                                                         between sensor connector
                                                                                                         (wiring side) pin 3 and
                                                                                                         connector EDC pin C12.
                                                                                                         Replace the sensor after
                                                                                                         having excluded all the other
                                                                                                         possibilities.
SENSORS — FUEL   04    03    NO SIGNAL           Significant          power Positively short—circuited, Check the wiring between EDC pilot light winking.
PRESSURE                                         reduction                  ground short—circuited or sensor connector (wiring side)
                                                                            open—circuited rail pressure pin 1 and connector EDC pin
                                                                            sensor                       C20,       between     sensor
                                                                                                         connector (wiring side) pin 2
                                                                                                         and connector EDC pin C27,
                                                                                                         between sensor connector
                                                                                                         (wiring side) pin 3 and
                                                                                                         connector EDC pin C12.
                                                                                                           Replace the sensor after
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
                                                                                                             Check the sensor is all right (R =
                                                                                                             approx. 2,5 kOhm at 20 °C)
                                                                                                             If the sensor is not damaged,
                                                                                                             check the wiring between the
                                                                                                             sensor connector (wiring side)
                                                                                                             pin 1 and connector EDC pin
                                                                                                             C17, between sensor connector
                                                                                                             (wiring side) pin 2 and
                                                                                                             connector EDC pin C34.
                                                                                                                                                                 301
                                                                                                                                                                  302
   Component
                 DTC   FMI          Error type             Visible anomaly              Possible cause             Recommended repairs              Notes
     failure
SENSORS — FUEL   04    05    SUPPLY OVER THE Significant                 power Positively short—circuited,    Check the wiring between EDC pilot light winking.
                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                     NORMAL RANGE    reduction                         ground short—circuited or      sensor connector (wiring side)
                                                                               open—circuited rail pressure   pin 1 and connector EDC pin
                                                                               sensor                         C20,     between       sensor
                                                                                                              connector (wiring side) pin 2
                                                                                                              and connector EDC pin C27,
                                                                                                              between sensor connector
                                                                                                              (wiring side) pin 3 and
                                                                                                              connector EDC pin C12.
                                                                                                    Replace the sensor after
                                                                                                    having excluded all the other
                                                                                                    possibilities.
SENSORS — FUEL   04    06    SUPPLY BELOW THE No reaction noticeable on Positively short—circuited, Reading        of  measurable EDC pilot light off
TEMPERATURE                  RANGE            behalf of the driver.     ground—short—circuited or parameters: in presence of this
                                                                        open—circuited         fuel error, the fuel temperature
                                                                        temperature sensor          will be fixed at 20 °C
                                                                                                              Check the sensor is all right (R
                                                                                                              = approx. 2,5 kOhm at 20 °C)
                                                                                                            If the sensor is not damaged,
                                                                                                            check the wiring between the
                                                                                                            sensor connector (wiring side)
                                                                                                            pin 1 and connector EDC pin
                                                                                                            C17,      between      sensor
                                                                                                            connector (wiring side) pin 2
                                                                                                            and connector EDC pin C34.
SENSORS — FUEL   04    06    SUPPLY BELOW THE Significant                power Positively short—circuited, Check the wiring between EDC pilot light winking.
PRESSURE                     RANGE            reduction                        ground short—circuited or sensor connector (wiring side)
                                                                               open—circuited rail pressure pin 1 and connector EDC pin
                                                                               sensor                       C20,      between      sensor
                                                                                                            connector (wiring side) pin 2
                                                                                                            and connector EDC pin C27,
                                                                                                            between sensor connector
                                                                                                            (wiring side) pin 3 and
                                                                                                            connector EDC pin C12.
                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              Check the sensor is all right (R =
                                                                                                              approx. 2,5 kOhm at 20 °C)
                                                                                                              If the sensor is not damaged,
                                                                                                              check the wiring between the
                                                                                                              sensor connector (wiring side)
                                                                                                              pin 1 and connector EDC pin
                                                                                                              C17, between sensor connector
                                                                                                              (wiring side) pin 2 and
                                                                                                              connector EDC pin C34.
                                                                                                                                                                  303
                                                                                                                                                                                304
   Component
                 DTC   FMI           Error type              Visible anomaly              Possible cause                Recommended repairs                       Notes
     failure
SENSORS — FUEL   04    08    VALUE    BELOW       THE Significant          power Positively short—circuited,       Check the wiring between EDC pilot light winking.
                                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                     LIMIT                    reduction                  ground short—circuited or         sensor connector (wiring side)
                                                                                 open—circuited rail pressure      pin 1 and connector EDC pin
                                                                                 sensor                            C20,     between       sensor
                                                                                                                   connector (wiring side) pin 2
                                                                                                                   and connector EDC pin C27,
                                                                                                                   between sensor connector
                                                                                                                   (wiring side) pin 3 and
                                                                                                                   connector EDC pin C12.
                                                                                                                  Replace the sensor after
                                                                                                                  having excluded all the other
                                                                                                                  possibilities.
SENSORS — OIL    05    00    NO      AVAILABLE No reaction noticeable on Oil temperature                   sensor Reading        of  measurable        EDC pilot light on.
TEMPERATURE                  SYMPTOM           behalf of the driver.     short—circuited                       or parameters: in presence of this
                                                                                                                                                If the oil temperature is too
SIGNAL                                                                   open—circuited                           error,      the   engine    oil
                                                                                                                                                low, a limitation of the
                                                                                                                  temperature will be fixed at
                                                                                                                                                engine rpm, depending
                                                                                                                  120 °C.
                                                                                                                                                upon the temperature itself,
                                                                                                                   Check that the sensor is all takes place immediately
                                                                                                                   right (R = approx. 2,5 kOhm after starting,        (engine
                                                                                                                   at 20 °C).                   protection strategy).
                                                                                                                   If the sensor is all right, check
                                                                                                                   the wiring between the sensor
                                                                                                                   connector (wiring side) pin 1
                                                                                                                   and connector EDC pin C19,
                                                                                                                   between sensor connector
                                                                                                                   (wiring side) pin 2 and
                                                                                                                   connector EDC pin C33.
                                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                    the wiring between the sensor
                                                                                                                    connector (wiring side) pin 1
                                                                                                                    and connector EDC pin C19,
                                                                                                                    between sensor connector
                                                                                                                    (wiring side) pin 2 and
                                                                                                                    connector EDC pin C33.
                                                                                                                                                                                 305
                                                                                                                                                                           306
  Component
                  DTC   FMI           Error type              Visible anomaly             Possible cause             Recommended repairs                Notes
    failure
ENGINE        —   05    01    SHORT CIRCUIT TO The engine runs at 3 (5) Electrical part of cylinder n°1 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      POSITIVE         cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                            It    is   possible    that
CYLINDER 1                                                              open—circuited.                 valve are properly tightened to
                                                                                                                                            immediately afterwards the
                                                                                                        the torque of 1,5 Nm.
                                                                                                                                            engine keeps on running at 2
                                                                                                        Check the injector solenoid (3) cylinders, because the
                                                                                                        valve continuity and resistance injectors are driven by two
                                                                                                        (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                            also the error 5.7 can be
                                                                                                        If the solenoid valve is all right,
                                                                                                                                            stored.
                                                                                                        check the wiring on the
                                                                                                        cylinder     head      between
                                                                                                        connector 1 pins 3 and 4 and
                                                                                                        electro—injector.
                                                                                                       If the head cylinder wiring is all
                                                                                                       right, check the engine cable
                                                                                                       between       cylinder       head
                                                                                                       connector 1 pin 3 and
                                                                                                       connector EDC pin A13,
                                                                                                       between       cylinder       head
                                                                                                       connector 1 pin 4 and
                                                                                                       connector EDC pin A9.
ENGINE        —   05    02    OPEN CIRCUIT OR The engine runs at 3 (5) Electrical part of cylinder n°1 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      SHORT CIRCUIT TO cylinders.              injector short—circuited or cables on the injector solenoid
                                                                                                                                           It    is   possible    that
CYLINDER 1                    GROUND                                   open—circuited.                 valve are properly tightened to
                                                                                                                                           immediately afterwards the
                                                                                                       the torque of 1,5 Nm.
                                                                                                                                           engine keeps on running at 2
                                                                                                       Check the injector solenoid (3) cylinders, because the
                                                                                                       valve continuity and resistance injectors are driven by two
                                                                                                       (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                           also the error 5.7 can be
                                                                                                       If the solenoid valve is all right,
                                                                                                                                           stored.
                                                                                                       check the wiring on the
                                                                                                       cylinder     head      between
                                                                                                       connector 1 pins 3 and 4 and
                                                                                                       electro—injector.
                                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                 between       cylinder     head
                                                                                                                 connector 1 pin 3 and
                                                                                                                 connector EDC pin A13,
                                                                                                                 between       cylinder     head
                                                                                                                 connector 1 pin 4 and
                                                                                                                 connector EDC pin A9.
                                                                                                                                                                               307
                                                                                                                                                                          308
  Component
                DTC   FMI         Error type              Visible anomaly           Possible cause                 Recommended repairs                      Notes
    failure
SENSORS — OIL   05    03    NO SIGNAL                No reaction noticeable on Oil temperature       sensor Reading     of     measurable        EDC pilot light on.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
TEMPERATURE                                          behalf of the driver.     short—circuited           or parameters: in presence of this
                                                                                                                                          If the oil temperature is too
SIGNAL                                                                         open—circuited               error,  the      engine     oil
                                                                                                                                          low, a limitation of the
                                                                                                            temperature will be fixed at
                                                                                                                                          engine rpm, depending
                                                                                                            120 °C.
                                                                                                                                          upon the temperature itself,
                                                                                                             Check that the sensor is all takes place immediately
                                                                                                             right (R = approx. 2,5 kOhm after starting,        (engine
                                                                                                             at 20 °C).                   protection strategy).
                                                                                                            If the sensor is all right, check
                                                                                                            the wiring between the sensor
                                                                                                            connector (wiring side) pin 1
                                                                                                            and connector EDC pin C19,
                                                                                                            between sensor connector
                                                                                                            (wiring side) pin 2 and
                                                                                                            connector EDC pin C33.
SENSORS — OIL   05    04    SIGNAL             NOT No reaction noticeable on Oil temperature         sensor Reading      of      measurable      EDC pilot light on.
TEMPERATURE                 PLAUSIBLE              behalf of the driver.     short—circuited             or parameters: in presence of this
                                                                                                                                          If the oil temperature is too
SIGNAL                                                                       open—circuited                 error,    the      engine      oil
                                                                                                                                          low, a limitation of the
                                                                                                            temperature will be fixed at
                                                                                                                                          engine rpm, depending
                                                                                                            120 °C.
                                                                                                                                          upon the temperature itself,
                                                                                                             Check that the sensor is all takes place immediately
                                                                                                             right (R = approx. 2,5 kOhm after starting,        (engine
                                                                                                             at 20 °C).                   protection strategy).
                                                                                                             If the sensor is all right, check
                                                                                                             the wiring between the sensor
                                                                                                             connector (wiring side) pin 1
                                                                                                             and connector EDC pin C19,
                                                                                                             between sensor connector
                                                                                                             (wiring side) pin 2 and
                                                                                                             connector EDC pin C33.
                                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                     the wiring between the sensor
                                                                                                                     connector (wiring side) pin 1
                                                                                                                     and connector EDC pin C19,
                                                                                                                     between sensor connector
                                                                                                                     (wiring side) pin 2 and
                                                                                                                     connector EDC pin C33.
                                                                                                                                                                                  309
                                                                                                                                                                                310
  Component
                  DTC   FMI           Error type              Visible anomaly             Possible cause                 Recommended repairs                      Notes
    failure
ENGINE        —   05    05    SUPPLY OVER THE The engine runs at 3 (5) Electrical part of cylinder n°1 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      NORMAL RANGE    cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                           It    is   possible    that
CYLINDER 1                                                             open—circuited.                 valve are properly tightened to
                                                                                                                                           immediately afterwards the
                                                                                                       the torque of 1,5 Nm.
                                                                                                                                           engine keeps on running at 2
                                                                                                       Check the injector solenoid (3) cylinders, because the
                                                                                                       valve continuity and resistance injectors are driven by two
                                                                                                       (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                           also the error 5.7 can be
                                                                                                       If the solenoid valve is all right,
                                                                                                                                           stored.
                                                                                                       check the wiring on the
                                                                                                       cylinder     head      between
                                                                                                       connector 1 pins 3 and 4 and
                                                                                                       electro—injector.
                                                                                                                  If the head cylinder wiring is all
                                                                                                                  right, check the engine cable
                                                                                                                  between       cylinder     head
                                                                                                                  connector 1 pin 3 and
                                                                                                                  connector EDC pin A13,
                                                                                                                  between       cylinder     head
                                                                                                                  connector 1 pin 4 and
                                                                                                                  connector EDC pin A9.
SENSORS — OIL     05    06    SUPPLY BELOW THE No reaction noticeable on Oil temperature                   sensor Reading      of     measurable       EDC pilot light on.
TEMPERATURE                   RANGE            behalf of the driver.     short—circuited                       or parameters: in presence of this
                                                                                                                                                If the oil temperature is too
SIGNAL                                                                   open—circuited                           error,    the      engine     oil
                                                                                                                                                low, a limitation of the
                                                                                                                  temperature will be fixed at
                                                                                                                                                engine rpm, depending
                                                                                                                  120 °C.
                                                                                                                                                upon the temperature itself,
                                                                                                                   Check that the sensor is all takes place immediately
                                                                                                                   right (R = approx. 2,5 kOhm after starting,        (engine
                                                                                                                   at 20 °C).                   protection strategy).
                                                                                                                   If the sensor is all right, check
                                                                                                                   the wiring between the sensor
                                                                                                                   connector (wiring side) pin 1
                                                                                                                   and connector EDC pin C19,
                                                                                                                   between sensor connector
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              connector EDC pin C33.
                                                                                                                                                                           311
                                                                                                                                                                            312
  Component
                  DTC   FMI           Error type              Visible anomaly              Possible cause            Recommended repairs                 Notes
    failure
ENGINE        —   06    00    NO      AVAILABLE The engine runs at 5 Electrical part of cylinder n°5 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      SYMPTOM           cylinders.           injector short—circuited or cables on the injector solenoid
                                                                                                                                         It    is    possible     that
CYLINDER 5                                                           open—circuited.                 valve are properly tightened to
                                                                                                                                         immediately afterwards the
                                                                                                     the torque of 1,5 Nm.
                                                                                                                                         engine keeps on running at 3
                                                                                                     Check the injector solenoid cylinders, because the
                                                                                                     valve continuity and resistance injectors are driven by two
                                                                                                     (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                         also error 5.8 can be stored
                                                                                                     If the solenoid valve is all right,
                                                                                                                                         .
                                                                                                     check the wiring on cylinder
                                                                                                     head between connector 3
                                                                                                     pins     1    and      2       and
                                                                                                     electro—injector.
                                                                                                         If the cylinder head wiring is all
                                                                                                         right, check the engine cable
                                                                                                         between the cylinder head
                                                                                                         connector 3 pin 1 and
                                                                                                         connector EDC pin A10,
                                                                                                         between        cylinder      head
                                                                                                         connector 3 pin 2 and
                                                                                                         connector EDC pin A15.
ENGINE        —   06    00    NO      AVAILABLE The engine runs at 3 (5) Electrical part of cylinder n°3 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      SYMPTOM           cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                             It    is   possible     that
CYLINDER 3                                                               open—circuited.                 valve are properly tightened to
                                                                                                                                             immediately afterwards the
                                                                                                         the torque of 1,5 Nm.
                                                                                                                                             engine keeps on running at 2
                                                                                                         Check the injector solenoid (3) cylinders, because the
                                                                                                         valve continuity and resistance injectors are driven by two
                                                                                                         (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                             also error 5.7 (6 cylinders)
                                                                                                         If the solenoid valve is all right,
                                                                                                                                             or 5.8 (4 cylinders) can be
                                                                                                         check the wiring on cylinder
                                                                                                                                             stored .
                                                                                                         head between connector 2
                                                                                                         pins      3    and      4      and
                                                                                                         electro—injector.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                            stored .
                                                                                                        head between connector 2
                                                                                                        pins      3    and      4      and
                                                                                                        electro—injector.
                                                                                                               If the cylinder head wiring is all
                                                                                                               right, check the engine cable
                                                                                                               between the cylinder head
                                                                                                               connector 2 pin 3 and
                                                                                                               connector EDC pin A12,
                                                                                                               between        cylinder    head
                                                                                                               connector 2 pin 4 and
                                                                                                               connector EDC pin A4.
                                                                                                                                                                           313
                                                                                                                                                                                314
  Component
                  DTC   FMI          Error type              Visible anomaly               Possible cause              Recommended repairs                  Notes
    failure
ENGINE        —   06    02    OPEN CIRCUIT OR The engine runs at 5 Electrical part of cylinder n°5 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      SHORT CIRCUIT TO cylinders.          injector short—circuited or cables on the injector solenoid
                                                                                                                                       It    is    possible     that
CYLINDER 5                    GROUND                               open—circuited.                 valve are properly tightened to
                                                                                                                                       immediately afterwards the
                                                                                                   the torque of 1,5 Nm.
                                                                                                                                       engine keeps on running at 3
                                                                                                   Check the injector solenoid cylinders, because the
                                                                                                   valve continuity and resistance injectors are driven by two
                                                                                                   (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                       also error 5.8 can be stored
                                                                                                   If the solenoid valve is all right,
                                                                                                                                       .
                                                                                                   check the wiring on cylinder
                                                                                                   head between connector 3
                                                                                                   pins     1    and      2       and
                                                                                                   electro—injector.
                                                                                                            If the cylinder head wiring is all
                                                                                                            right, check the engine cable
                                                                                                            between the cylinder head
                                                                                                            connector 3 pin 1 and
                                                                                                            connector EDC pin A10,
                                                                                                            between        cylinder      head
                                                                                                            connector 3 pin 2 and
                                                                                                            connector EDC pin A15.
ENGINE        —   06    03    NO SIGNAL                The engine runs at 5 Electrical part of cylinder n°5 Check that the nuts fixing the EDC pilot light on.
INJECTOR                                               cylinders.           injector short—circuited or cables on the injector solenoid
                                                                                                                                                It    is    possible     that
CYLINDER 5                                                                  open—circuited.                 valve are properly tightened to
                                                                                                                                                immediately afterwards the
                                                                                                            the torque of 1,5 Nm.
                                                                                                                                                engine keeps on running at 3
                                                                                                            Check the injector solenoid cylinders, because the
                                                                                                            valve continuity and resistance injectors are driven by two
                                                                                                            (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                also error 5.8 can be stored
                                                                                                            If the solenoid valve is all right,
                                                                                                                                                .
                                                                                                            check the wiring on cylinder
                                                                                                            head between connector 3
                                                                                                            pins      1    and      2      and
                                                                                                            electro—injector.
                                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                   head between connector 3
                                                                                                   pins      1    and      2      and
                                                                                                   electro—injector.
                                                                                                                 If the cylinder head wiring is all
                                                                                                                 right, check the engine cable
                                                                                                                 between the cylinder head
                                                                                                                 connector 3 pin 1 and
                                                                                                                 connector EDC pin A10,
                                                                                                                 between        cylinder    head
                                                                                                                 connector 3 pin 2 and
                                                                                                                 connector EDC pin A15.
                                                                                                                                                                               315
                                                                                                                                                                           316
  Component
                  DTC   FMI           Error type              Visible anomaly             Possible cause             Recommended repairs                Notes
    failure
ENGINE        —   06    06    SUPPLY BELOW THE The engine runs at 3 (5) Electrical part of cylinder n°1 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      RANGE            cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                            It    is   possible    that
CYLINDER 1                                                              open—circuited.                 valve are properly tightened to
                                                                                                                                            immediately afterwards the
                                                                                                        the torque of 1,5 Nm.
                                                                                                                                            engine keeps on running at 2
                                                                                                        Check the injector solenoid (3) cylinders, because the
                                                                                                        valve continuity and resistance injectors are driven by two
                                                                                                        (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                            also the error 5.7 can be
                                                                                                        If the solenoid valve is all right,
                                                                                                                                            stored.
                                                                                                        check the wiring on the
                                                                                                        cylinder     head      between
                                                                                                        connector 1 pins 3 and 4 and
                                                                                                        electro—injector.
                                                                                                    If the head cylinder wiring is all
                                                                                                    right, check the engine cable
                                                                                                    between       cylinder       head
                                                                                                    connector 1 pin 3 and
                                                                                                    connector EDC pin A13,
                                                                                                    between       cylinder       head
                                                                                                    connector 1 pin 4 and
                                                                                                    connector EDC pin A9.
ENGINE        —   06    06    SUPPLY BELOW THE The engine runs at 5 Electrical part of cylinder n°5 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      RANGE            cylinders.           injector short—circuited or cables on the injector solenoid
                                                                                                                                        It    is    possible     that
CYLINDER 5                                                          open—circuited.                 valve are properly tightened to
                                                                                                                                        immediately afterwards the
                                                                                                    the torque of 1,5 Nm.
                                                                                                                                        engine keeps on running at 3
                                                                                                    Check the injector solenoid cylinders, because the
                                                                                                    valve continuity and resistance injectors are driven by two
                                                                                                    (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                        also error 5.8 can be stored
                                                                                                    If the solenoid valve is all right,
                                                                                                                                        .
                                                                                                    check the wiring on cylinder
                                                                                                    head between connector 3
                                                                                                    pins     1    and      2       and
                                                                                                    electro—injector.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                         head between connector 3
                                                                                                         pins     1    and      2       and
                                                                                                         electro—injector.
                                                                                                                If the cylinder head wiring is all
                                                                                                                right, check the engine cable
                                                                                                                between the cylinder head
                                                                                                                connector 3 pin 1 and
                                                                                                                connector EDC pin A10,
                                                                                                                between        cylinder    head
                                                                                                                connector 3 pin 2 and
                                                                                                                connector EDC pin A15.
                                                                                                                                                                                317
                                                                                                                                                                                   318
  Component
                  DTC   FMI           Error type                Visible anomaly              Possible cause              Recommended repairs                   Notes
    failure
ENGINE        —   06    08    VALUE    BELOW       THE The engine runs at 3 (5) Electrical part of cylinder n°1 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      LIMIT                    cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                                    It    is   possible    that
CYLINDER 1                                                                      open—circuited.                 valve are properly tightened to
                                                                                                                                                    immediately afterwards the
                                                                                                                the torque of 1,5 Nm.
                                                                                                                                                    engine keeps on running at 2
                                                                                                                Check the injector solenoid (3) cylinders, because the
                                                                                                                valve continuity and resistance injectors are driven by two
                                                                                                                (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                    also the error 5.7 can be
                                                                                                                If the solenoid valve is all right,
                                                                                                                                                    stored.
                                                                                                                check the wiring on the
                                                                                                                cylinder     head      between
                                                                                                                connector 1 pins 3 and 4 and
                                                                                                                electro—injector.
                                                                                                            If the head cylinder wiring is all
                                                                                                            right, check the engine cable
                                                                                                            between       cylinder       head
                                                                                                            connector 1 pin 3 and
                                                                                                            connector EDC pin A13,
                                                                                                            between       cylinder       head
                                                                                                            connector 1 pin 4 and
                                                                                                            connector EDC pin A9.
ENGINE        —   06    08    VALUE    BELOW       THE The engine runs at 5 Electrical part of cylinder n°5 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      LIMIT                    cylinders.           injector short—circuited or cables on the injector solenoid
                                                                                                                                                It    is    possible     that
CYLINDER 5                                                                  open—circuited.                 valve are properly tightened to
                                                                                                                                                immediately afterwards the
                                                                                                            the torque of 1,5 Nm.
                                                                                                                                                engine keeps on running at 3
                                                                                                            Check the injector solenoid cylinders, because the
                                                                                                            valve continuity and resistance injectors are driven by two
                                                                                                            (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                also error 5.8 can be stored
                                                                                                            If the solenoid valve is all right,
                                                                                                                                                .
                                                                                                            check the wiring on cylinder
                                                                                                            head between connector 3
                                                                                                            pins     1    and      2       and
                                                                                                            electro—injector.
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                    head between connector 3
                                                                                                    pins      1    and      2      and
                                                                                                    electro—injector.
                                                                                                              If the cylinder head wiring is all
                                                                                                              right, check the engine cable
                                                                                                              between the cylinder head
                                                                                                              connector 3 pin 1 and
                                                                                                              connector EDC pin A10,
                                                                                                              between        cylinder    head
                                                                                                              connector 3 pin 2 and
                                                                                                              connector EDC pin A15.
                                                                                                                                                                         319
                                                                                                                                                                          320
  Component
                  DTC   FMI           Error type              Visible anomaly             Possible cause            Recommended repairs                Notes
    failure
ENGINE        —   07    02    OPEN CIRCUIT OR The engine runs at 3 (5) Electrical part of cylinder n°3 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      SHORT CIRCUIT TO cylinders.              injector short—circuited or cables on the injector solenoid
                                                                                                                                           It    is   possible     that
CYLINDER 3                    GROUND                                   open—circuited.                 valve are properly tightened to
                                                                                                                                           immediately afterwards the
                                                                                                       the torque of 1,5 Nm.
                                                                                                                                           engine keeps on running at 2
                                                                                                       Check the injector solenoid (3) cylinders, because the
                                                                                                       valve continuity and resistance injectors are driven by two
                                                                                                       (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                           also error 5.7 (6 cylinders)
                                                                                                       If the solenoid valve is all right,
                                                                                                                                           or 5.8 (4 cylinders) can be
                                                                                                       check the wiring on cylinder
                                                                                                                                           stored .
                                                                                                       head between connector 2
                                                                                                       pins     3    and      4       and
                                                                                                       electro—injector.
                                                                                                   If the cylinder head wiring is all
                                                                                                   right, check the engine cable
                                                                                                   between the cylinder head
                                                                                                   connector 2 pin 3 and
                                                                                                   connector EDC pin A12,
                                                                                                   between        cylinder      head
                                                                                                   connector 2 pin 4 and
                                                                                                   connector EDC pin A4.
ENGINE        —   07    02    OPEN CIRCUIT OR The engine runs at 5 Electrical part of cylinder n°6 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      SHORT CIRCUIT TO cylinders.          injector short—circuited or cables on the injector solenoid
                                                                                                                                       It    is    possible     that
CYLINDER 6                    GROUND                               open—circuited.                 valve are properly tightened to
                                                                                                                                       immediately afterwards the
                                                                                                   the torque of 1,5 Nm.
                                                                                                                                       engine keeps on running at 3
                                                                                                   Check the injector solenoid cylinders, because the
                                                                                                   valve continuity and resistance injectors are driven by two
                                                                                                   (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                       also error 5.8 can be stored
                                                                                                   If the solenoid valve is all right,
                                                                                                                                       .
                                                                                                   check the wiring on cylinder
                                                                                                   head between connector 3
                                                                                                   pins      1    and      2      and
                                                                                                   electro—injector.
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                     head between connector 3
                                                                                                     pins      1    and      2      and
                                                                                                     electro—injector.
                                                                                                           If the cylinder head wiring is all
                                                                                                           right, check the engine cable
                                                                                                           between the cylinder head
                                                                                                           connector 3 pin 1 and
                                                                                                           connector EDC pin A10,
                                                                                                           between        cylinder    head
                                                                                                           connector 3 pin 2 and
                                                                                                           connector EDC pin A15.
                                                                                                                                                                            321
                                                                                                                                                                                 322
  Component
                  DTC   FMI         Error type                 Visible anomaly              Possible cause              Recommended repairs                  Notes
    failure
ENGINE        —   07    04    SIGNAL             NOT The engine runs at 3 (5) Electrical part of cylinder n°3 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      PLAUSIBLE              cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                                  It    is   possible     that
CYLINDER 3                                                                    open—circuited.                 valve are properly tightened to
                                                                                                                                                  immediately afterwards the
                                                                                                              the torque of 1,5 Nm.
                                                                                                                                                  engine keeps on running at 2
                                                                                                              Check the injector solenoid (3) cylinders, because the
                                                                                                              valve continuity and resistance injectors are driven by two
                                                                                                              (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                  also error 5.7 (6 cylinders)
                                                                                                              If the solenoid valve is all right,
                                                                                                                                                  or 5.8 (4 cylinders) can be
                                                                                                              check the wiring on cylinder
                                                                                                                                                  stored .
                                                                                                              head between connector 2
                                                                                                              pins     3    and      4       and
                                                                                                              electro—injector.
                                                                                                          If the cylinder head wiring is all
                                                                                                          right, check the engine cable
                                                                                                          between the cylinder head
                                                                                                          connector 2 pin 3 and
                                                                                                          connector EDC pin A12,
                                                                                                          between        cylinder      head
                                                                                                          connector 2 pin 4 and
                                                                                                          connector EDC pin A4.
ENGINE        —   07    04    SIGNAL             NOT The engine runs at 5 Electrical part of cylinder n°6 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      PLAUSIBLE              cylinders.           injector short—circuited or cables on the injector solenoid
                                                                                                                                              It    is    possible     that
CYLINDER 6                                                                open—circuited.                 valve are properly tightened to
                                                                                                                                              immediately afterwards the
                                                                                                          the torque of 1,5 Nm.
                                                                                                                                              engine keeps on running at 3
                                                                                                          Check the injector solenoid cylinders, because the
                                                                                                          valve continuity and resistance injectors are driven by two
                                                                                                          (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                              also error 5.8 can be stored
                                                                                                          If the solenoid valve is all right,
                                                                                                                                              .
                                                                                                          check the wiring on cylinder
                                                                                                          head between connector 3
                                                                                                          pins      1    and      2      and
                                                                                                          electro—injector.
                                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
                                                                                                   head between connector 3
                                                                                                   pins      1    and      2      and
                                                                                                   electro—injector.
                                                                                                              If the cylinder head wiring is all
                                                                                                              right, check the engine cable
                                                                                                              between the cylinder head
                                                                                                              connector 3 pin 1 and
                                                                                                              connector EDC pin A10,
                                                                                                              between        cylinder    head
                                                                                                              connector 3 pin 2 and
                                                                                                              connector EDC pin A15.
                                                                                                                                                                          323
                                                                                                                                                                           324
  Component
                  DTC   FMI           Error type              Visible anomaly             Possible cause             Recommended repairs                Notes
    failure
ENGINE        —   07    06    SUPPLY BELOW THE The engine runs at 3 (5) Electrical part of cylinder n°3 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      RANGE            cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                            It    is   possible     that
CYLINDER 3                                                              open—circuited.                 valve are properly tightened to
                                                                                                                                            immediately afterwards the
                                                                                                        the torque of 1,5 Nm.
                                                                                                                                            engine keeps on running at 2
                                                                                                        Check the injector solenoid (3) cylinders, because the
                                                                                                        valve continuity and resistance injectors are driven by two
                                                                                                        (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                            also error 5.7 (6 cylinders)
                                                                                                        If the solenoid valve is all right,
                                                                                                                                            or 5.8 (4 cylinders) can be
                                                                                                        check the wiring on cylinder
                                                                                                                                            stored .
                                                                                                        head between connector 2
                                                                                                        pins     3    and      4       and
                                                                                                        electro—injector.
                                                                                                    If the cylinder head wiring is all
                                                                                                    right, check the engine cable
                                                                                                    between the cylinder head
                                                                                                    connector 2 pin 3 and
                                                                                                    connector EDC pin A12,
                                                                                                    between        cylinder      head
                                                                                                    connector 2 pin 4 and
                                                                                                    connector EDC pin A4.
ENGINE        —   07    06    SUPPLY BELOW THE The engine runs at 5 Electrical part of cylinder n°6 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      RANGE            cylinders.           injector short—circuited or cables on the injector solenoid
                                                                                                                                        It    is    possible     that
CYLINDER 6                                                          open—circuited.                 valve are properly tightened to
                                                                                                                                        immediately afterwards the
                                                                                                    the torque of 1,5 Nm.
                                                                                                                                        engine keeps on running at 3
                                                                                                    Check the injector solenoid cylinders, because the
                                                                                                    valve continuity and resistance injectors are driven by two
                                                                                                    (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                        also error 5.8 can be stored
                                                                                                    If the solenoid valve is all right,
                                                                                                                                        .
                                                                                                    check the wiring on cylinder
                                                                                                    head between connector 3
                                                                                                    pins      1    and      2      and
                                                                                                    electro—injector.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                         head between connector 3
                                                                                                         pins      1    and      2      and
                                                                                                         electro—injector.
                                                                                                                If the cylinder head wiring is all
                                                                                                                right, check the engine cable
                                                                                                                between the cylinder head
                                                                                                                connector 3 pin 1 and
                                                                                                                connector EDC pin A10,
                                                                                                                between        cylinder    head
                                                                                                                connector 3 pin 2 and
                                                                                                                connector EDC pin A15.
                                                                                                                                                                                325
                                                                                                                                                                                   326
  Component
                  DTC   FMI           Error type                Visible anomaly              Possible cause              Recommended repairs                   Notes
    failure
ENGINE        —   07    08    VALUE    BELOW       THE The engine runs at 3 (5) Electrical part of cylinder n°3 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      LIMIT                    cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                                    It    is   possible     that
CYLINDER 3                                                                      open—circuited.                 valve are properly tightened to
                                                                                                                                                    immediately afterwards the
                                                                                                                the torque of 1,5 Nm.
                                                                                                                                                    engine keeps on running at 2
                                                                                                                Check the injector solenoid (3) cylinders, because the
                                                                                                                valve continuity and resistance injectors are driven by two
                                                                                                                (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                    also error 5.7 (6 cylinders)
                                                                                                                If the solenoid valve is all right,
                                                                                                                                                    or 5.8 (4 cylinders) can be
                                                                                                                check the wiring on cylinder
                                                                                                                                                    stored .
