TABLE OF CONTENTS

1.0 INTRODUCTIONN 1

1.1SCOPE OF THE SYSTEM1

1.2SIX-STEP PROCEDURE FOR LOCATING AND
FAULT RESOLUTION 1

2.0 SYSTEM IDENTIFICATION1

3.0 DESCRIPTION OF THE SYSTEM AND FUNCTIONAL OPERATION

3.1GENERAL DESCRIPTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
3.2OPERATION WORKSL 1
3.2.1 AUTOSTICK CHARACTERISTIC (IF APPLICABLE) ........2
3.2.2 FUNCTIONING OF THE TRANSMISSION AND DIAGRAMS OF
CHANGES WITH VARIOUS OIL TEMPERATURES. . . . . . . . .2
3.3FAULT DIAGNOSTIC CODES3
3.3.1 PERMANENT CODE..........4
3.3.2 FAILURES OF A CYCLE 4
3.3.3 INTERMITTENT CODE4
3.3.4 START COUNTER FROM ESTABLISHMENTO ........4
3.3.5 DELETION OF FAULT CODES4
3.3.6 LIST OF FAILURE DIAGNOSTIC CODES
(THE LIST IS FOLLOWED BY DETAILED DESCRIPTIONS)) . . . . . . . . .4
3.3.7 DTC DESCRIPTIONS6
3.3.8 RAPID LEARNINGO 20
3.3.9 Clutch Volumes21
3.3.10ELECTRONIC PINION FACTOR. . . . . . . . . . . . . . . . . . . . . . . . . .21
3.4USE OF THE DRBIII 21
3.5DRBIII ERROR MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
3.5.1 THE DRB III NOT TURNING ON (WHITE SCREEN). . . . . . . . .22
3.5.2 THE SCREEN IS NOT VISIBLE22
3.6 TRANSMISSION SIMULATOR (MILLER TOOL N 8333) AND
FWD ADAPTER (MILLER TOOL NO. 8333-1) 22

4.0 Disclaimer of Responsibilities, Security and Warnings ....22

4.1Disclaimer of Responsibilities22
4.2SECURITY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
4.2.1 SAFETY INFORMATION FOR THE TECHNICIAN. . . . . . . . . . . .23
4.2.2 PREPARATION OF THE VEHICLE FOR TESTING. . . . . . . . . . .23
4.2.3 SUBSET SERVICE23
4.2.4 SAFETY INFORMATION ABOUT THE DRBIII 23
4.3WARNINGS 24
4.3.1 WARNINGS ABOUT DAMAGE TO THE VEHICLE24
4.3.2 ROAD TEST OF A VEHICLE SUBJECT TO
COMPLAINT24
4.3.3 WARNINGS ABOUT THE ELECTRONIC GEAR RATIO
(IF APPLICABLE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
4.3.4 Bulletins and Calls for Review. . . . . . . . . . . . . . . . . . . . . . . .25

5.0 TOOLS AND EQUIPMENT REQUIRED..................................................25

i
 INDEX OF SUBJECTS - (Continuation)
6.0 GLOSSARY OF TERMSS 25

6.1ACRONYMS25
6.2DEFINITIONS26

7.0 DIAGNOSTIC INFORMATION AND PROCEDURES 27

COMMUNICATIONS
LACK OF RESPONSE FROM THE CONTROL MODULE OF THE
TRANSMISSION

TRANSMISSION
P0120-THROTTLE POSITION SENSOR SIGNAL CIRCUIT
accelerator31
P0218-HIGH TEMPERATURE OPERATION ACTIVATED34
P0562-LOW BATTERY VOLTAGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
P0604-INTERNAL TCM40
P0605-INTERNO DEL TCM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
P0613 - INTERNAL FAILURE OF THE TCM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
P0706 - CHECK OF SHIFTER SIGNAL43
P0715-ERROR IN POWER TAKE-OFF SPEED SENSOR N 50
P0720-TRANSMISSION SPEED SENSOR ERROR54
P0725-ENGINE SPEED SENSOR CIRCUIT58
P0731-SPEED RATIO ERROR IN 1 a61
P0732 - SPEED RATIO ERROR IN 2a63
P0733 - SPEED RATIO ERROR IN 3a66
P0734 - GEAR RATIO ERROR IN 4a69
P0736-REVERSE SPEED RATIO ERROR72
P0740-CLUTCH CONTROL CIRCUIT OF THE TORQUE CONVERTERR . .74
P0750-L-R SOLENOID CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
P0755 - 2/4 Solenoid Circuit 80
P0760-OD Solenoid Circuit84
P0765-UD Solenoid Circuit 88
P0841 - LR Pressure Switch Circuit Detection....92
P0845-HYDRAULIC PRESSURE TEST FAILURE OF 2/497
P0846 - 2/4 Pressure Switch Circuit Detection. . . .102
P0870-HYDRAULIC PRESSURE TEST FAILURE OF OD107
P0871 - OD Pressure Switch Detection Circuit. . . .112
P0884-ACTIVATION AT SPEEDD 117
P0888 - RELAY OUTPUT ALWAYS DEACTIVATED................................................118
P0890-SWITCHED BATTERY123
P0891 - TRANSMISSION RELAY ALWAYS ON 126
P0897 - TRANSMISSION FLUID DETERIORATED OR BURNED......129
P0944-LOSS OF PRIMING 131
P0951-AUTOSTICK SENSOR CIRCUIT134
P0992-HYDRAULIC PRESSURE TEST FAILURE OF 2-4/OD ................................137
P1652-INCORRECT OPERATION OF COMMUNICATION LINK IN
SERIES139
P1684-THE BATTERY HAS BEEN DISCONNECTED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
P1687-LACK OF COMMUNICATION WITH THE MIC 144
P1694-BUS COMMUNICATION WITH THE ENGINE MODULE146
P1775 - SOLENOID SWITCH VALVE BLOCKED IN THE
POSITION OF THE TCC148

ii
 INDEX OF SUBJECTS - (Continuation)
P1776 - SOLENOID SWITCHING VALVE BLOCKED IN THE
LR POSITION
P1790-FAIL IMMEDIATELY AFTER THE CHANGE158
P1793 - TRD Link Communication Error 159
P1794 - SPEED SENSOR MASS ERRORD163
P1797-MANUAL TRANSMISSION REHEATING 166
P1799-CALCULATED OIL TEMPERATURE IN USE168
THE REVERSE LIGHTS TURN ON WITHOUT THE
SWITCH THIS IN REVERSE POSITION173
REVERSE LIGHTS THAT DO NOT WORK175
VERIFICATION OF SWITCH OPERATION
PARKING/NEUTRAL POINT178
TRANSMISSION FLUID LEVEL INCORRECT180
*WITHOUT MANUAL OPERATION OF THE AUTOSTICK181
NO SPEEDOMETER FUNCTIONING.........................................................183
NOISY TRANSMISSION WITHOUT DTC PRESENCE. . . . . . . . . . . . . . . . . . . . . . . .184
PREMATURE TRANSMISSION CHANGES WITHOUT THE PRESENCE OF DTC185
THE 8333 TRANSMISSION SIMULATOR DOES NOT ACTIVATE. . . . . . . . . . . . . . . . .186

Verification tests
Verification testsn187

8.0 LOCATION OF COMPONENTS189

8.1AUTOSTICK SWITCH189
8.2CONTROL MODULE OF THE TRANSMISSION MECHANISMN 189
8.3LOCATIONS OF THE PRESSURE ORIFICE189
8.4LOCATION OF TRANSMISSION COMPONENTS190
8.5TRANSMISSION CONTROL MODULE190

9.0 Connector Pins191

AUTOSTICK SWITCH - BLACK 4 WAYS.........................191

C3 BODY CONTROL MODULE - GRAY 16 WAYS191
BRAKE LIGHT SWITCH - GRAY 6 WAY...........................................................191
LOCKING SOLENOID OF THE GEARSHIFT LEVER
ACTUATED BY THE BRAKE PEDAL - WHITE 2 WAYS ....................................................... 191
C104 (EATX) - LIGHT GRAY (AUTOMATIC TRANSMISSION SIDE) .192
C104 (EATX) - LIGHT GRAY (SIDE OF THE LIGHT AND DASHBOARD)......192
C105 (EATX) - BLACK (AUTOMATIC TRANSMISSION SIDE)192
C105 (EATX) - BLACK (LIGHT AND DASHBOARD SIDE)192
DATA LINK CONNECTOR - BLACK 16 PIN ...
SPEED SENSOR OUTPUT - GRAY 2 WAYS...
FUSES (TC) 195
LEFT REVERSE LIGHT - BLACK 2 WAYS195
SPEED SENSOR OUTPUT - GRAY 2 WAYS. . . . . . . . . . . . . . . . . . . . . . . .195
FUSES (PDC).................197
TRANSMISSION CONTROL RELAY...
MODULE C1 OF CONTROL OF THE TRANSMISSION MECHANISM C1 - GRAY 40
VIAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .198
MODULE C2 OF TRANSMISSION MECHANISM CONTROL - GRAY 40
VIAS 199
RIGHT REVERSE LIGHT - GRAY 2 WIRE...
THROTTLE POSITION SENSOR (2.0L/2.4L) - NATURAL 3 WAY200

iii
 INDEX OF SUBJECTS - (Continuation)
THROTTLE POSITION SENSOR (2.7L) - BLACK 3 WIRE200
GEARBOX CONTROL MODULE - BLACK 60 CHANNELS201
TRANSMISSION POSITION SENSOR - DK. GRAY 10 WAYS 202
PRESSURE SWITCH/SOLENOID BOX SET
CHANGES - BLACK 8 WAYS.............. 202

10.0 DIAGRAMS SCHEMATICS203

11.0 TABLES AND GRAPHICS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205

11.1FAILURE CODES OF THE GEAR LEVERS 205

11.2APPLICATION CHART OF THE SOLENOID205
11.3STATES OF THE PRESSURE SWITCH OF THE GEARBOX. .206
11.4STATUS OF THE GEARBOX POSITION SENSOR 206

iv
 GENERAL INFORMATION
1.0 INTRODUCTION impulse speed sensor and speed sensor
of transmission located on the same side of the
The procedures in this manual include to- transmission. To obtain the descriptions of the
the specifications, instructions, and graphics transmission identification label, with-
necessary to diagnose problems in the box service information sheet.
of automatic electronic transmission (EATX) 41TE/
AE. The diagnoses in this manual are based on the
condition or symptom of failure present at the moment 3.0 DESCRIPTION OF
to carry out the diagnosis. SYSTEM AND OPERATION
When it is necessary to make a repair, FUNCTIONAL
consult the appropriate volume of the service manual
CEOtoinquireabouttheproceduresof
properdisassemblyandrepair. 3.1GENERALDESCRIPTION
The diagnostic procedures are modified.
every year. New systems can be added The electronic transmission 41TE/AE is a
for diagnosis and/or improving the existing systems conventional gearbox in which are used
tents. BEFORE ATTEMPTING TO DIAGNOSE hydraulically applied clutches for trucks
A VEHICLE ERROR CODE, READ to be a train of planetary gears. Without em-
THISMANUAL.Werecommendreviewing bargo,theelectroniccontrolsystemreplaces
the entire manual, to become familiar with all the many of the mechanical and hydraulic components
new diagnostic procedures and those that usedintransmissionvalvebodies
ithaschanged. conventional.
This manual reflects many suggested changes.
forreadersofpreviousversions.Ifyouwanttoreali- 3.2FUNCTIONALOPERATION
Do you have any comments or recommendations after
read this manual, please complete the form The 41TE/AE electronic transmission has
includedonthebackofthemanualandsenditbacktous ofacompletelyadaptablecontrolsystem.
of mail. The system performs its functions based on
sensor feedback information in
1.1SCOPEOFTHESYSTEM realtime.Thecontrolsystemadaptsautomatically.
mathematically to the changes in the functioning of the
This diagnostic procedure manual motor and the variations of the friction element
covers all vehicles J R41/J R27 2002 equipment- toprovideauniformqualityofchange.
two with a gearbox 41TE/AE. The control system ensures that the function-
clutchengagementduringupshifts
1.2SIX-STEPPROCEDURE ascendants and descendants have a better response
withoutanincreaseinhardness.
FORLOCAL
ZIA
T
OINAND
The Transmission Control Module (TCM)
F
AUR
L
T
ES
OLU
OT
IN continuously monitors the existence of problems
electrical,mechanicalandsomehydraulicproblems
The diagnosis of the electronic gearbox
Whenaproblemisdetected,theTCMsoul-
41TE/AE is carried out in six basic steps:
a diagnostic fault code. Some of
• claim verification these codes cause the gearbox to engage
• verificationofanysymptomsrelatedto inlimp-inmodeorbydefault.Whenitisinthis
thesame thus, the power supply to the box is removed
changes through the TCM, deselecting the relay of
• analysis of the symptom
transmission control, and taking the feed-
• problem identification actionofthesetofsolenoids.Whenthishappens,
• repair of the isolated problem the only mechanical functions of the gearbox
bios son:
• verificationofproperfunctioning Parking and neutral
Reverse
2.0 IDENTIFICATION OF Secondgear
No upward or downward changes are allowed.
SYSTEM teeth.Onlythepositionofthemanualvalve
it allows the three available positions.
Vehicles equipped with 4 transmission
Although being in this mode, the performance of the
speeds have the solenoid/switch of
pressure, transmission position sensor, sen-