                                                                                                                head between connector 2
                                                                                                                pins     3    and      4       and
                                                                                                                electro—injector.
                                                                                                         If the cylinder head wiring is all
                                                                                                         right, check the engine cable
                                                                                                         between the cylinder head
                                                                                                         connector 2 pin 3 and
                                                                                                         connector EDC pin A12,
                                                                                                         between        cylinder      head
                                                                                                         connector 2 pin 4 and
                                                                                                         connector EDC pin A4.
ENGINE        —   08    00    NO      AVAILABLE The engine runs at 3 (5) Electrical part of cylinder n°4 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      SYMPTOM           cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                             It    is   possible     that
CYLINDER 4                                                               open—circuited.                 valve are properly tightened to
                                                                                                                                             immediately afterwards the
                                                                                                         the torque of 1,5 Nm.
                                                                                                                                             engine keeps on running at 2
                                                                                                         Check the injector solenoid (3) cylinders, because the
                                                                                                         valve continuity and resistance injectors are driven by two
                                                                                                         (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                             also error 5.7 (4 cylinders)
                                                                                                         If the solenoid valve is all right,
                                                                                                                                             or 5.8 (6 cylinders) can be
                                                                                                         check the wiring on cylinder
                                                                                                                                             stored .
                                                                                                         head between connector 3
                                                                                                         pins      1    and      2      and
                                                                                                         electro—injector.
                                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                            or 5.8 (6 cylinders) can be
                                                                                                        check the wiring on cylinder
                                                                                                                                            stored .
                                                                                                        head between connector 3 pins
                                                                                                        1 and 2 and electro—injector.
                                                                                                                    If the cylinder head wiring is all
                                                                                                                    right, check the engine cable
                                                                                                                    between the cylinder head
                                                                                                                    connector 3 pin 1 and
                                                                                                                    connector EDC pin A10,
                                                                                                                    between        cylinder    head
                                                                                                                    connector 3 pin 2 and
                                                                                                                    connector EDC pin A15.
                                                                                                                                                                                       327
                                                                                                                                                                              328
  Component
                  DTC   FMI         Error type           Visible anomaly         Possible cause                  Recommended repairs                     Notes
    failure
ENGINE        —   08    01    SHORT CIRCUIT TO The engine runs at 3 (5) Cylinder     n°2          injector Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      POSITIVE         cylinders.               electrical                    part cables on the injector solenoid
                                                                                                                                               It    is   possible     that
CYLINDER 2                                                              short—circuited                 or valve are properly tightened to
                                                                                                                                               immediately afterwards the
                                                                        open—circuited.                    the torque of 1,5 Nm
                                                                                                                                               engine keeps on running at 2
                                                                                                           Check the continuity and (3) cylinders, because the
                                                                                                           resistance of the injector injectors are driven by two
                                                                                                           solenoid valve (R = approx. 0,5 power stages. In this case
                                                                                                           Ohm)                                also error 5.7 (6 cylinders)
                                                                                                                                               or 5.8 (4 cylinders) can be
                                                                                                           If the solenoid valve is all right,
                                                                                                                                               stored.
                                                                                                           check the wiring on cylinder
                                                                                                           head between connector 1 pins
                                                                                                           1 and 2 and electro—injector
                                                                                                           If the cylinder head wiring is all
                                                                                                           right, check the engine cable
                                                                                                           between        cylinder      head
                                                                                                           connector 1 pin 1 and
                                                                                                           connector EDC pin A3,
                                                                                                           between        cylinder      head
                                                                                                           connector 1 pin 2 and
                                                                                                           connector EDC pin A6.
ENGINE        —   08    02    OPEN CIRCUIT OR The engine runs at 3 (5) Cylinder     n°2           injector Check that the nuts fixing the EDC pilot light on.
INJECTOR                      SHORT CIRCUIT TO cylinders.              electrical                     part cables on the injector solenoid
                                                                                                                                               It    is   possible     that
CYLINDER 2                    GROUND                                   short—circuited                  or valve are properly tightened to
                                                                                                                                               immediately afterwards the
                                                                       open—circuited.                     the torque of 1,5 Nm
                                                                                                                                               engine keeps on running at 2
                                                                                                           Check the continuity and (3) cylinders, because the
                                                                                                           resistance of the injector injectors are driven by two
                                                                                                           solenoid valve (R = approx. 0,5 power stages. In this case
                                                                                                           Ohm)                                also error 5.7 (6 cylinders)
                                                                                                                                               or 5.8 (4 cylinders) can be
                                                                                                           If the solenoid valve is all right,
                                                                                                                                               stored.
                                                                                                           check the wiring on cylinder
                                                                                                           head between connector 1 pins
                                                                                                           1 and 2 and electro—injector
                                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                        stored.
                                                                                                                    check the wiring on cylinder
                                                                                                                    head between connector 1 pins
                                                                                                                    1 and 2 and electro—injector
                                                                                                                    If the cylinder head wiring is all
                                                                                                                    right, check the engine cable
                                                                                                                    between        cylinder    head
                                                                                                                    connector 1 pin 1 and
                                                                                                                    connector EDC pin A3,
                                                                                                                    between        cylinder    head
                                                                                                                    connector 1 pin 2 and
                                                                                                                    connector EDC pin A6.
                                                                                                                                                                                       329
                                                                                                                                                                                         330
  Component
                  DTC   FMI         Error type               Visible anomaly                Possible cause                  Recommended repairs                     Notes
    failure
ENGINE        —   08    03    NO SIGNAL                The engine runs at 3 (5) Electrical part of cylinder n°4 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                                               cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                                    It    is   possible     that
CYLINDER 4                                                                      open—circuited.                 valve are properly tightened to
                                                                                                                                                    immediately afterwards the
                                                                                                                the torque of 1,5 Nm.
                                                                                                                                                    engine keeps on running at 2
                                                                                                                Check the injector solenoid (3) cylinders, because the
                                                                                                                valve continuity and resistance injectors are driven by two
                                                                                                                (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                If the solenoid valve is all right, also error 5.7 (4 cylinders)
                                                                                                                check the wiring on cylinder or 5.8 (6 cylinders) can be
                                                                                                                head between connector 3 pins stored .
                                                                                                                1 and 2 and electro—injector.
                                                                                                                      If the cylinder head wiring is all
                                                                                                                      right, check the engine cable
                                                                                                                      between the cylinder head
                                                                                                                      connector 3 pin 1 and
                                                                                                                      connector EDC pin A10,
                                                                                                                      between        cylinder      head
                                                                                                                      connector 3 pin 2 and
                                                                                                                      connector EDC pin A15.
ENGINE        —   08    04    SIGNAL             NOT The engine runs at 3 (5) Cylinder     n°2               injector Check that the nuts fixing the EDC pilot light on.
INJECTOR                      PLAUSIBLE              cylinders.               electrical                         part cables on the injector solenoid
                                                                                                                                                          It    is   possible     that
CYLINDER 2                                                                    short—circuited                      or valve are properly tightened to
                                                                                                                                                          immediately afterwards the
                                                                              open—circuited.                         the torque of 1,5 Nm
                                                                                                                                                          engine keeps on running at 2
                                                                                                                      Check the continuity and (3) cylinders, because the
                                                                                                                      resistance of the injector injectors are driven by two
                                                                                                                      solenoid valve (R = approx. 0,5 power stages. In this case
                                                                                                                      Ohm)                                also error 5.7 (6 cylinders)
                                                                                                                                                          or 5.8 (4 cylinders) can be
                                                                                                                      If the solenoid valve is all right,
                                                                                                                                                          stored.
                                                                                                                      check the wiring on cylinder
                                                                                                                      head between connector 1 pins
                                                                                                                      1 and 2 and electro—injector
                                                                                                                      If the cylinder head wiring is all
                                                                                                                      right, check the engine cable
                                                                                                                      between        cylinder    head
                                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                               stored.
                                                                                                           check the wiring on cylinder
                                                                                                           head between connector 1 pins
                                                                                                           1 and 2 and electro—injector
                                                                                                           If the cylinder head wiring is all
                                                                                                           right, check the engine cable
                                                                                                           between        cylinder    head
                                                                                                           connector 1 pin 1 and
                                                                                                           connector EDC pin A3,
                                                                                                           between        cylinder    head
                                                                                                           connector 1 pin 2 and
                                                                                                           connector EDC pin A6.
                                                                                                                                                                              331
                                                                                                                                                                                         332
  Component
                  DTC   FMI           Error type               Visible anomaly              Possible cause                  Recommended repairs                     Notes
    failure
ENGINE        —   08    07    VALUE OVER           THE The engine runs at 3 (5) Cylinder     n°2             injector Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      NORMAL LIMIT             cylinders.               electrical                       part cables on the injector solenoid
                                                                                                                                                          It    is   possible     that
CYLINDER 2                                                                      short—circuited                    or valve are properly tightened to
                                                                                                                                                          immediately afterwards the
                                                                                open—circuited.                       the torque of 1,5 Nm
                                                                                                                                                          engine keeps on running at 2
                                                                                                                      Check the continuity and (3) cylinders, because the
                                                                                                                      resistance of the injector injectors are driven by two
                                                                                                                      solenoid valve (R = approx. 0,5 power stages. In this case
                                                                                                                      Ohm)                                also error 5.7 (6 cylinders)
                                                                                                                                                          or 5.8 (4 cylinders) can be
                                                                                                                      If the solenoid valve is all right,
                                                                                                                                                          stored.
                                                                                                                      check the wiring on cylinder
                                                                                                                      head between connector 1 pins
                                                                                                                      1 and 2 and electro—injector
                                                                                                            If the cylinder head wiring is all
                                                                                                            right, check the engine cable
                                                                                                            between        cylinder      head
                                                                                                            connector 1 pin 1 and
                                                                                                            connector EDC pin A3,
                                                                                                            between        cylinder      head
                                                                                                            connector 1 pin 2 and
                                                                                                            connector EDC pin A6.
ENGINE        —   08    08    VALUE    BELOW       THE The engine runs at 5 Electrical part of cylinder n°6 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      LIMIT                    cylinders.           injector short—circuited or cables on the injector solenoid
                                                                                                                                                It    is    possible     that
CYLINDER 6                                                                  open—circuited.                 valve are properly tightened to
                                                                                                                                                immediately afterwards the
                                                                                                            the torque of 1,5 Nm.
                                                                                                                                                engine keeps on running at 3
                                                                                                            Check the injector solenoid cylinders, because the
                                                                                                            valve continuity and resistance injectors are driven by two
                                                                                                            (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                also error 5.8 can be stored
                                                                                                            If the solenoid valve is all right,
                                                                                                                                                .
                                                                                                            check the wiring on cylinder
                                                                                                            head between connector 3
                                                                                                            pins     1     and      2      and
                                                                                                            electro—injector.
                                                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                                      333
                                                                                                                                                                                   334
  Component
                  DTC   FMI           Error type                 Visible anomaly              Possible cause              Recommended repairs                  Notes
    failure
ENGINE        —   09    04    SIGNAL               NOT The engine runs at 3 (5) Electrical part of cylinder n°4 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      PLAUSIBLE                cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                                    It    is   possible     that
CYLINDER 4                                                                      open—circuited.                 valve are properly tightened to
                                                                                                                                                    immediately afterwards the
                                                                                                                the torque of 1,5 Nm.
                                                                                                                                                    engine keeps on running at 2
                                                                                                                Check the injector solenoid (3) cylinders, because the
                                                                                                                valve continuity and resistance injectors are driven by two
                                                                                                                (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                    also error 5.7 (4 cylinders)
                                                                                                                If the solenoid valve is all right,
                                                                                                                                                    or 5.8 (6 cylinders) can be
                                                                                                                check the wiring on cylinder
                                                                                                                                                    stored .
                                                                                                                head between connector 3
                                                                                                                pins     1    and      2       and
                                                                                                                electro—injector.
                                                                                                       If the cylinder head wiring is all
                                                                                                       right, check the engine cable
                                                                                                       between the cylinder head
                                                                                                       connector 3 pin 1 and
                                                                                                       connector EDC pin A10,
                                                                                                       between        cylinder      head
                                                                                                       connector 3 pin 2 and
                                                                                                       connector EDC pin A15.
ENGINE        —   09    05    SUPPLY OVER THE The engine runs at 3 (5) Electrical part of cylinder n°4 Check that the nuts fixing the EDC pilot light on.
INJECTOR                      NORMAL RANGE    cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                           It    is   possible     that
CYLINDER 4                                                             open—circuited.                 valve are properly tightened to
                                                                                                                                           immediately afterwards the
                                                                                                       the torque of 1,5 Nm.
                                                                                                                                           engine keeps on running at 2
                                                                                                       Check the injector solenoid (3) cylinders, because the
                                                                                                       valve continuity and resistance injectors are driven by two
                                                                                                       (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                           also error 5.7 (4 cylinders)
                                                                                                       If the solenoid valve is all right,
                                                                                                                                           or 5.8 (6 cylinders) can be
                                                                                                       check the wiring on cylinder
                                                                                                                                           stored .
                                                                                                       head between connector 3
                                                                                                       pins      1    and      2      and
                                                                                                       electro—injector.
                                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                    stored .
                                                                                                                head between connector 3
                                                                                                                pins      1    and      2      and
                                                                                                                electro—injector.
                                                                                                                   If the cylinder head wiring is all
                                                                                                                   right, check the engine cable
                                                                                                                   between the cylinder head
                                                                                                                   connector 3 pin 1 and
                                                                                                                   connector EDC pin A10,
                                                                                                                   between        cylinder    head
                                                                                                                   connector 3 pin 2 and
                                                                                                                   connector EDC pin A15.
                                                                                                                                                                                   335
                                                                                                                                                                                     336
  Component
                  DTC   FMI           Error type                Visible anomaly              Possible cause              Recommended repairs                   Notes
    failure
ENGINE        —   09    08    VALUE    BELOW       THE The engine runs at 3 (5) Electrical part of cylinder n°4 Check that the nuts fixing the EDC pilot light on.
                                                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
INJECTOR                      LIMIT                    cylinders.               injector short—circuited or cables on the injector solenoid
                                                                                                                                                    It    is   possible     that
CYLINDER 4                                                                      open—circuited.                 valve are properly tightened to
                                                                                                                                                    immediately afterwards the
                                                                                                                the torque of 1,5 Nm.
                                                                                                                                                    engine keeps on running at 2
                                                                                                                Check the injector solenoid (3) cylinders, because the
                                                                                                                valve continuity and resistance injectors are driven by two
                                                                                                                (R = approx. 0,5 Ohm).              power stages. In this case
                                                                                                                                                    also error 5.7 (4 cylinders)
                                                                                                                If the solenoid valve is all right,
                                                                                                                                                    or 5.8 (6 cylinders) can be
                                                                                                                check the wiring on cylinder
                                                                                                                                                    stored .
                                                                                                                head between connector 3
                                                                                                                pins     1    and      2       and
                                                                                                                electro—injector.
                                                                                                         If the cylinder head wiring is all
                                                                                                         right, check the engine cable
                                                                                                         between the cylinder head
                                                                                                         connector 3 pin 1 and
                                                                                                         connector EDC pin A10,
                                                                                                         between        cylinder    head
                                                                                                         connector 3 pin 2 and
                                                                                                         connector EDC pin A15.
SENSORS     —     0A    00    NO      AVAILABLE Engine revolutions drop to Brake/accelerator       pedal Parameters reading on Modus               EDC pilot light off.
ACCELERATOR                   SYMPTOM           minimum speed              feasibility, or simultaneous IWT—IT2000, check that
                                                                                                                                                   This error is stored only if
PEDAL/BRAKE                                                                activation of brake and accelerator                     pedal
                                                                                                                                                   the brake and accelerator
PEDAL SUSPECT                                                              accelerator                   potentiometer signal is reset
                                                                                                                                                   signals are not damaged.
                                                                                                         upon release, otherwise it is
                                                                                                         possible that the driver has              If the brake is operated while
                                                                                                         pressed brake and accelerator             the accelerator pedal is
                                                                                                         together                                  being pressed, the engine
                                                                                                                                                   runs to idle until the brake is
                                                                                                                                                   released, so that the vehicle
                                                                                                                                                   can be stopped even if the
                                                                                                                                                   accelerator pedal should
                                                                                                                                                   block in an intermediate
                                                                                                                                                   position. On the contrary it
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                   block in an intermediate
                                                                                                                                   position. On the contrary it
                                                                                                                                   is possible to accelerate
                                                                                                                                   while the brake pedal is
                                                                                                                                   pressed        without     the
                                                                                                                                   intervention of any safety
                                                                                                                                   strategies.
                                                                                                                                                                         337
                                                                                                                                                                                338
  Component
                DTC   FMI         Error type                Visible anomaly              Possible cause               Recommended repairs                    Notes
    failure
SENSORS     —   0A    03    NO SIGNAL                 Engine revolutions drop to Brake/accelerator       pedal   Parameters reading on Modus     EDC pilot light off.
                                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                                           minimum speed              feasibility, or simultaneous    IWT—IT2000, check that
                                                                                                                                                 This error is stored only if
PEDAL/BRAKE                                                                      activation of brake and         accelerator             pedal
                                                                                                                                                 the brake and accelerator
PEDAL SUSPECT                                                                    accelerator                     potentiometer signal is reset
                                                                                                                                                 signals are not damaged.
                                                                                                                 upon release, otherwise it is
                                                                                                                 possible that the driver has
                                                                                                                                          If the brake is operated while
                                                                                                                 pressed brake and accelerator
                                                                                                                                          the accelerator pedal is
                                                                                                                 together                 being pressed, the engine
                                                                                                                                          runs to idle until the brake is
                                                                                                                                          released, so that the vehicle
                                                                                                                                          can be stopped even if the
                                                                                                                                          accelerator pedal should
                                                                                                                                          block in an intermediate
                                                                                                                                          position. On the contrary it
                                                                                                                                          is possible to accelerate
                                                                                                                                          while the brake pedal is
                                                                                                                                          pressed        without     the
                                                                                                                                          intervention of any safety
                                                                                                                                          strategies.
SENSORS     —   0A    04    SIGNAL             NOT Engine revolutions drop to Brake/accelerator       pedal Parameters reading on Modus EDC pilot light off.
ACCELERATOR                 PLAUSIBLE              minimum speed              feasibility, or simultaneous IWT—IT2000, check that
                                                                                                                                          This error is stored only if
PEDAL/BRAKE                                                                   activation of brake and accelerator                   pedal
                                                                                                                                          the brake and accelerator
PEDAL SUSPECT                                                                 accelerator                   potentiometer signal is reset
                                                                                                                                          signals are not damaged.
                                                                                                            upon release, otherwise it is
                                                                                                            possible that the driver has If the brake is operated while
                                                                                                            pressed brake and accelerator the accelerator pedal is
                                                                                                            together                      being pressed, the engine
                                                                                                                                          runs to idle until the brake is
                                                                                                                                          released, so that the vehicle
                                                                                                                                          can be stopped even if the
                                                                                                                                          accelerator pedal should
                                                                                                                                          block in an intermediate
                                                                                                                                          position. On the contrary it
                                                                                                                                          is possible to accelerate
                                                                                                                                          while the brake pedal is
                                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                    block in an intermediate
                                                                                                                                    position. On the contrary it
                                                                                                                                    is possible to accelerate
                                                                                                                                    while the brake pedal is
                                                                                                                                    pressed        without     the
                                                                                                                                    intervention of any safety
                                                                                                                                    strategies.
                                                                                                                                                                          339
                                                                                                                                                                               340
  Component
                DTC   FMI           Error type               Visible anomaly              Possible cause             Recommended repairs                    Notes
    failure
SENSORS     —   0A    07    VALUE OVER           THE Engine revolutions drop to Brake/accelerator       pedal   Parameters reading on Modus     EDC pilot light off.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
ACCELERATOR                 NORMAL LIMIT             minimum speed              feasibility, or simultaneous    IWT—IT2000, check that
                                                                                                                                                This error is stored only if
PEDAL/BRAKE                                                                     activation of brake and         accelerator             pedal
                                                                                                                                                the brake and accelerator
PEDAL SUSPECT                                                                   accelerator                     potentiometer signal is reset
                                                                                                                                                signals are not damaged.
                                                                                                                upon release, otherwise it is
                                                                                                                possible that the driver hasIf the brake is operated while
                                                                                                                pressed brake and accelerator
                                                                                                                                            the accelerator pedal is
                                                                                                                together                    being pressed, the engine
                                                                                                                                            runs to idle until the brake is
                                                                                                                                            released, so that the vehicle
                                                                                                                                            can be stopped even if the
                                                                                                                                            accelerator pedal should
                                                                                                                                            block in an intermediate
                                                                                                                                            position. On the contrary it
                                                                                                                                            is possible to accelerate
                                                                                                                                            while the brake pedal is
                                                                                                                                            pressed        without     the
                                                                                                                                            intervention of any safety
                                                                                                                                            strategies.
SENSORS     —   0A    08    VALUE    BELOW       THE Engine revolutions drop to Brake/accelerator       pedal Parameters reading on Modus EDC pilot light off.
ACCELERATOR                 LIMIT                    minimum speed              feasibility, or simultaneous IWT—IT2000, check that
                                                                                                                                            This error is stored only if
PEDAL/BRAKE                                                                     activation of brake and accelerator                   pedal
                                                                                                                                            the brake and accelerator
PEDAL SUSPECT                                                                   accelerator                   potentiometer signal is reset
                                                                                                                                            signals are not damaged.
                                                                                                              upon release, otherwise it is
                                                                                                              possible that the driver has If the brake is operated while
                                                                                                              pressed brake and accelerator the accelerator pedal is
                                                                                                              together                      being pressed, the engine
                                                                                                                                            runs to idle until the brake is
                                                                                                                                            released, so that the vehicle
                                                                                                                                            can be stopped even if the
                                                                                                                                            accelerator pedal should
                                                                                                                                            block in an intermediate
                                                                                                                                            position. On the contrary it
                                                                                                                                            is possible to accelerate
                                                                                                                                            while the brake pedal is
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                           connector (wiring side) pin 3
                                                                                                                                           turbocompressor.
                                                                                                           and connector EDC pin C10,
                                                                                                           between sensor connector
                                                                                                           (wiring side) pin 4 and
                                                                                                           connector EDC pin C28.
                                                                                                                                                                            341
                                                                                                                                                                                 342
  Component
                  DTC   FMI          Error type               Visible anomaly             Possible cause             Recommended repairs                    Notes
    failure
SENSORS       —   0B    03    NO SIGNAL                 No reaction noticeable on Positively short—circuited,   Reading     of    measurable    EDC pilot light on.
                                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
BOOST                                                   behalf of the driver.     ground—short—circuited or     parameters by means of the
                                                                                                                                                The pressure sensor is
PRESSURE                                                                          open—circuited air pressure   diagnostic instrument: in
                                                        Power reduction (only in                                                                incorporated      in       the
                                                                                  sensor on suction manifold,   presence of this error, the
                                                        the software version for                                                                temperature one. If the
                                                                                  or sensor supplied by a       overcharging pressure will be
                                                        engine with single—stage                                                                electrical part is all right,
                                                                                  current that exceeds the      fixed at 1600 mbar. Check the
                                                        overpressure valve).                                                                    check the functionality of the
                                                                                  minimum or maximum limit      wiring between the sensor
                                                                                                                                                wastegate valve of the
                                                                                                                connector (wiring side) pin 3
                                                                                                                                                turbocompressor.
                                                                                                                and connector EDC pin C10,
                                                                                                                between sensor connector
                                                                                                                (wiring side) pin 4 and
                                                                                                                connector EDC pin C28.
SENSORS       —   0B    04    SIGNAL              NOT No reaction noticeable on Positively short—circuited,     Reading     of    measurable    EDC pilot light on.
BOOST                         PLAUSIBLE               behalf of the driver.     ground—short—circuited or       parameters by means of the
                                                                                                                                                The pressure sensor is
PRESSURE                                                                        open—circuited air pressure     diagnostic instrument: in
                                                      Power reduction (only in                                                                  incorporated      in       the
                                                                                sensor on suction manifold,     presence of this error, the
                                                      the software version for                                                                  temperature one. If the
                                                                                or sensor supplied by a         overcharging pressure will be
                                                      engine with single—stage                                                                  electrical part is all right,
                                                                                current that exceeds the        fixed at 1600 mbar. Check the
                                                      overpressure valve).                                                                      check the functionality of the
                                                                                minimum or maximum limit        wiring between the sensor
                                                                                                                                                wastegate valve of the
                                                                                                                connector (wiring side) pin 3
                                                                                                                                                turbocompressor.
                                                                                                                and connector EDC pin C10,
                                                                                                                between sensor connector
                                                                                                                (wiring side) pin 4 and
                                                                                                                connector EDC pin C28.
SENSORS       —   0B    05    SUPPLY OVER THE No reaction noticeable on Positively short—circuited,             Reading     of    measurable    EDC pilot light on.
BOOST                         NORMAL RANGE    behalf of the driver.     ground—short—circuited or               parameters by means of the
                                                                                                                                                The pressure sensor is
PRESSURE                                                                open—circuited air pressure             diagnostic instrument: in
                                              Power reduction (only in                                                                          incorporated      in       the
                                                                        sensor on suction manifold,             presence of this error, the
                                              the software version for                                                                          temperature one. If the
                                                                        or sensor supplied by a                 overcharging pressure will be
                                              engine with single—stage                                                                          electrical part is all right,
                                                                        current that exceeds the                fixed at 1600 mbar. Check the
                                              overpressure valve).                                                                              check the functionality of the
                                                                        minimum or maximum limit                wiring between the sensor
                                                                                                                                                wastegate valve of the
                                                                                                                connector (wiring side) pin 3
                                                                                                                                                turbocompressor.
                                                                                                                and connector EDC pin C10,
                                                                                                                between sensor connector
                                                                                                                (wiring side) pin 4 and
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                               connector (wiring side) pin 3
                                                                                                                                               turbocompressor.
                                                                                                               and connector EDC pin C10,
                                                                                                               between sensor connector
                                                                                                               (wiring side) pin 4 and
                                                                                                               connector EDC pin C28.
                                                                                                                                                                                343
                                                                                                                                                                    344
  Component
               DTC   FMI          Error type              Visible anomaly            Possible cause            Recommended repairs               Notes
    failure
SENSORS    —   0F    00    NO        AVAILABLE The engine doesn’t start. Drive shaft sensor: lack of Check the cleaning and the EDC pilot light on.
                                                                                                                                                                     ELECTRIC/ELECTRONIC SYSTEM
CRANKSHAFT                 SYMPTOM             Light power reduction.    signal or unfeasible signal proper fastening of the sensor.
                                                                                                                                        Error       6.1 is always
                                                                                                     Check the phonic wheel is not combined with 6.3
                                                                                                     damaged and verify its cleaning.
                                                                                                                                        The engine doesn’t start
                                                                                                     Check the sensor is all right (R = because after a few
                                                                                                     approx. 920 Ohm).                  revolutions the gearcase
                                                                                                                                        disables the starter.
                                                                                                     If the sensor is not damaged,
                                                                                                     check the wiring between the
                                                                                                     sensor connector (wiring side)
                                                                                                     pin 1 and connector EDC pin
                                                                                                     C25, between sensor connector
                                                                                                     (wiring side) pin 2 and
                                                                                                     connector EDC pin C24.
SENSORS    —   0F    03    NO SIGNAL           The engine doesn’t start. Drive shaft sensor: lack of Check the cleaning and the EDC pilot light on.
CRANKSHAFT                                     Light power reduction.    signal or unfeasible signal proper fastening of the sensor.
                                                                                                                                        Error       6.1 is always
                                                                                                     Check the phonic wheel is not combined with 6.3
                                                                                                     damaged and verify its cleaning.
                                                                                                                                        The engine doesn’t start
                                                                                                     Check the sensor is all right (R = because after a few
                                                                                                     approx. 920 Ohm).                  revolutions the gearcase
                                                                                                     If the sensor is not damaged, disables the starter.
                                                                                                     check the wiring between the
                                                                                                     sensor connector (wiring side)
                                                                                                     pin 1 and connector EDC pin
                                                                                                     C25, between sensor connector
                                                                                                     (wiring side) pin 2 and
                                                                                                     connector EDC pin C24.
SENSORS    —   0F    04    SIGNAL         NOT The engine doesn’t start. Drive shaft sensor: lack of Check the cleaning and the EDC pilot light on.
CRANKSHAFT                 PLAUSIBLE           Light power reduction.    signal or unfeasible signal proper fastening of the sensor.
                                                                                                                                        Error       6.1 is always
                                                                                                     Check the phonic wheel is not combined with 6.3
                                                                                                     damaged and verify its cleaning.
                                                                                                                                        The engine doesn’t start
                                                                                                     Check the sensor is all right (R = because after a few
                                                                                                     approx. 920 Ohm).                  revolutions the gearcase
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                       of smoke at the exhaust                                  damaged (R = approx. 890
                                                       during starting.                                         Ohm).
                                                                                                             If the sensor is all right, check
                                                                                                             the wiring between the sensor
                                                                                                             connector (wiring side) pin 1
                                                                                                             and connector EDC pin C23,
                                                                                                             between sensor connector
                                                                                                             (wiring side) pin 2 and
                                                                                                             connector EDC pin C30.
                                                                                                                                                                         345
                                                                                                                                                                                           346
   Component
                   DTC   FMI           Error type                Visible anomaly             Possible cause              Recommended repairs                           Notes
     failure
SENSORS        —   10    04    SIGNAL               NOT Difficult starting in every Distribution shaft sensor:     Check the correct sensor fastening EDC pilot light on.
                                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
CAMSHAFT                       PLAUSIBLE                condition.                  lack of signal or unfeasible   and its cleaning.
                                                                                                                   Check that the sensor is not This         error is always
                                                                                    signal                         damaged (R = approx. 890 Ohm). combined with 6.3.
                                                        False injections and grade
                                                        of smoke at the exhaust
                                                                                                                   If the sensor is all right, check the
                                                        during starting.                                           wiring between the sensor
                                                                                                                   connector (wiring side) pin 1 and
                                                                                                                   connector EDC pin C23, between
                                                                                                                   sensor connector (wiring side) pin 2
                                                                                                                   and connector EDC pin C30.
SENSORS    —       10    06    NOISY     SIGNAL      ON The engine doesn’t start. Drive shaft sensor: lack of      Check the cleaning and the proper        EDC pilot light on.
CRANKSHAFT                     WUP 2                    Light power reduction.    signal or unfeasible signal      fastening of the sensor.
                                                                                                                   Check the phonic wheel is not            Error    6.1 is       always
                                                                                                                   damaged and verify its cleaning.         combined with 6.3
                                                                                                                   Check the sensor is all right (R =
                                                                                                                   approx. 920 Ohm).                        The engine doesn’t start
                                                                                                                   If the sensor is not damaged, check      because after a few
                                                                                                                   the wiring between the sensor            revolutions the gearcase
                                                                                                                   connector (wiring side) pin 1 and
                                                                                                                   connector EDC pin C25, between           disables the starter.
                                                                                                                   sensor connector (wiring side) pin 2
                                                                                                                   and connector EDC pin C24.
SENSORS      —     11    00    NO      AVAILABLE The speedometer doesn’t             Vehicle speed signal over     Reading of the parameters                EDC pilot light on. Error
VEHICLE SPEED                  SYMPTOM           work (if the failure is             the maximum threshold or      measurable with the diagnostic           detected only with running
                                                                                                                   instrument: in presence of this error,
                                                 between the sensor and              below the minimum one         the vehicle speed read on the            vehicle, and only in case of
                                                 the speedometer)                    (likely short circuit).       gearcase will be fixed at 5 km/h.        short circuit.
                                                                                                                   Failure memory reading by means of
                                                           Cruise Control doesn’t                                  the diagnostic instrument: in case of    If the signal is missing, no
                                                           work.                                                   intermittent error, check the            error is detected because
                                                                                                                   connectors for a possible uncertain      according to the gearcase
                                                                                                                   contact.                                 the vehicle stands still.
                                                                                                                   If the error occurs, carry out the
                                                                                                                   following checks:
                                                                                                                   If the tachograph doesn’t work,
                                                                                                                   check the wiring and the
                                                                                                                   sensor—tachograph connections; If
                                                                                                                   the tachograph works but it displays
                                                                                                                   an unreasonable speed, check the
                                                                                                                   proper assembly, the cleaning and
                                                                                                                   the sensor air gap;
                                                                                                                   In case the defect persists, check the
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                        347
                                                                                                                                                                        348
   Component
                 DTC   FMI         Error type         Visible anomaly            Possible cause            Recommended repairs                      Notes
     failure
SENSORS      —   11    02    OPEN CIRCUIT OR The speedometer doesn’t      Vehicle speed signal over   Reading of the parameters          EDC pilot light on. Error
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
VEHICLE SPEED                SHORT CIRCUIT TO work (if the failure is     the maximum threshold or    measurable       with     the      detected only with running
                             GROUND           between the sensor and      below the minimum one       diagnostic instrument: in          vehicle, and only in case of
                                              the speedometer)            (likely short circuit).     presence of this error, the        short circuit.
                                                                                                      vehicle speed read on the
                                                 Cruise Control doesn’t                                                                  If the signal is missing, no
                                                                                                      gearcase will be fixed at 5
                                                 work.                                                                                   error is detected because
                                                                                                      km/h. Failure memory reading
                                                                                                                                         according to the gearcase
                                                                                                      by means of the diagnostic
                                                                                                                                         the vehicle stands still.
                                                                                                      instrument: in case of
                                                                                                      intermittent error, check the
                                                                                                      connectors for a possible
                                                                                                      uncertain contact.