1
GENERAL INFORMATION
vehicledecreasesseriously,theownerstill the vehicle is driven aggressively in a
youcandrivethevehicletotheworkshop. low march, the calculated oil temperature
WhentheDRBIIIisinthepartof it will be imprecise. Consequently, the scheme of
EATX of the diagnostic program, monitors selected changes may be inappropriate
constantly the TCM to detect if the system forthecurrentconditions.Theconditionsapply-
itisinlimp-inmode.Ifthetransmission cables from the various shift schemes are the
it is in limp-in mode, the DRBIII will next:
flash the red LED. Extreme river: Oil temperature below
-26.6º C (-16º F)
3.2.1FEATUREOFAUTOSTICK Switch to the Cold scheme with a temperature of
oil above –24º C (-12º)
(IF APPLICABLE)
Parking, reverse, neutral
Thisfeatureallowsthedrivertochange and only 2nd (avoid changes that can
manuallythegearboxwhenthelever to provoke the failure of the clutch if performed
shiftsbackward,tothepositionof frequently
AutoStick. In that position, the instrument cluster... Oil temperature at the time of the
You visualize the ongoing march. startup above –24º C (-12º F) and
below 2.2º C (36º F)
3.2.2FUNCTIONINGOFTHE Switch to the mild scheme with a temperature of
TRANSMS
IS
OINANDSCHEMES
OF oil above 4.4º C (40º F)
CHANGES
WTIH
V
ARO
IUS Delayed upward change 2-3 approximately
approximately35-50Km/h(22-31MPH)
O
LT
E
IMP
ER
AT
URE
S
Delayed upward shift 3-4 72-85 Km/h
Thetransmissioncoveredinthismanualfeatures (45-53 MPH)
with exclusive change schemes based on
the temperature of the transmission oil. The Premature downward shift 4-3 approx-
approximately48Km/h(30MPH)
the change scheme is modified to extend the
lifeofthetransmissionwhenoperatingunderconditions Premature descending change 3-2 approx-
operatingextremes. approximately27Km/h(17MPH)
Theoiltemperatureismeasuredwithasensor. Withdrawal changes 4-2, 3-2, 2-1 are avoided
transmission temperature of 41TE/AE. The high speed
temperaturesensorisanintegratedcomponent
ofthetransmissionpositionsensor(TRS).Ifthe Without EMCC
temperaturesensorisfaulty,thetransmi- Tibia:Oitemperatur
l eatthetimeofthe
session will default to a DTC P1799(74) of startup above 2.2º (36º F) and by
calculated oil temperature.The temperature below27ºC(36ºF)
Theoilwillbecalculatedbymeansofacomplex Switch to the Hot scheme with temperature
heat transfer equation that uses the ofoilabove27ºC(80ºF)
enginecoolanttemperature,thetemp-
Normal operation (ascending changes -
environment/battery tone, and the time of disconnection
withdrawalsanddownwardchanges
Connection of the motor from the control module of the
bodywork (BCM). These inputs are received from Without EMCC
thePCIbusperiodicallyandisusedtostart Oitemperatur
l eatthetimeof
to check the oil temperature during startup thestart-upabove27ºC(80ºF)
march. Once the engine is started, the Switch to the Overheating scheme with
TCM updates the oil temperature of the oil temperature above 115º C
transmission based on the sliding speed- 240ºF
torque converter lie, the speed of the
vehicle, the gear and the temperature of the refrigerant Normal operation (ascending changes
engineperformanceratingtodetermineanapproximatecalculation withdrawalsanddownwardchanges
temperaturemeasurementoftheoilduringthefun- Complete EMCC, without PEMCC except for the
vehicle operation. The vehicles that coupling of the FEMCC Except with mari-
they have oil temperature calculated detec- accelerator pedal closed at speeds su-
such the temperature of the oil with precision predecessors at 113-133 Km/h (70-83 MPH)
reasonable during normal operation.Without Oteilmperature
embargo,ifatransmissionisexcessivelyfilled,it above115ºC(240ºF)orrefrigeratortemperature
itobstructsthetransmissionoilcoolerorif enginemanagerabove118ºC(244ºF)

2
 GENERAL INFORMATION
Pass to Hot with oil temperature for theenginecoolanttemperaturedis-
below 110º C (230º F) or overheats - itdecreasesbelow65ºC(150ºF),thetrans-
extremeliewithoiltemperatureby mission will decouple the EMCC. A works-
above 115º C (240º F) prolongedliewiththedecoupledEMCC
Delayed upward shift 2-3 at 40-51 km/h will cause the overheating of the transmission
(25-32 MPH) session.
Upward shift 3-4 delayed 66-77 Km/h A brake switch input caused
(41-48 MPH) the decoupling of the EMCC will occur. A fun-
prolonged commissioning with the EMCC disaco-
3rd gear FEMCC from 48-77 km/h (30-48
plato will cause the overheating of the
MPH
transmission.
3rd gear PEMCC from 43-50 Km/h (27-31
Excess transmission fluid
MPH
TetlaenexttrañaT:emperaturoef Transmission cooler or ducts of the
oil above 127º C (260º F) blocked coolers
Temperature sensor circuit of the
Reutrn ot hte Overheanitg scheme whti
transmission
oil temperature below 115º C
240ºF
3.3DIAGNOSTICCODESOF
All the characteristics of the are applicable
overheatingchangeschemes FA
LIURES
2nd march PEMCC above 35 km/h (22 The diagnostic trouble codes (DTC) are
MPH codesstoredbythecontrolmoduleofthe
Above 35 Km/h (22 MPH) the converti- transmission(TCM)thathelpsusdiagnose
painfornotunlockingunlessthe transmission problems. These are visualized
thethrottlebutterflyisclosed(thatis, usingtheDRBIII™explorationtool.
at80Km/h(50MPH)achangeof4thgearFEMCC Alwaysstartbyconductinganinspection
the 3rd FEMCC will be held during a reti- visual of the wiring, connectors, and conduits of
Partial throttle butterfly coolerandtransmission.Anyproblem
openmindorachangefrom4thFEMCCto2nd Obviously,thewiringorleakageshouldberepairedbeforehand.
PEMCC will be carried out with the butterfly of tocarryoutanytestingproceduresof
accelerator completely open) or if it diagnosis. Some driving problems of
make a withdrawal with butterfly from the acele motor can be misinterpreted as problems with
completely open radar from 2nd PEMCC to thetransmission.Makesuretheengineisrunning
1st. correctly and that there are no DTC from the PCM
Functioninginschematic thatmaycauseacomplaintofthetrans-
olIotk
ilthB
seeIOsS
etn
ifgoysrouhrardwaarn
ierecorrect. mission.
burning of extreme cold or cold in the Ifthereisacommunicationbusproblem,no
moment of the launch: the error codes will be accessible until the
Temperature sensor circuit. the problem has been resolved. The DRBIII visualizes-
willsummarizetheappropriatemessage.Next,itlists
Overheating change scheme or makemealistofpossiblecausesforaproblem
Extremeoverheatingafterafun- thebus
prolonged management
– PCI bus circuit open or short to
Operation in city traffic or with onthedrumortothebatery
stopandstartfrequently
internal failure of some module or component in
Idle speed of the engine too low thebus
vada The diagnosis of each diagnostic code of
Aggressive driving in a low gear a failure is carried out following a test order
Trailer towing in the OD position (if specific. The diagnostic testing procedures of
frequent changes occur, use the instructions contain step by step for
position 3 [or A/S 3rd)] determinethecauseofadiagnosiscodeof
transmission failure. The possible sources of the
Cooling system failure that occurs code is verified and eliminated one by one. It is not
sionathattheengineworkswithatempera- itisnecessarytocarryoutallthetestsinthismanual
temperaturehigherthan110ºC(230ºF)
to diagnose an individual fault code.
Theenginecoolanttemperatureis Thesetestsarebasedontheexis-problem
stayslowfortoolong.If tryatthemomentthetestisbeingperformed.

3
GENERAL INFORMATION
All testing must be carried out. circuits of the accumulator and/or clutch. The problems-
withthebatteryfulycharged. morethatappearanddisappeararethemostdifficult
IftheTCMrecordsaDTCthatnegativelyaffects diagnostic criteria, and must be sought under the
regarding the vehicle emissions, it will require (to specific conditions that provoke them.
throughthecommunicationbus)thatthePCMlightsup
the indicator light for malfunction 3.3.4STARTCOUNTERFROM
(MIL).AlthoughtheseDTCswillbestoredimmediately-
specificallyintheTCMasafailureofacycle,itmaybe
ES
T
AB
S
H
L
IM
EN
T
fifty minutes of confirmation will elapse Forthelatestcode,thestartupcounter
accumulated failure before the DTC is established and questions from the establishment count the amount of
lightuptheMIL.Threesuccessfulcyclesarerequired timesthevehiclehasbeenstartedsince
consecutive OBDII (OBD III EURO STAGE) or the last time that code was established. The
that the DTCs are erased with a tool of totalizercount will count up to 255 accounts of
diagnosis (DRBIII equivalent) for what startup.Pleasenotethatthisonlyapplies
I turn off the MIL. When the TCM requires that it tothelastestablishedcode.
turnontheMIL,thePCMsetsaDTCP0700 Whentherearenostoredfaultcodesin
(89)tonotifythetechnicianthatthereareDTCsinthe the memory, the DRBIII displays the message NO
TCM. To turn off the MIL, it must be cleared. DTC'S PRESENT (no DTCs detected) and the conta-
alsointhePCM. willshowthemessage"STARTSSINCECLEAR"
=XXX (starts from deletion)
3.3.1PERMANENTCODE The number of engine startups
helptodetermineifthefailurecodeispermanent
Any Diagnostic Trouble Code (DTC)
neithertheintermitent.
thatitisalwaysestablishedthatthesystemorcompo-
nothing is monitored is a PERMA code - If the number of startups is lower
NONE. This means that the defect is present. a 3, the code is normally a code per-
each time the TCM verifies that system or compo- remaining.
None. Some codes will be established immediately. If the number of startups is higher
liesinthestartupandotherswillrequire At 3, it is considered an intermittent code.
a road test under certain conditions This means that most of the time the
specific. Before attempting any diagnosis, the motor has started without reapa-
itmustbedeterminedwhetheracodeisrepeated(perma- catch the code.
orintermittent.
3.3.5DELETIONOFCODESOF
3.3.2CYCLEFAILURES FA
LIURES
FailureofacyclethatisreadfromtheTCMisa
Afaultdiagnosiscodewillbedeletedfrom
permanent OBDII code (OBD III EURO
thememoryoftheTCMhasnotbeenreestablished
STAGE)thathasnotformedduringthe5minu-
during40warmingcycles.
full terms. This is applicable only to the
A heating cycle is defined as the
codes established after 5 minutes of fun-
sufficient operating time of the vehicle
replacement switch operation.
sothattherefrigeranttemperaturerisesto
minus 4.4º C (40º F) since the start-up of the
3.3.3INTERMITTENTCODE the motor reached a minimum temperature of 71º C
Afaultdiagnosiscodethatdoesnotappear 160º F
every time the TCM verifies the circuit or function it is The indicator light for incorrect operation
anintermittentcode.Somecodesareintermittent- (MIL) will turn off after three good cycles or
such as the codes P1684(12), P0891(14), when the DTCs are erased from the TCM.
P0888(15), P0725(18), P1694(19), P0871(21),
P0846(22), P1724(24), P0706(28), P0120(29), 3.3.6LISTOFCODESOF
41
P1793(48), P0715(56), P0720(57), P1794(58), D
AIGNOSO
IFA
LIURES
P0951(70), P1799(74), P0884(76), P1687(77), and LISTTHEFOLLOWINGDESCRIPTIONS
P1652(78) are produced by AC problems.
bleado or connectors. However, the codes DET
ALE
ID
intermittent 50 - 54 are generally caused by The TCM can report on any of the
forintermittentleaksofhydraulicsealinginthe followingDTC.

4
 GENERAL INFORMATION
TheTCMcanreportanyofthefollowingDTCs.
DTC Code Codneame Modo MIL
P limp-in
11 P0613 InsidetheTCM Yes Yes
12 P1684 Thebatterywasdisconnected No No
13 P0613 InsidetheTCM Yes Yes
14 P0891 Transmissionrelayalwaysactive Yes Yes
15 P0888 RelayoutputalwaysOFF Yes Yes
16 P0605 InsidetheTCM Yes Yes
17 P0604 InsidetheTCM Yes Yes
18 P0725 Motor speed sensor circuit Yes Yes
19 P1694 Communication of the bus with the engine module No No
20 P0890 Switchedbattery Yes Yes
21 P0871 Pressure switch detection circuit of OD Yes Yes
22 P0846 Pressure switch detection circuit 2/4 Yes Yes
24 P0841 Pressure switch detection circuit of LR Yes Yes
28 P0706 Verification signal of the changer No No
29 P0120 Throttlepositionsensorsignalcircuitofthe No Yes
accelerator
31 P0870 HydraulicpressuretestfailureofOD Yes Yes
32 P0845 Hydraulicpressuretestfailureof2/4 Yes Yes
33 P0992 HydraulicpressuretestfailureofOD/2-4 Yes Yes
35 P0944 Lossofseeding No No
36 P1790 Failureimmediatelyafterthechange No No
37 P1775 Solenoid switching valve jammed in position- No Yes
TCC action
38 P0740 Controlcircuitofthetorqueconverterclutch No Yes
41 P0750 LRsolenoidcircuit Yes Yes
42 P0755 Solenoid circuit of 2/4 Yes Yes
43 P0760 SolenoidcircuitofOD Yes Yes
44 P0765 UDsolenoidcircuit Yes Yes
45 P0613 InsidetheTCM No No
47 P1776 Solenoid switching valve stuck in the position- Yes Yes
LR action
48 P1793 Communication link error of TRD No Yes
50 P0736 Gear relation error in reverse Yes Yes
51 P0731 Gear relationship error in 1st Yes Yes
52 P0732 Gear relationship error in 2nd Yes Yes
53 P0733 Gear relationship error in 3rd Yes Yes
54 P0734 Gear relationship error in 4th Yes Yes
56 P0715 Drive speed sensor error Yes Yes
57 P0720 Transmission speed sensor error Yes Yes
58 P1794 Mass error of speed sensor Yes Yes
70 P0951 Autosticksensorcircuit No No
71 P1797 Manualtransmissionoverheating No No
73 P0897 Deterioratedorburnttransmissionfluid No No
74 P1799 Calculated oil temperature in use No No
75 P0218 High temperature operation activated No No
76 P0884 Activation at speed No No
77 P1687 Lack of communication with the MIC No No

5
GENERAL INFORMATION
TheTCMcanreportanyofthefollowingDTC.
DTC Code Codneame Modeor MIL
P limp-in
78 P1652 Incorrect functioning of communication link in No No
series
79 P0562 Low battery voltage Yes Yes
Yes(underlined)indicatesthatthisDTCmaytakeuptofiveminutestoactivatetheMILfrom
the identification of the problem.