                                                                                                      If the error occurs, carry out
                                                                                                      the following checks:
                                                                                                      If the tachograph doesn’t
                                                                                                      work, check the wiring and the
                                                                                                      sensor—tachograph
                                                                                                      connections; If the tachograph
                                                                                                      works but it displays an
                                                                                                      unreasonable speed, check
                                                                                                      the proper assembly, the
                                                                                                      cleaning and the sensor air gap;
                                                                                                      In case the defect persists,
                                                                                                      check the wiring and the
                                                                                                      connections between the
                                                                                                      tachograph connector (wiring
                                                                                                      side) and the connector EDC
                                                                                                      pin B74, passing through
                                                                                                      sleeve B pin 13.
                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                       349
                                                                                                                                                                             350
   Component
                 DTC   FMI         Error type              Visible anomaly            Possible cause            Recommended repairs                      Notes
     failure
SENSORS      —   11    04    SIGNAL             NOT The speedometer doesn’t    Vehicle speed signal over   Reading of the parameters          EDC pilot light on. Error
                                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
VEHICLE SPEED                PLAUSIBLE              work (if the failure is    the maximum threshold or    measurable       with     the      detected only with running
                                                    between the sensor and     below the minimum one       diagnostic instrument: in          vehicle, and only in case of
                                                    the speedometer)           (likely short circuit).     presence of this error, the        short circuit.
                                                                                                           vehicle speed read on the
                                                      Cruise Control doesn’t                                                                  If the signal is missing, no
                                                                                                           gearcase will be fixed at 5
                                                      work.                                                                                   error is detected because
                                                                                                           km/h. Failure memory reading
                                                                                                                                              according to the gearcase
                                                                                                           by means of the diagnostic
                                                                                                                                              the vehicle stands still.
                                                                                                           instrument: in case of
                                                                                                           intermittent error, check the
                                                                                                           connectors for a possible
                                                                                                           uncertain contact.
                                                                                                           If the error occurs, carry out
                                                                                                           the following checks:
                                                                                                           If the tachograph doesn’t
                                                                                                           work, check the wiring and the
                                                                                                           sensor—tachograph
                                                                                                           connections; If the tachograph
                                                                                                           works but it displays an
                                                                                                           unreasonable speed, check
                                                                                                           the proper assembly, the
                                                                                                           cleaning and the sensor air gap;
                                                                                                           In case the defect persists,
                                                                                                           check the wiring and the
                                                                                                           connections between the
                                                                                                           tachograph connector (wiring
                                                                                                           side) and the connector EDC
                                                                                                           pin B74, passing through
                                                                                                           sleeve B pin 13.
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                        351
                                                                                                                                                                        352
   Component
                 DTC   FMI         Error type         Visible anomaly            Possible cause            Recommended repairs                      Notes
     failure
SENSORS      —   11    06    SUPPLY BELOW THE The speedometer doesn’t     Vehicle speed signal over   Reading of the parameters          EDC pilot light on. Error
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
VEHICLE SPEED                RANGE            work (if the failure is     the maximum threshold or    measurable       with     the      detected only with running
                                              between the sensor and      below the minimum one       diagnostic instrument: in          vehicle, and only in case of
                                              the speedometer)            (likely short circuit).     presence of this error, the        short circuit.
                                                                                                      vehicle speed read on the
                                                 Cruise Control doesn’t                                                                  If the signal is missing, no
                                                                                                      gearcase will be fixed at 5
                                                 work.                                                                                   error is detected because
                                                                                                      km/h. Failure memory reading
                                                                                                                                         according to the gearcase
                                                                                                      by means of the diagnostic
                                                                                                                                         the vehicle stands still.
                                                                                                      instrument: in case of
                                                                                                      intermittent error, check the
                                                                                                      connectors for a possible
                                                                                                      uncertain contact.
                                                                                                      If the error occurs, carry out
                                                                                                      the following checks:
                                                                                                      If the tachograph doesn’t
                                                                                                      work, check the wiring and the
                                                                                                      sensor—tachograph
                                                                                                      connections; If the tachograph
                                                                                                      works but it displays an
                                                                                                      unreasonable speed, check
                                                                                                      the proper assembly, the
                                                                                                      cleaning and the sensor air gap;
                                                                                                      In case the defect persists,
                                                                                                      check the wiring and the
                                                                                                      connections between the
                                                                                                      tachograph connector (wiring
                                                                                                      side) and the connector EDC
                                                                                                      pin B74, passing through
                                                                                                      sleeve B pin 13.
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
                                                      detected voltage), up to a                           voltage
                                                      maximum of 200 rpm                                   Carry out the appropriate
                                                      over the standard idling                             checks on voltage regulator,
                                                      speed.                                               batteries and recharge system.
VOLTAGE          12    02    VOLTAGE TOO LOW          Idling        accelerated    Too low battery voltage Reading      of      measurable
                                                      (depending upon the          signal.                 parameters to check the battery
                                                      detected voltage), up to a                           voltage
                                                      maximum of 200 rpm                                       Carry out the appropriate
                                                      over the standard idling                                 checks on voltage regulator,
                                                      speed.                                                   batteries and recharge system.
                                                                                                                                                                                    353
                                                                                                                                                                                  354
   Component
                 DTC   FMI           Error type             Visible anomaly             Possible cause               Recommended repairs                      Notes
     failure
SENSORS      —   12    08    VALUE    BELOW       THE The speedometer doesn’t   Vehicle speed signal over     Reading of the parameters            EDC pilot light on. Error
                                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
VEHICLE SPEED                LIMIT                    work (if the failure is   the maximum threshold or      measurable with the diagnostic       detected only with running
                                                      between the sensor and    below the minimum one         instrument: in presence of this      vehicle, and only in case of
                                                      the speedometer)          (likely short circuit).       error, the vehicle speed read on     short circuit.
                                                                                                              the gearcase will be fixed at 5
                                                       Cruise Control doesn’t                                 km/h. Failure memory reading         If the signal is missing, no
                                                       work.                                                  by means of the diagnostic           error is detected because
                                                                                                              instrument:     in      case    of   according to the gearcase
                                                                                                              intermittent error, check the        the vehicle stands still.
                                                                                                              connectors for a possible
                                                                                                              uncertain contact.
                                                                                                              If the error occurs, carry out the
                                                                                                              following checks:
                                                                                                              If the tachograph doesn’t work,
                                                                                                              check the wiring and the
                                                                                                              sensor—tachograph connections;
                                                                                                              If the tachograph works but it
                                                                                                              displays an unreasonable speed,
                                                                                                              check the proper assembly, the
                                                                                                              cleaning and the sensor air gap;
                                                                                                              In case the defect persists, check
                                                                                                              the wiring and the connections
                                                                                                              between       the      tachograph
                                                                                                              connector (wiring side) and the
                                                                                                              connector EDC pin B74, passing
                                                                                                              through sleeve B pin 13.
ELECTRONIC       13    00    NO      AVAILABLE Anomalous         engine         Sensor power circuit fault in Erase the failure memory and         EDC pilot light on.
CONTROL                      SYMPTOM           operation     due     to         ECU.                          retry.
                                                                                                              If the problem persists, contact     Possible defect warning
UNIT — SENSOR                                  incorrectly    powered
                                                                                                              the Help Desk and follow the         regarding various sensors
POWER SUPPLY                                   sensors. Reduced power.
                                                                                                              instructions for the possible        powered by the gearcase.
                                                                                                              replacement of the gearcase.
ELECTRONIC       13    01    SHORT CIRCUIT TO Anomalous         engine          Sensor power circuit fault in Erase the failure memory and         EDC pilot light on.
CONTROL                      POSITIVE         operation     due     to          ECU.                          retry.
                                                                                                                                      Possible defect warning
UNIT — SENSOR                                 incorrectly    powered                                 If the problem persists, contact regarding various sensors
POWER SUPPLY                                  sensors. Reduced power.                                the Help Desk and follow the powered by the gearcase.
                                                                                                     instructions for the possible
                                                                                                     replacement of the gearcase.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
CONTROL                     NORMAL LIMIT            operation     due       to     ECU.                          retry.
                                                                                                                 If the problem persists, contact   Possible defect warning
UNIT — SENSOR                                       incorrectly     powered
                                                                                                                 the Help Desk and follow the       regarding various sensors
POWER SUPPLY                                        sensors. Reduced power.
                                                                                                                 instructions for the possible      powered by the gearcase.
                                                                                                                 replacement of the gearcase.
VOLTAGE         13    08    VOLTAGE LOW               Idling        accelerated    Too low battery voltage Reading            of     measurable
                                                      (depending upon the          signal.                       parameters to check the
                                                      detected voltage), up to a                                 battery voltage
                                                      maximum of 200 rpm                                         Carry out the appropriate
                                                      over the standard idling                                   checks on voltage regulator,
                                                                                                                 batteries and recharge system.
                                                      speed.
                                                                                                                                                                                355
                                                                                                                                                                                356
  Component
                DTC   FMI           Error type               Visible anomaly            Possible cause             Recommended repairs                       Notes
    failure
ELECTRONIC      13    08    VALUE    BELOW       THE Anomalous         engine Sensor power circuit fault in   Erase the failure memory and        EDC pilot light on.
                                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
CONTROL                     LIMIT                    operation     due     to ECU.                            retry.
                                                                                                              If the problem persists, contact    Possible defect warning
UNIT — SENSOR                                        incorrectly    powered
                                                                                                              the Help Desk and follow the        regarding various sensors
POWER SUPPLY                                         sensors. Reduced power.
                                                                                                              instructions for the possible       powered by the gearcase.
                                                                                                              replacement of the gearcase.
SWITCH      —   14    00    NO      AVAILABLE Possible lack of stop lights Unfeasible brake switches —        Reading of status parameters by     EDC pilot light on.
BRAKE PEDAL                 SYMPTOM           operationPossible lack of signals between primary and           means of the diagnostic
                                                                                                              instrument to check the proper      Check the proper fitting up
                                              cruise     con?trol/power secondary
                                                                                                              and contemporary switchover         of switch assembly on
                                              takeoff operation
                                                                                                              (inverse) of the brake switches,    duplex.
                                                                                                              primary and secondary.
                                                                                                              If the result is negative, check,
                                                                                                              directly on the component by
                                                                                                              means of a multimeter, the
                                                                                                              proper switchover.
                                                                                                              If the component is not
                                                                                                              damaged, check wiring and
                                                                                                              connections between the
                                                                                                              component connector (wiring
                                                                                                              side) pin 4 and connector EDC
                                                                                                              pin B76, between component
                                                                                                              connector (wiring side) pin 2
                                                                                                              and connector EDC pin B80
                                                                                                              passing through the Body
                                                                                                              Computer and the sleeve B pin
                                                                                                              31.
SWITCH      —   14    01    SHORT CIRCUIT TO Possible lack of stop lights Unfeasible brake switches —         Reading of status parameters by     EDC pilot light on.
BRAKE PEDAL                 POSITIVE         operationPossible lack of signals between primary and            means of the diagnostic
                                                                                                              instrument to check the proper      Check the proper fitting up
                                             cruise     con?trol/power secondary
                                                                                                              and contemporary switchover         of switch assembly on
                                             takeoff operation                                                (inverse) of the brake switches,    duplex.
                                                                                                              primary and secondary.
                                                                                                              If the result is negative, check,
                                                                                                              directly on the component by
                                                                                                              means of a multimeter, the proper
                                                                                                              switchover.
                                                                                                              If the component is not damaged,
                                                                                                              check wiring and connections
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              damaged, check wiring and
                                                                                                              connections between the
                                                                                                              component connector (wiring
                                                                                                              side) pin 4 and connector EDC
                                                                                                              pin B76, between component
                                                                                                              connector (wiring side) pin 2
                                                                                                              and connector EDC pin B80
                                                                                                              passing through the Body
                                                                                                              Computer and the sleeve B pin
                                                                                                              31.
                                                                                                                                                                                357
                                                                                                                                                                                 358
  Component
                DTC   FMI          Error type                Visible anomaly             Possible cause              Recommended repairs                      Notes
    failure
SWITCH      —   14    04    SIGNAL              NOT Possible lack of stop lights Unfeasible brake switches —   Reading of status parameters by     EDC pilot light on.
                                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
BRAKE PEDAL                 PLAUSIBLE               operationPossible lack of signals between primary and      means of the diagnostic
                                                                                                               instrument to check the proper      Check the proper fitting up
                                                    cruise     con?trol/power secondary
                                                                                                               and contemporary switchover         of switch assembly on
                                                    takeoff operation
                                                                                                               (inverse) of the brake switches,    duplex.
                                                                                                               primary and secondary.
                                                                                                               If the result is negative, check,
                                                                                                               directly on the component by
                                                                                                               means of a multimeter, the
                                                                                                               proper switchover.
                                                                                                     If the component is not
                                                                                                     damaged, check wiring and
                                                                                                     connections between the
                                                                                                     component connector (wiring
                                                                                                     side) pin 4 and connector EDC
                                                                                                     pin B76, between component
                                                                                                     connector (wiring side) pin 2
                                                                                                     and connector EDC pin B80
                                                                                                     passing through the Body
                                                                                                     Computer and the sleeve B pin
                                                                                                     31.
SWITCH      —   14    05    SUPPLY OVER THE Possible lack of stop lights Unfeasible brake switches — Reading of status parameters by               EDC pilot light on.
BRAKE PEDAL                 NORMAL RANGE    operationPossible lack of signals between primary and means of the diagnostic
                                                                                                                                                   Check the proper fitting up
                                            cruise     con?trol/power secondary                      instrument to check the proper
                                                                                                                                                   of switch assembly on
                                            takeoff operation                                        and contemporary switchover
                                                                                                                                                   duplex.
                                                                                                     (inverse) of the brake switches,
                                                                                                     primary and secondary.
                                                                                                               If the result is negative, check,
                                                                                                               directly on the component by
                                                                                                               means of a multimeter, the
                                                                                                               proper switchover.
                                                                                                               If the component is not
                                                                                                               damaged, check wiring and
                                                                                                               connections between the
                                                                                                               component connector (wiring
                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
                                                                                                          present on the Cluster and
                                                                                                          that the CAN line is up:
                                                                                                          impedance between pin 21
                                                                                                          and pin 22 of the 30—pin
                                                                                                          connector       must        be
                                                                                                          approximately     60      ohm
                                                                                                          (measured with key off and all
                                                                                                          ECUs connected).
                                                                                                                                                   359
                                                                                                                                                         360
  Component
                  DTC   FMI         Error type               Visible anomaly           Possible cause                Recommended repairs         Notes
    failure
SWITCH        —   15    03    NO SIGNAL                Cruise      control/power Unfeasibility of        cruise Read state parameters (EDC
                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
CRUISE                                                 takeoffare not operating control/power           takeoff ECU and Body Controller) to
CONTROL                                                                          control keys                   identify faulty button.If the
                                                                                                                switches work correctly, check
                                                                                                                that the CAN message is not
                                                                                                                present on the Cluster and
                                                                                                                that the CAN line is up:
                                                                                                                impedance between pin 21
                                                                                                                and pin 22 of the 30—pin
                                                                                                                connector       must        be
                                                                                                                approximately     60      ohm
                                                                                                                (measured with key off and all
                                                                                                                ECUs connected).
SWITCH        —   15    04    SIGNAL             NOT Cruise      control/power Unfeasibility of          cruise Read state parameters (EDC
CRUISE                        PLAUSIBLE              takeoffare not operating control/power             takeoff ECU and Body Controller) to
CONTROL                                                                        control keys                     identify faulty button.If the
                                                                                                                switches work correctly, check
                                                                                                                that the CAN message is not
                                                                                                                present on the Cluster and
                                                                                                                that the CAN line is up:
                                                                                                                impedance between pin 21
                                                                                                                and pin 22 of the 30—pin
                                                                                                                connector       must        be
                                                                                                                approximately     60      ohm
                                                                                                                (measured with key off and all
                                                                                                                ECUs connected).
SWITCH        —   15    05    SUPPLY OVER THE Cruise      control/power Unfeasibility of                 cruise Read state parameters (EDC
CRUISE                        NORMAL RANGE    takeoffare not operating control/power                    takeoff ECU and Body Controller) to
CONTROL                                                                 control keys                            identify faulty button.If the
                                                                                                                switches work correctly, check
                                                                                                                that the CAN message is not
                                                                                                                present on the Cluster and
                                                                                                                that the CAN line is up:
                                                                                                                impedance between pin 21
                                                                                                                and pin 22 of the 30—pin
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              and pin 22 of the 30—pin
                                                                                                              connector        must       be
                                                                                                              approximately     60      ohm
                                                                                                              (measured with key off and all
                                                                                                              ECUs connected).
                                                                                                                                                                                361
                                                                                                                                                                                   362
  Component
                  DTC   FMI        Error type               Visible anomaly             Possible cause                 Recommended repairs                      Notes
    failure
SWITCH      —     15    07    VALUE OVER        THE Possible lack of stop lights Unfeasible brake switches —     Reading of status parameters        EDC pilot light on.
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
BRAKE PEDAL                   NORMAL LIMIT          operationPossible lack of signals between primary and        by means of the diagnostic
                                                                                                                                                     Check the proper fitting up
                                                    cruise     con?trol/power secondary                          instrument to check the
                                                                                                                                                     of switch assembly on
                                                    takeoff operation                                            proper and contemporary
                                                                                                                                                     duplex.
                                                                                                                 switchover (inverse) of the
                                                                                                                 brake switches, primary and
                                                                                                                 secondary.
                                                                                                                 If the result is negative, check,
                                                                                                                 directly on the component by
                                                                                                                 means of a multimeter, the
                                                                                                                 proper switchover.
                                                                                                                 If the component is not
                                                                                                                 damaged, check wiring and
                                                                                                                 connections between the
                                                                                                                 component connector (wiring
                                                                                                                 side) pin 4 and connector
                                                                                                                 EDC pin B76, between
                                                                                                                 component connector (wiring
                                                                                                                 side) pin 2 and connector
                                                                                                                 EDC pin B80 passing through
                                                                                                                 the Body Computer and the
                                                                                                                 sleeve B pin 31.
SWITCH        —   15    07    VALUE OVER        THE Cruise      control/power Unfeasibility of            cruise Read state parameters (EDC
CRUISE                        NORMAL LIMIT          takeoffare not operating control/power               takeoff ECU and Body Controller) to
CONTROL                                                                       control keys                       identify faulty button.If the
                                                                                                                 switches work correctly, check
                                                                                                                 that the CAN message is not
                                                                                                                 present on the Cluster and
                                                                                                                 that the CAN line is up:
                                                                                                                 impedance between pin 21
                                                                                                                 and pin 22 of the 30—pin
                                                                                                                 connector        must       be
                                                                                                                 approximately     60      ohm
                                                                                                                 (measured with key off and all
                                                                                                                 ECUs connected).
                                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
SWITCH — PTO      17    00    NO      AVAILABLE The PTO Selector does Open circuit or short circuit                   Disconnect the ’Italamec 732.24’    PTO 0 = 4,5 ÷ 3,5 Volt
SELECTOR                      SYMPTOM           not work              on the wiring between EDC                       component (resistances group)
                                                                                                                      from the UCI and check that the     PTO 1 = 3,5 ÷ 2,5 Volt
                                                                      and switch.
                                                                                                                      resistance between pin 1 and 2      PTO 2 = 2,5 ÷ 1,5 Volt
                                                                                                                      (UCI side) is of 5,6 Kohm. Check
                                                                                                                      that reading between pin 32 and     PTO 3 = 1,5 ÷ 0,5 Volt
                                                                                                                      87 of the connector 89 pin
                                                                                                                      (EDC) are those indicated in the
                                                                                                                      ”Notes”.
                                                                                                                                                                                        363
                                                                                                                                                                             364
  Component
                  DTC   FMI          Error type             Visible anomaly            Possible cause          Recommended repairs                      Notes
    failure
SWITCH        —   17    00    NO      AVAILABLE Not operating cruise Clutch switch: unfeasible            Operate the clutch by             EDC pilot light:
                                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
CLUTCH                        SYMPTOM           control/power takeoff signal (signals the unit that       completley pressing the pedal
                                                                                                                                            On (software version for
                                                                      the clutch is pressed while it      and by reading status
                                                                                                                                            single—stage valve).
                                                                      is not)                             parameters on MODUS
                                                                                                          IWT—IT2000Visual LED check        Off (software version for
                                                                                                          on sensor head under plastic      double—stage valve).
                                                                                                          guard (wth released clutch the
                                                                                                                                            (If the pressed—clutch signal
                                                                                                          LED must be on)If the switch
                                                                                                                                            is missing, the gearcase
                                                                                                          is not broken and well
                                                                                                                                            doesn’t realize it because it
                                                                                                          adjusted,    check      wiring,
                                                                                                                                            regards this state as normal).
                                                                                                          connections and correct
                                                                                                          switch assembly (distance         Cruise       Control/Power
                                                                                                          from pedal 1—3 mm)                takeoff do not work because
                                                                                                                                            according to the gearcase
                                                                                                                                            the clutch pedal is always
                                                                                                                                            pressed.
                                                                                                                                  CAUTION: take care of the
                                                                                                                                  cable path to prevent it from
                                                                                                                                  being      squashed        and
                                                                                                                                  damaged while operating
                                                                                                                                  the pedal.
SWITCH — PTO      17    01    SHORT CIRCUIT TO The PTO Selector does Open circuit or short circuit Disconnect the ’Italamec PTO 0 = 4,5 ÷ 3,5 Volt
SELECTOR                      POSITIVE         not work              on the wiring between EDC 732.24’                component
                                                                                                                                  PTO 1 = 3,5 ÷ 2,5 Volt
                                                                     and switch.                   (resistances group) from the
                                                                                                   UCI and check that the PTO 2 = 2,5 ÷ 1,5 Volt
                                                                                                   resistance between pin 1 and
                                                                                                   2 (UCI side) is of 5,6 Kohm. PTO 3 = 1,5 ÷ 0,5 Volt
                                                                                                   Check that reading between
                                                                                                   pin 32 and 87 of the connector
                                                                                                   89 pin (EDC) are those
                                                                                                   indicated in the ”Notes”.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                             365
                                                                                                                                                                               366
  Component
                  DTC   FMI          Error type            Visible anomaly             Possible cause            Recommended repairs                      Notes
    failure
SWITCH        —   17    02    OPEN CIRCUIT OR Not operating cruise Clutch switch: unfeasible                Operate the clutch by             EDC pilot light:
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
CLUTCH                        SHORT CIRCUIT TO control/power takeoff signal (signals the unit that          completley pressing the pedal
                                                                                                                                              On (software version for
                              GROUND                                 the clutch is pressed while it         and by reading status
                                                                                                                                              single—stage valve).
                                                                     is not)                                parameters on MODUS
                                                                                                            IWT—IT2000Visual LED check        Off (software version for
                                                                                                            on sensor head under plastic      double—stage valve).
                                                                                                            guard (wth released clutch the
                                                                                                                                              (If the pressed—clutch signal
                                                                                                            LED must be on)If the switch
                                                                                                                                              is missing, the gearcase
                                                                                                            is not broken and well
                                                                                                                                              doesn’t realize it because it
                                                                                                            adjusted,    check      wiring,
                                                                                                                                              regards this state as normal).
                                                                                                            connections and correct
                                                                                                            switch assembly (distance         Cruise       Control/Power
                                                                                                            from pedal 1—3 mm)                takeoff do not work because
                                                                                                                                              according to the gearcase
                                                                                                                                              the clutch pedal is always
                                                                                                                                              pressed.
                                                                                                                                        CAUTION: take care of the
                                                                                                                                        cable path to prevent it from
                                                                                                                                        being      squashed        and
                                                                                                                                        damaged while operating
                                                                                                                                        the pedal.
SWITCH — PTO      17    03    NO SIGNAL              The PTO Selector does Open circuit or short circuit Disconnect the ’Italamec PTO 0 = 4,5 ÷ 3,5 Volt
SELECTOR                                             not work              on the wiring between EDC 732.24’                component
                                                                                                                                        PTO 1 = 3,5 ÷ 2,5 Volt
                                                                           and switch.                   (resistances group) from the
                                                                                                         UCI and check that the PTO 2 = 2,5 ÷ 1,5 Volt
                                                                                                         resistance between pin 1 and
                                                                                                         2 (UCI side) is of 5,6 Kohm. PTO 3 = 1,5 ÷ 0,5 Volt
                                                                                                         Check that reading between
                                                                                                         pin 32 and 87 of the connector
                                                                                                         89 pin (EDC) are those
                                                                                                         indicated in the ”Notes”.
                                                                                                                                                                                     ELECTRIC/ELECTRONIC SYSTEM
SELECTOR                      NORMAL RANGE    not work              on the wiring between EDC                 732.24’            component
                                                                                                                                             PTO 1 = 3,5 ÷ 2,5 Volt
                                                                    and switch.                               (resistances group) from the
                                                                                                              UCI and check that the PTO 2 = 2,5 ÷ 1,5 Volt
                                                                                                              resistance between pin 1 and
                                                                                                              2 (UCI side) is of 5,6 Kohm. PTO 3 = 1,5 ÷ 0,5 Volt
                                                                                                              Check that reading between
                                                                                                              pin 32 and 87 of the connector
                                                                                                              89 pin (EDC) are those
                                                                                                              indicated in the ”Notes”.
                                                                                                                                                                                     367
                                                                                                                                                          368
  Component
               DTC   FMI          Error type            Visible anomaly          Possible cause          Recommended repairs               Notes
    failure
SWITCH — PTO   17    06    SUPPLY BELOW THE The PTO Selector does Open circuit or short circuit Disconnect the ’Italamec         PTO 0 = 4,5 ÷ 3,5 Volt
                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
SELECTOR                   RANGE            not work              on the wiring between EDC 732.24’                component
                                                                                                                                 PTO 1 = 3,5 ÷ 2,5 Volt
                                                                  and switch.                   (resistances group) from the
                                                                                                UCI and check that the           PTO 2 = 2,5 ÷ 1,5 Volt
                                                                                                resistance between pin 1 and
                                                                                                2 (UCI side) is of 5,6 Kohm.     PTO 3 = 1,5 ÷ 0,5 Volt
                                                                                                Check that reading between
                                                                                                pin 32 and 87 of the connector
                                                                                                89 pin (EDC) are those
                                                                                                indicated in the ”Notes”.
SWITCH — PTO   17    07    VALUE OVER THE The PTO Selector does Open circuit or short circuit Disconnect the ’Italamec           PTO 0 = 4,5 ÷ 3,5 Volt
SELECTOR                   NORMAL LIMIT     not work              on the wiring between EDC 732.24’                component
                                                                                                                                 PTO 1 = 3,5 ÷ 2,5 Volt
                                                                  and switch.                   (resistances group) from the
                                                                                                UCI and check that the           PTO 2 = 2,5 ÷ 1,5 Volt
                                                                                                resistance between pin 1 and
                                                                                                2 (UCI side) is of 5,6 Kohm.     PTO 3 = 1,5 ÷ 0,5 Volt
                                                                                                Check that reading between
                                                                                                pin 32 and 87 of the connector
                                                                                                89 pin (EDC) are those
                                                                                                indicated in the ”Notes”.
SWITCH — PTO   17    08    VALUE BELOW THE The PTO Selector does Open circuit or short circuit Disconnect the ’Italamec          PTO 0 = 4,5 ÷ 3,5 Volt
SELECTOR                   LIMIT            not work              on the wiring between EDC 732.24’                component
                                                                                                                                 PTO 1 = 3,5 ÷ 2,5 Volt
                                                                  and switch.                   (resistances group) from the
                                                                                                UCI and check that the           PTO 2 = 2,5 ÷ 1,5 Volt
                                                                                                resistance between pin 1 and
                                                                                                2 (UCI side) is of 5,6 Kohm.     PTO 3 = 1,5 ÷ 0,5 Volt
                                                                                                Check that reading between
                                                                                                pin 32 and 87 of the connector
                                                                                                89 pin (EDC) are those
                                                                                                indicated in the ”Notes”.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                   state as normal).
                                                                                                   connections and correct
                                                                                                   switch assembly (distance Cruise Control/Power takeoff
                                                                                                   from pedal 1—3 mm)              do not work because
                                                                                                                                   according to the gearcase the
                                                                                                                                   clutch pedal is always pressed.
                                                                                                                                               CAUTION: take care of the
                                                                                                                                               cable path to prevent it from
                                                                                                                                               being squashed and damaged
                                                                                                                                               while operating the pedal.
                                                                                                                                                                                369
                                                                                                                                                                                   370
  Component
                  DTC   FMI          Error type               Visible anomaly              Possible cause             Recommended repairs                     Notes
    failure
SWITCH        —   18    06    SUPPLY BELOW THE Not operating cruise Clutch switch: unfeasible                   Operate the clutch by             EDC pilot light:
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
CLUTCH                        RANGE            control/power takeoff signal (signals the unit that              completley pressing the pedal
                                                                                                                                                  On (software version for
                                                                     the clutch is pressed while it             and by reading status
                                                                                                                                                  single—stage valve).
                                                                     is not)                                    parameters on MODUS
                                                                                                                IWT—IT2000Visual LED check        Off (software version for
                                                                                                                on sensor head under plastic      double—stage valve).
                                                                                                                guard (wth released clutch the
                                                                                                                                                  (If the pressed—clutch signal
                                                                                                                LED must be on)If the switch
                                                                                                                                                  is missing, the gearcase
                                                                                                                is not broken and well
                                                                                                                                                  doesn’t realize it because it
                                                                                                                adjusted,    check      wiring,
                                                                                                                                                  regards this state as normal).
                                                                                                                connections and correct
                                                                                                                switch assembly (distance         Cruise       Control/Power
                                                                                                                from pedal 1—3 mm)                takeoff do not work because
                                                                                                                                                  according to the gearcase
                                                                                                                                                  the clutch pedal is always
                                                                                                                                                  pressed.
                                                                                                                                           CAUTION: take care of the
                                                                                                                                           cable path to prevent it from
                                                                                                                                           being       squashed       and
                                                                                                                                           damaged while operating
                                                                                                                                           the pedal.
SWITCH        —   18    07    VALUE OVER          THE Not operating cruise Clutch switch: unfeasible Operate the clutch by EDC pilot light:
CLUTCH                        NORMAL LIMIT            control/power takeoff signal (signals the unit that completley pressing the pedal
                                                                                                                                           On (software version for
                                                                            the clutch is pressed while it and by reading status
                                                                                                                                           single—stage valve).
                                                                            is not)                        parameters on MODUS
                                                                                                           IWT—IT2000Visual LED check Off (software version for
                                                                                                           on sensor head under plastic double—stage valve).
                                                                                                           guard (wth released clutch the
                                                                                                                                           (If the pressed—clutch signal is
                                                                                                           LED must be on)If the switch
                                                                                                                                           missing, the gearcase doesn’t
                                                                                                           is not broken and well
                                                                                                                                           realize it because it regards
                                                                                                           adjusted,    check      wiring,
                                                                                                                                           this state as normal).
                                                                                                           connections and correct
                                                                                                           switch assembly (distance Cruise                Control/Power
                                                                                                           from pedal 1—3 mm)              takeoff do not work because
                                                                                                                                           according to the gearcase the
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                 retry: if in case of engine
                                                                                                                 normal stop the error signal
                                                                                                                 persists, contact the Help
                                                                                                                 Desk for the possible
                                                                                                                 replacement of the gearcase.
                                                                                                                                                                                    371
                                                                                                                                                                       372
  Component
               DTC   FMI         Error type          Visible anomaly              Possible cause              Recommended repairs                  Notes
    failure
ELECTRONIC     1A    01    SHORT CIRCUIT TO Significant            power Failure of the internal test    It might occur if the engine is EDC pilot light on.
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
CONTROL                    POSITIVE         reduction.                   procedure that takes place      stopped but it keeps on
                                                                                                                                         The engine doesn’t stop in
UNIT — SELF                                                              in the control unit each time   running (vehicle moving with
                                                                                                                                         the foreseen times when the
TEST SHUTOFF                                                             the engine stops.               engaged gear).
                                                                                                                                         key +15 is OFF—positioned.
PATHS
                                                                                                         Check the wiring between
AFTER—RUN
                                                                                                         +15 of the key and gearcase
                                                                                                         connector pin B39 passing
                                                                                                         through the sleeve B pin 2.
                                                                                                       Erase the failure memory and
                                                                                                       retry: if in case of engine
                                                                                                       normal stop the error signal
                                                                                                       persists, contact the Help
                                                                                                       Desk for the possible
                                                                                                       replacement of the gearcase.
COMMUNICATI    1B    00    NO      AVAILABLE   The engine doesn’t start. The engine does not Check wiring, connections, EDC pilot light winking.
ON LINES —                 SYMPTOM             Possible 7.2.             start.Communication           components.Carry out an
                                                                                                                                    In case of wrong key, also the
IMMOBILISER                                                              problems                 with Immobilizer diagnosis.
                                                                                                                                    Immobilizer pilot light winks
                                                                         short—circuited            or
                                                                                                                                    (the problem is not in the
                                                                         open—circuited Immobilizer
                                                                                                                                    EDC gearcase).
                                                                         on CAN line
COMMUNICATI    1B    01    SHORT CIRCUIT TO    The engine doesn’t start. The engine does not Check wiring, connections, EDC pilot light winking.
ON LINES —                 POSITIVE            Possible 7.2.             start.Communication           components.Carry out an
                                                                                                                                    In case of wrong key, also the
IMMOBILISER                                                              problems                 with Immobilizer diagnosis.
                                                                                                                                    Immobilizer pilot light winks
                                                                         short—circuited            or
                                                                                                                                    (the problem is not in the
                                                                         open—circuited Immobilizer
                                                                                                                                    EDC gearcase).
                                                                         on CAN line
ELECTRONIC     1B    02    OPEN CIRCUIT OR     Significant      power Failure of the internal test It might occur if the engine is EDC pilot light on.
CONTROL                    SHORT CIRCUIT TO    reduction.                procedure that takes place stopped but it keeps on
                                                                                                                                    The engine doesn’t stop in
UNIT — SELF                GROUND                                        in the control unit each time running (vehicle moving with
                                                                                                                                    the foreseen times when the
TEST SHUTOFF                                                             the engine stops.             engaged gear).
                                                                                                                                    key +15 is OFF—positioned.
PATHS
                                                                                                       Check the wiring between
AFTER—RUN
                                                                                                       +15 of the key and gearcase
                                                                                                       connector pin B39 passing
                                                                                                       through the sleeve B pin 2.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                        key +15 is OFF—positioned.
PATHS
                                                                                                           Check the wiring between
AFTER—RUN
                                                                                                           +15 of the key and gearcase
                                                                                                           connector pin B39 passing
                                                                                                           through the sleeve B pin 2.
                                                                                                             Erase the failure memory and
                                                                                                             retry: if in case of engine
                                                                                                             normal stop the error signal
                                                                                                             persists, contact the Help
                                                                                                             Desk for the possible
                                                                                                             replacement of the gearcase.
                                                                                                                                                                           373
                                                                                                                                                                      374
  Component
               DTC   FMI          Error type              Visible anomaly           Possible cause           Recommended repairs                  Notes
    failure
COMMUNICATI    1B    04    SIGNAL       NOT The engine doesn’t start. The engine does not               Check wiring, connections, EDC pilot light winking.
                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                 PLAUSIBLE        Possible 7.2.             start.Communication               components.Carry out an
                                                                                                                                   In case of wrong key, also the
IMMOBILISER                                                           problems                 with     Immobilizer diagnosis.
                                                                                                                                   Immobilizer pilot light winks
                                                                      short—circuited            or
                                                                                                                                   (the problem is not in the
                                                                      open—circuited Immobilizer
                                                                                                                                   EDC gearcase).
                                                                      on CAN line
ELECTRONIC     1B    05    SUPPLY OVER THE Significant       power Failure of the internal test         It might occur if the engine is EDC pilot light on.
CONTROL                    NORMAL RANGE     reduction.                procedure that takes place        stopped but it keeps on
                                                                                                                                        The engine doesn’t stop in
UNIT — SELF                                                           in the control unit each time     running (vehicle moving with
                                                                                                                                        the foreseen times when the
TEST SHUTOFF                                                          the engine stops.                 engaged gear).
                                                                                                                                        key +15 is OFF—positioned.
PATHS
                                                                                                        Check the wiring between
AFTER—RUN
                                                                                                        +15 of the key and gearcase
                                                                                                        connector pin B39 passing
                                                                                                        through the sleeve B pin 2.
                                                                                                   Erase the failure memory and
                                                                                                   retry: if in case of engine
                                                                                                   normal stop the error signal
                                                                                                   persists, contact the Help
                                                                                                   Desk for the possible
                                                                                                   replacement of the gearcase.
COMMUNICATI    1B    05    SUPPLY OVER THE The engine doesn’t start. The engine does not Check wiring, connections, EDC pilot light winking.
ON LINES —                 NORMAL RANGE     Possible 7.2.            start.Communication           components.Carry out an
                                                                                                                                In case of wrong key, also the
IMMOBILISER                                                          problems                 with Immobilizer diagnosis.
                                                                                                                                Immobilizer pilot light winks
                                                                     short—circuited            or
                                                                                                                                (the problem is not in the
                                                                     open—circuited Immobilizer
                                                                                                                                EDC gearcase).
                                                                     on CAN line
ELECTRONIC     1B    06    SUPPLY BELOW THE Significant     power Failure of the internal test It might occur if the engine is EDC pilot light on.
CONTROL                    RANGE            reduction.               procedure that takes place stopped but it keeps on
                                                                                                                                The engine doesn’t stop in
UNIT — SELF                                                          in the control unit each time running (vehicle moving with
                                                                                                                                the foreseen times when the
TEST SHUTOFF                                                         the engine stops.             engaged gear).
                                                                                                                                key +15 is OFF—positioned.
PATHS
                                                                                                   Check the wiring between
AFTER—RUN
                                                                                                   +15 of the key and gearcase
                                                                                                   connector pin B39 passing
                                                                                                   through the sleeve B pin 2.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
PATHS
                                                                                                            Check the wiring between +15
AFTER—RUN
                                                                                                            of the key and gearcase
                                                                                                            connector pin B39 passing
                                                                                                            through the sleeve B pin 2.
                                                                                                             Erase the failure memory and
                                                                                                             retry: if in case of engine normal
                                                                                                             stop the error signal persists,
                                                                                                             contact the Help Desk for the
                                                                                                             possible replacement of the
                                                                                                             gearcase.
                                                                                                                                                                           375
                                                                                                                                                                        376
  Component
               DTC   FMI           Error type            Visible anomaly             Possible cause              Recommended repairs                       Notes
    failure
COMMUNICATI    1C    08    VALUE    BELOWTHE The engine doesn’t start. The engine does not                  Check wiring, connections, EDC pilot light winking.
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                 LIMIT             Possible 7.2.             start.Communication                  components.Carry out an
                                                                                                                                       In case of wrong key, also the
IMMOBILISER                                                            problems                with         Immobilizer diagnosis.
                                                                                                                                       Immobilizer pilot light winks
                                                                       short—circuited           or
                                                                                                                                       (the problem is not in the
                                                                       open—circuited Immobilizer
                                                                                                                                       EDC gearcase).
                                                                       on CAN line
ELECTRONIC     1D    00    NO      AVAILABLE The engine rotates with 2 Power stage for cylinder             Delete failure memory and try       EDC pilot light on.
CONTROL                    SYMPTOM           (3) cylinders             block 1 or cylinder block 2          again.If the error remains, and
UNIT       —                                                                                                only after having excluded an
BOOSTER 1                                                                                                   injector failure (see 5.x note),
                                                                                                            contact the Help Desk and
                                                                                                            comply with its instructions for
                                                                                                            possible unit replacement.
ELECTRONIC     1D    01    VOLTAGE TOO HIGH        The engine rotates with 2 Power stage for cylinder       Delete failure memory and try       EDC pilot light on.
CONTROL                                            (3) cylinders             block 1 or cylinder block 2    again.If the error remains, and
UNIT       —                                                                                                only after having excluded an
BOOSTER 1                                                                                                   injector failure (see 5.x note),
                                                                                                            contact the Help Desk and
                                                                                                            comply with its instructions for
                                                                                                            possible unit replacement.
ELECTRONIC     1D    02    VOLTAGE TOO LOW         The engine rotates with 2 Power stage for cylinder       Delete failure memory and try       EDC pilot light on.
CONTROL                                            (3) cylinders             block 1 or cylinder block 2    again.If the error remains, and
UNIT       —                                                                                                only after having excluded an
BOOSTER 1                                                                                                   injector failure (see 5.x note),
                                                                                                            contact the Help Desk and
                                                                                                            comply with its instructions for
                                                                                                            possible unit replacement.
ELECTRONIC     1E    00    NO      AVAILABLE The engine runs at 2 (3) Power stage for the                   Erase the failure memory and        EDC pilot light on.
CONTROL                    SYMPTOM           cylinders.               electro—injectors          of         retry.
UNIT       —                                                          cylinders 2—3 (four—cylinder          In case the error persists, and
BOOSTER 2                                                             engine)       or      4—5—6           only after having excluded the
                                                                      (six—cylinder engine) faulty.         injector defect (see note of 5.x)
                                                                                                            contact the Help Desk and
                                                                                                            follow the instructions for the
                                                                                                            possible replacement of the
                                                                                                            gearcase.
ELECTRONIC     1E    01    VOLTAGE TOO HIGH        The engine runs at 2 (3) Power stage for the             Erase the failure memory and        EDC pilot light on.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
                                                                                                                                                                             377
                                                                                                                                                                          378
   Component
                  DTC   FMI          Error type           Visible anomaly             Possible cause                Recommended repairs               Notes
     failure
COMMUNICATI       1F    00    NO      AVAILABLE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                    SYMPTOM           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
PTO: Power Take                                 cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Off Information                                 Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
COMMUNICATI       1F    01    SHORT CIRCUIT TO                                CAN line.                        Check wiring, connections and EDC pilot light:
ON LINES — Can                POSITIVE                                                                         closing resistance (120 ohms)
                                                                                                                                             Off (software version for
A Module
                                                                                                                                             single—stage valve).
                                                                                                                                            On (software version for
                                                                                                                                            double—stage valve).
                                                                                                                                            Immobilizer either does not
                                                                                                                                            intervene or it does not
                                                                                                                                            allow starting.
COMMUNICATI       1F    01    SHORT CIRCUIT TO CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                    POSITIVE         Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
PTO: Power Take                                cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Off Information                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                               communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS       connected.                       Resistance measured with key
                                               suspension        levelling                                    off on wiring between pin B52
                                               operation problem via                                          and pin B53 must be equal to
                                               remote control in cab.                                         120 ohm. 3) Impedance
                                               Speedometer may stay                                           measured between 30—pin
                                               off.                                                           connector pin 21 (CAN H)
                                                                                                              and pin 22 (CAN L) must be
                                                                                                              equal to 60 ohm +/—3%
                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              (measured with key off and
                                                                                                              ECUs connected).
                                                                                                                                                      379
                                                                                                                                                                        380
   Component
                 DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs               Notes
     failure
COMMUNICATI      1F    02    OPEN CIRCUIT OR                                CAN line.                        Check wiring, connections and EDC pilot light:
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               SHORT CIRCUIT TO                                                                closing resistance (120 ohms)
                                                                                                                                           Off (software version for
A Module                     GROUND
                                                                                                                                           single—stage valve).
                                                                                                                                          On (software version for
                                                                                                                                          double—stage valve).
                                                                                                                                          Immobilizer either does not
                                                                                                                                          intervene or it does not
                                                                                                                                          allow starting.
COMMUNICATI      1F    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — Can               SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
A Module                     GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
                                              Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                              communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                              with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                              cranking. Possible ECAS       connected.                       Resistance measured with key
                                              suspension        levelling                                    off on wiring between pin B52
                                              operation problem via                                          and pin B53 must be equal to
                                              remote control in cab.                                         120 ohm. 3) Impedance
                                              Speedometer may stay                                           measured between 30—pin
                                              off.                                                           connector pin 21 (CAN H)
                                                                                                             and pin 22 (CAN L) must be
                                                                                                             equal to 60 ohm +/—3%
                                                                                                             (measured with key off and
                                                                                                             ECUs connected).
COMMUNICATI      1F    03    NO SIGNAL                                      CAN line.                        Check wiring, connections and EDC pilot light:
ON LINES — Can                                                                                               closing resistance (120 ohms)
                                                                                                                                           Off (software version for
A Module
                                                                                                                                           single—stage valve).
                                                                                                                                          On (software version for
                                                                                                                                          double—stage valve).
                                                                                                                                          Immobilizer either does not
                                                                                                                                          intervene or it does not
                                                                                                                                          allow starting.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                                381
                                                                                                                                                                              382
   Component
                 DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs               Notes
     failure
COMMUNICATI      1F    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
A Module                                            cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
                                                    Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                    communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                    with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                    cranking. Possible ECAS       connected.                       Resistance measured with key
                                                    suspension        levelling                                    off on wiring between pin B52
                                                    operation problem via                                          and pin B53 must be equal to
                                                    remote control in cab.                                         120 ohm. 3) Impedance
                                                    Speedometer may stay                                           measured between 30—pin
                                                    off.                                                           connector pin 21 (CAN H)
                                                                                                                   and pin 22 (CAN L) must be
                                                                                                                   equal to 60 ohm +/—3%
                                                                                                                   (measured with key off and
                                                                                                                   ECUs connected).
COMMUNICATI      1F    05    SUPPLY OVER THE                                      CAN line.                        Check wiring, connections and EDC pilot light:
ON LINES — Can               NORMAL RANGE                                                                          closing resistance (120 ohms)
                                                                                                                                                 Off (software version for
A Module
                                                                                                                                                 single—stage valve).
                                                                                                                                                On (software version for
                                                                                                                                                double—stage valve).
                                                                                                                                                Immobilizer either does not
                                                                                                                                                intervene or it does not
                                                                                                                                                allow starting.
                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                       383
                                                                                                                                                                        384
   Component
                 DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs               Notes
     failure
COMMUNICATI      1F    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
A Module                                      cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
                                              Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                              communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                              with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                              cranking. Possible ECAS       connected.                       Resistance measured with key
                                              suspension        levelling                                    off on wiring between pin B52
                                              operation problem via                                          and pin B53 must be equal to
                                              remote control in cab.                                         120 ohm. 3) Impedance
                                              Speedometer may stay                                           measured between 30—pin
                                              off.                                                           connector pin 21 (CAN H)
                                                                                                             and pin 22 (CAN L) must be
                                                                                                             equal to 60 ohm +/—3%
                                                                                                             (measured with key off and
                                                                                                             ECUs connected).
COMMUNICATI      1F    07    VALUE OVER         THE                         CAN line.                        Check wiring, connections and EDC pilot light:
ON LINES — Can               NORMAL LIMIT                                                                    closing resistance (120 ohms)
                                                                                                                                           Off (software version for
A Module
                                                                                                                                           single—stage valve).
                                                                                                                                          On (software version for
                                                                                                                                          double—stage valve).
                                                                                                                                          Immobilizer either does not
                                                                                                                                          intervene or it does not
                                                                                                                                          allow starting.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                                385
                                                                                                                                                             386
   Component
                 DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI      1F    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
A Module                                              cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
                                                      Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                      communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                      with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                      suspension        levelling                                    off on wiring between pin B52
                                                      operation problem via                                          and pin B53 must be equal to
                                                      remote control in cab.                                         120 ohm. 3) Impedance
                                                      Speedometer may stay                                           measured between 30—pin
                                                      off.                                                           connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
COMMUNICATI      20    00    NO      AVAILABLE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                   SYMPTOM           Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
TCO1:                                          cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Tachograph                                     Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
Output                                         communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS              connected.                       Resistance measured with key
                                               suspension        levelling                                           off on wiring between pin B52
                                               operation problem via                                                 and pin B53 must be equal to
                                               remote control in cab.                                                120 ohm. 3) Impedance
                                               Speedometer may stay                                                  measured between 30—pin
                                               off.                                                                  connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              ECUs connected).
                                                                                                                                                      387
                                                                                                                                                           388
   Component
                  DTC   FMI         Error type            Visible anomaly                 Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI       20    02    OPEN CIRCUIT OR CAN message appears on              Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                    SHORT CIRCUIT TO Cluster.CAN messages               CAN line short—circuit to        Resistance measured with key
TCO1:                         GROUND           cannot be viewed on                earth or CAN H and CAN           off directly on EDC ECU
Tachograph                                     Cluster.          Possible         L      lines      reciprocally   between pin B52 (CAN L) and
Output                                         communication problem              short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for               all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS            connected.                       Resistance measured with key
                                               suspension        levelling                                         off on wiring between pin B52
                                               operation problem via                                               and pin B53 must be equal to
                                               remote control in cab.                                              120 ohm. 3) Impedance
                                               Speedometer may stay                                                measured between 30—pin
                                               off.                                                                connector pin 21 (CAN H)
                                                                                                                   and pin 22 (CAN L) must be
                                                                                                                   equal to 60 ohm +/—3%
                                                                                                                   (measured with key off and
                                                                                                                   ECUs connected).
COMMUNICATI       20    03    NO SIGNAL             CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                                          Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
PTO: Power Take                                     cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Off Information                                     Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                    communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                    with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                    cranking. Possible ECAS       connected.                       Resistance measured with key
                                                    suspension        levelling                                    off on wiring between pin B52
                                                    operation problem via                                          and pin B53 must be equal to
                                                    remote control in cab.                                         120 ohm. 3) Impedance
                                                    Speedometer may stay                                           measured between 30—pin
                                                    off.                                                           connector pin 21 (CAN H)
                                                                                                                   and pin 22 (CAN L) must be
                                                                                                                   equal to 60 ohm +/—3%
                                                                                                                   (measured with key off and
                                                                                                                   ECUs connected).
                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                      ECUs connected).
                                                                                                                                                              389
                                                                                                                                                            390
   Component
                  DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI       20    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                    PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
TCO1:                                                cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Tachograph                                           Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Output                                               communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                     with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                     cranking. Possible ECAS       connected.                       Resistance measured with key
                                                     suspension        levelling                                    off on wiring between pin B52
                                                     operation problem via                                          and pin B53 must be equal to
                                                     remote control in cab.                                         120 ohm. 3) Impedance
                                                     Speedometer may stay                                           measured between 30—pin
                                                     off.                                                           connector pin 21 (CAN H)
                                                                                                                    and pin 22 (CAN L) must be
                                                                                                                    equal to 60 ohm +/—3%
                                                                                                                    (measured with key off and
                                                                                                                    ECUs connected).
COMMUNICATI       20    05    SUPPLY OVER THE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                    NORMAL RANGE    Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
PTO: Power Take                               cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Off Information                               Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
                                              communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
                                              with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
                                              cranking. Possible ECAS              connected.                       Resistance measured with key
                                              suspension        levelling                                           off on wiring between pin B52
                                              operation problem via                                                 and pin B53 must be equal to
                                              remote control in cab.                                                120 ohm. 3) Impedance
                                              Speedometer may stay                                                  measured between 30—pin
                                              off.                                                                  connector pin 21 (CAN H)
                                                                                                                    and pin 22 (CAN L) must be
                                                                                                                    equal to 60 ohm +/—3%
                                                                                                                    (measured with key off and
                                                                                                                    ECUs connected).
                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              ECUs connected).
                                                                                                                                                      391
                                                                                                                                                            392
   Component
                  DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI       20    06    SUPPLY BELOW THE CAN message appears on              Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                    RANGE            Cluster.CAN messages                CAN line short—circuit to        Resistance measured with key
TCO1:                                          cannot be viewed on                 earth or CAN H and CAN           off directly on EDC ECU
Tachograph                                     Cluster.          Possible          L      lines      reciprocally   between pin B52 (CAN L) and
Output                                         communication problem               short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for                all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS             connected.                       Resistance measured with key
                                               suspension        levelling                                          off on wiring between pin B52
                                               operation problem via                                                and pin B53 must be equal to
                                               remote control in cab.                                               120 ohm. 3) Impedance
                                               Speedometer may stay                                                 measured between 30—pin
                                               off.                                                                 connector pin 21 (CAN H)
                                                                                                                    and pin 22 (CAN L) must be
                                                                                                                    equal to 60 ohm +/—3%
                                                                                                                    (measured with key off and
                                                                                                                    ECUs connected).
COMMUNICATI       20    07    VALUE OVER         THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                    NORMAL LIMIT           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
PTO: Power Take                                      cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Off Information                                      Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                     communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                     with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                     cranking. Possible ECAS       connected.                       Resistance measured with key
                                                     suspension        levelling                                    off on wiring between pin B52
                                                     operation problem via                                          and pin B53 must be equal to
                                                     remote control in cab.                                         120 ohm. 3) Impedance
                                                     Speedometer may stay                                           measured between 30—pin
                                                     off.                                                           connector pin 21 (CAN H)
                                                                                                                    and pin 22 (CAN L) must be
                                                                                                                    equal to 60 ohm +/—3%
                                                                                                                    (measured with key off and
                                                                                                                    ECUs connected).
                                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                      ECUs connected).
RELAY — MAIN      21    00    NO      AVAILABLE The unit remains always Main relay                       is    not    Check         wiring         and     EDC pilot light on.
                              SYMPTOM           supplied and the EDC disconnected                                     connections(note: the main
                                                                                                                                                           The      main      relay is
                                                warning light remains on                                              relay is embedded into the
                                                                                                                                                           incorporated in the EDC
                                                also with an Off keyThe                                               EDC unit).Try and remove the
                                                                                                                                                           gearcase and can’t be
                                                battery discharges.                                                   fuse and put it again in place. If
                                                                                                                                                           individually replaced
                                                                                                                      the inconvenience remains,
                                                                                                                      contact the Help Desk for
                                                                                                                      possible unit replacement.
                                                                                                                                                                                         393
                                                                                                                                                                                   394
  Component
               DTC   FMI           Error type               Visible anomaly               Possible cause               Recommended repairs                      Notes
    failure
RELAY — MAIN   21    01    SHORT CIRCUIT TO The unit remains always Main relay                        is    not Check            wiring        and   EDC pilot light on.
                                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
                           POSITIVE         supplied and the EDC disconnected                                    connections(note: the main
                                                                                                                 relay is embedded into the EDC      The      main      relay is
                                            warning light remains on
                                                                                                                 unit).Try and remove the fuse       incorporated in the EDC
                                            also with an Off keyThe                                              and put it again in place. If the   gearcase and can’t be
                                            battery discharges.                                                  inconvenience remains, contact      individually replaced
                                                                                                                 the Help Desk for possible unit
                                                                                                                 replacement.
RELAY — MAIN   21    02    OPEN CIRCUIT OR The unit remains always                Main      relay     is    not Check            wiring        and   EDC pilot light on.
                           SHORT CIRCUIT TO supplied and the EDC                  disconnected                   connections(note: the main
                                                                                                                 relay is embedded into the EDC      The      main      relay is
                           GROUND           warning light remains on
                                                                                                                 unit).Try and remove the fuse       incorporated in the EDC
                                            also with an Off keyThe                                              and put it again in place. If the   gearcase and can’t be
                                            battery discharges.                                                  inconvenience remains, contact      individually replaced
                                                                                                                 the Help Desk for possible unit
                                                                                                                 replacement.
RELAY — MAIN   21    03    NO SIGNAL                  The unit remains always     Main      relay     is    not Check            wiring        and   EDC pilot light on.
                                                      supplied and the EDC        disconnected                   connections(note: the main
                                                                                                                 relay is embedded into the EDC      The      main      relay is
                                                      warning light remains on
                                                                                                                 unit).Try and remove the fuse       incorporated in the EDC
                                                      also with an Off keyThe                                    and put it again in place. If the   gearcase and can’t be
                                                      battery discharges.                                        inconvenience remains, contact      individually replaced
                                                                                                                 the Help Desk for possible unit
                                                                                                                 replacement.
COMMUNICATI    21    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem: Check CAN VDB line: 1)
ON LINES —                 LIMIT                    Cluster.CAN messages          CAN line short—circuit to Resistance measured with key
TCO1:                                               cannot be viewed on           earth or CAN H and CAN off directly on EDC ECU
Tachograph                                          Cluster.          Possible    L      lines      reciprocally between pin B52 (CAN L) and
Output                                              communication problem         short—circuiting. Check that pin B53 (CAN H) must be equal
                                                                                                                 to 120 ohm. 2) Resistance
                                                    with IMMOBILIZER for          all vehicle ECUs are measured with key off on wiring
                                                    cranking. Possible ECAS       connected.                     between pin B52 and pin B53
                                                    suspension        levelling                                  must be equal to 120 ohm. 3)
                                                    operation problem via                                        Impedance measured between
                                                    remote control in cab.                                       30—pin connector pin 21 (CAN
                                                    Speedometer may stay                                         H) and pin 22 (CAN L) must be
                                                    off.                                                         equal to 60 ohm +/—3%
                                                                                                                 (measured with key off and
                                                                                                                 ECUs connected).
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
PRE—POSTHEAT
                                                     b)Preheating pilot light                         Cluster       active      diagnostic   because     preheating     is
ING                                                                                                   procedure (pre—heater warning
                                                     always off.                                                                             working, but no indications
                                                                                                      light) with a diagnostic tool.         are received from the pilot
                                                                                                                                             light.
SWITCH     —   24    00    NO      AVAILABLE The        programmable                                    Read Body Controller state
SECOND SPEED               SYMPTOM           overspeed       governor                                   parameters (PROGRAMMABLE
LIMITER                                      either doesn’t start or it                                 SPEED LIMITER BUTTON) to
                                                                                                        test correct operation of button.
SWITCH                                       remains always engaged.                                    Check correct on/off switching
                                                                                                        with a multimeter if outcome is
                                                                                                        negative. Run Body Controller
                                                                                                        diagnostic procedure.
                                                                                                                                                                             395
                                                                                                                                                                   396
  Component
               DTC   FMI         Error type               Visible anomaly      Possible cause        Recommended repairs                       Notes
    failure
WARNING        24    01    SHORT CIRCUIT TO a)Preheating pilot light                            1) The pre—heater warning          EDC pilot light off.
                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
LIGHTS     —               POSITIVE         always on                                           light should come on for a few
                                                                                                                                   Possible cold start difficult
PRE—POSTHEAT                                                                                    seconds at key—on (lamp test).
                                                    b)Preheating pilot light                                                       because     preheating     is
ING                                                                                             2) Run Cluster active
                                                    always off.                                                                    working, but no indications
                                                                                                diagnostic           procedure
                                                                                                                                   are received from the pilot
                                                                                                (pre—heater warning light)
                                                                                                                                   light.
                                                                                                with a diagnostic tool.
SWITCH     —   24    01    SHORT CIRCUIT TO The        programmable                             Read Body Controller state
SECOND SPEED               POSITIVE         overspeed       governor                            parameters
LIMITER                                     either doesn’t start or it                          (PROGRAMMABLE SPEED
SWITCH                                      remains always engaged.                             LIMITER BUTTON) to test
                                                                                                correct operation of button.
                                                                                                Check        correct      on/off
                                                                                                switching with a multimeter if
                                                                                                outcome is negative. Run Body
                                                                                                Controller            diagnostic
                                                                                                procedure.
WARNING        24    02    OPEN CIRCUIT OR a)Preheating pilot light                             1) The pre—heater warning          EDC pilot light off.
LIGHTS     —               SHORT CIRCUIT TO always on                                           light should come on for a few
                                                                                                                                   Possible cold start difficult
PRE—POSTHEAT               GROUND                                                               seconds at key—on (lamp test).
                                            b)Preheating pilot light                                                               because     preheating     is
ING                                                                                             2) Run Cluster active
                                            always off.                                                                            working, but no indications
                                                                                                diagnostic           procedure
                                                                                                                                   are received from the pilot
                                                                                                (pre—heater warning light)
                                                                                                                                   light.
                                                                                                with a diagnostic tool.
WARNING        24    03    NO SIGNAL                a)Preheating pilot light                    1) The pre—heater warning          EDC pilot light off.
LIGHTS     —                                        always on                                   light should come on for a few
                                                                                                                                   Possible cold start difficult
PRE—POSTHEAT                                                                                    seconds at key—on (lamp test).
                                                    b)Preheating pilot light                                                       because     preheating     is
ING                                                                                             2) Run Cluster active
                                                    always off.                                                                    working, but no indications
                                                                                                diagnostic           procedure
                                                                                                                                   are received from the pilot
                                                                                                (pre—heater warning light)
                                                                                                                                   light.
                                                                                                with a diagnostic tool.
WARNING        24    04    SIGNAL             NOT a)Preheating pilot light                      1) The pre—heater warning          EDC pilot light off.
LIGHTS     —               PLAUSIBLE              always on                                     light should come on for a few
                                                                                                                                   Possible cold start difficult
PRE—POSTHEAT                                                                                    seconds at key—on (lamp test).
                                                    b)Preheating pilot light                                                       because     preheating     is
ING                                                                                             2) Run Cluster active
                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
                                                                                                   2) Check that the CAN line is
                                                                                                   up: impedance between pin
                                                                                                   21 and pin 22 of the 30—pin
                                                                                                   connector        must       be
                                                                                                   approximately      60     ohm
                                                                                                   (measured with key off and all
                                                                                                   ECUs connected).
                                                                                                                                                                    397
                                                                                                                                          398
   Component
                 DTC   FMI         Error type            Visible anomaly        Possible cause        Recommended repairs         Notes
     failure
WARNING          25    01    SHORT CIRCUIT TO The pilot light either CAN line failure.           1) Run warning light/indicator
                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
LIGHTS       —               POSITIVE         doesn’t work or it remains                         active diagnostics in the
ENGINE BRAKE                                  always lighted up.                                 Cluster diagnostic procedure.
                                                                                                 2) Check that the CAN line is
                                                                                                 up: impedance between pin
                                                                                                 21 and pin 22 of the 30—pin
                                                                                                 connector       must        be
                                                                                                 approximately      60     ohm
                                                                                                 (measured with key off and all
                                                                                                 ECUs connected).
SWITCH     —     25    02    OPEN CIRCUIT OR The         programmable                            Read Body Controller state
SECOND SPEED                 SHORT CIRCUIT TO overspeed       governor                           parameters
LIMITER                      GROUND           either doesn’t start or it                         (PROGRAMMABLE SPEED
SWITCH                                        remains always engaged.                            LIMITER BUTTON) to test
                                                                                                 correct operation of button.
                                                                                                 Check      correct      on/off
                                                                                                 switching with a multimeter if
                                                                                                 outcome is negative. Run Body
                                                                                                 Controller          diagnostic
                                                                                                 procedure.
WARNING          25    02    OPEN CIRCUIT OR The pilot light either CAN line failure.            1) Run warning light/indicator
LIGHTS       —               SHORT CIRCUIT TO doesn’t work or it remains                         active diagnostics in the
ENGINE BRAKE                 GROUND           always lighted up.                                 Cluster diagnostic procedure.
                                                                                                 2) Check that the CAN line is
                                                                                                 up: impedance between pin
                                                                                                 21 and pin 22 of the 30—pin
                                                                                                 connector       must        be
                                                                                                 approximately      60     ohm
                                                                                                 (measured with key off and all
                                                                                                 ECUs connected).
SWITCH     —     25    03    NO SIGNAL             The        programmable                       Read Body Controller state
SECOND SPEED                                       overspeed       governor                      parameters
LIMITER                                            either doesn’t start or it                    (PROGRAMMABLE SPEED
SWITCH                                             remains always engaged.                       LIMITER BUTTON) to test
                                                                                                 correct operation of button.
                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
LIGHTS       —               NORMAL RANGE    doesn’t work or it remains                                active diagnostics in the
ENGINE BRAKE                                 always lighted up.                                        Cluster diagnostic procedure.
                                                                                                       2) Check that the CAN line is
                                                                                                       up: impedance between pin
                                                                                                       21 and pin 22 of the 30—pin
                                                                                                       connector       must        be
                                                                                                       approximately      60     ohm
                                                                                                       (measured with key off and all
                                                                                                       ECUs connected).
                                                                                                                                                399
                                                                                                                                              400
   Component
                 DTC   FMI         Error type               Visible anomaly         Possible cause        Recommended repairs         Notes
     failure
SWITCH     —     25    06    SUPPLY BELOW THE The        programmable                                Read Body Controller state
                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
SECOND SPEED                 RANGE            overspeed       governor                               parameters
LIMITER                                       either doesn’t start or it                             (PROGRAMMABLE SPEED
SWITCH                                        remains always engaged.                                LIMITER BUTTON) to test
                                                                                                     correct operation of button.
                                                                                                     Check      correct      on/off
                                                                                                     switching with a multimeter if
                                                                                                     outcome is negative. Run Body
                                                                                                     Controller          diagnostic
                                                                                                     procedure.
WARNING          25    06    SUPPLY BELOW THE The pilot light either CAN line failure.               1) Run warning light/indicator
LIGHTS       —               RANGE            doesn’t work or it remains                             active diagnostics in the
ENGINE BRAKE                                  always lighted up.                                     Cluster diagnostic procedure.
                                                                                                     2) Check that the CAN line is
                                                                                                     up: impedance between pin
                                                                                                     21 and pin 22 of the 30—pin
                                                                                                     connector       must        be
                                                                                                     approximately      60     ohm
                                                                                                     (measured with key off and all
                                                                                                     ECUs connected).
SWITCH     —     25    07    VALUE OVER         THE The        programmable                          Read Body Controller state
SECOND SPEED                 NORMAL LIMIT           overspeed       governor                         parameters
LIMITER                                             either doesn’t start or it                       (PROGRAMMABLE SPEED
SWITCH                                              remains always engaged.                          LIMITER BUTTON) to test
                                                                                                     correct operation of button.
                                                                                                     Check      correct      on/off
                                                                                                     switching with a multimeter if
                                                                                                     outcome is negative. Run Body
                                                                                                     Controller          diagnostic
                                                                                                     procedure.
WARNING          25    07    VALUE OVER         THE The pilot light either CAN line failure.         1) Run warning light/indicator
LIGHTS       —               NORMAL LIMIT           doesn’t work or it remains                       active diagnostics in the
ENGINE BRAKE                                        always lighted up.                               Cluster diagnostic procedure.
                                                                                                     2) Check that the CAN line is
                                                                                                     up: impedance between pin
                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
WARNING        26    01    SHORT CIRCUIT TO The pilot light either CAN line failure.                         Check that the CAN line is up:
LIGHTS — OIL               POSITIVE         doesn’t work or it remains                                       impedance between pin 21
LOW PRESSURE                                always lighted up.                                               and pin 22 of the 30—pin
                                                                                                             connector        must      be
                                                                                                             approximately      60    ohm
                                                                                                             (measured with key off and all
                                                                                                             ECUs connected). Check
                                                                                                             engine oil level. Run Cluster
                                                                                                             and      Body       Controller
                                                                                                             diagnostic procedures.
                                                                                                                                                                  401
                                                                                                                                                                  402
  Component
               DTC   FMI          Error type            Visible anomaly            Possible cause             Recommended repairs                      Notes
    failure
RELAY — GLOW   26    01    SHORT CIRCUIT TO A) the pre—post heating Pre—post heating resistance         Active diagnosis.                   EDC pilot light on.