3.3.7DTCDESCRIPTIONS electric with the vehicle running, the

transmission system will immediately enter into
Codenumber:P0613(11,13,or45)-Control-
limp-in mode. If power is restored
internallizard
Momth,veerificationW: henevetrhk eey inthesamekeystartcycleitresumes
be in RUN or RUN/START position. willgivenormaloperation.
ConditionoefstablishmenT
t:hicsodies Possiblceauses:
always establish that the control module of the Battery voltage cut-off of the TCM
transmission(TCM)detectsaninternalerror
Functioning theory: The TCM monitors TCM disconnected
constantly its internal processor. If it de- Battery dead
It detects an internal problem, this wil be established.
DTC. This DTC can also be established by Battery voltage low during startup
abadmasstotheTCMand/ortothecontrolrelayofthe Battery disconnection with the DRBIII®
trans. MDS
Efectsonthetransmission:TheMILlightsup
itwilltake(thisDTCmaytakeuptofiveminutes Defective ground circuit of the TCM.
inilluminatingtheMILbasedontheidentificationofthe Codename:P0891(14)T - ransmissionrelay
problem) and the transmission system will change missionalwaysactivated
by default to the Immediate Disconnection routine. MomisnthveerificationW
: henthk
eeyof
Yocuadn
poosb
itheln
igs: the switch is turned from the OFF position to the ON position
RUNand/ortheignitionkeyturnsfromtheposition
TCM mass circuit. fromstartuptotheRUNposition.
Relay Ground Circuit ConditionoefstablishmenT
t:hicsodies
establisheswhethertheTransmissionControlModule
TCM
TCM detects more than 3 volts at the terminal of
Codename:P1684(12)-Disconnected
control relay output of the TCM transmission.
battery(thisisinformativecodeonly)
(switchedbattery)beforetheTCMexcitesthe
Momit',vserificationW
: henevetrhk
eey
relay.
be in RUN or RUN/START position.
Theory of operation: The control relay of
ConditionosefstablishmenT
t:hicsodies
Thetransmissionisusedtosupplyfood.
always establish that the control module of the
transmission(TCM)isdisconnectedfromthepowersupply
electric excitation to the set of solenoids when the
transmission is in operating mode
battery connection (B+) or ground. It also
normallies.Whentherelayisdeactivated,itdoesnot
will be established during the dis-
Electricpowerissuppliedtothesetof
quickbatteryconnectionoftheDRBIII®.
solenoids and the transmission is in limp-in mode.
Functioning theory: To maintain something-
The relay output is fed back to the TCM at
In the learned values, a RAM (Memo-
through spikes 16 and 17. It is called
randomaccessria)poweredbythebattery.
Relay output circuit of the transmission or
When the B(+) from the battery is disconnected, the
switchedbattery.
memory is lost. Once the B(+) is restored
Efectsontransmission:TheMILislit
thebattery,theTCMdetectsthislossofmemo-
the transmission system will change to
RIA.Thecodeandthelearnedvaluesareestablished.
faultinlimp-inmodelogic.Thelogicofthemode
are initialized to known constant values or
limp-inmakestheoperatingmodesbecome
previously learned values from the EEPROM
the same as in limp-in mode. Given that the relay
(Programmableread-onlymemoryerase-
itisstuckintheONposition,theTCMcannot
electronic ble). This causes the reinitialization of
opentherelay,soitshiftsto2ndgear.
someparameters.
Possiblceauses:
Efectsonthetransmission:Dataloss
from fault codes. If power is lost Relay failure (stuck contacts)

6
 GENERAL INFORMATION
Short circuit in the 12V power supply is less than 390 RPM or more than 8,000 RPM
volts and/or output circuits of the relay of formorethan2.0seconds.
transmission control Functioning theory: Depending on the type
Short circuit fromthemotor,theTCMusesanRPMsignalfromEATX
(simulatedcrankshaftsensorsignal)orthesignalof
TCM connector problems.
crankshaft position sensor to calculate the
TCM engineRPM.ThesignalprovidedbythePCM
Codename:P0888(15)-Relayoutput useacircuitforthispurposecalledacircuit
alwaysOFF fromtheEATXRPMsignal.Thesignalfromthesensorof
MominverificationC : ontinuously thecrankshaftpositionisasplicedcircuitof
ConditionoefstablishmenT t:hicsodies crankshaft position sensor. Check the
establishes when there is less than 3 volts in the schematicwiringdiagramsfordetermining
relay output terminals of the transmission the motor speed sensor circuit
switchedbatteryinthecontrolmoduleofthe usedinthevehicle.IftheTCMinterpretsthat
transmission(TCM),whentheTCMisexciting this signal is out of bounds when the engine
therelay. itisunderway(accordingtowhatthePCMreportsthrough
Theory of operation: The control relay of the bus), the code is established.
thetransmissionisusedtosupplyfood Efectsonthetransmission:TheMILlightsup
electric supply to the set of solenoids when the will and the transmission system will change for
transmission is in operating mode fault to limp-in mode.
normallie.Whentherelayisdeactivated,itdoesnot Causpoassibles:
electricalpowerissuppliedtothesetof
Open or short circuit of the rpm signal
solenoids and the transmission is in limp-in mode.
ofEATX.
The relay output is fed back to the TCM
through spikes 16 and 17. It is referred to as Open or short in the signal circuit
output relay circuit of the transmission or crankshaft position sensor.
switchedbattery. Open or short in the circuit of the signal
Afteracontrollerreset crankshaftsensor.
(ignition key positioned in RUN or Connector problems of the TCM and/or PCM
afterstartingtheengine),thecontroller
TCM
excitestherelay.Beforethis,theTCMverifiesthatthe
contacts are open checking that not PCM
thereisvoltageatthebatteryterminalswith CodneamP
e:1694(1C
9-)ommunication
Ta-da.Oncetherelayisexcited,theTCMmonitors fromthebuswiththeenginemodule
lost terminals to check if the voltage is high MominthveerificationC : ontinuouslywiththe
prior to 3 volts. key in ON position.
Efectsonthetransmission:TheMILislit- ConditionoefstablishmentIn:forteceived
will and the transmission system will change for PCI bus messages from the control module
default to limp-in mode. delete(PCM)for10seconds.
Possiblceauses: Theory of functioning: The TCM communicates
with the PCM using the PCI bus. To operate
Relay failure (intermittent operation correctly depends on certain information
duetooxidizedrelaycontactsor The TCM continuously monitors the PCI bus.
contaminated tocheckifmessagesdisseminatedbyexist
Short circuit to ground or open circuit in thePCM.
transmission control relay circuits Efectsontransmission:changes3-4chalenge-
TCM connector problem Data.LackofEMCCandprematurechanges3-4
for a few minutes after sunset
TCM
engine march.
Codename:P0725(18)-Sensorcircuit
Canyoubpeossible:
motor speed control
PCI bus circuit open or short
NOTE: This code is not a sensor DTC TCM
of the drive speed of the transmission PCM
MominverificationW : henevetrhengine CodeName:P0890(20)-Batteryconmu-
is in operation. tada
ConditionoefstablishmenTt:hicsodies MomicsheckingW
: henthk
eeyof
sets when the detected motor speed the switch rotates from the OFF position to the ON position
by the Transmission Control Module (TCM) RUNand/ortheignitionkeyturnsfromtheposition

7
GENERAL INFORMATION
fromstarttotheRUNposition.
ConditionoefstablishmenT t:hicsodies
establishiftheTransmissionControlModule STATES OF PRESSURE SWITCHES OF
41TE
(TCM)detectsvoltageinoneoftheinputsof
pressure switch before the TCM excites CONMU-
TADO-
R N 1st 2nd 3rd 4th

therelay. RES

Theory of operation: The control relay of L/R OPEN CE- CE- OPEN OPEN OPEN
RRADO RRADO
thetransmissionisusedtosupplyfood
2/4 OPEN OPEN OPEN CLOSED OPEN CE-
electric excitation to the set of solenoids when the RRADO
transmission is in operating mode O/D OPEN OPEN OPEN OPEN CE- CE-
normallie.Whentherelayisdeactivated,not RRADO RRADO

electricpowerissuppliedtothesetof
solenoids and the transmission is in limp-in mode.
The relay output is fed back to the TCM at
through spikes 16 and 17. It is called
output circuit of the relay of the trans. or battery
switched.
Immediatelyafterareset If the code P0944(35) appears, ignore it.
from the controller (ignition key turned to the codeP0871(21)andcarryouttheprocedures
RUNpositionorafterstartingtheengine, diagnosticforcodeP0944
the TCM verifies if the relay contacts are
open checking that there is no voltage in the Switch detection circuit of the pre-
switchedbatteryterminals.Onceverified- openorshortODsessiontomassbetweenthe
this happens, the voltage in the switch is checked TCMandthesetofsolenoids
pressurepainsofthesolenoidassembly.Inthis Switch detection circuit of pre-
there should be no voltage in the switching moment short-circuiting of the battery
pressuredrop.TheTCMwillthenactivatetherelay. Set of solenoids
Efectsonthetransmission:TheMILison.
itwillgiveandthetransmissionsystemwillchangefor Loose valve body bolts
defect to Limp-in Mode. Clogged filter - internal transmission failure
Thearep
reossb
icaeluses: the converter of torque
Short to the battery in one more of the circuits eniciM
deseniC
hlanoi t idarT

pressure switch detection Codename:P0846(22)-Circuitdede-

2/4 pressure switch protection
TCM connector problems
MomicsheckingW : henevetrhengine
TCM is operational.
Codename:P0871(21)-Circuitofde- ConditionoefstablishmenT
t:hicsodies
Pressure switch protection of OD determine if the 2/4 pressure switch is
MomivserifyingA
:lsongatshengine open or closed when it is not appropriate in a
is in operation. march given (see the table below).
EstablishmenctonditionT :hicsodies Functioning theory: The trans- system
determine if the pressure switch of OD is mission uses three pressure switches to
open or closed when not corresponding in a monitor the liquid pressure in the elements
march given (see the table later). from L-R, 2/4 and OD.The pressure switches are
Theory of operation: The trans- system they are constantly monitored to determine if
mission uses three pressure switchers to the states are correct in each gear as they are
monitor the fluid pressure in the circuits of showbelow.
LR clutch, 2/4 and OD.The switches of
Efectsonthetransmission:Iftheswitch-
pressure is continuously monitored to com-
pressurepainof2/4isidentifiedasclosedin
test if the states are correct in each gear
Upon, the code will be set immediately and will
asshownlateron.
will allow normal operation for that
Efectsonthetransmission:Iftheydonotappearin- startwiththegivenkey.Iftheproblemisidentified-
according to another fault code, the operation will be it stays for 3 successive key starts, the
normal. The TCM will ignore the code. The condition of transmissionwillenterlimp-inmode.
limp-in mode will only occur if the code If the 2/4 pressure switch is identified
P0871(21) appears along with a P0706(28) code. closed in 1st or 3rd and has not been identified
Possiblceauses: closed in P or N, then the 2nd or 4th gear

8
 GENERAL INFORMATION
Clogged filter - internal transmission failure
session or the torque converter
PRESSURE SWITCH STATES OF
41TE TCM
Codename:P0841(24)-Circuitofcon-
CONMU- R N 1st 2nd 3rd 4th
TADO-
RES
L-R pressure mutator
MominthveerificationW
: henevetrhengine
L/R OPEN CE- CE- OPEN OPEN OPEN
RRADO RRADO is in operation.
2/4 OPEN OPEN OPEN CE- OPEN CE- EstablishmenctonditionT
:hicsodies
RRADO RRADO
establish if the L-R pressure switch is
O/D OPEN OPEN OPEN OPEN CE-
RRADO
CE-
RRADO
open or closed when it does not correspond in a
march given.
Functioning Theory: The trans-system
mission uses three pressure switches to
monitor the liquid pressure in the elements
from L-R, 2/4 and OD.The pressure switches are
they are constantly monitored to determine if
the states are correct in each gear as it is
willbereplacedby1stor3rdgeardependingonthe
showfurtherdown.
angleofthethrottlebutterflyandspeed
ofthevehicle.Afterashortperiodoftime.
after the gear shift replacement, the transmi-
PRESSURE SWITCH STATES OF
sessionwillreturntonormaloperatingmode.If 41TE
thetransmissionisswitchedbackto1stor3rdgear
throughnormaloperationandtheswitch CONMU-
TADO-
R N 1st 2nd 3rd 4th

pressurepainof2-4remainsclosed,the2ndor4th RES

march will be briefly replaced and continuously- L/R OPEN CE- CE- OPEN OPEN OPEN
CRASH BRANDO
It will resume operation. If they occur
2/4 OPEN OPEN OPEN CE- OPEN CE-
four gear replacements in a start RRADO RRADO
Keygiven,thetransmissionwillenterlimp-inmode. O/D OPEN OPEN OPEN OPEN CE- CE-
If the pressure switch of 2-4 is open RRADO RRADO