                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
PLUG                       POSITIVE         resistance is not powered, control relay faulty.
                                                                                                        Check the wiring between
                                            possible cold start difficult
                                                                                                        relay pin 85 and connector
                                            and grade of smoke when
                                                                                                        EDC pin B4, between relay pin
                                            starting
                                                                                                        86 and connector EDC pin
                                            B)the pre—post heating                                      B16.
                                            resistance     is   always
                                            powered: early wear of
                                            the     resistance,    the
                                            batteries become rapidly
                                            discharged.
WARNING        26    02    OPEN CIRCUIT OR The pilot light either CAN line failure.                     Check that the CAN line is up:
LIGHTS — OIL               SHORT CIRCUIT TO doesn’t work or it remains                                  impedance between pin 21
LOW PRESSURE               GROUND           always lighted up.                                          and pin 22 of the 30—pin
                                                                                                        connector        must      be
                                                                                                        approximately      60    ohm
                                                                                                        (measured with key off and all
                                                                                                        ECUs connected). Check
                                                                                                        engine oil level. Run Cluster
                                                                                                        and      Body       Controller
                                                                                                        diagnostic procedures.
RELAY — GLOW   26    02    OPEN CIRCUIT OR A) the pre—post heating          Pre—post heating resistance Active diagnosis.              EDC pilot light on.
PLUG                       SHORT CIRCUIT TO resistance is not powered,      control relay faulty.
                                                                                                        Check the wiring between
                           GROUND           possible cold start difficult
                                                                                                        relay pin 85 and connector
                                            and grade of smoke when
                                                                                                        EDC pin B4, between relay pin
                                            starting
                                                                                                        86 and connector EDC pin
                                                  B)the pre—post heating                                B16.
                                                  resistance     is   always
                                                  powered: early wear of
                                                  the     resistance,    the
                                                  batteries become rapidly
                                                  discharged.
WARNING        26    03    NO SIGNAL              The pilot light either CAN line failure.              Check that the CAN line is up:
LIGHTS — OIL                                      doesn’t work or it remains                            impedance between pin 21 and
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
WARNING        26    06    SUPPLY BELOW THE The pilot light either CAN line failure.                      Check that the CAN line is up:
LIGHTS — OIL               RANGE            doesn’t work or it remains                                    impedance between pin 21
LOW PRESSURE                                always lighted up.                                            and pin 22 of the 30—pin
                                                                                                          connector        must      be
                                                                                                          approximately      60    ohm
                                                                                                          (measured with key off and all
                                                                                                          ECUs connected). Check
                                                                                                          engine oil level. Run Cluster
                                                                                                          and      Body       Controller
                                                                                                          diagnostic procedures.
                                                                                                                                                                 403
                                                                                                                                                                       404
   Component
                 DTC   FMI           Error type                Visible anomaly               Possible cause             Recommended repairs                 Notes
     failure
WARNING          26    07    VALUE OVER           THE The pilot light either CAN line failure.                    Check that the CAN line is up:
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
LIGHTS — OIL                 NORMAL LIMIT             doesn’t work or it remains                                  impedance between pin 21
LOW PRESSURE                                          always lighted up.                                          and pin 22 of the 30—pin
                                                                                                                  connector        must       be
                                                                                                                  approximately      60     ohm
                                                                                                                  (measured with key off and all
                                                                                                                  ECUs connected). Check
                                                                                                                  engine oil level. Run Cluster
                                                                                                                  and      Body       Controller
                                                                                                                  diagnostic procedures.
WARNING          26    08    VALUE    BELOW       THE The pilot light either          CAN line failure.           1) Run warning light/indicator
LIGHTS       —               LIMIT                    doesn’t work or it remains                                  active diagnostics in the
ENGINE BRAKE                                          always lighted up.                                          Cluster diagnostic procedure.
                                                                                                                  2) Check that the CAN line is
                                                                                                                  up: impedance between pin
                                                                                                                  21 and pin 22 of the 30—pin
                                                                                                                  connector        must       be
                                                                                                                  approximately      60     ohm
                                                                                                                  (measured with key off and all
                                                                                                                  ECUs connected).
WARNING          26    08    VALUE    BELOW       THE The pilot light either          CAN line failure.           Check that the CAN line is up:
LIGHTS — OIL                 LIMIT                    doesn’t work or it remains                                  impedance between pin 21
LOW PRESSURE                                          always lighted up.                                          and pin 22 of the 30—pin
                                                                                                                  connector        must       be
                                                                                                                  approximately      60     ohm
                                                                                                                  (measured with key off and all
                                                                                                                  ECUs connected). Check
                                                                                                                  engine oil level. Run Cluster
                                                                                                                  and      Body       Controller
                                                                                                                  diagnostic procedures.
RELAY — GLOW     27    04    SIGNAL               NOT A) the pre—post heating         Pre—post heating resistance Active diagnosis.              EDC pilot light on.
PLUG                         PLAUSIBLE                resistance is not powered,      control relay faulty.
                                                                                                                  Check the wiring between
                                                      possible cold start difficult
                                                                                                                  relay pin 85 and connector
                                                      and grade of smoke when
                                                                                                                  EDC pin B4, between relay pin
                                                      starting
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                    possible cold start difficult                         Check the wiring between
                                                    and grade of smoke when                               relay pin 85 and connector
                                                    starting                                              EDC pin B4, between relay pin
                                                                                                          86 and connector EDC pin
                                                     B)the pre—post heating                               B16.
                                                     resistance    is    always
                                                     powered: early wear of the
                                                     resistance, the batteries
                                                     become rapidly discharged.
                                                                                                                                                                405
                                                                                                                                                       406
  Component
               DTC   FMI          Error type           Visible anomaly          Possible cause           Recommended repairs                 Notes
    failure
ELECTROVALVE   28    00    NO      AVAILABLE The engine brake is not Positively short—circuited,    Exhaust brake solenoid valve EDC pilot light on.
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
S — ENGINE                 SYMPTOM           operating or is always ground—short—circuited or       active diagnosis
BRAKE                                        activated above 1000 rpm open—circuited engine brake   Reading of status parameters.
                                                                      solenoid valve                If the result is negative, check
                                                                                                    the solenoid valve continuity
                                                                                                    and resistance (R = approx. 35
                                                                                                    Ohm).
                                                                                                    If the solenoid valve is all right,
                                                                                                    check the wiring between
                                                                                                    solenoid valve connection pin
                                                                                                    1 and connector EDC pin B4,
                                                                                                    between solenoid valve
                                                                                                    connection pin 2 and
                                                                                                    connector EDC pin B11.
ELECTROVALVE   28    01    SHORT CIRCUIT TO The engine brake is not Positively short—circuited,     Exhaust brake solenoid valve EDC pilot light on.
S — ENGINE                 POSITIVE         operating or is always ground—short—circuited or        active diagnosis
BRAKE                                       activated above 1000 rpm open—circuited engine brake    Reading of status parameters.
                                                                     solenoid valve                 If the result is negative, check the
                                                                                                    solenoid valve continuity and
                                                                                                    resistance (R = approx. 35
                                                                                                    Ohm).
                                                                                                    If the solenoid valve is all right,
                                                                                                    check the wiring between
                                                                                                    solenoid valve connection pin 1
                                                                                                    and connector EDC pin B4,
                                                                                                    between          solenoid      valve
                                                                                                    connection pin 2 and connector
                                                                                                    EDC pin B11.
ELECTROVALVE   28    02    OPEN CIRCUIT OR The engine brake is not Positively short—circuited,      Exhaust brake solenoid valve EDC pilot light on.
S — ENGINE                 SHORT CIRCUIT TO operating or is always ground—short—circuited or        active diagnosis
BRAKE                      GROUND           activated above 1000 rpm open—circuited engine brake    Reading of status parameters.
                                                                     solenoid valve                 If the result is negative, check
                                                                                                    the solenoid valve continuity
                                                                                                    and resistance (R = approx. 35
                                                                                                    Ohm).
                                                                                                    If the solenoid valve is all right,
                                                                                                    check the wiring between
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                            between          solenoid      valve
                                                                                                            connection pin 2 and connector
                                                                                                            EDC pin B11.
RELAY       —   29    00    NO      AVAILABLE A/C compressor always                                         Check wiring and connections.
AIR—CONDITIO                SYMPTOM           on or not working.                                            Replace relay if required.
NER
COMPRESSOR
RELAY       —   29    01    SHORT CIRCUIT TO A/C compressor always                                          Check wiring and connections.
AIR—CONDITIO                POSITIVE         on or not working.                                             Replace relay if required.
NER
COMPRESSOR
                                                                                                                                                               407
                                                                                                                                                                                      408
  Component
                DTC   FMI           Error type               Visible anomaly           Possible cause              Recommended repairs                              Notes
    failure
ELECTROVALVE    29    06    SUPPLY BELOW THE The engine brake is not Positively short—circuited,            Exhaust brake solenoid valve active         EDC pilot light on.
                                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
S — ENGINE                  RANGE            operating or is always ground—short—circuited or               diagnosis
                                                                                                            Reading of status parameters.
BRAKE                                        activated above 1000 rpm open—circuited engine brake           If the result is negative, check the
                                                                      solenoid valve                        solenoid valve continuity and
                                                                                                            resistance (R = approx. 35 Ohm).
                                                                                                            If the solenoid valve is all right, check
                                                                                                            the wiring between solenoid valve
                                                                                                            connection pin 1 and connector
                                                                                                            EDC pin B4, between solenoid
                                                                                                            valve connection pin 2 and
                                                                                                            connector EDC pin B11.
ELECTROVALVE    29    07    VALUE OVER           THE The engine brake is not Positively short—circuited,    Exhaust brake solenoid valve active         EDC pilot light on.
S — ENGINE                  NORMAL LIMIT             operating or is always ground—short—circuited or       diagnosis
                                                                                                            Reading of status parameters.
BRAKE                                                activated above 1000 rpm open—circuited engine brake   If the result is negative, check the
                                                                              solenoid valve                solenoid valve continuity and
                                                                                                            resistance (R = approx. 35 Ohm).
                                                                                                            If the solenoid valve is all right, check
                                                                                                            the wiring between solenoid valve
                                                                                                            connection pin 1 and connector
                                                                                                            EDC pin B4, between solenoid
                                                                                                            valve connection pin 2 and
                                                                                                            connector EDC pin B11.
ELECTROVALVE    29    08    VALUE    BELOW       THE The engine brake is not Positively short—circuited,    Exhaust brake solenoid valve active         EDC pilot light on.
S — ENGINE                  LIMIT                    operating or is always ground—short—circuited or       diagnosis
                                                                                                            Reading of status parameters.
BRAKE                                                activated above 1000 rpm open—circuited engine brake   If the result is negative, check the
                                                                              solenoid valve                solenoid valve continuity and
                                                                                                            resistance (R = approx. 35 Ohm).
                                                                                                            If the solenoid valve is all right, check
                                                                                                            the wiring between solenoid valve
                                                                                                            connection pin 1 and connector
                                                                                                            EDC pin B4, between solenoid
                                                                                                            valve connection pin 2 and
                                                                                                            connector EDC pin B11.
RELAY       —   2A    00    NO      AVAILABLE a) Heater always engaged. Fuel filter heater relay faulty.    Active diagnosis.                           EDC pilot light off.
HEATED   FUEL               SYMPTOM           The battery becomes                                           Check the wiring between relay pin
                                                                                                            85 and connector EDC pin B2                 a)Possible storage of 2.3
FILTER                                        discharged.                                                   passing through sleeve E pin 38,            because the fuel overheats.
                                                      b)Heater never engaged.                               between relay pin 86 and connector
                                                                                                            EDC pin B36 passing through sleeve
                                                      Possible filter clogging due
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                    b)Heater never engaged.                                    EDC pin B2 passing through
                                                    Possible filter clogging due                               sleeve E pin 38, between relay
                                                    to paraffin traces in the                                  pin 86 and connector EDC pin
                                                    fuel in presence of too low                                B36 passing through sleeve E
                                                    external temperatures (<                                   pin 29.
                                                    —15 °C).
RELAY       —   2A    04    SIGNAL              NOT A/C compressor always                                      Check wiring and connections.
AIR—CONDITIO                PLAUSIBLE               on or not working.                                         Replace relay if required.
NER
COMPRESSOR
                                                                                                                                                                        409
                                                                                                                                                                 410
  Component
                DTC   FMI          Error type             Visible anomaly            Possible cause          Recommended repairs               Notes
    failure
RELAY       —   2A    04    SIGNAL       NOT a) Heater always engaged. Fuel filter heater relay faulty. Active diagnosis.              EDC pilot light off.
                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
HEATED   FUEL               PLAUSIBLE        The battery becomes
                                                                                                        Check the wiring between a)Possible storage of 2.3
FILTER                                       discharged.
                                                                                                        relay pin 85 and connector because the fuel overheats.
                                             b)Heater never engaged.                                    EDC pin B2 passing through
                                             Possible filter clogging due                               sleeve E pin 38, between relay
                                             to paraffin traces in the                                  pin 86 and connector EDC pin
                                             fuel in presence of too low                                B36 passing through sleeve E
                                             external temperatures (<                                   pin 29.
                                             —15 °C).
RELAY       —   2A    05    SUPPLY OVER THE A/C compressor always                                       Check wiring and connections.
AIR—CONDITIO                NORMAL RANGE     on or not working.                                         Replace relay if required.
NER
COMPRESSOR
RELAY       —   2A    05    SUPPLY OVER THE a) Heater always engaged. Fuel filter heater relay faulty. Active diagnosis.              EDC pilot light off.
HEATED FUEL                 NORMAL RANGE     The battery becomes
                                                                                                       Check the wiring between a)Possible storage of 2.3
FILTER                                       discharged.
                                                                                                       relay pin 85 and connector because the fuel overheats.
                                             b)Heater never engaged.                                   EDC pin B2 passing through
                                             Possible filter clogging due                              sleeve E pin 38, between relay
                                             to paraffin traces in the                                 pin 86 and connector EDC pin
                                             fuel in presence of too low                               B36 passing through sleeve E
                                             external temperatures (<                                  pin 29.
                                             —15 °C).
RELAY       —   2A    06    SUPPLY BELOW THE A/C compressor always                                     Check wiring and connections.
AIR—CONDITIO                RANGE            on or not working.                                        Replace relay if required.
NER
COMPRESSOR
RELAY       —   2A    06    SUPPLY BELOW THE a) Heater always engaged. Fuel filter heater relay faulty. Active diagnosis.              EDC pilot light off.
HEATED FUEL                 RANGE            The battery becomes
                                                                                                        Check the wiring between a)Possible storage of 2.3
FILTER                                       discharged.
                                                                                                        relay pin 85 and connector because the fuel overheats.
                                             b)Heater never engaged.                                    EDC pin B2 passing through
                                             Possible filter clogging due                               sleeve E pin 38, between relay
                                             to paraffin traces in the                                  pin 86 and connector EDC pin
                                             fuel in presence of too low                                B36 passing through sleeve E
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              (+) of the resistance, passing
                                                                                                              through sleeve E pin 40.
                                                                                                                Check wiring and connections
                                                                                                                between terminal (—) of the
                                                                                                                resistance and earth.
RELAY — START    2B    01    SHORT CIRCUIT TO The engine doesn’t start.           Starter relay short—circuited Check the component is all EDC pilot light on.
                             POSITIVE                                             or open—circuited.            right.
                                              In case it is already running,
                                              it stops.                                                       Check the wiring between
                                                                                                              relay and connector EDC pin
                                                                                                              B37.
                                                                                                                                                                                411
                                                                                                                                                                     412
  Component
                DTC   FMI          Error type              Visible anomaly               Possible cause             Recommended repairs                   Notes
    failure
ENGINE     —    2B    01    SHORT CIRCUIT TO Possible grade of smoke Pre—post heating procedure Check that the cables are EDC pilot light on.
                                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
CONTROL                     POSITIVE         after starting.         monitoring.                properly connected to the
SYSTEM                                                                                          pre—post heating resistance The gearcase doesn’t detect,
                                                                                                terminals.                           by means of the air
PRE—POSTHEAT
                                                                                                                                     temperature sensor in the
ING                                                                                             Check that the pre—post heating suction          manifold,   the
                                                                                                resistance is all right (R = approx. increase in the temperature
                                                                                                0,5 Ohm)
                                                                                                                                     due to the operation of the
                                                                                                Check wiring and connections resistance.
                                                                                                between the pre—post heating
                                                                                                resistance remote control switch
                                                                                                pin 87 and the terminal (+) of
                                                                                                the resistance, passing through
                                                                                                sleeve E pin 40.
                                                                                                    Check wiring and connections
                                                                                                    between terminal (—) of the
                                                                                                    resistance and earth.
RELAY — START   2B    02    OPEN CIRCUIT OR The engine doesn’t start. Starter relay short—circuited Check the component is all right. EDC pilot light on.
                            SHORT CIRCUIT TO                                or open—circuited.      Check the wiring between relay
                                             In case it is already running,
                            GROUND                                                                  and connector EDC pin B37.
                                             it stops.
ENGINE     —    2B    02    OPEN CIRCUIT OR Possible grade of smoke Pre—post heating procedure Check that the cables are EDC pilot light on.
CONTROL                     SHORT CIRCUIT TO after starting.        monitoring.                properly connected to the
SYSTEM                      GROUND                                                             pre—post heating resistance The gearcase doesn’t detect,
                                                                                               terminals.                           by means of the air
PRE—POSTHEAT
                                                                                                                                    temperature sensor in the
ING                                                                                            Check that the pre—post heating suction          manifold,   the
                                                                                               resistance is all right (R = approx. increase in the temperature
                                                                                               0,5 Ohm)
                                                                                                                                    due to the operation of the
                                                                                               Check wiring and connections resistance.
                                                                                               between the pre—post heating
                                                                                               resistance remote control switch
                                                                                               pin 87 and the terminal (+) of
                                                                                               the resistance, passing through
                                                                                               sleeve E pin 40.
                                                                                                             Check wiring and connections
                                                                                                             between terminal (—) of the
                                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
FILTER                                                 discharged.                                                pin 85 and connector EDC pin
                                                                                                                  B2 passing through sleeve E pin        because the fuel overheats.
                                                       b)Heater never engaged.                                    38, between relay pin 86 and
                                                       Possible filter clogging due                               connector EDC pin B36 passing
                                                       to paraffin traces in the fuel                             through sleeve E pin 29.
                                                       in presence of too low
                                                       external temperatures (<
                                                       —15 °C).
RELAY — START   2B    08    VALUE    BELOW       THE   The engine doesn’t start. Starter relay short—circuited Check the component is all right.         EDC pilot light on.
                            LIMIT                      In case it is already running, or open—circuited.          Check the wiring between relay
                                                       it stops.                                                  and connector EDC pin B37.
                                                                                                                                                                                        413
                                                                                                                                                                       414
  Component
                DTC   FMI         Error type           Visible anomaly          Possible cause              Recommended repairs                     Notes
    failure
SENSORS     —   2C    00    NO      AVAILABLE Slight power reduction     Positively short—circuited,   Reading      of     measurable   EDC pilot light off.
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
BOOST    AIR                SYMPTOM                                      ground—short—circuited or     parameters by means of the
                                                                                                                                        The temperature sensor is
TEMPERATURE                                                              open—circuited          air   diagnostic instrument: in
                                                                                                                                        incorporated in the pressure
                                                                         tempe?rature sensor on        presence of this error, the
                                                                                                                                        one.
                                                                         suction manifold              supercharging air temperature
                                                                                                       will be fixed at 30 °C.
                                                                                                       If the temperature is fixed at
                                                                                                       30 °C, check the sensor is all
                                                                                                       right
                                                                                                       (R = approx. 2,5 kOhm at 20
                                                                                                       °C) pins 1 and 2 of the sensor
                                                                                                       itself.
                                                                                                       If the sensor is not damaged,
                                                                                                       check the wiring between the
                                                                                                       sensor connector (wiring side)
                                                                                                       pin 1 and connector EDC pin
                                                                                                       C21,       between      sensor
                                                                                                       connector (wiring side) pin 2
                                                                                                       and connector EDC pin C29.
SENSORS     —   2C    01    SHORT CIRCUIT TO Slight power reduction      Positively short—circuited,   Reading      of     measurable   EDC pilot light off.
BOOST    AIR                POSITIVE                                     ground—short—circuited or     parameters by means of the
                                                                                                                                        The temperature sensor is
TEMPERATURE                                                              open—circuited          air   diagnostic instrument: in
                                                                                                                                        incorporated in the pressure
                                                                         tempe?rature sensor on        presence of this error, the
                                                                                                                                        one.
                                                                         suction manifold              supercharging air temperature
                                                                                                       will be fixed at 30 °C.
                                                                                                       If the temperature is fixed at
                                                                                                       30 °C, check the sensor is all
                                                                                                       right
                                                                                                       (R = approx. 2,5 kOhm at 20
                                                                                                       °C) pins 1 and 2 of the sensor
                                                                                                       itself.
                                                                                                       If the sensor is not damaged,
                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                       °C) pins 1 and 2 of the sensor
                                                                                                       itself.
                                                                                                       If the sensor is not damaged,
                                                                                                       check the wiring between the
                                                                                                       sensor connector (wiring side)
                                                                                                       pin 1 and connector EDC pin
                                                                                                       C21, between sensor connector
                                                                                                       (wiring side) pin 2 and
                                                                                                       connector EDC pin C29.
                                                                                                                                                                       415
                                                                                                                                                                              416
  Component
                DTC   FMI         Error type                Visible anomaly             Possible cause             Recommended repairs                     Notes
    failure
ENGINE     —    2C    04    SIGNAL             NOT Possible grade of smoke Pre—post heating procedure Check that the cables are EDC pilot light on.
                                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
CONTROL                     PLAUSIBLE              after starting.         monitoring.                properly connected to the
                                                                                                                                         The gearcase doesn’t detect,
SYSTEM                                                                                                pre—post heating resistance
                                                                                                                                         by means of the air
PRE—POSTHEAT                                                                                          terminals.
                                                                                                                                         temperature sensor in the
ING
                                                                                                      Check that the pre—post suction                manifold,   the
                                                                                                      heating resistance is all right (R increase in the temperature
                                                                                                      = approx. 0,5 Ohm)                 due to the operation of the
                                                                                                                                         resistance.
                                                                                                      Check wiring and connections
                                                                                                      between the pre—post heating
                                                                                                      resistance remote control
                                                                                                      switch pin 87 and the terminal
                                                                                                      (+) of the resistance, passing
                                                                                                      through sleeve E pin 40.
                                                                                                              Check wiring and connections
                                                                                                              between terminal (—) of the
                                                                                                              resistance and earth.
SENSORS     —   2C    04    SIGNAL             NOT Slight power reduction       Positively short—circuited,   Reading      of     measurable   EDC pilot light off.
BOOST    AIR                PLAUSIBLE                                           ground—short—circuited or     parameters by means of the
                                                                                                                                               The temperature sensor is
TEMPERATURE                                                                     open—circuited          air   diagnostic instrument: in
                                                                                                                                               incorporated in the pressure
                                                                                tempe?rature sensor on        presence of this error, the
                                                                                                                                               one.
                                                                                suction manifold              supercharging air temperature
                                                                                                              will be fixed at 30 °C.
                                                                                                              If the temperature is fixed at
                                                                                                              30 °C, check the sensor is all
                                                                                                              right
                                                                                                              (R = approx. 2,5 kOhm at 20
                                                                                                              °C) pins 1 and 2 of the sensor
                                                                                                              itself.
                                                                                                              If the sensor is not damaged,
                                                                                                              check the wiring between the
                                                                                                              sensor connector (wiring side)
                                                                                                              pin 1 and connector EDC pin
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                           If the sensor is not damaged,
                                                                                                           check the wiring between the
                                                                                                           sensor connector (wiring side)
                                                                                                           pin 1 and connector EDC pin
                                                                                                           C21,      between      sensor
                                                                                                           connector (wiring side) pin 2
                                                                                                           and connector EDC pin C29.
                                                                                                                                                                           417
                                                                                                                                                                            418
  Component
                DTC   FMI          Error type              Visible anomaly           Possible cause              Recommended repairs                     Notes
    failure
ENGINE     —    2C    06    SUPPLY BELOW THE Possible grade of smoke Pre—post heating procedure Check that the cables are EDC pilot light on.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
CONTROL                     RANGE            after starting.         monitoring.                properly connected to the
                                                                                                                                   The gearcase doesn’t detect,
SYSTEM                                                                                          pre—post heating resistance
                                                                                                                                   by means of the air
PRE—POSTHEAT                                                                                    terminals.
                                                                                                                                   temperature sensor in the
ING
                                                                                                Check that the pre—post suction                manifold,   the
                                                                                                heating resistance is all right (R increase in the temperature
                                                                                                = approx. 0,5 Ohm)                 due to the operation of the
                                                                                                                                   resistance.
                                                                                                Check wiring and connections
                                                                                                between the pre—post heating
                                                                                                resistance remote control
                                                                                                switch pin 87 and the terminal
                                                                                                (+) of the resistance, passing
                                                                                                through sleeve E pin 40.
                                                                                                            Check wiring and connections
                                                                                                            between terminal (—) of the
                                                                                                            resistance and earth.
SENSORS     —   2C    06    SUPPLY BELOW THE Slight power reduction           Positively short—circuited,   Reading      of     measurable   EDC pilot light off.
BOOST    AIR                RANGE                                             ground—short—circuited or     parameters by means of the
                                                                                                                                             The temperature sensor is
TEMPERATURE                                                                   open—circuited          air   diagnostic instrument: in
                                                                                                                                             incorporated in the pressure
                                                                              tempe?rature sensor on        presence of this error, the
                                                                                                                                             one.
                                                                              suction manifold              supercharging air temperature
                                                                                                            will be fixed at 30 °C.
                                                                                                            If the temperature is fixed at
                                                                                                            30 °C, check the sensor is all
                                                                                                            right
                                                                                                            (R = approx. 2,5 kOhm at 20
                                                                                                            °C) pins 1 and 2 of the sensor
                                                                                                            itself.
                                                                                                            If the sensor is not damaged,
                                                                                                            check the wiring between the
                                                                                                            sensor connector (wiring side)
                                                                                                            pin 1 and connector EDC pin
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                            If the sensor is not damaged,
                                                                                                            check the wiring between the
                                                                                                            sensor connector (wiring side)
                                                                                                            pin 1 and connector EDC pin
                                                                                                            C21,      between      sensor
                                                                                                            connector (wiring side) pin 2
                                                                                                            and connector EDC pin C29.
                                                                                                                                                                            419
                                                                                                                                                                               420
  Component
                DTC   FMI           Error type               Visible anomaly             Possible cause             Recommended repairs                     Notes
    failure
ENGINE     —    2C    08    VALUE    BELOW       THE Possible grade of smoke Pre—post heating procedure Check that the cables are EDC pilot light on.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
CONTROL                     LIMIT                    after starting.         monitoring.                properly connected to the
                                                                                                                                           The gearcase doesn’t detect,
SYSTEM                                                                                                  pre—post heating resistance
                                                                                                                                           by means of the air
PRE—POSTHEAT                                                                                            terminals.
                                                                                                                                           temperature sensor in the
ING
                                                                                                        Check that the pre—post suction                manifold,   the
                                                                                                        heating resistance is all right (R increase in the temperature
                                                                                                        = approx. 0,5 Ohm)                 due to the operation of the
                                                                                                                                           resistance.
                                                                                                        Check wiring and connections
                                                                                                        between the pre—post heating
                                                                                                        resistance remote control
                                                                                                        switch pin 87 and the terminal
                                                                                                        (+) of the resistance, passing
                                                                                                        through sleeve E pin 40.
                                                                                                               Check wiring and connections
                                                                                                               between terminal (—) of the
                                                                                                               resistance and earth.
SENSORS     —   2C    08    VALUE    BELOW       THE Slight power reduction      Positively short—circuited,   Reading      of     measurable   EDC pilot light off.
BOOST    AIR                LIMIT                                                ground—short—circuited or     parameters by means of the
                                                                                                                                                The temperature sensor is
TEMPERATURE                                                                      open—circuited          air   diagnostic instrument: in
                                                                                                                                                incorporated in the pressure
                                                                                 tempe?rature sensor on        presence of this error, the
                                                                                                                                                one.
                                                                                 suction manifold              supercharging air temperature
                                                                                                               will be fixed at 30 °C.
                                                                                                               If the temperature is fixed at
                                                                                                               30 °C, check the sensor is all
                                                                                                               right
                                                                                                               (R = approx. 2,5 kOhm at 20
                                                                                                               °C) pins 1 and 2 of the sensor
                                                                                                               itself.
                                                                                                               If the sensor is not damaged,
                                                                                                               check the wiring between the
                                                                                                               sensor connector (wiring side)
                                                                                                               pin 1 and connector EDC pin
                                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
                                                                                                      up: impedance between pin
                                                                                                      21 and pin 22 of the 30—pin
                                                                                                      connector       must        be
                                                                                                      approximately      60     ohm
                                                                                                      (measured with key off and all
                                                                                                      ECUs connected).
                                                                                                                                                                          421
                                                                                                                                                                          422
  Component
                DTC   FMI         Error type           Visible anomaly          Possible cause             Recommended repairs                      Notes
    failure
ENGINE     —    2D    01    SHORT CIRCUIT TO Light power reduction.      No plausibility between the Presence of error 6.3 alone is    EDC pilot light on.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
ENGINE SPEED                POSITIVE                                     flywheel sensor and the not significant: clear failure
                                                                                                                                       Sometimes only the error
SENSING                                                                  camshaft sensor signals.    memory and pass the vehicle
                                                                                                                                       6.3 is stored, whereas
                                                                                                     in this case. Error 6.3 is
                                                                                                                                       actually it is the camshaft
                                                                                                     significant when it appears
                                                                                                                                       signal that is faulty.
                                                                                                     along with error 6.1 and/or
                                                                                                     6.2. Read failure memory:         In this case carry out the
                                                                                                     check            environmental    inspections foreseen to
                                                                                                     conditions associated to error.   solve problem 6.2
                                                                                                     Delete error if stored at
                                                                                                                                       This error might be stored
                                                                                                     engine speed less than 650
                                                                                                                                       now and then in case of
                                                                                                     rpm, clear failure memory and
                                                                                                                                       engine stop using the
                                                                                                     pass the vehicle. Otherwise,
                                                                                                                                       under—cabin push—button.
                                                                                                     check integrity of damper
                                                                                                     flywheel and camshaft phonic      If the damper flywheel is
                                                                                                     wheel, cleanness and correct      worn, it will be locally
                                                                                                     fastening of the two sensors.     deformed and, if the case
                                                                                                                                       mating areas have begun
                                                                                                                                       yielding, signs of silicone will
                                                                                                                                       the visible in the surrounding
                                                                                                                                       zone.
                                                                                                                                       Check that on the phonic
                                                                                                                                       wheel there are no shreds of
                                                                                                                                       adhesive tape and that it
                                                                                                                                       turns with no axial
                                                                                                                                       oscillations due to possible
                                                                                                                                       impact—strains.
WARNING         2D    01    SHORT CIRCUIT TO The pilot light either CAN line failure.                 1) Run warning light/indicator
LIGHTS      —               POSITIVE         doesn’t work or it remains                               active diagnostics in the
COOLANT                                      always lighted up.                                       Cluster diagnostic procedure.
TEMPERATURE                                                                                           2) Check that the CAN line is
                                                                                                      up: impedance between pin
                                                                                                      21 and pin 22 of the 30—pin
                                                                                                      connector       must        be
                                                                                                      approximately      60     ohm
                                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                        (measured with key off and all
                                                                                                        ECUs connected).
WARNING         2D    03    NO SIGNAL            The pilot light either CAN line failure.               1) Run warning light/indicator
LIGHTS      —                                    doesn’t work or it remains                             active diagnostics in the Cluster
COOLANT                                          always lighted up.                                     diagnostic procedure. 2) Check
TEMPERATURE                                                                                             that the CAN line is up:
                                                                                                        impedance between pin 21 and
                                                                                                        pin 22 of the 30—pin connector
                                                                                                        must be approximately 60 ohm
                                                                                                        (measured with key off and all
                                                                                                        ECUs connected).
                                                                                                                                                                               423
                                                                                                                                                                             424
  Component
                DTC   FMI         Error type              Visible anomaly          Possible cause             Recommended repairs                      Notes
    failure
ENGINE     —    2D    03    NO VALID SIGNAL Light power reduction.          No plausibility between the Presence of error 6.3 alone is    EDC pilot light on.
                                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
ENGINE SPEED                FROM CRK SENSOR                                 flywheel sensor and the not significant: clear failure
                                                                                                                                          Sometimes only the error
SENSING                                                                     camshaft sensor signals.    memory and pass the vehicle
                                                                                                                                          6.3 is stored, whereas
                                                                                                        in this case. Error 6.3 is
                                                                                                                                          actually it is the camshaft
                                                                                                        significant when it appears
                                                                                                                                          signal that is faulty.
                                                                                                        along with error 6.1 and/or
                                                                                                        6.2. Read failure memory:         In this case carry out the
                                                                                                        check            environmental    inspections foreseen to
                                                                                                        conditions associated to error.   solve problem 6.2
                                                                                                        Delete error if stored at
                                                                                                                                          This error might be stored
                                                                                                        engine speed less than 650
                                                                                                                                          now and then in case of
                                                                                                        rpm, clear failure memory and
                                                                                                                                          engine stop using the
                                                                                                        pass the vehicle. Otherwise,
                                                                                                                                          under—cabin push—button.