(indicating clutch pressure failure from 2-4) in

2nd to 4th march, the TCM establishes the code
P0846(22) and continues with normal operation
bad. The transmission will only enter mode
a P0706(28) code also exists. If
thereisnoclutchpressureof2-4set
a speed relationship code P-0732(52) or Efectsonthetransmission:Ifidentified
P-0734(54) and the transmission enters limp-in mode. aconditionofestablishment,the1stmarchandthe
Causpoassibles:
clamping of the torque converter (EMCC) is
If the code P0944(35) appears, ignore it. theywillinhibit.Thevehiclewillstartmovingin
codeP0846(22)andperformtheprocedures 2nd gear will normally change to all the
fordiagnosticofcodeP0944 marches without allowing EMCC. If during the same
Switch detection circuit of the pre- startwithakeytheconditionofestablishment
sessionof2-4openorshorttomassbetweenthe itisnolongervalid,thebroadcastwil resumethefun-
TCMandthesetofsolenoids normal operation (1st and EMCC available). The
Switch detection circuit of pre- limp-in mode will not occur unless the code
sessionof2-4inshortforthebattery P0841(24) is accompanied by a code
Set of solenoids P0706(28) and the MIL will light up after 5
substitute operating minutes.
Transmission overheating - Leak
Possiblceauses:
excessive in the body regulator valve
of valves that causes a pressure of fun- If code P0944(35) appears, ignore it.
high performance, resulting in a codeP0841(24)andcarryouttheprocedures
solenoidpurgeof2-4in1stor3rdgear. diagnosticforcodeP0944(35)
If it only happens when it is hot,
itmayrequireanewvalvebody.
Loose valve body bolts

9
 GENERAL INFORMATION
Switch detection circuit of the pre- ERROR CODES OF THE SHIFT LEVER
L-Rsessionopenorshorttomassbetweenthe INFORMED BY THE DRBIII
TCMandthesetofsolenoids ERROR CODE AGA SWITCH POSITION
RROTATED
Switch detection circuit of the pre-
1 T1/C4 JAMMED OPEN
L-R short session on the battery
2 T1/C4 STUCK CLOSED
Set of solenoids
3 T3/C3 ROTTEN OPEN
Valve body - switching valve
4 T3/C3 DIMMED CLOSED
ofthesolenoidclampedintheLUposition.
ItmaybeaccompaniedbyacodeP1775(37) 5 T42/C2 STUCK OPEN

Loosely fitted valve body bolts 6 T24/C2 JAMMED CLOSED

7 T41/C1 STUCK OPEN

Clogged filter - internal transmission failure
torsion or the torque converter 8 T41/C1 JAMMED CLOSED

eniciM
deseniC
hlanoi t idarT

CodneamPe:0706(2V 8-e)rification
of Incorrect TCM part number for the
signalofthechanger application
Momivserifyingc:ontinuouslywiththe
Unplugged TRS connector
key in ON position.
ConditionoefstablishmenW t: henpro- Circuits from C1 to C4 (T1, T3, T41, or T42) are
enter the code three times with a key open,inshorttomassorinshortto12volts.
InvalidPRNDLthatlastsmorethan0.1seconds. PCI bus failure (open or short circuit causing
Functioning theory: The circuits of de- lack of communication with the BCM or group of
protectionfromC1toC4(T1,T3,T41,andT42)communicate
instruments
thepositionofthegearlevertotheTCM.Each
circuit ends in the transmission with a switch TRS
tador. Each switch can be open or TCM
closed, depending on the position of the lever
changes. The TCM can decode this information BCM
and determine the position of the lever of Situation2iIn
s)tdicated"P"afteasrtart-
Changes. Each position of the gear lever that with the key but all the PRNDL lights
ithasadeterminedcombinationofswitching- theyilluminatein"N"afterachangefrom"R"to"N".
whichwillbeopenorclosed.Thisisdeno- IfthePRNDLlightcomesonin'N'andthechanges
my PRNDLcode.There are 4 switches, fromtheposition"3"or"L".
therefore: there are many possible combinations without pausing in "OD", then the pro-
switchesofopenandclosed(codes). change of position 'OD' and the visual
However, there are only 9 valid codes (8 electronic mailing will indicate "OD" until the cam-
bids should be situated and maintained in the position 'OD'
fortheAutostick),oneforeachpositionofsea-
cha and three codes recognized among marches. The foraminimumof3seconds.
the rest of the codes can never be produced, and it >Worn manual lever. Check if
theyarecalledinvalidcodes.Thefollowingtable there is excessive wear on the contacts of
showthenormalstatesoftheswitches TRS switch
nexttothegearshifterposition.
Circuits from C1 to C4 (T1, T3, T41 or T42) inter-
TRS PARKT1 REV T2 N T2 OD T3 3/AS T3L senders.Checkifthereiscorrosion,termi-
wing tips displaced outward or terminals
T1 (C4) AB AB ABCERR CERR CERR CERR CERRABCERR CERR
separated in the 60-way connector and/or the conec-
T3 (C3) CLOSE CLOSE OPEN OPEN OPEN ABCLOSE CLOSE CLOSE CLOSE
through 10 TRS lanes
T41 (C1) CERRAB AB ABCERRAB AB AB AB AB AB

T42 (C2) CERR CERR CERR CERR CERR CERRAB AB AB ABCERR TRS
AB = OPEN CLOSED TCM
The following are joystick error codes BCM
changes (Table) reported by the DRBIII® Situation3)Iftheinvalidcodeoccurs
Efectsontransmissionandpossiblecauses being in position "3" or "L" then he is-
bles: burningofchangeof'3'or'L'andthevisualization
Situation1)All
- PRNDLlightsremainon electronics will remain frozen (independent-
necesan encendidas indefinidamente en PARK des- fearofselecting'OD','3'or'L').Thevisual-
afterastartwithakey. electronic liquidation will remain frozen until

10
 GENERAL INFORMATION
that the switch moves to position 'N' theengine'stimingisnotcalibratedforthereplacementof
(all the PRNDL lights will illuminate) and from the throttle butterfly.
new to the position 'OD'. The position 'N' and 'OD' Possiblceauses:
itmustbemaintainedforaminimumof3seconds Open TPS ground and/or signal circuits
twotoresumethenormalchangescheme in short
from"OD"andelectronicvisualization. TCM connector issues
Circuits from C1 to C4 (T1, T3, T41 or T42) inter- TPS connector or TPS (Check the DTC)
senders.Checkforcorrosion,termina- PCM)
outward or terminal displaced nails PCM
separated in the 60-pin connector and/or the conec- eniciM
deseniC
hlanoi t idarT
tor of the TRS
Codename:P0870(31)T - estfailure
TRS
hydraulicpressureofOD
eniciM
deseniC
hlanoi t idarT
P0845(32)-Hydraulicpressuretestfailure
from 2 to 4
BCM
P0992(33)-Hydraulicpressuretestfailure
These same symptoms can occur without it. from OD/2-4
theP0706(28)codeisset.Itispossiblethat MominverificationI:n1s2t,ndo3rrdgear
invalidcodedetectedbytheTCMonlyis with motor speed exceeding 1,000 RPM little
ithasoccurredonceortwiceduringthestart afterachangeandeveryminutestartingfrom
thatwiththeignitionkeygivenand/ordidnotlast so.
>0.1seconds. ConditionoefstablishmentI:mmediate
mindafterashiftto1st,2nd,or3rdgear,
Codenumber:P0120(29)-Positionsignal
fromtheacceleratorbutterfly with engine speed greater than 1,000 RPM, the
MominyouvrerificationW : henevetrhengine TCM momentarily activates the lifting pressure.
it is in operation. I mention the circuits of the 2-4 clutch and/or OD
AacsonditionoefstablishmenT
t:hicsodies to identify if the pressure switch is appropriate
establishifthethrottlebutterflyangle thedrainisclosed.Ifthepressureswitchdoesnot
itisoutofboundsorifthebutterflyangle close, try it on again. If the switch of
pressuredoesnotcloseforthesecondtime,itisestablishedthe
theacceleratorchangesabruptly(i.e.:more
fasterthanthebodyofMaricanmove appropriatecode.
press the accelerator. Functioning theory: The control module
Control module theory fromthetransmission(TCM)teststheswitches
thetransmission(TCM)receivesthepositionsignal of OD pressure and 2-4 when they are out of sync
activated(ODand2-4aretestedin1stgear,ODin
from the throttle position sensor of the acele-
2nd gear and 2-4 in 3rd gear). The test verifies
rador (TPS) through a spliced cable inside
fromtheTPScircuittothePCM.TheTPShasa if the switches work.TheTCM checks if
5 volt elevation power supply the switch closes when the ele-
control module of the (PCM). It corresponding.Ifaswitchdoesnot
check if the signal is out of bounds or is close,tryitonagain.Ifyoudon'tpassthetest
intermittent (excessive changes in the signal). Next, the code is established.
Effectsonthetransmission:Extremechanges Efectsonthetransmission:TheMILislit
erraticmindsofthetransmissionwithasignal will and the transmission system will change for
of the intermittent TPS just before the establishment fault to Limp-in Mode.
I lie about the code. If the flickering does not last the Possiblceauses:
sufficient to establish the code, the client Pressure switch detection circuit
will report that violent oscillations are occurring in short to the battery between the TCM and the set
fromthetransmissionbetweengears.TheTCMwilluse of solenoids.
acalculatedbutterflythrottleangle Low operating pressure
suppliedbythePCMviathePCIbus.Ifthe
Set of solenoids
PCI bus is not available, the TCM will use a
default throttle butterfly angle Codename:P0944(35)-Lossofce-
24degreesforthekeystartinwhichithasbeen still
thecodeestablished.TheTCMwillattempttousefrom MominverificationIt:fhteransmissionis
newTPSsignalonthenextstart slideinaforwardmarchandtheswitched
with a key. The MIL will light up after 5 pressurereadingsdonotindicatepressure,aprocedureiscarriedout
substitute operation minutes if the control- priminglosstest.

11
GENERAL INFORMATION
ConditionoefstablishmentI:fhteransmission- Theory of operation: This code only
session begins to slide into a march of themindwillbestoredalongwithaseriescode50.
advance and the pressure switches that should Ifthiscodeisestablished,itindicatesthattheproblem
tobeclosedinagivenmarchareopen, it is of a mechanical nature. When this exists
A priming loss test begins. Everyone code, the transmission diagnosis must be
the available elements (in 1st gear L-R, 2-4 and get into the gear relationship code of-
OD, in 2nd, 3rd, and 4th gear 2-4 and OD) are activated becoming primarily considered the causes
by the transmission control module (TCM) mechanics.
todetectifthepumpisprimed.Thecodeis Efectsonthetransmission:None
establish if none of the pre-switches Whaptossiblceases:
session responds.TheTCM will continue to carry out the
The mechanical causes listed in the code
primer de loading test until it comes back to ofassociatedgearrelationships.
check pump pressure.
Theory of operation: The test of loss- Codename:P1775(37)-Controlvalve
priming dip is used to avoid failures of the solenoid mutator locked in the position of
transmissionduetolackofprimingofthepump. TCC
Efectsonthetransmission:Thevehicledoesnot Momv,erificationD : uringanattempt
moveorthetransmissionslips.Ifthepumpreturns shiftingto1stgear.
The brewed holder will continue operating normally. ConditionoefstablishmenT t:hicsodies
bad. establish if three failed attempts are made of
Candpossible change to 1st gear in a starting cycle with
Low transmission fluid level keygiven.
Theory of operation: The valve of con-
PRNDL indicates a valid OD code in position-
solenoid mutation (SSV) controls the direction
hydraulicreversegear
of the transmission fluid when it is excited
Transmission fluid filter blocked or L-R/TCCsolenoid.TheSSVwillbeinposition
damaged. downshift in 1st gear, directing
Transmission fluid filter installed thereforetheliquidtotheclutchcircuitof
incorrectly (Loose bolts or missing ring L-R. In 2nd, 3rd, and 4th gear, it will be in the position
O) ofupwardchangeandwilldirecttheliquidtowardsthe
Oil pump - If a customer has a pro- torque converter clutch (TCC).
problemwhenthetransmissioniscold.When Whenshiftingto1stgear,itiscarriedout
itshiftsintoreverseanditengages,andto aspecialhydraulicsequencetoensurethe
continuation changes to OD and OD is not obtained movement of the SSV to the change position
(adeadlockconditionisobtained),andto descendant. To confirm the movement of the
you can get back or The pressure switch of L-R is controlled by SSV.
OD for 3 to 20 seconds, replace the Ifthismovementisnotconfirmed(theswitch
oilpump.Ahighlateralclearanceinthe of pressure from L-R does not close), the 2nd gear
oil pump will set a code 35. The replacewith1st.
thepumpwillbeactivatedduringthestartup,butto Efectsonthetransmission:Thetransmissiondoesnot
as the torque converter purges air itwilhave1stgear(the2ndgearwilbereplaced),andno
(drainage), the air will filter through the rotor therewilbeoperationofEMCCandtheMILwililuminate
internalinsidethesuctionportofthepump It stopped after 5 minutes of operation.
andwillcauseanimmediatelossofpriming- substitute.
mindafterthechangetoOD.After3to Possibilities:
20 seconds, the bomb will re-engage and with- PRNDL indicates a valid OD code in position-
the normal operation wil continue. The pump hydraulicreversegear
itshouldonlybereplacedafterha-
I have checked and verified all the others. Valve body - Solenoid valve aga-
possible causes mentioned. rotated in the position of the TCC

Codename:P1790(36)Immediate - ruling- High idle speed

mindafterthechange Incorrect operation of the solenoid - the
MominthveerificationA:ftesrtorage- L-R pressure switch will not close
agearrelationshiperroroccurs.
Pressure switch detection circuit
ConditionoefstablishmenT t:hicsodies fromL-Rinshorttothebattery
establishes if the gear relationship code is
stores before 1.3 seconds have passed Codename:P0740(38)-Circuit
afterachange. clutch control of the torque converter