                                                                                                        check integrity of damper
                                                                                                        flywheel and camshaft phonic      If the damper flywheel is
                                                                                                        wheel, cleanness and correct      worn, it will be locally
                                                                                                        fastening of the two sensors.     deformed and, if the case
                                                                                                                                          mating areas have begun
                                                                                                                                          yielding, signs of silicone will
                                                                                                                                          the visible in the surrounding
                                                                                                                                          zone.
                                                                                                                                          Check that on the phonic
                                                                                                                                          wheel there are no shreds of
                                                                                                                                          adhesive tape and that it
                                                                                                                                          turns with no axial
                                                                                                                                          oscillations due to possible
                                                                                                                                          impact—strains.
WARNING         2D    04    SIGNAL             NOT The pilot light either CAN line failure.              1) Run warning light/indicator
LIGHTS      —               PLAUSIBLE              doesn’t work or it remains                            active diagnostics in the
COOLANT                                            always lighted up.                                    Cluster diagnostic procedure.
TEMPERATURE                                                                                              2) Check that the CAN line is
                                                                                                         up: impedance between pin
                                                                                                         21 and pin 22 of the 30—pin
                                                                                                         connector       must        be
                                                                                                         approximately      60     ohm
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                         up: impedance between pin
                                                                                                         21 and pin 22 of the 30—pin
                                                                                                         connector       must        be
                                                                                                         approximately      60     ohm
                                                                                                         (measured with key off and all
                                                                                                         ECUs connected).
                                                                                                                                                                             425
                                                                                                                                                                       426
  Component
               DTC   FMI         Error type         Visible anomaly          Possible cause             Recommended repairs                      Notes
    failure
ENGINE     —   2D    05    SUPPLY OVER THE Light power reduction.     No plausibility between the Presence of error 6.3 alone is    EDC pilot light on.
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
ENGINE SPEED               NORMAL RANGE                               flywheel sensor and the not significant: clear failure
                                                                                                                                    Sometimes only the error
SENSING                                                               camshaft sensor signals.    memory and pass the vehicle
                                                                                                                                    6.3 is stored, whereas
                                                                                                  in this case. Error 6.3 is
                                                                                                                                    actually it is the camshaft
                                                                                                  significant when it appears
                                                                                                                                    signal that is faulty.
                                                                                                  along with error 6.1 and/or
                                                                                                  6.2. Read failure memory:         In this case carry out the
                                                                                                  check            environmental    inspections foreseen to
                                                                                                  conditions associated to error.   solve problem 6.2
                                                                                                  Delete error if stored at
                                                                                                                                    This error might be stored
                                                                                                  engine speed less than 650
                                                                                                                                    now and then in case of
                                                                                                  rpm, clear failure memory and
                                                                                                                                    engine stop using the
                                                                                                  pass the vehicle. Otherwise,
                                                                                                                                    under—cabin push—button.
                                                                                                  check integrity of damper
                                                                                                  flywheel and camshaft phonic      If the damper flywheel is
                                                                                                  wheel, cleanness and correct      worn, it will be locally
                                                                                                  fastening of the two sensors.     deformed and, if the case
                                                                                                                                    mating areas have begun
                                                                                                                                    yielding, signs of silicone will
                                                                                                                                    the visible in the surrounding
                                                                                                                                    zone.
                                                                                                                                    Check that on the phonic
                                                                                                                                    wheel there are no shreds of
                                                                                                                                    adhesive tape and that it
                                                                                                                                    turns with no axial
                                                                                                                                    oscillations due to possible
                                                                                                                                    impact—strains.
                                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                        427
                                                                                                                                                                           428
  Component
               DTC   FMI        Error type              Visible anomaly          Possible cause             Recommended repairs                      Notes
    failure
ENGINE     —   2D    07    VALUE OVER        THE Light power reduction.   No plausibility between the Presence of error 6.3 alone is    EDC pilot light on.
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
ENGINE SPEED               NORMAL LIMIT                                   flywheel sensor and the not significant: clear failure
                                                                                                                                        Sometimes only the error
SENSING                                                                   camshaft sensor signals.    memory and pass the vehicle
                                                                                                                                        6.3 is stored, whereas
                                                                                                      in this case. Error 6.3 is
                                                                                                                                        actually it is the camshaft
                                                                                                      significant when it appears
                                                                                                                                        signal that is faulty.
                                                                                                      along with error 6.1 and/or
                                                                                                      6.2. Read failure memory:         In this case carry out the
                                                                                                      check            environmental    inspections foreseen to
                                                                                                      conditions associated to error.   solve problem 6.2
                                                                                                      Delete error if stored at
                                                                                                                                        This error might be stored
                                                                                                      engine speed less than 650
                                                                                                                                        now and then in case of
                                                                                                      rpm, clear failure memory and
                                                                                                                                        engine stop using the
                                                                                                      pass the vehicle. Otherwise,
                                                                                                                                        under—cabin push—button.
                                                                                                      check integrity of damper
                                                                                                      flywheel and camshaft phonic      If the damper flywheel is
                                                                                                      wheel, cleanness and correct      worn, it will be locally
                                                                                                      fastening of the two sensors.     deformed and, if the case
                                                                                                                                        mating areas have begun
                                                                                                                                        yielding, signs of silicone will
                                                                                                                                        the visible in the surrounding
                                                                                                                                        zone.
                                                                                                                                        Check that on the phonic
                                                                                                                                        wheel there are no shreds of
                                                                                                                                        adhesive tape and that it
                                                                                                                                        turns with no axial
                                                                                                                                        oscillations due to possible
                                                                                                                                        impact—strains.
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                     approximately     60     ohm
                                                                                                     (measured with key off and all
                                                                                                     ECUs      connected).    Run
                                                                                                     Cluster and Body Controller
                                                                                                     diagnostic procedures.
                                                                                                                                                                         429
                                                                                                                                                      430
   Component
                DTC   FMI          Error type             Visible anomaly             Possible cause             Recommended repairs          Notes
     failure
ELECTROVALVE    2E    00    NO      AVAILABLE Significant               power Positively short—circuited,   Check that the connector is
                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
S    —   FUEL               SYMPTOM           reduction.                      ground short—circuited or     properly connected to the
PRESSURE                                                                      open—circuited   pressure     pressure regulator.
REGULATION                                                                    regulator                     Check by means of a
                                                                                                            multimeter that the pressure
                                                                                                            regulator solenoid valve is all
                                                                                                            right (r = APPROX. 3,2 Ohm).
                                                                                                   If the component is all right,
                                                                                                   check the wiring between the
                                                                                                   pressure regulator connector
                                                                                                   and the connector EDC pin
                                                                                                   C5—C7.
WARNING         2E    01    SHORT CIRCUIT TO The pilot light either CAN line failure.              Check that the CAN line is up:
LIGHTS — EDC                POSITIVE         doesn’t work or it remains                            impedance between pin 21
                                             always lighted up.                                    and pin 22 of the 30—pin
                                                                                                   connector       must        be
                                                                                                   approximately     60     ohm
                                                                                                   (measured with key off and all
                                                                                                   ECUs       connected).    Run
                                                                                                   Cluster and Body Controller
                                                                                                   diagnostic procedures.
ELECTROVALVE    2E    01    SHORT CIRCUIT TO Significant         power Positively short—circuited, Check that the connector is
S    —   FUEL               POSITIVE         reduction.                 ground short—circuited or properly connected to the
PRESSURE                                                                open—circuited   pressure pressure regulator.
REGULATION                                                              regulator                  Check by means of a
                                                                                                   multimeter that the pressure
                                                                                                   regulator solenoid valve is all
                                                                                                   right (r = APPROX. 3,2 Ohm).
                                                                                                            If the component is all right,
                                                                                                            check the wiring between the
                                                                                                            pressure regulator connector
                                                                                                            and the connector EDC pin
                                                                                                            C5—C7.
WARNING         2E    02    OPEN CIRCUIT OR The pilot light either CAN line failure.                        Check that the CAN line is up:
LIGHTS — EDC                SHORT CIRCUIT TO doesn’t work or it remains                                     impedance between pin 21
                            GROUND           always lighted up.                                             and pin 22 of the 30—pin
                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
WARNING         2E    06    SUPPLY BELOW THE The pilot light either CAN line failure.                 Check that the CAN line is up:
LIGHTS — EDC                RANGE            doesn’t work or it remains                               impedance between pin 21 and
                                             always lighted up.                                       pin 22 of the 30—pin connector
                                                                                                      must be approximately 60 ohm
                                                                                                      (measured with key off and all
                                                                                                      ECUs connected). Run Cluster
                                                                                                      and Body Controller diagnostic
                                                                                                      procedures.
                                                                                                                                                  431
                                                                                                                                               432
   Component
                DTC   FMI           Error type              Visible anomaly          Possible cause        Recommended repairs         Notes
     failure
WARNING         2E    07    VALUE OVER           THE The pilot light either CAN line failure.         1) Run warning light/indicator
                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
LIGHTS      —               NORMAL LIMIT             doesn’t work or it remains                       active diagnostics in the
COOLANT                                              always lighted up.                               Cluster diagnostic procedure.
TEMPERATURE                                                                                           2) Check that the CAN line is
                                                                                                      up: impedance between pin
                                                                                                      21 and pin 22 of the 30—pin
                                                                                                      connector       must        be
                                                                                                      approximately      60     ohm
                                                                                                      (measured with key off and all
                                                                                                      ECUs connected).
WARNING         2E    07    VALUE OVER           THE The pilot light either CAN line failure.         Check that the CAN line is up:
LIGHTS — EDC                NORMAL LIMIT             doesn’t work or it remains                       impedance between pin 21
                                                     always lighted up.                               and pin 22 of the 30—pin
                                                                                                      connector       must        be
                                                                                                      approximately      60     ohm
                                                                                                      (measured with key off and all
                                                                                                      ECUs      connected).     Run
                                                                                                      Cluster and Body Controller
                                                                                                      diagnostic procedures.
WARNING         2E    08    VALUE    BELOW       THE The pilot light either CAN line failure.         1) Run warning light/indicator
LIGHTS      —               LIMIT                    doesn’t work or it remains                       active diagnostics in the
COOLANT                                              always lighted up.                               Cluster diagnostic procedure.
TEMPERATURE                                                                                           2) Check that the CAN line is
                                                                                                      up: impedance between pin
                                                                                                      21 and pin 22 of the 30—pin
                                                                                                      connector       must        be
                                                                                                      approximately      60     ohm
                                                                                                      (measured with key off and all
                                                                                                      ECUs connected).
WARNING         2E    08    VALUE    BELOW       THE The pilot light either CAN line failure.         Check that the CAN line is up:
LIGHTS — EDC                LIMIT                    doesn’t work or it remains                       impedance between pin 21
                                                     always lighted up.                               and pin 22 of the 30—pin
                                                                                                      connector       must        be
                                                                                                      approximately      60     ohm
                                                                                                      (measured with key off and all
                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                            regulator solenoid valve is all
                                                                                                            right (r = APPROX. 3,2 Ohm).
                                                                                                              If the component is all right,
                                                                                                              check the wiring between the
                                                                                                              pressure regulator connector
                                                                                                              and the connector EDC pin
                                                                                                              C5—C7.
                                                                                                                                                       433
                                                                                                                                                     434
  Component
                DTC   FMI         Error type              Visible anomaly              Possible cause            Recommended repairs         Notes
    failure
ELECTROVALVE    2F    05    SUPPLY OVER THE Significant                 power Positively short—circuited, Check that the connector is
                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
S    —   FUEL               NORMAL RANGE    reduction.                        ground short—circuited or properly connected to the
PRESSURE                                                                      open—circuited   pressure pressure regulator.
REGULATION                                                                    regulator
                                                                                                          Check by means of a
                                                                                                          multimeter that the pressure
                                                                                                          regulator solenoid valve is all
                                                                                                          right (r = APPROX. 3,2 Ohm).
                                                                                                          If the component is all right,
                                                                                                          check the wiring between the
                                                                                                          pressure regulator connector
                                                                                                          and the connector EDC pin
                                                                                                          C5—C7.
ELECTROVALVE    2F    06    SUPPLY BELOW THE Significant                power Positively short—circuited, Check that the connector is
S    —   FUEL               RANGE            reduction.                       ground short—circuited or properly connected to the
PRESSURE                                                                      open—circuited   pressure pressure regulator.
REGULATION                                                                    regulator
                                                                                                          Check by means of a
                                                                                                          multimeter that the pressure
                                                                                                          regulator solenoid valve is all
                                                                                                          right (r = APPROX. 3,2 Ohm).
                                                                                                          If the component is all right,
                                                                                                          check the wiring between the
                                                                                                          pressure regulator connector
                                                                                                          and the connector EDC pin
                                                                                                          C5—C7.
ELECTROVALVE    2F    07    VALUE OVER         THE Significant          power Positively short—circuited, Check that the connector is
S    —   FUEL               NORMAL LIMIT           reduction.                 ground short—circuited or properly connected to the
PRESSURE                                                                      open—circuited   pressure pressure regulator.
REGULATION                                                                    regulator
                                                                                                          Check by means of a
                                                                                                          multimeter that the pressure
                                                                                                          regulator solenoid valve is all
                                                                                                          right (r = APPROX. 3,2 Ohm).
                                                                                                            If the component is all right,
                                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                               435
                                                                                                                                                                   436
  Component
                DTC   FMI         Error type        Visible anomaly            Possible cause               Recommended repairs                 Notes
    failure
ENGINE      —   30    01    SHORT CIRCUIT TO The speed          indicator Speed indicator       signal Check the wiring between pin Check CAN VDB line: 1)
                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
POWER STAGE                 POSITIVE         doesn’t work.                short—circuited          or 3 of the instrument and Resistance measured with
FOR TD SIGNAL                                                             open—circuited.              connector EDC pin B49.       key off directly on EDC ECU
                                                                                                                                    between pin B52 (CAN L)
                                                                                                                                    and pin B53 (CAN H) must
                                                                                                                                    be equal to 120 ohm. 2)
                                                                                                                                    Resistance measured with
                                                                                                                                    key off on wiring between
                                                                                                                                    pin B52 and pin B53 must be
                                                                                                                                    equal to 120 ohm. 3)
                                                                                                                                    Impedance           measured
                                                                                                                                    between 30—pin connector
                                                                                                                                    pin 21 (CAN H) and pin 22
                                                                                                                                    (CAN L) must be equal to
                                                                                                                                    60 ohm +/—3% (measured
                                                                                                                                    with key off and ECUs
                                                                                                                                    connected).
ENGINE      —   30    02    OPEN CIRCUIT OR The speed           indicator Speed indicator       signal Check the wiring between pin Check CAN VDB line: 1)
POWER STAGE                 SHORT CIRCUIT TO doesn’t work.                short—circuited          or 3 of the instrument and Resistance measured with
FOR TD SIGNAL               GROUND                                        open—circuited.              connector EDC pin B49.       key off directly on EDC ECU
                                                                                                                                    between pin B52 (CAN L)
                                                                                                                                    and pin B53 (CAN H) must
                                                                                                                                    be equal to 120 ohm. 2)
                                                                                                                                    Resistance measured with
                                                                                                                                    key off on wiring between
                                                                                                                                    pin B52 and pin B53 must be
                                                                                                                                    equal to 120 ohm. 3)
                                                                                                                                    Impedance           measured
                                                                                                                                    between 30—pin connector
                                                                                                                                    pin 21 (CAN H) and pin 22
                                                                                                                                    (CAN L) must be equal to
                                                                                                                                    60 ohm +/—3% (measured
                                                                                                                                    with key off and ECUs
                                                                                                                                    connected).
                                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
(MODUS)                                                                                                 sleeve B pin 11, is all right.
ENGINE      —   31    03    NO SIGNAL                                      EDC      to      diagnostic Check that the wiring EDC pilot light off
POWER STAGE                                                                instrument synchronization between connector EDC pin
FOR     SYNC.                                                              signal short—circuited or B48 and diagnosis plug pin 23,
SIGNAL                                                                     open—circuited.              passing through the brown
(MODUS)                                                                                                 sleeve B pin 11, is all right.
                                                                                                                                                                      437
                                                                                                                                                                            438
   Component
                 DTC   FMI         Error type              Visible anomaly               Possible cause            Recommended repairs                  Notes
     failure
ENGINE      —    31    04    SIGNAL             NOT The speed          indicator Speed indicator       signal Check the wiring between pin Check CAN VDB line: 1)
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
POWER STAGE                  PLAUSIBLE              doesn’t work.                short—circuited          or 3 of the instrument and Resistance measured with
FOR TD SIGNAL                                                                    open—circuited.              connector EDC pin B49.         key off directly on EDC ECU
                                                                                                                                             between pin B52 (CAN L)
                                                                                                                                             and pin B53 (CAN H) must
                                                                                                                                             be equal to 120 ohm. 2)
                                                                                                                                             Resistance measured with
                                                                                                                                             key off on wiring between
                                                                                                                                             pin B52 and pin B53 must be
                                                                                                                                             equal to 120 ohm. 3)
                                                                                                                                             Impedance           measured
                                                                                                                                             between 30—pin connector
                                                                                                                                             pin 21 (CAN H) and pin 22
                                                                                                                                             (CAN L) must be equal to
                                                                                                                                             60 ohm +/—3% (measured
                                                                                                                                             with key off and ECUs
                                                                                                                                             connected).
ENGINE       —   31    04    SIGNAL             NOT                              EDC       to     diagnostic Check that the wiring EDC pilot light off
POWER STAGE                  PLAUSIBLE                                           instrument synchronization between connector EDC pin
FOR      SYNC.                                                                   signal short—circuited or B48 and diagnosis plug pin 23,
SIGNAL                                                                           open—circuited.              passing through the brown
(MODUS)                                                                                                       sleeve B pin 11, is all right.
ENGINE       —   31    05    SUPPLY OVER THE The speed                 indicator Speed indicator signal Check the wiring between pin Check CAN VDB line: 1)
POWER STAGE                  NORMAL RANGE    doesn’t work.                       short—circuited          or 3 of the instrument and Resistance measured with
FOR TD SIGNAL                                                                    open—circuited.              connector EDC pin B49.         key off directly on EDC ECU
                                                                                                                                             between pin B52 (CAN L)
                                                                                                                                             and pin B53 (CAN H) must
                                                                                                                                             be equal to 120 ohm. 2)
                                                                                                                                             Resistance measured with
                                                                                                                                             key off on wiring between
                                                                                                                                             pin B52 and pin B53 must be
                                                                                                                                             equal to 120 ohm. 3)
                                                                                                                                             Impedance           measured
                                                                                                                                             between 30—pin connector
                                                                                                                                             pin 21 (CAN H) and pin 22
                                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                                    439
                                                                                                                                                                             440
   Component
                 DTC   FMI           Error type             Visible anomaly               Possible cause            Recommended repairs                  Notes
     failure
ENGINE      —    31    07    VALUE OVER           THE The speed         indicator Speed indicator       signal Check the wiring between pin Check CAN VDB line: 1)
                                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
POWER STAGE                  NORMAL LIMIT             doesn’t work.               short—circuited          or 3 of the instrument and Resistance measured with
FOR TD SIGNAL                                                                     open—circuited.              connector EDC pin B49.         key off directly on EDC ECU
                                                                                                                                              between pin B52 (CAN L)
                                                                                                                                              and pin B53 (CAN H) must
                                                                                                                                              be equal to 120 ohm. 2)
                                                                                                                                              Resistance measured with
                                                                                                                                              key off on wiring between
                                                                                                                                              pin B52 and pin B53 must be
                                                                                                                                              equal to 120 ohm. 3)
                                                                                                                                              Impedance           measured
                                                                                                                                              between 30—pin connector
                                                                                                                                              pin 21 (CAN H) and pin 22
                                                                                                                                              (CAN L) must be equal to
                                                                                                                                              60 ohm +/—3% (measured
                                                                                                                                              with key off and ECUs
                                                                                                                                              connected).
ENGINE       —   31    07    VALUE OVER           THE                             EDC       to     diagnostic Check that the wiring EDC pilot light off
POWER STAGE                  NORMAL LIMIT                                         instrument synchronization between connector EDC pin
FOR      SYNC.                                                                    signal short—circuited or B48 and diagnosis plug pin 23,
SIGNAL                                                                            open—circuited.              passing through the brown
(MODUS)                                                                                                        sleeve B pin 11, is all right.
ENGINE       —   31    08    VALUE    BELOW       THE The speed         indicator Speed indicator signal Check the wiring between pin Check CAN VDB line: 1)
POWER STAGE                  LIMIT                    doesn’t work.               short—circuited          or 3 of the instrument and Resistance measured with
FOR TD SIGNAL                                                                     open—circuited.              connector EDC pin B49.         key off directly on EDC ECU
                                                                                                                                              between pin B52 (CAN L)
                                                                                                                                              and pin B53 (CAN H) must
                                                                                                                                              be equal to 120 ohm. 2)
                                                                                                                                              Resistance measured with
                                                                                                                                              key off on wiring between
                                                                                                                                              pin B52 and pin B53 must be
                                                                                                                                              equal to 120 ohm. 3)
                                                                                                                                              Impedance           measured
                                                                                                                                              between 30—pin connector
                                                                                                                                              pin 21 (CAN H) and pin 22
                                                                                                                                                     ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                                     441
                                                                                                                                        442
  Component
               DTC   FMI         Error type           Visible anomaly         Possible cause        Recommended repairs         Notes
    failure
WARNING        32    01    SHORT CIRCUIT TO The pilot light either CAN line failure.           Check that the CAN line is up:
                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
LIGHTS — OIL               POSITIVE         doesn’t work or it remains                         impedance between pin 21
PRESSURE                                    always lighted up.                                 and pin 22 of the 30—pin
GAUGE                                                                                          connector       must        be
                                                                                               approximately      60     ohm
                                                                                               (measured with key off and all
                                                                                               ECUs      connected).     Run
                                                                                               Cluster and Body Controller
                                                                                               diagnostic procedures.
WARNING        32    01    SHORT CIRCUIT TO Incorrect display of the CAN line failure.         1) Run warning light/indicator
LIGHTS     —               POSITIVE         engine            coolant                          active diagnostics in the
COOLANT                                     temperature.                                       Cluster diagnostic procedure.
TEMPERATUR                                                                                     2) Check that the CAN line is
GAUGE                                                                                          up: impedance between pin
                                                                                               21 and pin 22 of the 30—pin
                                                                                               connector       must        be
                                                                                               approximately      60     ohm
                                                                                               (measured with key off and all
                                                                                               ECUs connected).
WARNING        32    02    OPEN CIRCUIT OR The pilot light either CAN line failure.            Check that the CAN line is up:
LIGHTS — OIL               SHORT CIRCUIT TO doesn’t work or it remains                         impedance between pin 21
PRESSURE                   GROUND           always lighted up.                                 and pin 22 of the 30—pin
GAUGE                                                                                          connector       must        be
                                                                                               approximately      60     ohm
                                                                                               (measured with key off and all
                                                                                               ECUs      connected).     Run
                                                                                               Cluster and Body Controller
                                                                                               diagnostic procedures.
WARNING        32    02    OPEN CIRCUIT OR Incorrect display of the CAN line failure.          1) Run warning light/indicator
LIGHTS     —               SHORT CIRCUIT TO engine           coolant                           active diagnostics in the
COOLANT                    GROUND           temperature.                                       Cluster diagnostic procedure.
TEMPERATUR                                                                                     2) Check that the CAN line is
GAUGE                                                                                          up: impedance between pin
                                                                                               21 and pin 22 of the 30—pin
                                                                                               connector       must        be
                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
                                                                                                      must be approximately 60 ohm
                                                                                                      (measured with key off and all
                                                                                                      ECUs connected).
                                                                                                                                                  443
                                                                                                                                                 444
  Component
               DTC   FMI           Error type              Visible anomaly          Possible cause        Recommended repairs            Notes
    failure
WARNING        32    05    SUPPLY OVER THE The pilot light either CAN line failure.                  Check that the CAN line is up:
                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
LIGHTS — OIL               NORMAL RANGE    doesn’t work or it remains                                impedance between pin 21 and
PRESSURE                                   always lighted up.                                        pin 22 of the 30—pin connector
GAUGE                                                                                                must be approximately 60 ohm
                                                                                                     (measured with key off and all
                                                                                                     ECUs connected). Run Cluster
                                                                                                     and Body Controller diagnostic
                                                                                                     procedures.
WARNING        32    05    SUPPLY OVER THE Incorrect display of the CAN line failure.                1) Run warning light/indicator
LIGHTS     —               NORMAL RANGE    engine            coolant                                 active diagnostics in the Cluster
COOLANT                                    temperature.                                              diagnostic procedure. 2) Check
TEMPERATUR                                                                                           that the CAN line is up:
GAUGE                                                                                                impedance between pin 21 and
                                                                                                     pin 22 of the 30—pin connector
                                                                                                     must be approximately 60 ohm
                                                                                                     (measured with key off and all
                                                                                                     ECUs connected).
WARNING        32    06    SUPPLY BELOW THE The pilot light either CAN line failure.                 Check that the CAN line is up:
LIGHTS — OIL               RANGE            doesn’t work or it remains                               impedance between pin 21 and
PRESSURE                                    always lighted up.                                       pin 22 of the 30—pin connector
GAUGE                                                                                                must be approximately 60 ohm
                                                                                                     (measured with key off and all
                                                                                                     ECUs connected). Run Cluster
                                                                                                     and Body Controller diagnostic
                                                                                                     procedures.
WARNING        32    07    VALUE OVER           THE The pilot light either CAN line failure.         Check that the CAN line is up:
LIGHTS — OIL               NORMAL LIMIT             doesn’t work or it remains                       impedance between pin 21 and
PRESSURE                                            always lighted up.                               pin 22 of the 30—pin connector
GAUGE                                                                                                must be approximately 60 ohm
                                                                                                     (measured with key off and all
                                                                                                     ECUs connected). Run Cluster
                                                                                                     and Body Controller diagnostic
                                                                                                     procedures.
WARNING        32    08    VALUE    BELOW       THE The pilot light either CAN line failure.         Check that the CAN line is up:
LIGHTS — OIL               LIMIT                    doesn’t work or it remains                       impedance between pin 21 and
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
                                              a different selection has
                                              been chosen.
SWITCH      —    33    03    NO SIGNAL        The exhaust brake engages       Exhaust brake selector: not   Read Body Controller state
ENGINE BRAKE                                  only if operated by means of    plausible signal or lack of   parameters with diagnostic
PRESELECTION                                  the push—button on the          switchover of the exhaust     tool (engine brake switch not
BUTTON                                        floor, or if operated by the    brake control mode.           managed by EDC).
                                              push—button on the floor
                                              and only by means of one of
                                              the other two ways, even if
                                              a different selection has
                                              been chosen.
                                                                                                                                                                 445
                                                                                                                                                   446
  Component
                DTC   FMI          Error type            Visible anomaly             Possible cause             Recommended repairs        Notes
    failure
SWITCH      —   33    04    SIGNAL       NOT The       exhaust       brake   Exhaust brake selector: not   Read Body Controller state
                                                                                                                                                    ELECTRIC/ELECTRONIC SYSTEM
ENGINE BRAKE                PLAUSIBLE        engages only if operated        plausible signal or lack of   parameters with diagnostic
PRESELECTION                                 by     means       of     the   switchover of the exhaust     tool (engine brake switch not
BUTTON                                       push—button on the floor,       brake control mode.           managed by EDC).
                                             or if operated by the
                                             push—button on the floor
                                             and only by means of one
                                             of the other two ways,
                                             even if a different selection
                                             has been chosen.
SWITCH      —   33    05    SUPPLY OVER THE The        exhaust       brake   Exhaust brake selector: not   Read Body Controller state
ENGINE BRAKE                NORMAL RANGE     engages only if operated        plausible signal or lack of   parameters with diagnostic
PRESELECTION                                 by     means       of     the   switchover of the exhaust     tool (engine brake switch not
BUTTON                                       push—button on the floor,       brake control mode.           managed by EDC).
                                             or if operated by the
                                             push—button on the floor
                                             and only by means of one
                                             of the other two ways,
                                             even if a different selection
                                             has been chosen.
WARNING         33    06    SUPPLY BELOW THE Incorrect display of the        CAN line failure.           1) Run warning light/indicator
LIGHTS     —                RANGE            engine               coolant                                active diagnostics in the
COOLANT                                      temperature.                                                Cluster diagnostic procedure.
TEMPERATUR                                                                                               2) Check that the CAN line is
GAUGE                                                                                                    up: impedance between pin
                                                                                                         21 and pin 22 of the 30—pin
                                                                                                         connector       must        be
                                                                                                         approximately      60     ohm
                                                                                                         (measured with key off and all
                                                                                                         ECUs connected).
SWITCH      —   33    06    SUPPLY BELOW THE The exhaust brake engages       Exhaust brake selector: not Read Body Controller state
ENGINE BRAKE                RANGE            only if operated by means       plausible signal or lack of parameters with diagnostic
PRESELECTION                                 of the push—button on the       switchover of the exhaust tool (engine brake switch not
BUTTON                                       floor, or if operated by the    brake control mode.         managed by EDC).
                                             push—button on the floor
                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
BUTTON                                                                         brake control mode.         managed by EDC).
                                              push—button on the floor
                                              and only by means of one of
                                              the other two ways, even if
                                              a different selection has
                                              been chosen.
ENGINE — FUEL   34    00    NO      AVAILABLE                              Air intake upstream of the Check the O—Rings and the EDC pilot light winking.
PRESSURE                    SYMPTOM                                        fuel gear pump.            proper connection of the pipe
MONITORING                                                                                            unions between the tank and
                                                                                                      the fuel pump (fasteners must
                                                                                                      be out and unions well
                                                                                                      hooked).
                                                                                                                                                           447
                                                                                                                                                                                  448
  Component
                DTC   FMI         Error type              Visible anomaly               Possible cause              Recommended repairs                      Notes
    failure
ENGINE — FUEL   34    00    NO      AVAILABLE                                   Fuel leaks from the pipe      Check the O—Rings and the EDC pilot light winking.
                                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                    SYMPTOM                                             unions or low—pressure        proper connection of the pipe
MONITORING                                                                      pipes downstream of the       unions downstream of the fuel
                                                                                fuel pump.                    pump (fasteners must be out
                                                                                                              and unions well hooked).
                                                                                Possible defect of the signal
                                                                                of the rail pressure sensor Check visually that the
                                                                                                              low—pressure pipes are not
                                                                                                              damaged. Carry out the
                                                                                                              inspections of 8.2.
ENGINE — FUEL   34    00    NO      AVAILABLE                                   Fuel suction pipe in the tank Check whether the priming          EDC pilot light winking.
PRESSURE                    SYMPTOM                                             partially clogged due to pump on the prefilter works
                                                                                                                                                 In case some shavings have
MONITORING                                                                      impurities or distortion properly.
                                                                                                                                                 been sucked (due to works
                                                                                caused by overheating.
                                                                                                              If the pump knob remains           carried out by the producer
                                                                                                              sucked downwards because           on the fuel tank) perform an
                                                                                                              of the suction pressure,           accurate cleaning of the tank.
                                                                                                              disassemble and check the
                                                                                                                                                 As a matter of fact the
                                                                                                              tank suction pipe.
                                                                                                                                                 problem might occur again
                                                                                                               If the suction pipe is all right, because of other shavings
                                                                                                               replace the filter.               remained inside the tank.
ENGINE — FUEL   34    00    NO      AVAILABLE                                   Insufficient fuel level in the Check fuel level.                 EDC pilot light winking.
PRESSURE                    SYMPTOM                                             tank.
MONITORING
ENGINE — FUEL   34    00    NO      AVAILABLE Significant               power Fuel pressure adjustment: Reading        of     measurable EDC pilot light winking.
PRESSURE                    SYMPTOM           reduction.                      pressure in the rail is lower parameters: ?Duty Cycle rail
MONITORING                                                                    or higher than the one pressure solenoid valve?
                                                                              evaluated by the gearcase.
                                                                                                            (with release 2—2001 and
                                                                                                            subsequent ones):
                                                                                                          in normal conditions, at idling
                                                                                                          speed, loadless, and steady
                                                                                                          state engine, the value must be
                                                                                                          lower than 5%.
ENGINE — FUEL   34    01    TOO    HIGH        RAIL Engine stop.                Max—min pressure error in Replace the overpressure EDC pilot light winking.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                          carried out by the producer
                                                                                                         sucked downwards because of      on the fuel tank) perform an
                                                                                                         the       suction    pressure,   accurate cleaning of the tank.
                                                                                                         disassemble and check the tank
                                                                                                         suction pipe.                      As a matter of fact the
                                                                                                          If the suction pipe is all right, problem might occur again
                                                                                                          replace the filter.               because of other shavings
                                                                                                                                            remained inside the tank.
ENGINE — FUEL    34    02    OPEN CIRCUIT OR                               Insufficient fuel level in the Check fuel level.                 EDC pilot light winking.
PRESSURE                     SHORT CIRCUIT TO                              tank.
MONITORING                   GROUND
                                                                                                                                                                           449
                                                                                                                                                                                 450
   Component
                 DTC   FMI          Error type                Visible anomaly               Possible cause               Recommended repairs                    Notes
     failure
ENGINE       —   34    03    NO SIGNAL                 Significant          power Intervention   of     the Carry out the checks foreseen EDC pilot light winking.
                                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
MONITORING                                             reduction.                 double—stage overpressure for 8.2 and 8.3.
OF PRESSURE                                                                       valve.
RELIEF VALVE
ENGINE — FUEL    34    03    TOO     LOW         RAIL Engine stop.                Max—min pressure error in Replace the overpressure valve EDC pilot light winking.
PRESSURE                     PRESSURE                                             the rail                       If the problem persists, carry out
MONITORING
                                                                                  Check that suction and the checks foreseen for 8.2 and
                                                                                  return lines of gasoil are not 8.3.
                                                                                  inverted (tank sensor)
ENGINE       —   34    04    SIGNAL              NOT Significant            power Intervention       of      the Carry out the checks foreseen EDC pilot light winking.
MONITORING                   PLAUSIBLE               reduction.                   double—stage overpressure for 8.2 and 8.3.
OF PRESSURE                                                                       valve.
RELIEF VALVE
ENGINE — FUEL    34    04    NEGATIVE        FUEL Significant               power Fuel pressure adjustment:         Reading      of     measurable EDC pilot light winking.
PRESSURE                     PRESSURE DEVIATION reduction.                        pressure in the rail is lower     parameters: ?Duty Cycle rail
MONITORING                                                                        or higher than the one            pressure solenoid valve?
                                                                                  evaluated by the gearcase.        (with release 2—2001       and
                                                                                                                    subsequent ones):
                                                                                                                   in normal conditions, at idling
                                                                                                                   speed, loadless, and steady state
                                                                                                                   engine, the value must be lower
                                                                                                                   than 5%.
ENGINE — FUEL    34    04    NEGATIVE        FUEL                                   Insufficient fuel level in the Check fuel level.                 EDC pilot light winking.
PRESSURE                     PRESSURE DEVIATION                                     tank.
MONITORING
ENGINE — FUEL    34    04    NEGATIVE        FUEL                                   Fuel suction pipe in the tank
                                                                                                               Check whether the priming EDC pilot light winking.
PRESSURE                     PRESSURE DEVIATION                                     partially clogged due to   pump on the prefilter works
                                                                                                               properly.                         In case some shavings have
MONITORING                                                                          impurities or distortion                                     been sucked (due to works
                                                                                    caused by overheating.     If the pump knob remains carried out by the producer
                                                                                                               sucked downwards because of on the fuel tank) perform an
                                                                                                               the       suction      pressure, accurate cleaning of the tank.
                                                                                                               disassemble and check the tank
                                                                                                               suction pipe.                     As a matter of fact the
                                                                                                                                                 problem might occur again
                                                                                                               If the suction pipe is all right, because of other shavings
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                     PRESSURE DEVIATION                                unions or low—pressure proper connection of the pipe
MONITORING                                                                     pipes downstream of the unions downstream of the fuel
                                                                               fuel pump.                     pump (fasteners must be out
                                                                                                              and unions well hooked).
                                                                               Possible defect of the signal
                                                                               of the rail pressure sensor Check visually that the
                                                                                                              low—pressure pipes are not
                                                                                                              damaged. Carry out the
                                                                                                              inspections of 8.2.
ENGINE — FUEL    34    05    POSITIVE        FUEL                              Insufficient fuel level in the Check fuel level.                 EDC pilot light winking.
PRESSURE                     PRESSURE DEVIATION                                tank.
MONITORING
                                                                                                                                                                           451
                                                                                                                                                                            452
   Component
                 DTC   FMI         Error type         Visible anomaly               Possible cause               Recommended repairs                   Notes
     failure
ENGINE — FUEL    34    05    POSITIVE        FUEL                           Fuel suction pipe in the tank
                                                                                                    Check whether the priming EDC pilot light winking.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                     PRESSURE DEVIATION                             partially clogged due topump on the prefilter works
                                                                                                    properly.                         In case some shavings have
MONITORING                                                                  impurities or distortion
                                                                                                                                      been sucked (due to works
                                                                            caused by overheating.  If the pump knob remains carried out by the producer
                                                                                                    sucked downwards because on the fuel tank) perform an
                                                                                                    of the suction pressure, accurate cleaning of the tank.
                                                                                                    disassemble and check the
                                                                                                    tank suction pipe.                As a matter of fact the
                                                                                                    If the suction pipe is all right, problem might occur again
                                                                                                    replace the filter.               because of other shavings
                                                                                                                                      remained inside the tank.
ENGINE       —   34    06    SUPPLY BELOW THE Significant           power Intervention   of     the Carry out the checks foreseen EDC pilot light winking.
MONITORING                   RANGE            reduction.                  double—stage overpressure for 8.2 and 8.3.
OF PRESSURE                                                               valve.
RELIEF VALVE
ENGINE — FUEL    34    06    LEAKAGE IN OVERRUN                             Air intake upstream of the Check the O—Rings and the           EDC pilot light winking.
PRESSURE                                                                    fuel gear pump.               proper connection of the pipe
MONITORING                                                                                                unions between the tank and
                                                                                                          the fuel pump (fasteners must
                                                                                                          be out and unions well
                                                                                                          hooked).
ENGINE — FUEL    34    06    LEAKAGE IN OVERRUN                             Fuel leaks from the pipe Check the O—Rings and the             EDC pilot light winking.
PRESSURE                                                                    unions or low—pressure proper connection of the pipe
MONITORING                                                                  pipes downstream of the unions downstream of the fuel
                                                                            fuel pump.                    pump (fasteners must be out
                                                                                                          and unions well hooked).
                                                                            Possible defect of the signal
                                                                            of the rail pressure sensor Check visually that the
                                                                                                          low—pressure pipes are not
                                                                                                          damaged. Carry out the
                                                                                                          inspections of 8.2.
ENGINE — FUEL    34    06    LEAKAGE IN OVERRUN                             Fuel suction pipe in the tank Check whether the priming        EDC pilot light winking.
PRESSURE                                                                    partially clogged due to pump on the prefilter works
                                                                                                                                           In case some shavings have
MONITORING                                                                  impurities or distortion properly.
                                                                                                                                           been sucked (due to works
                                                                            caused by overheating.        If the pump knob remains         carried out by the producer
                                                                                                          sucked downwards because         on the fuel tank) perform an
                                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              subsequent ones):
                                                                                                              in normal conditions, at idling
                                                                                                              speed, loadless, and steady state
                                                                                                              engine, the value must be lower
                                                                                                              than 5%.
ENGINE — FUEL     34    07    LEAKAGE Q—BAL                                        Air intake upstream of the Check the O—Rings and the EDC pilot light winking.
PRESSURE                                                                           fuel gear pump.            proper connection of the pipe
MONITORING                                                                                                    unions between the tank and
                                                                                                              the fuel pump (fasteners must
                                                                                                              be out and unions well
                                                                                                              hooked).
                                                                                                                                                                                         453
                                                                                                                                                                                  454
   Component
                 DTC   FMI           Error type              Visible anomaly              Possible cause                Recommended repairs                    Notes
     failure
ENGINE — FUEL    34    07    LEAKAGE Q—BAL                                         Fuel leaks from the pipe        Check the O—Rings and the EDC pilot light winking.
                                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                                                                           unions or low—pressure          proper connection of the pipe
MONITORING                                                                         pipes downstream of the         unions downstream of the fuel
                                                                                   fuel pump.                      pump (fasteners must be out
                                                                                                                   and unions well hooked).
                                                                                 Possible defect of the signal
                                                                                 of the rail pressure sensor Check visually that the
                                                                                                               low—pressure pipes are not
                                                                                                               damaged. Carry out the
                                                                                                               inspections of 8.2.
ENGINE       —   34    08    VALUE    BELOW       THE Significant          power Intervention       of     the Carry out the checks foreseen EDC pilot light winking.
MONITORING                   LIMIT                    reduction.                 double—stage overpressure for 8.2 and 8.3.
OF PRESSURE                                                                      valve.
RELIEF VALVE
SENSORS — OIL    35    00    NO      AVAILABLE Power reduction                     Oil     pressure        sensor Reading    of     measurable      EDC pilot light on.
PRESSURE                     SYMPTOM                                               short—circuited             or parameters by means of the
                                                                                                                                                    The pressure sensor is
                                                                                   open—circuited.                diagnostic instrument: in
                                                                                                                                                    incorporated     in the
                                                                                                                  presence of this error, the oil
                                                                                                                                                    temperature one.
                                                                                                                  pressure will be fixed at 60
                                                                                                                  mbar.
                                                                                                             Verify the wiring between the
                                                                                                             sensor connector (wiring side)
                                                                                                             pin 3 and connector EDC pin
                                                                                                             C9,       between       sensor
                                                                                                             connector (wiring side) pin 4
                                                                                                             and connector EDC pin C35.
ELECTRONIC       35    00    NO      AVAILABLE Significant                 power The internal ECU test which Check wiring between +15 of            EDC pilot light on.
CONTROL                      SYMPTOM           reduction.                        occurs when the engine is the key and ecu connector pin
                                                                                                                                                    The engine doesn’t stop in
UNIT — SELF                                                                      switched on does not B39 coming from passaparete
                                                                                                                                                    the foreseen times when the
TEST SHUTOFF                                                                     succeed.                    connector B pin 2. Erase fault
                                                                                                                                                    key +15 is OFF—positioned.
PATHS                                                                                                        memory and retry: if after
START—UP                                                                                                     engines shuts down the fault
                                                                                                             persists, contact the Help
                                                                                                             Desk for a possible ecu change
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                     connector (wiring side) pin 4
                                                                                                     and connector EDC pin C35.
ELECTRONIC      35    02    OPEN CIRCUIT OR Significant            power The internal ECU test which Check wiring between +15 of              EDC pilot light on.
CONTROL                     SHORT CIRCUIT TO reduction.                  occurs when the engine is the key and ecu connector pin
                                                                                                                                              The engine doesn’t stop in
UNIT — SELF                 GROUND                                       switched on does not B39 coming from passaparete
                                                                                                                                              the foreseen times when the
TEST SHUTOFF                                                             succeed.                    connector B pin 2. Erase fault
                                                                                                                                              key +15 is OFF—positioned.
PATHS                                                                                                memory and retry: if after
START—UP                                                                                             engines shuts down the fault
                                                                                                     persists, contact the Help
                                                                                                     Desk for a possible ecu change
                                                                                                                                                                            455
                                                                                                                                                                                  456
  Component
                DTC   FMI         Error type               Visible anomaly             Possible cause                 Recommended repairs                      Notes
    failure
SENSORS — OIL   35    03    NO SIGNAL               Power reduction             Oil     pressure        sensor Reading      of     measurable       EDC pilot light on.
                                                                                                                                                                                   ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                                                                        short—circuited             or parameters by means of the
                                                                                                               diagnostic    instrument:   in       The pressure sensor is
                                                                                open—circuited.
                                                                                                               presence of this error, the oil      incorporated     in the
                                                                                                               pressure will be fixed at 60         temperature one.
                                                                                                               mbar.
                                                                                                                 Verify the wiring between the
                                                                                                                 sensor connector (wiring side)
                                                                                                                 pin 3 and connector EDC pin
                                                                                                                 C9, between sensor connector
                                                                                                                 (wiring side) pin 4 and
                                                                                                                 connector EDC pin C35.
ELECTRONIC      35    03    NO SIGNAL               Significant          power The internal ECU test which       Check wiring between +15 of        EDC pilot light on.
CONTROL                                             reduction.                 occurs when the engine is         the key and ecu connector pin
                                                                                                                 B39 coming from passaparete        The engine doesn’t stop in
UNIT — SELF                                                                    switched on does not
                                                                                                                 connector B pin 2. Erase fault     the foreseen times when the
TEST SHUTOFF                                                                   succeed.
                                                                                                                 memory and retry: if after         key +15 is OFF—positioned.
PATHS
                                                                                                                 engines shuts down the fault
START—UP                                                                                                         persists, contact the Help Desk
                                                                                                                 for a possible ecu change
SENSORS — OIL   35    04    SIGNAL             NOT Power reduction              Oil     pressure        sensor   Reading       of      measurable   EDC pilot light on.
PRESSURE                    PLAUSIBLE                                           short—circuited             or   parameters by means of the
                                                                                                                 diagnostic     instrument:    in   The pressure sensor is
                                                                                open—circuited.
                                                                                                                 presence of this error, the oil    incorporated     in the
                                                                                                                 pressure will be fixed at 60       temperature one.
                                                                                                                 mbar.
                                                                                                               Verify the wiring between the
                                                                                                               sensor connector (wiring side)
                                                                                                               pin 3 and connector EDC pin
                                                                                                               C9, between sensor connector
                                                                                                               (wiring side) pin 4 and
                                                                                                               connector EDC pin C35.
SENSORS — OIL   35    05    SUPPLY OVER THE Power reduction                     Oil     pressure        sensor Reading      of     measurable       EDC pilot light on.
PRESSURE                    NORMAL RANGE                                        short—circuited             or parameters by means of the
                                                                                                               diagnostic    instrument:   in       The pressure sensor is
                                                                                open—circuited.
                                                                                                               presence of this error, the oil      incorporated     in the
                                                                                                               pressure will be fixed at 60         temperature one.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                             inspections of 8.2.
ENGINE — FUEL   35    08    LEAKAGE IN LOWIDLE      Significant          power Fuel pressure adjustment: Reading          of     measurable EDC pilot light winking.
PRESSURE                                            reduction.                 pressure in the rail is lower parameters: ?Duty Cycle rail
MONITORING                                                                     or higher than the one pressure solenoid valve?
                                                                               evaluated by the gearcase. (with release 2—2001 and
                                                                                                             subsequent ones):
                                                                                                                  in normal conditions, at idling
                                                                                                                  speed, loadless, and steady state
                                                                                                                  engine, the value must be lower
                                                                                                                  than 5%.
                                                                                                                                                                                457
                                                                                                                                                                               458
   Component
                 DTC   FMI           Error type             Visible anomaly           Possible cause                Recommended repairs                    Notes
     failure
ENGINE — FUEL    35    08    LEAKAGE IN LOWIDLE                               Fuel suction pipe in the tank  Check whether the priming EDC pilot light winking.
                                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
PRESSURE                                                                      partially clogged due to       pump on the prefilter works
                                                                                                             properly.                         In case some shavings have
MONITORING                                                                    impurities or distortion
                                                                                                                                               been sucked (due to works
                                                                              caused by overheating.         If the pump knob remains carried out by the producer
                                                                                                             sucked downwards because of on the fuel tank) perform an
                                                                                                             the       suction      pressure, accurate cleaning of the tank.
                                                                                                             disassemble and check the tank
                                                                                                             suction pipe.                     As a matter of fact the
                                                                                                             If the suction pipe is all right, problem might occur again
                                                                                                             replace the filter.               because of other shavings
                                                                                                                                               remained inside the tank.
ENGINE — FUEL    35    08    LEAKAGE IN LOWIDLE                               Air intake upstream of the Check the O—Rings and the EDC pilot light winking.
PRESSURE                                                                      fuel gear pump.                proper connection of the pipe
MONITORING                                                                                                   unions between the tank and
                                                                                                             the fuel pump (fasteners must
                                                                                                             be out and unions well hooked).
ENGINE — FUEL    35    08    LEAKAGE IN LOWIDLE                               Insufficient fuel level in the Check fuel level.                 EDC pilot light winking.
PRESSURE                                                                      tank.
MONITORING
SENSORS — OIL    35    08    VALUE    BELOW       THE Power reduction         Oil     pressure         sensor Reading      of     measurable    EDC pilot light on.
PRESSURE                     LIMIT                                            short—circuited              or parameters by means of the
                                                                                                              diagnostic    instrument:   in    The pressure sensor is
                                                                              open—circuited.
                                                                                                              presence of this error, the oil   incorporated     in the
                                                                                                              pressure will be fixed at 60      temperature one.
                                                                                                              mbar.
                                                                                                               Verify the wiring between the
                                                                                                               sensor connector (wiring side)
                                                                                                               pin 3 and connector EDC pin
                                                                                                               C9, between sensor connector
                                                                                                               (wiring side) pin 4 and
                                                                                                               connector EDC pin C35.
COMMUNICATI      36    00    NO      AVAILABLE                                CAN line.                        Check wiring, connections and EDC pilot light:
ON LINES — Can               SYMPTOM                                                                           closing resistance (120 ohms)
                                                                                                                                              Off (software version for
B Module
                                                                                                                                              single—stage valve).
                                                                                                                                                On (software version for
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                              cranking. Possible ECAS        connected.                       Resistance measured with key
                                              suspension        levelling                                     off on wiring between pin B52
                                              operation problem via                                           and pin B53 must be equal to
                                              remote control in cab.                                          120 ohm. 3) Impedance
                                              Speedometer may stay                                            measured between 30—pin
                                              off.                                                            connector pin 21 (CAN H)
                                                                                                              and pin 22 (CAN L) must be
                                                                                                              equal to 60 ohm +/—3%
                                                                                                              (measured with key off and
                                                                                                              ECUs connected).
                                                                                                                                                                            459
                                                                                                                                                                        460
   Component
                 DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs               Notes
     failure
COMMUNICATI      36    02    OPEN CIRCUIT OR                                CAN line.                        Check wiring, connections and EDC pilot light:
                                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               SHORT CIRCUIT TO                                                                closing resistance (120 ohms)
                                                                                                                                           Off (software version for
B Module                     GROUND
                                                                                                                                           single—stage valve).
                                                                                                                                          On (software version for
                                                                                                                                          double—stage valve).
                                                                                                                                          Immobilizer either does not
                                                                                                                                          intervene or it does not
                                                                                                                                          allow starting.
COMMUNICATI      36    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — Can               SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
B Module                     GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
                                              Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                              communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                              with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                              cranking. Possible ECAS       connected.                       Resistance measured with key
                                              suspension        levelling                                    off on wiring between pin B52
                                              operation problem via                                          and pin B53 must be equal to
                                              remote control in cab.                                         120 ohm. 3) Impedance
                                              Speedometer may stay                                           measured between 30—pin
                                              off.                                                           connector pin 21 (CAN H)
                                                                                                             and pin 22 (CAN L) must be
                                                                                                             equal to 60 ohm +/—3%
                                                                                                             (measured with key off and
                                                                                                             ECUs connected).
COMMUNICATI      36    03    NO SIGNAL                                      CAN line.                        Check wiring, connections and EDC pilot light:
ON LINES — Can                                                                                               closing resistance (120 ohms)
                                                                                                                                           Off (software version for
B Module
                                                                                                                                           single—stage valve).
                                                                                                                                          On (software version for
                                                                                                                                          double—stage valve).
                                                                                                                                          Immobilizer either does not
                                                                                                                                          intervene or it does not
                                                                                                                                          allow starting.
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                             intervene or it does not
                                                                                                                                             allow starting.
                                                                                                                                                                           461
                                                                                                                                                                           462
   Component
                 DTC   FMI         Error type               Visible anomaly               Possible cause           Recommended repairs                  Notes
     failure
COMMUNICATI      36    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:Check CAN VDB line: 1)
                                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to Resistance measured with key
B Module                                            cannot be viewed on           earth or CAN H and CAN    off directly on EDC ECU
                                                    Cluster.          Possible    L      lines      reciprocally
                                                                                                            between pin B52 (CAN L) and
                                                    communication problem         short—circuiting. Check that
                                                                                                            pin B53 (CAN H) must be
                                                    with IMMOBILIZER for          all vehicle ECUs are      equal to 120 ohm. 2)
                                                    cranking. Possible ECAS       connected.                Resistance measured with key
                                                    suspension        levelling                             off on wiring between pin B52
                                                    operation problem via                                   and pin B53 must be equal to
                                                    remote control in cab.                                  120 ohm. 3) Impedance
                                                    Speedometer may stay                                    measured between 30—pin
                                                    off.                                                    connector pin 21 (CAN H)
                                                                                                            and pin 22 (CAN L) must be
                                                                                                            equal to 60 ohm +/—3%
                                                                                                            (measured with key off and
                                                                                                            ECUs connected).
ELECTRONIC       36    05    SUPPLY OVER THE Significant                  power The internal ECU test which Check wiring between +15 of      EDC pilot light on.
CONTROL                      NORMAL RANGE    reduction.                         occurs when the engine is the key and ecu connector pin
                                                                                                                                             The engine doesn’t stop in
UNIT — SELF                                                                     switched on does not B39 coming from passaparete
                                                                                                                                             the foreseen times when the
TEST SHUTOFF                                                                    succeed.                    connector B pin 2. Erase fault
                                                                                                                                             key +15 is OFF—positioned.
PATHS                                                                                                       memory and retry: if after
START—UP                                                                                                    engines shuts down the fault
                                                                                                            persists, contact the Help
                                                                                                            Desk for a possible ecu change
COMMUNICATI      36    05    SUPPLY OVER THE                                    CAN line.                   Check wiring, connections and    EDC pilot light:
ON LINES — Can               NORMAL RANGE                                                                   closing resistance (120 ohms)
                                                                                                                                             Off (software version for
B Module
                                                                                                                                             single—stage valve).
                                                                                                                                             On (software version for
                                                                                                                                             double—stage valve).
                                                                                                                                             Immobilizer either does not
                                                                                                                                             intervene or it does not
                                                                                                                                             allow starting.
                                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                         intervene or it does not
                                                                                                                                         allow starting.
                                                                                                                                                                       463
                                                                                                                                                                          464
   Component
                 DTC   FMI         Error type              Visible anomaly               Possible cause           Recommended repairs                  Notes
     failure
COMMUNICATI      36    06    SUPPLY BELOW THE CAN message appears on             Possible CAN line problem:Check CAN VDB line: 1)
                                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               RANGE            Cluster.CAN messages               CAN line short—circuit to Resistance measured with key
B Module                                      cannot be viewed on                earth or CAN H and CAN    off directly on EDC ECU
                                              Cluster.          Possible         L      lines      reciprocally
                                                                                                           between pin B52 (CAN L) and
                                              communication problem              short—circuiting. Check that
                                                                                                           pin B53 (CAN H) must be
                                              with IMMOBILIZER for               all vehicle ECUs are      equal to 120 ohm. 2)
                                              cranking. Possible ECAS            connected.                Resistance measured with key
                                              suspension        levelling                                  off on wiring between pin B52
                                              operation problem via                                        and pin B53 must be equal to
                                              remote control in cab.                                       120 ohm. 3) Impedance
                                              Speedometer may stay                                         measured between 30—pin
                                              off.                                                         connector pin 21 (CAN H)
                                                                                                           and pin 22 (CAN L) must be
                                                                                                           equal to 60 ohm +/—3%
                                                                                                           (measured with key off and
                                                                                                           ECUs connected).
ELECTRONIC       36    07    VALUE OVER         THE Significant          power The internal ECU test which Check wiring between +15 of      EDC pilot light on.
CONTROL                      NORMAL LIMIT           reduction.                 occurs when the engine is the key and ecu connector pin
                                                                                                                                            The engine doesn’t stop in
UNIT — SELF                                                                    switched on does not B39 coming from passaparete
                                                                                                                                            the foreseen times when the
TEST SHUTOFF                                                                   succeed.                    connector B pin 2. Erase fault
                                                                                                                                            key +15 is OFF—positioned.
PATHS                                                                                                      memory and retry: if after
START—UP                                                                                                   engines shuts down the fault
                                                                                                           persists, contact the Help
                                                                                                           Desk for a possible ecu change
COMMUNICATI      36    07    VALUE OVER         THE                            CAN line.                   Check wiring, connections and    EDC pilot light:
ON LINES — Can               NORMAL LIMIT                                                                  closing resistance (120 ohms)
                                                                                                                                            Off (software version for
B Module
                                                                                                                                            single—stage valve).
                                                                                                                                            On (software version for
                                                                                                                                            double—stage valve).
                                                                                                                                            Immobilizer either does not
                                                                                                                                            intervene or it does not
                                                                                                                                            allow starting.
                                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                                               intervene or it does not
                                                                                                                                               allow starting.
                                                                                                                                                                             465
                                                                                                                                                             466
   Component
                 DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI      36    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
ON LINES — Can               LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
B Module                                              cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
                                                      Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                      communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                      with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                      suspension        levelling                                    off on wiring between pin B52
                                                      operation problem via                                          and pin B53 must be equal to
                                                      remote control in cab.                                         120 ohm. 3) Impedance
                                                      Speedometer may stay                                           measured between 30—pin
                                                      off.                                                           connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
COMMUNICATI      37    00    NO      AVAILABLE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                   SYMPTOM           Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
BC2EDC1: Body                                  cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                  Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
EDC #1                                         communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS              connected.                       Resistance measured with key
                                               suspension        levelling                                           off on wiring between pin B52
                                               operation problem via                                                 and pin B53 must be equal to
                                               remote control in cab.                                                120 ohm. 3) Impedance
                                               Speedometer may stay                                                  measured between 30—pin
                                               off.                                                                  connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
                                                                                                                                                     ELECTRIC/ELECTRONIC SYSTEM
                                                                                                             ECUs connected).
                                                                                                                                                     467
                                                                                                                                                    468
  Component
                DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
    failure
COMMUNICATI     37    01    SHORT CIRCUIT TO CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                     ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                  POSITIVE         Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
BC2EDC2: Body                                cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
EDC #2                                       communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                             with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                             cranking. Possible ECAS       connected.                       Resistance measured with key
                                             suspension        levelling                                    off on wiring between pin B52
                                             operation problem via                                          and pin B53 must be equal to
                                             remote control in cab.                                         120 ohm. 3) Impedance
                                             Speedometer may stay                                           measured between 30—pin
                                             off.                                                           connector pin 21 (CAN H)
                                                                                                            and pin 22 (CAN L) must be
                                                                                                            equal to 60 ohm +/—3%
                                                                                                            (measured with key off and
                                                                                                            ECUs connected).
COMMUNICATI     37    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                  SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
BC2EDC1: Body               GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
EDC #1                                       communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                             with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                             cranking. Possible ECAS       connected.                       Resistance measured with key
                                             suspension        levelling                                    off on wiring between pin B52
                                             operation problem via                                          and pin B53 must be equal to
                                             remote control in cab.                                         120 ohm. 3) Impedance
                                             Speedometer may stay                                           measured between 30—pin
                                             off.                                                           connector pin 21 (CAN H)
                                                                                                            and pin 22 (CAN L) must be
                                                                                                            equal to 60 ohm +/—3%
                                                                                                            (measured with key off and
                                                                                                            ECUs connected).
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                 ECUs connected).
                                                                                                                                                         469
                                                                                                                                                            470
  Component
                DTC   FMI         Error type               Visible anomaly                 Possible cause                Recommended repairs        Notes
    failure
COMMUNICATI     37    03    NO SIGNAL                CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                                           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
BC2EDC1: Body                                        cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
EDC #1                                               communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                     with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                     cranking. Possible ECAS       connected.                       Resistance measured with key
                                                     suspension        levelling                                    off on wiring between pin B52
                                                     operation problem via                                          and pin B53 must be equal to
                                                     remote control in cab.                                         120 ohm. 3) Impedance
                                                     Speedometer may stay                                           measured between 30—pin
                                                     off.                                                           connector pin 21 (CAN H)
                                                                                                                    and pin 22 (CAN L) must be
                                                                                                                    equal to 60 ohm +/—3%
                                                                                                                    (measured with key off and
                                                                                                                    ECUs connected).
COMMUNICATI     37    04    SIGNAL             NOT CAN message appears on          Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                  PLAUSIBLE              Cluster.CAN messages            CAN line short—circuit to        Resistance measured with key
BC2EDC2: Body                                      cannot be viewed on             earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                      Cluster.          Possible      L      lines      reciprocally   between pin B52 (CAN L) and
EDC #2                                             communication problem           short—circuiting. Check that     pin B53 (CAN H) must be
                                                   with IMMOBILIZER for            all vehicle ECUs are             equal to 120 ohm. 2)
                                                   cranking. Possible ECAS         connected.                       Resistance measured with key
                                                   suspension        levelling                                      off on wiring between pin B52
                                                   operation problem via                                            and pin B53 must be equal to
                                                   remote control in cab.                                           120 ohm. 3) Impedance
                                                   Speedometer may stay                                             measured between 30—pin
                                                   off.                                                             connector pin 21 (CAN H)
                                                                                                                    and pin 22 (CAN L) must be
                                                                                                                    equal to 60 ohm +/—3%
                                                                                                                    (measured with key off and
                                                                                                                    ECUs connected).
                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                  ECUs connected).
                                                                                                                                                          471
                                                                                                                                                    472
  Component
                DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
    failure
COMMUNICATI     37    05    SUPPLY OVER THE CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                     ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                  NORMAL RANGE    Cluster.CAN messages           CAN line short—circuit to        Resistance measured with key
BC2EDC1: Body                               cannot be viewed on            earth or CAN H and CAN           off directly on EDC ECU
Computer   to                               Cluster.          Possible     L      lines      reciprocally   between pin B52 (CAN L) and
EDC #1                                      communication problem          short—circuiting. Check that     pin B53 (CAN H) must be
                                            with IMMOBILIZER for           all vehicle ECUs are             equal to 120 ohm. 2)
                                            cranking. Possible ECAS        connected.                       Resistance measured with key
                                            suspension        levelling                                     off on wiring between pin B52
                                            operation problem via                                           and pin B53 must be equal to
                                            remote control in cab.                                          120 ohm. 3) Impedance
                                            Speedometer may stay                                            measured between 30—pin
                                            off.                                                            connector pin 21 (CAN H)
                                                                                                            and pin 22 (CAN L) must be
                                                                                                            equal to 60 ohm +/—3%
                                                                                                            (measured with key off and
                                                                                                            ECUs connected).
COMMUNICATI     37    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                  RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
BC2EDC1: Body                                cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
EDC #1                                       communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                             with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                             cranking. Possible ECAS       connected.                       Resistance measured with key
                                             suspension        levelling                                    off on wiring between pin B52
                                             operation problem via                                          and pin B53 must be equal to
                                             remote control in cab.                                         120 ohm. 3) Impedance
                                             Speedometer may stay                                           measured between 30—pin
                                             off.                                                           connector pin 21 (CAN H)
                                                                                                            and pin 22 (CAN L) must be
                                                                                                            equal to 60 ohm +/—3%
                                                                                                            (measured with key off and
                                                                                                            ECUs connected).
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                    ECUs connected).
                                                                                                                                                            473
                                                                                                                                                        474
   Component
                   DTC   FMI          Error type           Visible anomaly             Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        38    00    NO      AVAILABLE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                     SYMPTOM           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
EBC1: Electronic                                 cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Brake Controller                                 Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                 communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                 with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
COMMUNICATI        38    00    NO      AVAILABLE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                     SYMPTOM           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
CCVSV: Cruise                                    cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Controller                                       with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                               ECUs connected).
                                                                                                                                                       475
                                                                                                                                                           476
   Component
                  DTC   FMI         Error type            Visible anomaly                 Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI       38    02    OPEN CIRCUIT OR CAN message appears on              Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                    SHORT CIRCUIT TO Cluster.CAN messages               CAN line short—circuit to        Resistance measured with key
CCVSV: Cruise                 GROUND           cannot be viewed on                earth or CAN H and CAN           off directly on EDC ECU
Control    from                                Cluster.          Possible         L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                        communication problem              short—circuiting. Check that     pin B53 (CAN H) must be
Controller                                     with IMMOBILIZER for               all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS            connected.                       Resistance measured with key
                                               suspension        levelling                                         off on wiring between pin B52
                                               operation problem via                                               and pin B53 must be equal to
                                               remote control in cab.                                              120 ohm. 3) Impedance
                                               Speedometer may stay                                                measured between 30—pin
                                               off.                                                                connector pin 21 (CAN H)
                                                                                                                   and pin 22 (CAN L) must be
                                                                                                                   equal to 60 ohm +/—3%
                                                                                                                   (measured with key off and
                                                                                                                   ECUs connected).
COMMUNICATI       38    03    NO SIGNAL             CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                                          Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
CCVSV: Cruise                                       cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                     Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                             communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Controller                                          with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                    cranking. Possible ECAS       connected.                       Resistance measured with key
                                                    suspension        levelling                                    off on wiring between pin B52
                                                    operation problem via                                          and pin B53 must be equal to
                                                    remote control in cab.                                         120 ohm. 3) Impedance
                                                    Speedometer may stay                                           measured between 30—pin
                                                    off.                                                           connector pin 21 (CAN H)
                                                                                                                   and pin 22 (CAN L) must be
                                                                                                                   equal to 60 ohm +/—3%
                                                                                                                   (measured with key off and
                                                                                                                   ECUs connected).
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                    ECUs connected).
                                                                                                                                                            477
                                                                                                                                                      478
   Component
                  DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI       38    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                    RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
BC2EDC2: Body                                  cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
EDC #2                                         communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS       connected.                       Resistance measured with key
                                               suspension        levelling                                    off on wiring between pin B52
                                               operation problem via                                          and pin B53 must be equal to
                                               remote control in cab.                                         120 ohm. 3) Impedance
                                               Speedometer may stay                                           measured between 30—pin
                                               off.                                                           connector pin 21 (CAN H)
                                                                                                              and pin 22 (CAN L) must be
                                                                                                              equal to 60 ohm +/—3%
                                                                                                              (measured with key off and
                                                                                                              ECUs connected).
COMMUNICATI       38    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                    RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
CCVSV: Cruise                                  cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                        communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Controller                                     with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS       connected.                       Resistance measured with key
                                               suspension        levelling                                    off on wiring between pin B52
                                               operation problem via                                          and pin B53 must be equal to
                                               remote control in cab.                                         120 ohm. 3) Impedance
                                               Speedometer may stay                                           measured between 30—pin
                                               off.                                                           connector pin 21 (CAN H)
                                                                                                              and pin 22 (CAN L) must be
                                                                                                              equal to 60 ohm +/—3%
                                                                                                              (measured with key off and
                                                                                                              ECUs connected).
                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                   ECUs connected).