12
 GENERAL INFORMATION
MomicsheckingD : uringthoeperation noises that are excited at that moment, the
clutch of the modulated converter powersupplyisinterruptedmomentarily
electronically(EMCC) mind, and then it is applied again. In the
Conditionoefstablishment: case of solenoids that are not present at that moment
(a) The transmission must be in EMCC, with the excited, the solenoid is excited momentarily-
drivespeedinputabove1.750 mind, and then it de-excites. In both
RPM. The TCC/L-R solenoid must reach its situations,ifthecontrolmoduleofthetransmi-
maximum service cycle and still unable to do TCM does not detect an inductive pulse.
that the motor speed differs by less than 60 during the continuity verification, return to
RPM concerning the drive speed. tocarryoutthetesttwice.Onthethirdtimeof
b)IfthetransmissionisinFEMCCandthespeed notpassingthetest,theapprovalcodeisestablished
theenginecanlowertheTCCbymorethan100 plaintive
RPM(Enginespeed-drivespeed)
for10seconds. SOLENOID APPLICATION CHART
The code will be established if one of
GEARING UD OD REV 2/4 LR
these circumstances three times with an angle of
lower accelerator butterfly under 30 degrees. PARK
LIE
X

Function theory: Being in 2nd, 3rd or 4th

REVERSE X X
march, when certain conditions are met
lockup clutch of the torque converter (TCC) Deadlock X
itcanbeembedded.TheTCCpistonismodulated 1st X X
electronically increasing the service cycle
2nd X X
fromtheL-R/TCCsolenoiduntilthedifferencein
slip of the torque converter (difference 3rd X X

between engine speed and turbine speed 4th X X

shouldnotexceed60RPM.Inthatcase,thesolenoid
from L-R/TCC is completely excited (FEMCC /
100% service cycle). The slip of Functioning theory: Four are used
torque converter is monitored in FEMCC for solenoids to control friction elements
guaranteethattheclutchcapacityisadequate (clutches). The continuity of the solenoids is
basket Testperiodically.Eachsolenoidisactivated.
Efectsonthetransmission:Afterthis- or disabled depending on the status in which it is
ThiscodewillstillbeavailablewithEMCC. findatthatmoment.Duringthistestthe
MILwillturnonafter5minutesofsliding. TCMmustdetectaninductiveimpulse.Ifnot
accumulated lie in FEMCC. The transmission detect the impulse, the circuit is tested again
will try the normal operation (without mode toreconfirmthefailure.Inadditiontotheverification
limp-in)evenaftertheMILlightsup. periodically, the solenoid circuits are tested
Theraerpeossibcleases: in case of a relationship error occurring
Worn pump casing and/or converted speedorpressureswitch.Inthiscase,if
defectivehairpain-bothmustbereplaced afaultoccurs,thefaultcodewillbeestablished
tobeexhaustedduringareconstructionwithpresence appropriate.
of code P0740(38) Efectsonthetransmission:TheMILhighlights
Set of solenoids. andthetransmissionwillshifttoneutralif
the code is set above 35 km/h (22
Nameofthecode:P0750(41)-Solenoidcircuit mph), or it will enter limp-in mode when the speed
L-R noise the vehicle's speed is less than 35 km/h (22 mph).
P0755(42)-2-4SolenoidCircuit Anpyossibsleolutions:
P0760(43)-ODsolenoidcircuit Open or short solenoid circuits between the
P0765(44)-UDsolenoidcircuit TCMandthesetofsolenoids.
MomivserifyingW
: henthk
eeyof
theswitchisturnedfromtheOFFpositiontoRUNand/or Open ground circuit
the position CRANK to RUN and every 10 seconds to TCM connector issues.
fromthenon,orwhenaDTCisdetectedof Problem with the solenoid assembly connector.
speed relation error or switch of Set of solenoids
pressure. eniciM
deseniC
hlanoi t idarT
ConditionoefstablishmentIic:stontinuouslytested
thecontinuityofthefoursolenoids Codenumber:P1776(47)-Valveofcon-
immediatelyatthestart-upandduring solenoid mutation jammed in position
theoperationofthevehicle.Inthecaseofsole- L-R

13
GENERAL INFORMATION
MomisnverificationC : ontinuouslywith requestingtoreducetheenginepowerto
partial or total coupling of EMCC (PEMCC or Letthechangebecompleted.Thismessageissent
FEMCC fromtheTCMtothecontrolmodulethroughthe
ConditionoefstablishmentI:fhteransmission- management requirement detection circuit
session detects that the pressure switch of L-R ofthe.ThePCMwillacknowledgereceiptoftherequestofthe
it closes when PEMCC or FEMCC takes place. TCM sending a message through the PCI bus
This code is set after two attempts within a specific time interval. The
failed to carry out PEMCC or FEMCC. TRD link communication is also tested.
Theory of functioning: The valve of con- periodically to determine if it works
solenoid mutation (SSV) controls the direction lie is correct as long as the engine is in
of the transmission fluid when it is excited the march and the vehicle is stopped at zero degrees
L-R/TCCsolenoid.TheSSVwillbeintheposition
fromtheacceleratorbutterfly.
downshiftin1stgear,directingfrom
Efectsonthetransmission:Themaximumangle
this forms the liquid in the clutch circuit of
L-R.In2nd,3rd,and4th,theSSVwillbeinthepositionof from the accelerator butterfly used by the TCM
it will be 54 degrees. As a consequence, the client
ascending change and will direct the liquid inside the
torque converter clutch (TCC). Youmaycomplainaboutlackofbenefitsorthatthe
BeinginPEMCCorFEMCC,theswitchof changes are short when driving aggressively
L-RpressureshouldnotindicatepressureiftheSSVis siva.
Thearep
reossb
icaeluses:
findinthepositionoftheTCC.Iftheswitch
L-Rpressureindicatespressureduringthefunction- Throttle position sensor
establishmentofPEMCCorFEMCC,theEMCCisintegrated
(TPS)choked
will burst and inhibit to prevent an application
unintentionaloftheclutchofL-R.Iftheswitch Wiring or connector issues in the circuit
L-Rpressuredoesnotindicatepressure,itwillattemptthe ofmanagementpairrequirementdetection
Partial EMCC. If pressure is indicated again
PCM
L-R, the code is established.
Efectsonthetransmission:Atspeeds eniciM
deseniC
hlanoi t idarT

above72km/h(45mph),theEMCCisinhibited.
Codename:P0736(50)-Relationshiperror
When the speed drops below 72
ofspeedinreverse
km/h (45mph), the transmission will enter mode
limp-inandtheMILwilllightupafter5minutes P0731(51) - Gear ratio error in 1st
substituteoperation. P0732(52) - Gear ratio error in 2nd
Canyousaypossible: P0733(53) - Speed ratio error in 3rd gear
P0734(54) - Speed ratio error in 4th gear
Valve body - Solenoid valve aga-
P0715(56)-Impulsespeedsensorerror
rotated in the LR position
session
Open circuit or intermittent short to ground P0720(57)-Transmissionspeedsensorerror
in the detection circuit of the switch mission
LR pressure (with code 24 only)
P1794(58)-Masserrorofspeedsensor
Set of solenoids (with code P0841(24) MomtothveerificationT:hreelationshipoefngraving-
only transmission names are continuously monitored
TCM (with code P0841(24) only) whilethetransmissionisingear.
ConditionoefstablishmenT t:hicsodies
Codename:P1793(48)-Communicationerror
link communication of TRD determineifthegearrelationshipisnotcorrect
foraperiodoftime.
NOTE: The MIL will light up for those Codes 50 to 54 are established if the rela-
motors that limit the throttle of the measurement of the driving RPM (Nt) with res-
accelerator after a TRD failure. Regarding the transmission RPM (No) not co-
Theyrespondtothegivengearrelationship.
MomivserifyingW : henevetrhengine
isunderway. Code 56 is established if there is a change
ConditionoefstablishmenT
t:hicsodies excessive in the pump RPM in some
establisheswhentheTCMsendsseveralmessagesof march
reductionoftorquetothePCManddoesnotreceivearesponse
fromthePCM. Code 57 is established if there is a change.
Theory of functioning: During changes with excessiveinthetransmissionRPMinsome
To the high, the TCM wil send a message to the PCM march

14
 GENERAL INFORMATION
The code 58 is established after a subtraction- – Codes 51, 52, 53, 54, 56, and 57 at speeds
bleachingoftheTCMatdeadpointandNt/No between35and72Km/h(22and45MPH)-Ifoneof
it is similar to a thrust relationship with thesecodesaresetbetween35and72km/h
regardingthetransmissionof2.50 (22and45MPH),thespeedwil bemaintainedin
Apermanentcodeisestablishedwithin3 course until the relationship problem of
seconds and an intermittent code is established gears/speed correct themselves.
in15seconds. Ifthethrottlebutterflyisopened,thetrans.
Functioning theory: The trans- system It wil start in 2nd gear. If this happens and the
missionusestwospeedsensors,onefor gear ratio/speed problem
measurethedriveRPMandonetomeasurethe disappears, operations will resume
TransmissionRPM.Theseentriesareessential- normal. If three problems are identified
fortheproperfunctioningofthetransmi- gear ratio/speed in a cycle
session. Therefore, the accuracy of this data is with a key start, the engine in
confirm through the following checks: course will be frozen until the mari-
1) While in motion, if the gear ratio- put on the accelerator.The transmission wil engage
This does not match a gear relationship. so in limp-in mode with butterfly
known, the fault code is established in operation openatspeedsbetween35and
corresponding (codes 50 to 54). 72 km/h (22 and 45 mph)
2) An excessive change in the thrust speeds - Codes 51, 52, 53, 54, 56, and 57 (at speeds
session or transmission, indicating intermittency of
lessthan35km/h(22mph))-Ifidentified-
signal will trigger the establishment of the codes it is a problem of gear relationship to
56 years old 57.
less than 35 km/h (22 mph), the transmission
3) After a TCM reset in will immediately replace the second mar-
deadlock,iferraticsignalsareobservedfrom chat by the market in progress. If it disappears the
the transmission speed and impulse sensors gear relationship problem, it is reanu-
This indicates a loss of the common mass. itwillgivenormaloperation.Ifidentified-
Thisestablishesacode58. three problems of gear relationship
Efectsonthetransmission:Thetransmissiondoesnot inakeystartgiven,thetransmission
itwillenterlimp-inmodeuntilanoccurrencehappens
wilenterlimp-inmode.
threegear/velocityrelationshiperrorsin Possiblceauses:
startcyclewithprovidedkey.Thisallows Code P0736(50) - Excludes drivetrain failures.
thatintermittentissuesareresolvedbythemselves gears that should be obvious when carrying out the
samewithoutopeningtherelay.However,ifitisdes disassembly
it rolls a gear/speed relationship error,
acodeisalwaysestablished,butiftheproblem If the P0944(35) code is also set, proceed
Itself-correctsthetransmissionwillcontinue firstofallthediagnosticprocedure
theoperationwithouttheneedforthekeytobe for code P0944(35)
cycle between ON and OFF. In view of the extent of Valve body - Check ball No. 1 or
possible failures for codes 50 to 58 may LRswitchvalvejammed-tam-
many different circumstances may arise. The code P0731(51) can be set.
the following are some examples:
Speed sensor or associated wiring - tam-
Codes 51, 52, 53, 54, 56, and 57 (at speeds The codes P0731(51) can be established,
greaterthan72km/h(45mph)-Itisestablished P0715(56)oP0720(57)
the appropriate fault code, EMCC is inte-
Defective or slipping LR clutch
Itbreaksandkeepsthemarchgoing.If
it can also set the code P0731(51)
while continuing to circulate above 72
km/h (45mph), the gear ratio Escape in LR meeting (intermittent shortage of
is valid again, the EMCC will welcome back forwardorreverse
pleaseandnormaloperationwillresume - LR accumulator joints stuck (Missing
bad. If the gear ratio becomes intermittentofdirectorreversegear
intermittent and recovers three times in a
key start given, it will be maintained the Defective reverse clutch (code
permanent)
march in progress and the EMCC will refrain from, to
continuation if the butterfly of the acele- Escape in a joint with OD/REV tab
less than 72 km/h (45 mph) or at 35
– Sealing rings for reaction shaft support
km/h (22mph) with throttle butterfly
worn out
closed,thetransmissionwillenterlimpmode
in. Misaligned spring ring

15
GENERAL INFORMATION
Code P0731(51) - Excludes failures of the drivetrain – Support sealing rings for the reaction shaft
gears that should be obvious when performing the wornout(permanentcodewithbutterfly
dismantling oftheacceleratorveryopen)
If the code P0944(35) is also set, follow Defective solenoid set (pressure of
firstofallthediagnosticprocedure UDin4thgear
for code P0944(35) CodeP0733(53)-Excludesgearboxtrainfailures-
Valve body - Check ball number 1 or things that should be obvious when carrying out the dismantling
LRswitchvalvestuck-tam- take
it can set the code P0736(56) and not If the P0944(35) code is also set, follow
tohaveareversegear firstofallthediagnosticprocedure
Speed sensor or associated wiring - tam- for code P0944(35)
the codes P0736(50) can be established Defective or slipping OD clutch
P0715(56)orP0720(57) it can also set the code P0734(54)
Defective UD clutch or one that slips
–Leak in joint with inner and outer flange
mitigating-itcanalsoestablishtheco-
ofODandREVERSE(usuallycodeper-
IsayP0732(52),orP0733(53)
inherently
–Escape in UD meeting (intermittent)
– OD accumulator joints stuck (inter-
Clutch drive hub sleeve sender)
wornout(permanentcodewithbutterfly
oftheacceleratorveryopen Support sealing rings for reaction shaft
wornout(permanentcodewithbutterfly)
– UD accumulator joints stuck (inter-
oftheacceleratorveryopen)
sender)
Broken tapered spring ring OD/ID
– Support sealing rings for reaction shaft
(permanentcodewithbutterflyoftheaccelerator-
wornout(permanentcodewithbutterfly)
(veryopendoor)
oftheacceleratorveryopen)
Defective solenoid set (pressure of Defective UD clutch or slipping
UDin4thgear frequently-itcanalsoestablishtheco-
IsayP0731(51)and/orP0732(52)
Defective or slipping LR clutch
it can also set the code P0736(56) or Leak in UD joint (intermittent)
tohavenowayback Clutch drive hub bushing
Leak at LR joint (intermittent) wornout(permanentcodewithbutterfly
oftheacceleratorveryopen)
– Accumulator joints of LR glued (inter-
sender) – Adhesive accumulator assemblies of UD
CodeP0732(52)-Excludesdrivetrainfailures. sender)
things that should be obvious when carrying out the dismantling
– Support sealing rings for reaction shaft
take wornout(permanentcodewithbutterfly)
If code P0944(35) is also set, follow oftheacceleratorveryopen)
the diagnostic procedure for the code
Defective solenoid assembly (pressure of
P0944(35)
UDin4thgear
Defective or slipping 2-4 clutch CodeP0734(54)-Excludesdrivetrainfaults
it can also set the code P-0734(54) things that should be obvious when carrying out the disassembly
Escape in seat 2-4 (intermittent) take
– Stuck accumulator joints (intermittent) If the P0944(35) code is also set, continue
Defective UD clutch or one that slips between firstofallthediagnosticprocedure
mitently-itcanalsoestablishtheco- for the code P0944(35)
I say P-0731(51) and/or P-0733(53) Defective or slipping OD clutch
Leak in UD joint (intermittent) It can also set code P0733(53)
Clutch drive drum casing –Leak in a joint with internal and external flange
wornout(permanentcodewithbutterfly ofODandREVERSE(usuallycodeper-
oftheacceleratorveryopen) (to stay)
– Stuck accumulator joints of UD (inter- – OD accumulator assemblies glued together (inter-
sender sender)