                                                                                                                                                           479
                                                                                                                                                              480
   Component
                  DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI       38    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                    LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
CCVSV: Cruise                                          cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                                communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Controller                                             with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                       cranking. Possible ECAS       connected.                       Resistance measured with key
                                                       suspension        levelling                                    off on wiring between pin B52
                                                       operation problem via                                          and pin B53 must be equal to
                                                       remote control in cab.                                         120 ohm. 3) Impedance
                                                       Speedometer may stay                                           measured between 30—pin
                                                       off.                                                           connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
COMMUNICATI       38    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                    LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
BC2EDC2: Body                                          cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Computer   to                                          Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
EDC #2                                                 communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                       with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                       cranking. Possible ECAS       connected.                       Resistance measured with key
                                                       suspension        levelling                                    off on wiring between pin B52
                                                       operation problem via                                          and pin B53 must be equal to
                                                       remote control in cab.                                         120 ohm. 3) Impedance
                                                       Speedometer may stay                                           measured between 30—pin
                                                       off.                                                           connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        481
                                                                                                                                                       482
   Component
                   DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        39    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                     SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
EBC1: Electronic               GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Brake Controller                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
COMMUNICATI        39    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                     SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
ETC1: Electronic               GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Trasmission                                     Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Controller                                      communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        483
                                                                                                                                                             484
   Component
                   DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        39    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                     PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
EBC1: Electronic                                      cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Brake Controller                                      Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                      communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                      with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                      suspension        levelling                                    off on wiring between pin B52
                                                      operation problem via                                          and pin B53 must be equal to
                                                      remote control in cab.                                         120 ohm. 3) Impedance
                                                      Speedometer may stay                                           measured between 30—pin
                                                      off.                                                           connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
COMMUNICATI        39    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                     PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
ETC1: Electronic                                      cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Trasmission                                           Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Controller                                            communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                      with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                      suspension        levelling                                    off on wiring between pin B52
                                                      operation problem via                                          and pin B53 must be equal to
                                                      remote control in cab.                                         120 ohm. 3) Impedance
                                                      Speedometer may stay                                           measured between 30—pin
                                                      off.                                                           connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
                                                                                                                                                      ELECTRIC/ELECTRONIC SYSTEM
                                                                                                              ECUs connected).
                                                                                                                                                      485
                                                                                                                                                       486
   Component
                   DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        39    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                     RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
EBC1: Electronic                                cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Brake Controller                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
COMMUNICATI        39    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                     RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
ETC1: Electronic                                cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Trasmission                                     Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Controller                                      communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                    ECUs connected).
                                                                                                                                                            487
                                                                                                                                                               488
   Component
                   DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        39    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                     LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
EBC1: Electronic                                        cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Brake Controller                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                        communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                        with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                        cranking. Possible ECAS       connected.                       Resistance measured with key
                                                        suspension        levelling                                    off on wiring between pin B52
                                                        operation problem via                                          and pin B53 must be equal to
                                                        remote control in cab.                                         120 ohm. 3) Impedance
                                                        Speedometer may stay                                           measured between 30—pin
                                                        off.                                                           connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
COMMUNICATI        3A    00    NO      AVAILABLE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — AE:                 SYMPTOM           Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
Torque/Speed                                     cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Control    from                                  Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr)     to                                 communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
EDC                                              with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS              connected.                       Resistance measured with key
                                                 suspension        levelling                                           off on wiring between pin B52
                                                 operation problem via                                                 and pin B53 must be equal to
                                                 remote control in cab.                                                120 ohm. 3) Impedance
                                                 Speedometer may stay                                                  measured between 30—pin
                                                 off.                                                                  connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                 ECUs connected).
                                                                                                                                                         489
                                                                                                                                                        490
   Component
                    DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3A    01    SHORT CIRCUIT TO CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES — AE:                  POSITIVE         Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                     cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr)     to                                 communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
EDC                                              with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
COMMUNICATI         3A    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — DE:                  SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                    GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                        communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder to EDC                                  with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                    ECUs connected).
                                                                                                                                                            491
                                                                                                                                                                492
   Component
                    DTC   FMI         Error type               Visible anomaly                 Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3A    03    NO SIGNAL                CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
ON LINES — DE:                                           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                             cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                                communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder to EDC                                          with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                         cranking. Possible ECAS       connected.                       Resistance measured with key
                                                         suspension        levelling                                    off on wiring between pin B52
                                                         operation problem via                                          and pin B53 must be equal to
                                                         remote control in cab.                                         120 ohm. 3) Impedance
                                                         Speedometer may stay                                           measured between 30—pin
                                                         off.                                                           connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
COMMUNICATI         3A    04    SIGNAL             NOT CAN message appears on          Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — AE:                  PLAUSIBLE              Cluster.CAN messages            CAN line short—circuit to        Resistance measured with key
Torque/Speed                                           cannot be viewed on             earth or CAN H and CAN           off directly on EDC ECU
Control    from                                        Cluster.          Possible      L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr)     to                                       communication problem           short—circuiting. Check that     pin B53 (CAN H) must be
EDC                                                    with IMMOBILIZER for            all vehicle ECUs are             equal to 120 ohm. 2)
                                                       cranking. Possible ECAS         connected.                       Resistance measured with key
                                                       suspension        levelling                                      off on wiring between pin B52
                                                       operation problem via                                            and pin B53 must be equal to
                                                       remote control in cab.                                           120 ohm. 3) Impedance
                                                       Speedometer may stay                                             measured between 30—pin
                                                       off.                                                             connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
                                                                                                               ECUs connected).
                                                                                                                                                       493
                                                                                                                                                               494
   Component
                   DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        3A    07    VALUE OVER           THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
ON LINES — AE:                 NORMAL LIMIT             Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                            cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                         Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr)     to                                        communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
EDC                                                     with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                        cranking. Possible ECAS       connected.                       Resistance measured with key
                                                        suspension        levelling                                    off on wiring between pin B52
                                                        operation problem via                                          and pin B53 must be equal to
                                                        remote control in cab.                                         120 ohm. 3) Impedance
                                                        Speedometer may stay                                           measured between 30—pin
                                                        off.                                                           connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
COMMUNICATI        3A    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                     LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
ETC1: Electronic                                        cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Trasmission                                             Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Controller                                              communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                        with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                        cranking. Possible ECAS       connected.                       Resistance measured with key
                                                        suspension        levelling                                    off on wiring between pin B52
                                                        operation problem via                                          and pin B53 must be equal to
                                                        remote control in cab.                                         120 ohm. 3) Impedance
                                                        Speedometer may stay                                           measured between 30—pin
                                                        off.                                                           connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                       ECUs connected).
                                                                                                                                                               495
                                                                                                                                                      496
   Component
                  DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI       3B    01    SHORT CIRCUIT TO CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                       ELECTRIC/ELECTRONIC SYSTEM
ON LINES — PE:                POSITIVE         Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                   cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
PTO to EDC                                     communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS       connected.                       Resistance measured with key
                                               suspension        levelling                                    off on wiring between pin B52
                                               operation problem via                                          and pin B53 must be equal to
                                               remote control in cab.                                         120 ohm. 3) Impedance
                                               Speedometer may stay                                           measured between 30—pin
                                               off.                                                           connector pin 21 (CAN H)
                                                                                                              and pin 22 (CAN L) must be
                                                                                                              equal to 60 ohm +/—3%
                                                                                                              (measured with key off and
                                                                                                              ECUs connected).
COMMUNICATI       3B    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — PE:                SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                  GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
PTO to EDC                                     communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                               with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                               cranking. Possible ECAS       connected.                       Resistance measured with key
                                               suspension        levelling                                    off on wiring between pin B52
                                               operation problem via                                          and pin B53 must be equal to
                                               remote control in cab.                                         120 ohm. 3) Impedance
                                               Speedometer may stay                                           measured between 30—pin
                                               off.                                                           connector pin 21 (CAN H)
                                                                                                              and pin 22 (CAN L) must be
                                                                                                              equal to 60 ohm +/—3%
                                                                                                              (measured with key off and
                                                                                                              ECUs connected).
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                        ECUs connected).
                                                                                                                                                                497
                                                                                                                                                              498
   Component
                    DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3B    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
ON LINES — PE:                  PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
PTO to EDC                                             communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                       with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                       cranking. Possible ECAS       connected.                       Resistance measured with key
                                                       suspension        levelling                                    off on wiring between pin B52
                                                       operation problem via                                          and pin B53 must be equal to
                                                       remote control in cab.                                         120 ohm. 3) Impedance
                                                       Speedometer may stay                                           measured between 30—pin
                                                       off.                                                           connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
COMMUNICATI         3B    05    SUPPLY OVER THE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — DE:                  NORMAL RANGE    Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
Torque/Speed                                    cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Control      from                               Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                       communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
Retarder to EDC                                 with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS              connected.                       Resistance measured with key
                                                suspension        levelling                                           off on wiring between pin B52
                                                operation problem via                                                 and pin B53 must be equal to
                                                remote control in cab.                                                120 ohm. 3) Impedance
                                                Speedometer may stay                                                  measured between 30—pin
                                                off.                                                                  connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        499
                                                                                                                                                              500
   Component
                    DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3B    06    SUPPLY BELOW THE CAN message appears on              Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
ON LINES — PE:                  RANGE            Cluster.CAN messages                CAN line short—circuit to        Resistance measured with key
Torque/Speed                                     cannot be viewed on                 earth or CAN H and CAN           off directly on EDC ECU
Control    from                                  Cluster.          Possible          L      lines      reciprocally   between pin B52 (CAN L) and
PTO to EDC                                       communication problem               short—circuiting. Check that     pin B53 (CAN H) must be
                                                 with IMMOBILIZER for                all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS             connected.                       Resistance measured with key
                                                 suspension        levelling                                          off on wiring between pin B52
                                                 operation problem via                                                and pin B53 must be equal to
                                                 remote control in cab.                                               120 ohm. 3) Impedance
                                                 Speedometer may stay                                                 measured between 30—pin
                                                 off.                                                                 connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
COMMUNICATI         3B    07    VALUE OVER         THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — DE:                  NORMAL LIMIT           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                      Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                              communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder to EDC                                        with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                       cranking. Possible ECAS       connected.                       Resistance measured with key
                                                       suspension        levelling                                    off on wiring between pin B52
                                                       operation problem via                                          and pin B53 must be equal to
                                                       remote control in cab.                                         120 ohm. 3) Impedance
                                                       Speedometer may stay                                           measured between 30—pin
                                                       off.                                                           connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                        ECUs connected).
                                                                                                                                                                501
                                                                                                                                                               502
   Component
                   DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        3B    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
ON LINES — PE:                 LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                            cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                         Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
PTO to EDC                                              communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                        with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                        cranking. Possible ECAS       connected.                       Resistance measured with key
                                                        suspension        levelling                                    off on wiring between pin B52
                                                        operation problem via                                          and pin B53 must be equal to
                                                        remote control in cab.                                         120 ohm. 3) Impedance
                                                        Speedometer may stay                                           measured between 30—pin
                                                        off.                                                           connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
COMMUNICATI        3C    00    NO      AVAILABLE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TE:                 SYMPTOM           Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
Torque/Speed                                     cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                 Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
to EDC                                           communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
                                                 with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS              connected.                       Resistance measured with key
                                                 suspension        levelling                                           off on wiring between pin B52
                                                 operation problem via                                                 and pin B53 must be equal to
                                                 remote control in cab.                                                120 ohm. 3) Impedance
                                                 Speedometer may stay                                                  measured between 30—pin
                                                 off.                                                                  connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        503
                                                                                                                                                       504
   Component
                   DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        3C    01    SHORT CIRCUIT TO CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
ON LINES — VE:                 POSITIVE         Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                    cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                 Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                         communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                   with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
EDC                                             cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
COMMUNICATI        3C    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TE:                 SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                   GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
to EDC                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
                                                                                                                                                            ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                    ECUs connected).
                                                                                                                                                            505
                                                                                                                                                               506
   Component
                   DTC   FMI         Error type               Visible anomaly                 Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        3C    03    NO SIGNAL                CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
ON LINES — VE:                                          Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                            cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                         Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                                 communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                           with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
EDC                                                     cranking. Possible ECAS       connected.                       Resistance measured with key
                                                        suspension        levelling                                    off on wiring between pin B52
                                                        operation problem via                                          and pin B53 must be equal to
                                                        remote control in cab.                                         120 ohm. 3) Impedance
                                                        Speedometer may stay                                           measured between 30—pin
                                                        off.                                                           connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
COMMUNICATI        3C    04    SIGNAL             NOT CAN message appears on          Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TE:                 PLAUSIBLE              Cluster.CAN messages            CAN line short—circuit to        Resistance measured with key
Torque/Speed                                          cannot be viewed on             earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                      Cluster.          Possible      L      lines      reciprocally   between pin B52 (CAN L) and
to EDC                                                communication problem           short—circuiting. Check that     pin B53 (CAN H) must be
                                                      with IMMOBILIZER for            all vehicle ECUs are             equal to 120 ohm. 2)
                                                      cranking. Possible ECAS         connected.                       Resistance measured with key
                                                      suspension        levelling                                      off on wiring between pin B52
                                                      operation problem via                                            and pin B53 must be equal to
                                                      remote control in cab.                                           120 ohm. 3) Impedance
                                                      Speedometer may stay                                             measured between 30—pin
                                                      off.                                                             connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                     ECUs connected).
                                                                                                                                                             507
                                                                                                                                                       508
   Component
                   DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI        3C    05    SUPPLY OVER THE CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
ON LINES — VE:                 NORMAL RANGE    Cluster.CAN messages           CAN line short—circuit to        Resistance measured with key
Torque/Speed                                   cannot be viewed on            earth or CAN H and CAN           off directly on EDC ECU
Control    from                                Cluster.          Possible     L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                        communication problem          short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                  with IMMOBILIZER for           all vehicle ECUs are             equal to 120 ohm. 2)
EDC                                            cranking. Possible ECAS        connected.                       Resistance measured with key
                                               suspension        levelling                                     off on wiring between pin B52
                                               operation problem via                                           and pin B53 must be equal to
                                               remote control in cab.                                          120 ohm. 3) Impedance
                                               Speedometer may stay                                            measured between 30—pin
                                               off.                                                            connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
COMMUNICATI        3C    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TE:                 RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                    cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
to EDC                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS       connected.                       Resistance measured with key
                                                suspension        levelling                                    off on wiring between pin B52
                                                operation problem via                                          and pin B53 must be equal to
                                                remote control in cab.                                         120 ohm. 3) Impedance
                                                Speedometer may stay                                           measured between 30—pin
                                                off.                                                           connector pin 21 (CAN H)
                                                                                                               and pin 22 (CAN L) must be
                                                                                                               equal to 60 ohm +/—3%
                                                                                                               (measured with key off and
                                                                                                               ECUs connected).
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                       ECUs connected).
                                                                                                                                                               509
                                                                                                                                                          510
   Component
                     DTC   FMI          Error type           Visible anomaly             Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI          3D    00    NO      AVAILABLE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                           ELECTRIC/ELECTRONIC SYSTEM
ON LINES — AR:                   SYMPTOM           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                       cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr) to                                       communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Engine Brake                                       with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                   cranking. Possible ECAS       connected.                       Resistance measured with key
                                                   suspension        levelling                                    off on wiring between pin B52
                                                   operation problem via                                          and pin B53 must be equal to
                                                   remote control in cab.                                         120 ohm. 3) Impedance
                                                   Speedometer may stay                                           measured between 30—pin
                                                   off.                                                           connector pin 21 (CAN H)
                                                                                                                  and pin 22 (CAN L) must be
                                                                                                                  equal to 60 ohm +/—3%
                                                                                                                  (measured with key off and
                                                                                                                  ECUs connected).
COMMUNICATI          3D    00    NO      AVAILABLE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — DR:                   SYMPTOM           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                       cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder        to                                 with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                       cranking. Possible ECAS       connected.                       Resistance measured with key
                                                   suspension        levelling                                    off on wiring between pin B52
                                                   operation problem via                                          and pin B53 must be equal to
                                                   remote control in cab.                                         120 ohm. 3) Impedance
                                                   Speedometer may stay                                           measured between 30—pin
                                                   off.                                                           connector pin 21 (CAN H)
                                                                                                                  and pin 22 (CAN L) must be
                                                                                                                  equal to 60 ohm +/—3%
                                                                                                                  (measured with key off and
                                                                                                                  ECUs connected).
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                 ECUs connected).
                                                                                                                                                         511
                                                                                                                                                             512
   Component
                    DTC   FMI         Error type            Visible anomaly                 Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3D    02    OPEN CIRCUIT OR CAN message appears on              Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
ON LINES — AR:                  SHORT CIRCUIT TO Cluster.CAN messages               CAN line short—circuit to        Resistance measured with key
Torque/Speed                    GROUND           cannot be viewed on                earth or CAN H and CAN           off directly on EDC ECU
Control      from                                Cluster.          Possible         L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr) to                                     communication problem              short—circuiting. Check that     pin B53 (CAN H) must be
Engine Brake                                     with IMMOBILIZER for               all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS            connected.                       Resistance measured with key
                                                 suspension        levelling                                         off on wiring between pin B52
                                                 operation problem via                                               and pin B53 must be equal to
                                                 remote control in cab.                                              120 ohm. 3) Impedance
                                                 Speedometer may stay                                                measured between 30—pin
                                                 off.                                                                connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
COMMUNICATI         3D    03    NO SIGNAL             CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — AR:                                        Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                          cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                     Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr) to                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Engine Brake                                          with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                      suspension        levelling                                    off on wiring between pin B52
                                                      operation problem via                                          and pin B53 must be equal to
                                                      remote control in cab.                                         120 ohm. 3) Impedance
                                                      Speedometer may stay                                           measured between 30—pin
                                                      off.                                                           connector pin 21 (CAN H)
                                                                                                                     and pin 22 (CAN L) must be
                                                                                                                     equal to 60 ohm +/—3%
                                                                                                                     (measured with key off and
                                                                                                                     ECUs connected).
                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                      ECUs connected).
                                                                                                                                                              513
                                                                                                                                                        514
   Component
                    DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3D    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES — AR:                  RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                     cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr) to                                     communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Engine Brake                                     with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
COMMUNICATI         3D    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — VE:                  RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                     cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                    with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
EDC                                              cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                     ECUs connected).
                                                                                                                                                             515
                                                                                                                                                                516
   Component
                    DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3D    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
ON LINES — VE:                  LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                             cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control    from                                          Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                                  communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                            with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
EDC                                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                         suspension        levelling                                    off on wiring between pin B52
                                                         operation problem via                                          and pin B53 must be equal to
                                                         remote control in cab.                                         120 ohm. 3) Impedance
                                                         Speedometer may stay                                           measured between 30—pin
                                                         off.                                                           connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
COMMUNICATI         3D    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — AR:                  LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                             cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
ATC (Asr) to                                             communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Engine Brake                                             with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                         cranking. Possible ECAS       connected.                       Resistance measured with key
                                                         suspension        levelling                                    off on wiring between pin B52
                                                         operation problem via                                          and pin B53 must be equal to
                                                         remote control in cab.                                         120 ohm. 3) Impedance
                                                         Speedometer may stay                                           measured between 30—pin
                                                         off.                                                           connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        517
                                                                                                                                                         518
   Component
                     DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI          3E    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
ON LINES — DR:                   SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                     GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                 Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                         communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder        to                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                  suspension        levelling                                    off on wiring between pin B52
                                                  operation problem via                                          and pin B53 must be equal to
                                                  remote control in cab.                                         120 ohm. 3) Impedance
                                                  Speedometer may stay                                           measured between 30—pin
                                                  off.                                                           connector pin 21 (CAN H)
                                                                                                                 and pin 22 (CAN L) must be
                                                                                                                 equal to 60 ohm +/—3%
                                                                                                                 (measured with key off and
                                                                                                                 ECUs connected).
COMMUNICATI          3E    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TR:                   SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                     GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
to Engine Brake                                   communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                  with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                  cranking. Possible ECAS       connected.                       Resistance measured with key
                                                  suspension        levelling                                    off on wiring between pin B52
                                                  operation problem via                                          and pin B53 must be equal to
                                                  remote control in cab.                                         120 ohm. 3) Impedance
                                                  Speedometer may stay                                           measured between 30—pin
                                                  off.                                                           connector pin 21 (CAN H)
                                                                                                                 and pin 22 (CAN L) must be
                                                                                                                 equal to 60 ohm +/—3%
                                                                                                                 (measured with key off and
                                                                                                                 ECUs connected).
                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                  ECUs connected).
                                                                                                                                                          519
                                                                                                                                                               520
   Component
                     DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI          3E    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
ON LINES — DR:                   PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                            cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                       Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                               communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder        to                                      with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                            cranking. Possible ECAS       connected.                       Resistance measured with key
                                                        suspension        levelling                                    off on wiring between pin B52
                                                        operation problem via                                          and pin B53 must be equal to
                                                        remote control in cab.                                         120 ohm. 3) Impedance
                                                        Speedometer may stay                                           measured between 30—pin
                                                        off.                                                           connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
COMMUNICATI          3E    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TR:                   PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                            cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
to Engine Brake                                         communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                        with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                        cranking. Possible ECAS       connected.                       Resistance measured with key
                                                        suspension        levelling                                    off on wiring between pin B52
                                                        operation problem via                                          and pin B53 must be equal to
                                                        remote control in cab.                                         120 ohm. 3) Impedance
                                                        Speedometer may stay                                           measured between 30—pin
                                                        off.                                                           connector pin 21 (CAN H)
                                                                                                                       and pin 22 (CAN L) must be
                                                                                                                       equal to 60 ohm +/—3%
                                                                                                                       (measured with key off and
                                                                                                                       ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        521
                                                                                                                                                         522
   Component
                     DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI          3E    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                          ELECTRIC/ELECTRONIC SYSTEM
ON LINES — DR:                   RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                      cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                 Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                         communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder        to                                with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                      cranking. Possible ECAS       connected.                       Resistance measured with key
                                                  suspension        levelling                                    off on wiring between pin B52
                                                  operation problem via                                          and pin B53 must be equal to
                                                  remote control in cab.                                         120 ohm. 3) Impedance
                                                  Speedometer may stay                                           measured between 30—pin
                                                  off.                                                           connector pin 21 (CAN H)
                                                                                                                 and pin 22 (CAN L) must be
                                                                                                                 equal to 60 ohm +/—3%
                                                                                                                 (measured with key off and
                                                                                                                 ECUs connected).
COMMUNICATI          3E    06    SUPPLY BELOW THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TR:                   RANGE            Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                      cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
to Engine Brake                                   communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                  with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                  cranking. Possible ECAS       connected.                       Resistance measured with key
                                                  suspension        levelling                                    off on wiring between pin B52
                                                  operation problem via                                          and pin B53 must be equal to
                                                  remote control in cab.                                         120 ohm. 3) Impedance
                                                  Speedometer may stay                                           measured between 30—pin
                                                  off.                                                           connector pin 21 (CAN H)
                                                                                                                 and pin 22 (CAN L) must be
                                                                                                                 equal to 60 ohm +/—3%
                                                                                                                 (measured with key off and
                                                                                                                 ECUs connected).
                                                                                                                                                              ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                      ECUs connected).
                                                                                                                                                              523
                                                                                                                                                                 524
   Component
                     DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI          3E    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                  ELECTRIC/ELECTRONIC SYSTEM
ON LINES — DR:                   LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                              cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                         Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Driveline                                                 communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Retarder        to                                        with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                              cranking. Possible ECAS       connected.                       Resistance measured with key
                                                          suspension        levelling                                    off on wiring between pin B52
                                                          operation problem via                                          and pin B53 must be equal to
                                                          remote control in cab.                                         120 ohm. 3) Impedance
                                                          Speedometer may stay                                           measured between 30—pin
                                                          off.                                                           connector pin 21 (CAN H)
                                                                                                                         and pin 22 (CAN L) must be
                                                                                                                         equal to 60 ohm +/—3%
                                                                                                                         (measured with key off and
                                                                                                                         ECUs connected).
COMMUNICATI          3F    00    NO      AVAILABLE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — VR:                   SYMPTOM           Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
Torque/Speed                                       cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Control      from                                  Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                            communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                      with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                       cranking. Possible ECAS              connected.                       Resistance measured with key
                                                   suspension        levelling                                           off on wiring between pin B52
                                                   operation problem via                                                 and pin B53 must be equal to
                                                   remote control in cab.                                                120 ohm. 3) Impedance
                                                   Speedometer may stay                                                  measured between 30—pin
                                                   off.                                                                  connector pin 21 (CAN H)
                                                                                                                         and pin 22 (CAN L) must be
                                                                                                                         equal to 60 ohm +/—3%
                                                                                                                         (measured with key off and
                                                                                                                         ECUs connected).
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                 ECUs connected).
                                                                                                                                                         525
                                                                                                                                                        526
   Component
                    DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3F    01    SHORT CIRCUIT TO CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                      POSITIVE         Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
VM2EDC2:                                         cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Vehicle                                          Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Management to                                    communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
EDC #2                                           with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
COMMUNICATI         3F    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — VR:                  SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                    GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                    with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                     cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
                                                                                                                                                             ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                     ECUs connected).
                                                                                                                                                             527
                                                                                                                                                                528
   Component
                    DTC   FMI         Error type               Visible anomaly                 Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3F    03    NO SIGNAL                CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
ON LINES —                                               Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
VM2EDC2:                                                 cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Vehicle                                                  Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Management to                                            communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
EDC #2                                                   with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                         cranking. Possible ECAS       connected.                       Resistance measured with key
                                                         suspension        levelling                                    off on wiring between pin B52
                                                         operation problem via                                          and pin B53 must be equal to
                                                         remote control in cab.                                         120 ohm. 3) Impedance
                                                         Speedometer may stay                                           measured between 30—pin
                                                         off.                                                           connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
COMMUNICATI         3F    04    SIGNAL             NOT CAN message appears on          Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — VR:                  PLAUSIBLE              Cluster.CAN messages            CAN line short—circuit to        Resistance measured with key
Torque/Speed                                           cannot be viewed on             earth or CAN H and CAN           off directly on EDC ECU
Control      from                                      Cluster.          Possible      L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                                communication problem           short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                          with IMMOBILIZER for            all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                           cranking. Possible ECAS         connected.                       Resistance measured with key
                                                       suspension        levelling                                      off on wiring between pin B52
                                                       operation problem via                                            and pin B53 must be equal to
                                                       remote control in cab.                                           120 ohm. 3) Impedance
                                                       Speedometer may stay                                             measured between 30—pin
                                                       off.                                                             connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        529
                                                                                                                                                                530
   Component
                    DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         3F    07    VALUE OVER           THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
ON LINES — VR:                  NORMAL LIMIT             Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                             cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control      from                                        Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Vehicle                                                  communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
Management to                                            with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
Engine Brake                                             cranking. Possible ECAS       connected.                       Resistance measured with key
                                                         suspension        levelling                                    off on wiring between pin B52
                                                         operation problem via                                          and pin B53 must be equal to
                                                         remote control in cab.                                         120 ohm. 3) Impedance
                                                         Speedometer may stay                                           measured between 30—pin
                                                         off.                                                           connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
COMMUNICATI         3F    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — TR:                  LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Torque/Speed                                             cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Control from ETC                                         Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
to Engine Brake                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                         with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                         cranking. Possible ECAS       connected.                       Resistance measured with key
                                                         suspension        levelling                                    off on wiring between pin B52
                                                         operation problem via                                          and pin B53 must be equal to
                                                         remote control in cab.                                         120 ohm. 3) Impedance
                                                         Speedometer may stay                                           measured between 30—pin
                                                         off.                                                           connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                        ECUs connected).
                                                                                                                                                                531
                                                                                                                                                        532
   Component
                    DTC   FMI         Error type            Visible anomaly            Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         40    01    SHORT CIRCUIT TO CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                         ELECTRIC/ELECTRONIC SYSTEM
ON LINES — WSI:                 POSITIVE         Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Wheel       Speed                                cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Information                                      Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                 communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                 with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
COMMUNICATI         40    02    OPEN CIRCUIT OR CAN message appears on         Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES — WSI:                 SHORT CIRCUIT TO Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Wheel       Speed               GROUND           cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Information                                      Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                 communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                 with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS       connected.                       Resistance measured with key
                                                 suspension        levelling                                    off on wiring between pin B52
                                                 operation problem via                                          and pin B53 must be equal to
                                                 remote control in cab.                                         120 ohm. 3) Impedance
                                                 Speedometer may stay                                           measured between 30—pin
                                                 off.                                                           connector pin 21 (CAN H)
                                                                                                                and pin 22 (CAN L) must be
                                                                                                                equal to 60 ohm +/—3%
                                                                                                                (measured with key off and
                                                                                                                ECUs connected).
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                        ECUs connected).
                                                                                                                                                                533
                                                                                                                                                              534
   Component
                    DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         40    04    SIGNAL             NOT CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
ON LINES — WSI:                 PLAUSIBLE              Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Wheel       Speed                                      cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Information                                            Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                       communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                       with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                       cranking. Possible ECAS       connected.                       Resistance measured with key
                                                       suspension        levelling                                    off on wiring between pin B52
                                                       operation problem via                                          and pin B53 must be equal to
                                                       remote control in cab.                                         120 ohm. 3) Impedance
                                                       Speedometer may stay                                           measured between 30—pin
                                                       off.                                                           connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
COMMUNICATI         40    05    SUPPLY OVER THE CAN message appears on               Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                      NORMAL RANGE    Cluster.CAN messages                 CAN line short—circuit to        Resistance measured with key
VM2EDC2:                                        cannot be viewed on                  earth or CAN H and CAN           off directly on EDC ECU
Vehicle                                         Cluster.          Possible           L      lines      reciprocally   between pin B52 (CAN L) and
Management to                                   communication problem                short—circuiting. Check that     pin B53 (CAN H) must be
EDC #2                                          with IMMOBILIZER for                 all vehicle ECUs are             equal to 120 ohm. 2)
                                                cranking. Possible ECAS              connected.                       Resistance measured with key
                                                suspension        levelling                                           off on wiring between pin B52
                                                operation problem via                                                 and pin B53 must be equal to
                                                remote control in cab.                                                120 ohm. 3) Impedance
                                                Speedometer may stay                                                  measured between 30—pin
                                                off.                                                                  connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
                                                                                                                                                        ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                ECUs connected).
                                                                                                                                                        535
                                                                                                                                                              536
   Component
                    DTC   FMI         Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         40    06    SUPPLY BELOW THE CAN message appears on              Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                               ELECTRIC/ELECTRONIC SYSTEM
ON LINES — WSI:                 RANGE            Cluster.CAN messages                CAN line short—circuit to        Resistance measured with key
Wheel       Speed                                cannot be viewed on                 earth or CAN H and CAN           off directly on EDC ECU
Information                                      Cluster.          Possible          L      lines      reciprocally   between pin B52 (CAN L) and
                                                 communication problem               short—circuiting. Check that     pin B53 (CAN H) must be
                                                 with IMMOBILIZER for                all vehicle ECUs are             equal to 120 ohm. 2)
                                                 cranking. Possible ECAS             connected.                       Resistance measured with key
                                                 suspension        levelling                                          off on wiring between pin B52
                                                 operation problem via                                                and pin B53 must be equal to
                                                 remote control in cab.                                               120 ohm. 3) Impedance
                                                 Speedometer may stay                                                 measured between 30—pin
                                                 off.                                                                 connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
COMMUNICATI         40    07    VALUE OVER         THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
ON LINES —                      NORMAL LIMIT           Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
VM2EDC2:                                               cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Vehicle                                                Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
Management to                                          communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
EDC #2                                                 with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                       cranking. Possible ECAS       connected.                       Resistance measured with key
                                                       suspension        levelling                                    off on wiring between pin B52
                                                       operation problem via                                          and pin B53 must be equal to
                                                       remote control in cab.                                         120 ohm. 3) Impedance
                                                       Speedometer may stay                                           measured between 30—pin
                                                       off.                                                           connector pin 21 (CAN H)
                                                                                                                      and pin 22 (CAN L) must be
                                                                                                                      equal to 60 ohm +/—3%
                                                                                                                      (measured with key off and
                                                                                                                      ECUs connected).
                                                                                                                                                                ELECTRIC/ELECTRONIC SYSTEM
                                                                                                                        ECUs connected).
                                                                                                                                                                537
                                                                                                                                                                538
   Component
                    DTC   FMI           Error type               Visible anomaly               Possible cause                Recommended repairs        Notes
     failure
COMMUNICATI         40    08    VALUE    BELOW       THE CAN message appears on        Possible CAN line problem:       Check CAN VDB line: 1)
                                                                                                                                                                 ELECTRIC/ELECTRONIC SYSTEM
ON LINES — WSI:                 LIMIT                    Cluster.CAN messages          CAN line short—circuit to        Resistance measured with key
Wheel       Speed                                        cannot be viewed on           earth or CAN H and CAN           off directly on EDC ECU
Information                                              Cluster.          Possible    L      lines      reciprocally   between pin B52 (CAN L) and
                                                         communication problem         short—circuiting. Check that     pin B53 (CAN H) must be
                                                         with IMMOBILIZER for          all vehicle ECUs are             equal to 120 ohm. 2)
                                                         cranking. Possible ECAS       connected.                       Resistance measured with key
                                                         suspension        levelling                                    off on wiring between pin B52
                                                         operation problem via                                          and pin B53 must be equal to
                                                         remote control in cab.                                         120 ohm. 3) Impedance
                                                         Speedometer may stay                                           measured between 30—pin
                                                         off.                                                           connector pin 21 (CAN H)
                                                                                                                        and pin 22 (CAN L) must be
                                                                                                                        equal to 60 ohm +/—3%
                                                                                                                        (measured with key off and
                                                                                                                        ECUs connected).