16
 GENERAL INFORMATION
Support sealing rings of the reaction shaft
Codename:P1797(71)-Overheating
wornout(permanentcodewithbutterfly
manualtransmission
oftheacceleratorveryopen)
Momw I,avserifyingA
:lsongatshengine
Broken tapered ring spring OD/ID it is in operation.
(permanentcodewithbutterflyoftheaccelerator- Conditionoefstablishment:
veryopendoor) 1) If the engine temperature exceeds 124º C (225º
2-4 clutch defective or slipping F)beinginAutoStickmode.
it can also set code P0732(52) If the transmission temperature exceeds 135º
C(275ºF)whileinAutoStickmode
Leak in a 2/4 joint (intermittent)
Functioning theory: During the functioning
– Stuck accumulator joints (intermittent) thevehicle'smaintenancecontrolsthetemperatures
Code P0715 (56) ofthetransmissionandtheengine.Ifthereisaproblem
Driving or transmission speed sensor Whatcausestheengineorthetransmissiontooverheat?
defective(intermittentorpermanentcode) mission, the AutoStick mode will be canceled and
it will establish a code.
Open or short wiring between the TCM and
Efectsonthetransmission:Inthepositionof
thespeedsensororsensors(intermittent)
AutoStick gear selector, the scheme of
Problems in the 60-pin connector of the TCM and/or changes in position 3 that is used in the
speed sensor connector applicationswithoutAutoStickisreplaced.Itdoesnotpro-
Code P1794(58) we lead in a gentle manner.
Speed sensor mass in open or short Causpoassibles:
(the speed sensor table is different from Engine overheating - refer to the manual
themassofthechassis service to get information about diagnosis and
Wiring of the temperature sensor of the trans- repair
missiontotheopenorshortTRS Transmission overheating
TRS - It will also establish code P1799(74) Transmission cooling system
restricted
TCM
Excess fluid in the transmission
Nameofthecode:P0951(70)-Circuitofim-
Autostick drive (if equipped) Transmission fan that is not working
MominthveerificationW : henevetrhengine correctly
is in operation. Prolonged driving in low gear
Conditionoefstablishment:
The gear shift of the transmission is not NOTE: Driving conditions
inAutoStickandtheshiftswitchesascendant- rigorous they can provoke the
thegearorthedownshiftisclosed. reheating vehicle. Yes the
2) The upward change switches and cam-
conductor uses or starts to use
descendantbiosareclosedatthesametime.
AutoStick with the overheated vehicle, it
Functioning theory: In AutoS mode
tick (manual shift mode), the changes ascend- establish the code.
manualteethanddescendersareoperatedmanually. CodneamP e:0897(7F3-lu
)id
othfe
Changerequestsaredetectedbymonitoring damaged or burned gearbox
usingMUXorswitchingswitches MominyouvrerificationI:neachtransitionof
toothanddescendingchange.Thecontrolmodule total coupling of the converter clutch
the transmission (TCM) monitors the conditions electronically modulated (FEMCC) to couple
establishmentmentioned.Beforeit- partialclutchdisengagementoftheconvertermodu-
establish a code will tolerate a condition of electronically (PEMCC) when one is
establishmentofupto15seconds. cycling the clutch of the A/C compressor.
Efectsonthetransmission:Inthepositionof EstablishmenctonditionT :hceodies-
AutoStick gear selector, the diagram of It will establish if vehicle 20 detects shaking.
changes in the OD position are replaced. Not sometimeswhentheA/Cclutchiscycling.
produce limp-in mode. Theory of functioning: Being in 3rd or 4th
Ththisapetossibw
leay: FEMCC march and just before the coupling of the
Wiring or connector problems A/Cclutch,theControlModule(PCM)
request to the transmission control module
AutoStick switch failure (TCM)thattemporarilyestablishesthefunction-
TCM namientoofPEMCC.Ifthetremor

17
GENERAL INFORMATION
of the vehicle is detected during the transition of of OBDII (OBD III EURO STAGE). If the circuit
FEMCC or PEMCC, a counter increments its fromthetransmissiontemperaturesensoris
count. If the count reaches 20, it is set to the correct, the temperature sensor data is used
faultcode.Inthatcase,thedrivermight transmissionfailureinsteadofthedatafromthe
strong blows are noted when cycling the calculatedoiltemperature.
A/Cclutch,buttheshakingofthevehicle Efectsonthetransmission:Ifthesensorof
it will eliminate.After 35 warm starts- temperature indicates a temperature lower than
OBDIItestimony(OBDIIIEUROSTAGE)orifit -18º C (0º F) or higher than 115º C (240º F) in the
delete the code, the PEMCC will be reactivated for startingup,theTCMcomparesthetemperature
determine if the tremor is still present. If it of oil calculated with the indicated temperature
produce a tremor circumstance, the code is through the oil temperature sensor. If the
it will reset. The only way to reset the calculatedoiltemperaturedifferssignificantly
the tremor count of 20 reset to zero is againregardingthevalueofthetemperaturesensor
removing the code and carrying out the desc draft,inthatkeystartwilbeusedthe
Connection of the battery with the DRBIII™.
calculatedoiltemperature.
Efectsonthetransmission:Thiscodedoesnot Possiblceauses:
it causes the transmission to go into limp-in mode.
However, once the code is established, it Wiring or connector issues in the circuit
will disable the operation of FEMCC to PE- from the temperature sensor signal of the
MCCbeforetheclutchcouplingoftheA/C transmission.
during35OBDIIwarm-upstarts TRS
(OBD III EURO STAGE).
eniciM
deseniC
hlanoi t idarT
Possiblceauses:
Degraded transmission fluid Codename:P0218(75)-Operation
Very misaligned wheels high temperature activated.
MominthveerificationW: henevetrhengine
Internal problem of the torque converter
is in operation.
CodneamP e:1799(7O4-te)ilmperature ConditionoefstablishmentI:mmediate
calculated in use whenthechangeprogramisactivatedwith
MomicsheckingA :lsongatshengine reheating.
is in operation. Functioning theory: If the temperature
ConditionoefstablishmenT t:hceodies the transmission oil rises above
Checkifanyofthefollowingconditionsexist At 115º C (240º F), the change program is activated.
testduringthreeconsecutivekeystarts: overheating, check Operation of
The voltage of the temperature sensor of the trans- the transmission as a function of temperature of the
mission is off limits (below 0.07 transmission oil and the code is set. The
volts or above 4.94 volts DTC is just an informational code that
If the TCM detects a continuous erratic voltage establish to help the technician when
fromthetemperaturesensor. determine the cause that originates the problem of
The temperature of the temperature sensor of the driving ability reported by the client.
transmissionremainsbelow27ºC(80ºF) The code also aims to alert to the
foranextendedperiodoftime. technician of the need to determine if it has been
Functioning theory: The TCM uses a produced incorrect system operation
temperaturesensortomonitorthetempe- cooling or if it is necessary to incorporate a
Transmissioncollectortemperature. air-to-oil transmission cooler for the vehicle
theraturaisusedtodeterminewhichschemeof ass due to the client driving regularly
change must use the TCM. (See section insuchawaythatitoverheatsthetransmission.Thefunc-
Operation of the transmission and diagram of prolongedheatingabove115ºC(240ºF)
changes with various temperatures of the collector in it will reduce the durability of the transmission, so
this diagnostics manual.). If the circuit of what should be avoided. Correcting the defect of
transmissiontemperaturesensornotworking coolingsystemorinstallingacooler
To function correctly, the TCM will use the routine of theadditionaltransmissionoilwillbeimproved
oil temperature that can be found in durabilityofthetransmission,especiallyinthe
the TCM of previous year models. If this case of customers who circulate in city traffic,
it happens during three consecutive key starts enobras areas, with stops and starts
you,thecodeisestablished.TheTCMwilltestintonation- frequent, regularly towing trailers,
this is the temperature sensor circuit of the with aggressive driving at low or drives regularly
transmission every 35 heating starts mindsinmountainousareas.

18
 GENERAL INFORMATION
Efectsonthetransmission:Codeinformation No problem if the vehicle is set in motion.
I only had. - The scheme has been activated. neutral at speeds above
changes with reheating do not occur with- 32Km/H(20mph)andchangesquicklyto
clean mode sayings. 2nd march with EMCC DRIVE before the TCM leaves the
partial above 40 km/h (25 mph), 3rd gear STARTUPROUTINE.
conEMCC from 45 to 69 km/h (28 to 43 mph), change FORINTERMITTENTOPERATION
ascending 3-4 delayed at 69 km/h (43 mph) OF 2ND MARCH Y A CONTINUATION
downward change 4-3 premature at 66 km/h (41 RETURN TO NORMAL OPERATION
mph), operation of EMCC in all the con- WITHOUTCYCLINGTHEIGNITIONKEY
speeds above 40 km/h (25 mph) except
throttle butterfly closed or 1st gear. – Intermittent direct battery connection in-
Possiblceauses: between the TCM (56 pin connector of 60 ways)
Excess oil in the transmission andthebattery.

Cooling fan failure of the engine –Protectedpowerswitchoutput

– Stuck closed engine thermostat byintermittentfusebetweentheTCM(spike
11 pin 60 way connector) and the switch of
Corroded or dirty radiator on.
Transmission oil cooler cap
– Intermittent mass to the TCM (spikes 53 and 57 of
I swim
60-pin connector.
The customer's driving style requires
additionaltransmissioncooling Codename:P1687(77)-Lackofcomu-
communication with the MIC
CodneamP e:0884(7A6-c)tivation
i
Momicsheckincgitontinuouslywiththe
speed
key in the ON position.
Momth,veerificationstartw s hen
iastctivated.
ConditionoefstablishmentIn:forteceived
especially the TCM (transmission control module
mission). messagesfromthePCIbusfromtheinstrumentgroup
ConditionoefstablishmentI:fhT eCMis mechanics (MIC) for 25 seconds.
activate while in the DRIVE position and the vehicle Theory of functioning: The TCM communicates
circulates at more than 32 km/h (20 mph), it is established thewith the MIC using the PCI bus.To function
code. correctly, depends on certain information
Theory of operation: If a vehicle loses The TCM continuously monitors the PCI bus.
the electrical power to the TCM, the vehicle in- toverifyiftherearemessagesdisseminatedby
itwilbringitin2ndgearmodebecausethereisno thePCM.
availablepowersupplytocontrolthe Efectsonthetransmission:Possibleconfiguration
transmission solenoids. However, if incorrect activation of the AutoStick in the TCM.
restore the power supply, the TCM is Possiblceauses:
will activate; and normal operation will resume.
PCI bus circuit open or shorted from the
ThisDTCindicatesthatthepowerhasbeenreset.
electric switch to the TCM when the gear selector MIC
Chas was in DRIVE position with the MIC
vehicleinmotionatspeedsexceeding
32 Km/h (20 MPH). If a person changes to TCM (Only if there are other codes of comu-
NEUTRAL, turn the ignition key and change stored in the TCM
quickly to DRIVE with the vehicle in motion Codenumber:P1652(78)-Operation
IliebeforetheTCMleavestheROUTINE incorrect serial communication link
ON STARTUP, the DTC is established. MominthveerificationC : ontinuouslywiththe
Therefore, it is extremely important to point out that key in ON position.
thisdiagnosisandrepairprocedurealone- ConditionoefstablishmentI:fhme oduloef
themindshouldbeusedifthevehicleworksinter-
transmission control (TCM) does not receive messages
promptlyin2ndgearandthenresumesthe
fromthePCIbusfor10seconds.
normal operation with normal driving.
Theory of functioning: The TCM communicates
Efectsonthetransmission:Withoutconditionof
with the other vehicle modules using the bus
limp-in mode. The DTC is informative only.
when trying to diagnose the functioning PCI. To function correctly, it depends on
intermitent in 2nd gear returning afterward to the certaininformation.TheTCMmonitorswith-
normal operation. continuouslythePCIbustocheckifthereare
Possiblceauses: messagesdisseminatedbycertainmodules.

19
 GENERAL INFORMATION
Efectsontransmission:Possibleconfiguration-
Thenatureofthefastlearningfunction
incorrect cation of the AutoStick in the TCM and changes
requiresthatcertainconsiderationsbetakenintoaccount
3-4retarded.WithoutEMCCandchanges3-4premature
features.
ros for a few minutes after putting on
The engine is running. Rapid learning should not be used to
Possiblceauses: virtuallyasare-procedure
stop, unless indicated otherwise by a
Open or short PCI bus circuit from the diagnostic or repair procedure. If
BCM the transmission system presents a pro-
TCM problem that he thinks is caused by a
InvalidCVI,youmusttryagain.
CodneamP
e:0562(79B)atervyoltage thelearningofvaluebyperformingthemaneuver-
itwouldbeunder
proper driving skills. In most
MomandthveerificationC: ontinuouslywiththe Incaseswhererapidlearningimproves
engine running and the transmission relay vehiclechange,thevehiclewillreturnto
excited. tohavethesameproblem.
ConditionoefstablishmentI:fhveoltagoef-
detectedintheoutputcircuitsofthecontrolrelay Before carrying out the Fast Learning, it is
of the transmission (spikes 16 and 17 of the TCM) du- essentialthatthevehiclebechanged
to OD with the engine running and the level of
Wait15seconds.
Functioning theory: The system of trans- correct oil. This step will purge the air from
mission requires sufficient battery voltage the clutch circuits to prevent
tobeabletoexcitethetransmissionsolenoids. incorrectclutchvolumevalues,
The TCM continuously monitors the voltage dis- thatcouldleadtoachangeinquality
available to the solenoids. initial deficiency.
Efectsonthetransmission:Atspeedssu- If a TCM is installed unused in a vehicle
over72km/h(45mph),thetrans-systemof with the HOT motor, the Learning r
mission will default to neutral. I request will cause the TCM to report on a
below 72 Km/h (45 MPH) the system of the calculated cold oil temperature. This
thetransmissionwillswitchbydefaulttolimp-inmodeand it requires controlling the oil temperature
the MIL will light up after 5 minutes of calculated using the DRBIII.
substitute operation. It will be available the se- temperatureislowerthan15ºC(60ºF),thetrans-
manual parking gear lesson missionmustidleorbeactivated
Reversing, Neutral, and Second. in a march until the temperature
ph
teoisC
t:eb
isliyelatonu rises above 15º C (60º F). If the
temperatureisabove93ºC(200ºF),the
Charging system problem
transmissionmustcooldownuntilitisat
High resistance or poor connection between the below93ºC(200ºF).
TCMandthebattery/alternator Once the Rapid Learning is completed,
High resistance in the spigots 16 and 17 of the TCM thefirstgearengagesinoverdrive.
or poor connection After completing the Fast Learning,
place the vehicle in PARK.
High resistance in spikes 53 and 57 of mass
from TCM or poor connection The fast learning function must be effective
to sit down
High resistance in the relay contacts
transmission control When a new service TCM is installed
eniciM
deseniC
hlanoi t idarT After replacing or conditioning compo-
internalelementsofthetransmissionortheconver-
paircutter
3.3.8RAPIDLEARNING
TheFastLearningfunctionadaptstheparameters If one or more of the volume indices of
meters of the TCM to the characteristics of the trans- clutch (CVI) contain distorted readings-
missionofavehicle.Thisprovidestheuserwitha nothingproductofabnormalconditions.
better quality of change 'as perceived' in TocarryouttherapidLearningprocedure
comparison with the initial storage parameters I ask that the following conditions must be met.
born in the TCM.
It is essential that the vehicle be cam-
Notes about the characteristics of Learning gotoODwiththeenginerunningandthelevel
fast ofthecorrectoil.Thisstepwillpurgetheairfrom

20
 GENERAL INFORMATION
the circuits of the clutches to avoid ofthepinioninthetransmissioncontrolmodule
erroneous values of clutch volumes, (TCM) to provide the distance pulses
thatcouldleadtoaqualityofchange appropriate for the vehicle. The pinion factor is
initial deficient. program in the TCM at the assembly plant.
The brakes must be applied. Using the following steps, the factor of
The engine must idle. the pin can be checked and/or reset
draftingtheDRBIII
The angle of the butterfly of the accelerator
ThetemperatureoftheTP)mustbelessthan3degrees. 1. Select transmission system, various, and
Pinion Factor. The DRBIII®
The position of the gear lever must You will see the current tire size.
remaininNEUTRALuntilreceived the.
the instruction to switch to OD. If the tire size is incorrect,
– After the instruction of 'Change to above- press the ENTER key and then select
shift" the gear lever must remain- choose the correct measure.
born in OD until the DRBIII indicates 3. Press the PAGE BACK key to exit the
thattheprocedurehasbeencompleted. reset procedure.
The temperature of the oil must be between 15º
Notes about the characteristics of Factor
C (60º F) and 93º C (200º F)
electronic pine nut
The nature of the electronic pinion factor re-
NOTE: To avoid interruption of wants to take into account certain characteristics
procedure the conditions case.
mentioned must be maintained for
the entire duration of it. If there is no pinion factor stored
in an installed TCM, the vehicle's speedometer
Thefastlearningprocedureiseffec- the vehicle will not work, the engine speed
you with the DRBIII, selecting system of will be limited to 2,300 RPM, and can produce-
Transmission Various and then Learned caused damage to the catalyst.
"Go fast." Follow the instructions for the proce-
dimientothatappearsintheDRBIII . If a tire size is selected
incorrect, the speedometer will be inaccurate and
3.3.9CLUTCHVOLUMES willmakethecharacteristicsrelatedto
The volume of the L-R clutch is updated the speed does not work properly.
when a downward change of 2-1 is made or
3-1.Thetransmissiontemperaturemustbe NOTE: After replacing the TCM,
between 21 and 49º C (70 and 120º F). The volume of you will have to reprogram the factor of
theclutchmustbebetween35and83. pine nut.
The 2-4 clutch volume is updated
when a change of 1-2 occurs. The temperature- 3.4USEOFTHEDRBII
The transmission temperature must be above 43º C
(110ºF).Theclutchvolumemustbebetween If you want to get instructions and help for the
20 and 77. reading fault codes, how to erase codes
The volume of the OD clutch is updated of faults and other functions of the DRBIII® consult
when a change of 2-3 occurs. The tempera-
theuserguideoftheDRBIII®.
The transmission temperature must be above 43º C
(110ºF).Thevolumeoftheclutchmustbebetween
40 and 150.
The clutch volume of UD is updated
when a change from 4-3 or 4-2 occurs. The
thetransmissiontemperaturemustbeabove
43ºC(110ºF).Theclutchvolumemustbe
between24and70.

3.3.10ELECTRONICPINIONFACTOR
Thetransmissionspeedsignalofthetran-
missionsuppliesdistancepulsestotheModuleof
Control of the (PCM), which are used to calculate the
speed and mileage.Afactor is stored

21
GENERAL INFORMATION
VIEWER DRB III 3.6TRANSMISSIONSIMULATOR
REPLACEABLE LENS
(HERRAMIENTAMILLER N8333) AND
FWD
ADAPTER
(MILLER TOOL N8333-1)

KEYS OF
INPUT KEYS Thetransmissionsimulator,easytoinstall
FUNCTION tion, it is an electronic device that simulates the
LED electronic functions of any transmission
controlled EATX (41TE, 42LE, 45RFE and 545RFE).
CUR KEYS- CONTRAST with the Itsbasicfunctionistoassistthetechnicianinthe
SOR key 'YES'
time to determine if there is an internal problem
POST LIGHTING of the transmission or if the problem lies in the
RIOR with the "YES" key
vehicle wiring or the Control Module of the
NUMERIC KEYBOARD- transmission (TCM). It only works for problems-
RICO
LED OF THE KEY moreelectric.Itwillnothelpinthediagnosisof
UPPERCASE a defective mechanical component, but it can
to indicate that the TCM and the wiring are functioning
3.5ERRORMESSAGESOFTHE
correctly and that the problem is internal.
DRIB
II Before proceeding with the installation of the simulator,
thepowerswitchmustbeinposition
Duringnormaloperation,theDRBIII®
of blocking. Follow all the instructions that you
you will see one of the only two messages of they include with the simulator. If the feedback
error thesimulatorisquestionable,youcanverifyitsfunction-
–User−Requested WARM Boot (Warm Restart) installingitinavehiclethatyouknowthat
hot requested by the user function correctly. A 'vehicle that is known
"thatworkscorrectly"isconsideredavehicle-
User Requested COLD Boot (System Load) ass that does not set any DTC and can drive-
exploitationthemerequestedbytheuser to change as it should.
If the DRBIII displays any other message Animportantpointtorememberisthatthesimu-
The generator receives its electrical supply from the circuit.
report the error, record the full screen and call the
ofthetransmissionrelayoutput.Ifthesystemof
S.T.A.R.Center.
transmission is in limp-in mode (relay)
open),thesimulatorwillnotwork.Thisdoesnotindicate
3.5.1THEDRBIDOESNOTTURNON
a problem, but an additional symptom. If the
(WHITE SCREEN) simulator is not receiving electrical power ("P"
IftheLEDsdonotturnonornolightisemitted (on),thisindicatesthattheproblemstillexists.
havingthesimulatorconnected.Thisindicatesthat
sound when starting up, check if there are
theproblemliesinthewiringortheTCM,notinthe
loose cable connections or faulty cables
transmission.
tado. Check the vehicle's battery voltage
TheMillertoolNo.8333-1includesca-
and the connector masses of the data link. It
bladesadaptersandtheoverlappingelements
requires a minimum of 11 volts to power necessarytoadaptthesimulatortothetrans-
dulytheDRBIII. mission 41TE and 42LE.
If all the connections between the DRBIII and the
vehicle or other devices are correct and the
the vehicle's battery is fully charged, the failure 4.0 DECLINATION OF
theoperationoftheDRBIIIᶧ maybedueto RESPONSIBILITIES,
defects in a cable or in the vehicle's wiring. SECURITY AND
Incaseofablankscreen,consultthemanual
diagnostic procedures for the bodywork
WARNINGS
relevant.
4.1DECLINATIONOF
3.5.2THESCREENISNOTDISPLAYED RESPOE
N
T
S
B
L
II
Lowtemperaturesaffectvisibilityof
the screen. Adjust the contrast to compensate All the information, illustrations and specifications
this condition. provisions contained in this manual are ba-
basedonthemostrecentinformationavailableinthe

22
 GENERAL INFORMATION
moment of its publication. Reserves the right to Gear shift test, performed with the
make changes at any time without notice DRBIII®explorationtool.
previous
4.2.3SUBSETSERVICE
4.2SECURITY The service of certain components of the system
Thedebtmustbefulfilledonlytogether.Ifitisattempted
4.2.1SAFETYINFORMATION removeorrepairsomesubcomponentsofthesis-
theme,itcouldcausepersonalinjuriesand/ora
F
O
RT
H
ET
E
C
A
H
CN
N
II inadequate functioning of the system. Only the
they must repair those components that have
WARNING: ENGINES EMIT installation and repair procedures approved
twointheservicemanual.
CARBON MONOXIDE, ODORLESS GAS
WHAT DECREASES THE CAPACITY OF 4.2.4SAFETYINFORMATION
REACTION AND CAN CAUSE INJURIES
SERIES. WHEN THE ENGINE IS ON ABOUTTHEDR
IB
II
MARCH, KEEP THE AREAS OF
SERVICE WELL VENTILATED OR CONNECT WARNING: IT IS DANGEROUS TO EXCEED
THE VEHICLE'S EXHAUST SYSTEM AT THE LIMITS OF THE MULTIMETER OF THE
GAS EXTRACTION SYSTEM DRBIIIa. CAN EXPOSE IT TO INJURIES
ESCAPE FROM THE WORKSHOP. SERIOUS OR POSSIBLY FATAL. READ
Before proceeding with the check or repair CAREFULLY THE LIMITS
vehicle's motion, engage the parking brake CONTENTS IN THE SPECIFICATIONS
I lied and blocked the wheels. In vehicles with Y Make sure you have them
front-wheel drive, is especially UNDERSTOOD.
importanttoblockthewheels:theparkingbrake
neitherdoesitholdthewheelswithtraction.Although- • Alwaysrespectthespecificationsof
theoperationsdescribedinthismanualrequire vehiclemanufacturer'sservice.
thedisconnectionoffittings,hoses,andtubes • Do not use the DRBIII if it has been damaged.
hydraulicsforinspectionorverificationpurposes. • Do not use the test drivers with the ais-
Whentheyarefullycharged,thesesis- damagedliningorexposedmetal.
themes contain liquid at high pressure. Before
• To avoid an electrical shock, do not touch the
disconnect any fitting, hose, or tube hi- test conductors, the tips or the circuit
hydraulic,makesurethatthesystemislocated thatisbeingverified.
totally depressurized.
When servicing a vehicle, always use • Selectthecorrectrangeandfunctionforthe
eye protection and remove all objects or verification. Do not attempt to measure voltage or co-
metal decorations, such as watch straps or bracelets currentsthatexceedtheestablishedcapacity.
that can provoke an electrical contact in- • Do not exceed the limits indicated in the table.
advertised.
Whendiagnosingtheproblemsofasystemofthe FUNCTION LIMITOFEN-
transmission,itisimportanttofollowtheprocedures- TRADA
approved as appropriate. It is very important-
youmustrespectthoseproceduresforsafety Volts 0-500maximumvolume
of the people who conduct the tests of uncles CA
diagnosis. 0 - 500 volts DC
Ohms (resistance) 0-1.12megaohms
4.2.2VEHICLEPREPARATION
Frequency measure 0-10kHz
FORTHETESTS Generated frequency
Makesurethatthevehicleyouaregoingtotest Temperature -58 - 1.100º F
havethebatteryfullycharged.Ifnot -50 - 600º C
thus, diagnostic codes can be produced or
false error messages. It is extremely impo- It is not possible to measure ohms if there is voltage.
aslongastheTCMhasprecisedataon Ohms can only be measured in a circuit.
the position of the gear lever. The accuracy without voltage.
ofanyfailurediagnosiscodefound • The voltage between any terminal and the ground does not
inmemoryisdoubtful,unlesssurpassedthe mustexceed500VACmaximum.

23
GENERAL INFORMATION
• Be careful when measuring voltages above 25v 4.3.2ROADTESTOFA
CC or 25VAC.
VEH
C
ILE
SUBJECTO
• The circuit being verified must be
protected by a 10A fuse or a circuit breaker of
CO
MN
P
T
L
AI
circuit. Some claims will require proof of
driving as part of the verification procedure
• Use low current derivation to measure the repair. The objective of this test
circuits up to 10A. Use the clamp of it is about reproducing the conditions of the codes
high current to measure circuits of more than Diagnostictestsorsymptoms.
10A.
• Whencheckingforthepresenceofvoltage CAUTION: Before carrying out the
or current, make sure the meter is road tests of a vehicle,
functioning properly. Take a reading of make sure they have been reset
aknownvoltageorcurrentbeforeacceptance assemble all the components. During
areadingofzero. the driving test, do not try to read it
• To measure current, connect the meter in series.
DRBIII screen while the vehicle
with the load. It is in motion. Do not hang up the DRBIII.
from the rearview mirror to operate it yourself
• Disconnectthetestleadfromthelivewire same. Look for an assistant to take care of it.
before disconnecting the test lead to make the DRBIII work.
common. The road check is an essential step.
• When you are using the measurement function, essential in the diagnostic process that should not
keeptheDRBIIIapartfromthecables to overlook. Together with the information of
coil or spark plugs to avoid measurement errors diagnosis obtained through the tool of
duetoexternalinterferences. exploration of DRBIII and the original inconvenience
statement by the client, the road test
4.3WARNINGS contributes to verifying the problem and allows for observing
theoperationunderdrivingconditions
current condition of the vehicle.

4.3.1WARNINGSABOUTDAMAGETO As important as the test itself in carre-

your son is the preliminary inspections that must
VE
C
H
LIE to be carried out before it. Check
Before disconnecting any module of con- always the level and the state of the liquid before
please ensure that the ignition is in position proceed to the road test of the vehicle.
"LOCK". Otherwise, it could cause damage to the Determine if an inco- liquid is being used
module. correct, as this will cause a malfunction
erratic transmission. An incorrect fluid
When I checked the voltage or the continuity of
itcanbethecauseofproblems.Inaddition,alevel
any control module, use the end of
incorrectliquidcanleadtoavarious-
terminals (not the end of the cable) of the connector.
dad of inconveniences. The following are offered
I did not probe a wire through the insulator; that I
some of the problems created by a level of
itwoulddamageandultimatelyafailurewouldoccurdueto
incorrectliquid
to corrosion.
Be cautious when performing electrical tests. • Delayedcoupling
to prevent accidental shorts in the terminals- • Deficient change action or erratic changes
Such errors can damage the fuses or the
• Excessivenoise
components. In addition, a se- could be established
afailurecodewhichwouldcomplicatethediagnosis • Reheating
ticooftheoriginalproblem. The next step is to verify that the
Whenreplacingablownfuse,itisimportant the articulation of change is correctly adjusted
Youshoulduseonlyafuseofthespecifiedamperage. ta-da.Iftheadjustmentofthegearshiftjoint
correct. The use of a fuse with an amperage that marches is incorrect, a series may occur
notbeingtheindicatedonecanleadtoadangerous ofinconveniences.
overload of the electrical system. If a fuse of the The TCM monitors the position sensor of the
the correct amperage keeps blowing, this indicates gear lever (SLP) at all times. If the
the joint adjustment is incorrect, the TCM
aprobleminthecircuitthatmustbecorrected.
candetectaleverpositionofcam-

24
 GENERAL INFORMATION
biosthatisnotthecorrectoneforthechosenmarch 4.3.4BULLETINSANDCALLSTO
bythedriver.Thiscanleadtotheestablished-
creation of a DTC. RO
E
SV
IN
The anomalies indicated below The service procedures contained in
theycanalsobetheresultofajoint thismanualiscorrect,aslongastheyhave
incorrectly adjusted or worn out fitting: carriedoutallthesecurityreviewcalls
dadandapplicabletechnicalservicebulletins.
• Delayedcouplingofclutch

• Erraticchanges
5.0 TOOLS AND
• Vehicle that can move in NEUTRAL NECESSARY EQUIPMENT
• EnginethatcannotstartinPARKorNEUTRAL
TRAL DRBIII (diagnostic reading device
• Gearshift articulation that can tico) - Must be in the latest version
change without the key in the ignition updated.
Transmission simulator (tool
• Inability to remove the ignition key in
Miller No. 8333
PARK
Transmission simulator (My tool-
• Parking ratchet that does not engage
adapterdecksetand
The articulation of change must also adjust.
overlay panel for FWD vehicles.
whenthetransmissionisreplaced,itre-
forthevalvebodyoranycomponent Bridge cables
locatedbetweenthegearleverandthetransmission Test light (minimum resistance of 25
session. ohms
Below are some questions that
Ohmmeter
shouldbeformulatedbeforeundertakingthetest
ontheroad: Voltmeter
• Isthecomplaintorinconveniencewhatyou Pressure indicator 0-2.070 kPa (0−300 PSI)
think about what it is, based on the description of
problem caused by the driver?
6.0 GLOSSARY OF TERMS
• Does the transmission work normally or real-
Isthereaproblem?
6.1ACRONYMS
• When does the problem occur?
• Does the problem occur in only one gear? BCM Body control module
CIRC. Circuit
• Atwhattemperaturedoestheanomalyoccur?
CVI Clutchvolumeindex
• Has the vehicle remained unused for DLC Data link connector
thenightfortheproblemtooccur?
DRBIII Diagnosticreadingdevice
• Isthetransmissioninlimp-inmode? tico
DTC Fault diagnosis code
4.3.3WARNINGSABOUTTHEFACTOR EATX Electric automatic transmission
OFELECTRON
C
IP
N
O
IIF
N
I( electronics
EMCC Torque converter clutch
e
s
p
C
o
n
rd
o
s
r electronically modulated
WhentheTCMisreplaced,itmustbeestablished FCM -Frontcontrolmodule(part
the pinion factor. Note: The pinion factor is a oftheIPMsystem)
fixednumberthatcannotbechangedorupdated IOD -Consumption on in position-
in some vehicle applications. In case of OFF action
that the pinion factor was not programmed, or it IP
M Intelligentpowermodule
program incorrectly, no function re- people
related to the speed will function correctly
IRT Timing with recovery
mind,thatis,thespeedometer,thespeedcontrol-
intelligent
Dad,thedoorlockingwhileinmotionandothers
control module that depends on information ISS Impeller speed sensor
relative to speed will be affected. LED Light Emitting Diode

25
 GENERAL INFORMATION
LR Low/reverse clutch TRD Twist reduction
LU Enclavement TRS Transmission position sensor
MIC Groupofmechanicalinstruments session
MIL Operatingindicatorlight UD Submultiplication clutch
incorrect 2/4 Clutch of 2nd and 4th gear or
OBDII Onboard diagnostics pressure switch
OD Overdrive clutch or with-
pressure mutator 6.2DEFINITIONS
OSS Transmissionspeedsensor
OBDIICycle(OBDIIIEUROSTAGE)-A
session
starting and driving cycle of the vehicle in the
PCM Controlmoduleofthemechanism
that all diagnostic monitors have been carried out
oftransmission
diagnostic once per cycle.
PEMCC modulated electric torque converter
Start-upwithkey-Astart-upcycleand
partially electronically
functioning of the vehicle of a minimum of 20
PLU Partial enclavement
seconds.
REV Reverse clutch Heatingcycle-Astartingcycleand
SLP
K Set of solenoids operation of the vehicle in which the temperature-
SSV Sole switching valve the engine coolant temperature should rise as
noide minimumto71ºC(160ºF)andincreaseatleast
CONM. Switch 4.4ºC(40ºF)withrespecttothetimeofthesetting
TCC Torque converter clutch inprogress.Foritofollowaheatingcycle-
o i t i d a r T Transmissioncontrolmodule Ilie,thereshouldbenoDTCsproducedduringthatcycle.
session
TP Butterfly position of the accelerator
dor

26
 7.0
INFORMATION AND
PROCEDURES OF
DIAGNOSIS

27
COMMUNICATIONS

wth
idoaouutbt:
LACK OF RESPONSE FROM THE CONTROL MODULE
TRANSMISSION

POSSIBLECAUSES
LACK OF RESPONSE FROM THE TRANSMISSION CONTROL MODULE
OUTPUTCIRCUITOFTHEIGNITIONSWITCHPROT.BYFUSE(RUN/ST,EN
MARCHANDSTART)OPEN
OUTPUTCIRCUITOFIGNITIONSWITCHPROTECTEDBYFUSE(START,start-
OPEN
B(+)circuitprotection by open fuse
OPEN MASS CIRCUITS
TRANSMISSIONCONTROLMODULE
OPENPCIBUSCIRCUIT
BODYCONTROLMODULE

TEST ACTION APAPPLICABILITY

1 Place the ignition in the ON position. Everyone
UsetheDRBtoattempttocommunicatewiththecontrolmoduleofthemechanismof
transmission (PCM).
Use the DRB to try to communicate with the body control module.
(BCM).
Could the DRB identify or establish communication with both modules?

Yes→ Goto 2

No→ Consult the Communications category and carry out the symptom
appropriate.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

2 Set the ignition to the OFF position. All

DisconnecttheharnessconnectorfromtheTCM.
Put the ignition in the ON position.
Usea12-volttestlightconnectedtogroundtoprobethecircuit.
output(RUN/START)oftheignitionswitchprotectedbyafuse.
NotT e:hligehothtfm
eoocnomewsitih
ntendsitoyifen;sohtappbein
ta,realyppears.
Inahundredaytsh,ceircuw ithilavteobreepairedIth f.eraiesnydoubut,pontesting
thecircuitcomparestheintentofiluminationwiththeintentwithwhich
connectsdirectlytothepositiveterminalofthebattery.
Doesthetestlightilluminate?

Yes→ Headto 3

No→ Repair an open in the output circuit (RUN/START) of the

Fuse protected power switch. See the diagrams
cabling located in the Service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

28
 COMMUNICATIONS

LACK OF RESPONSE FROM THE TRANSMISSION CONTROL MODULE —

(Continuation)
TEST ACTION APAPPLICABILITY
3 Put the ignition in the OFF position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
RemovethestartermotorrelayfromthePDC.
Usea12-volttestlightconnectedtogroundtoprobethecircuitof
output(START)ofthepowerswitchprotectedbyafuse.
NotT e:hligehothtflaemcip sontainensdifm
oit;t,pd
lyoesnh'tappen.
Inahundredoth f,ceircusithouldbreepairedIth f.eraiesnydoubw
t,hentesting.
thecircuitcomparestheintensityofiluminationwiththeintensitywithwhich
connectsdirectlytothepositiveterminalofthebattery.
Observe the test light while temporarily placing the switch on
ignition in the START position.
Doesthetestlightilluminate?

Yes→ Goto 4

No→ Repairanopenintheoutputcircuit(START)oftheswitch
Ignitionprotectionbyfuse.Refertothewiringdiagrams.
situated in the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

NotR
e:einstahloeriginsatalrterrelay.

4 Set the ignition to the OFF position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Usea12-volttestlightconnectedtogroundtoprobetheB(+)circuit.
protection by fuse.
NotT e:hligehfrtom
thlaemcip
sontainedo;therwjuistb
es,taretlyurnosn.
Inahundredaytsh,ceircuw ithilavteobreepairedIthf.eraiesnydoubw
t,hentesting.
thecircuitcomparestheintentionoflightingwiththeintentionwithwhich
connectsdirectlytothepositiveterminalofthebattery.
Doesthetestlightturnon?

Yes→ Goto 5

No→ RepairanopencircuitintheoutputB(+)oftheprotswitch.
for fuse. Refer to the wiring diagrams located in the
Service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

5 Place the ignition in the OFF position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Use a 12-volt test light connected to 12 volts to probe each
ground circuit in the TCM connector.
NOTE:Thelightshouldbeturnedongently,withoutmakinganoise.
Takeiteasy,ou
havteroepatirhceircuyIitf.ou
havdeoubtcso,mpartehin
etensity.
to try the circuit with the intent when it is directly connected
the negative terminal of the battery.
Does the light turn on in all ground circuits?

Yes→ Headto 6

No→ Repairanopencircuitinthegroundcircuits.Checktheconnection.
massstruttotheengineblockand/orthechassis.Pleaseconsultthe
wiringdiagramslocatedintheserviceinformation.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

29
COMMUNICATIONS

LACK OF RESPONSE FROM THE TRANSMISSION CONTROL MODULE —

(Continuation)
TEST ACTION APAPPLICABILITY
6 NoteB:eforceontinuingm
, akseurtehathterciseommunication
from
thP
eCbIus. Everyone
withtheothermodulesofthevehicle.Otherwise,consultthelistof
recp
ib
u
ah
trcem
id
ow
ortd
ln
W
astin
gtacin
ecash
.tieok
tn
u
d
eign
,t
DisconnecttheharnessconnectorfromtheTCM.
Use the input cable of the oscilloscope CH7058, the cable adapter in the
testdeviceCH7062andtheredandblacktestprobes.
ConnecttheoscilloscopeinputcabletothechanneloneconnectoroftheDRB.Secure
the red and black wires and the cable adapter in the probe to the input cable
of the oscilloscope.
Use the DRB III to select Wide Port Module Tools
permanentresidence(PEP).
Select the oscilloscope.
Select current data.
Select the 12-volt square wave.
PulseF2fortheoscilogram.
Press F2 and use the down arrow to set the voltage scale to 20 volts.
Set the probe to x10. Once completed, press F2 again.
Connecttheblackwiretothechassisground.Connecttheredwiretothebuscircuit.
PCI in the TCM connector.
Put the ignition in the ON position.
Observe the voltage visualization of the DRB oscilloscope.
Doesthevoltagechangefrom0toapproximately7.5volts?

Yes→ Replacethetransmissioncontrolmoduleaccordingto
service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 7

7 DisconnecttheharnessconnectorfromtheTCM. All
Disconnect connector C3 from the BCM harness.
WhatistheresistanceofthePCIbuscircuitbetweentheTCMconnectorandtheconnector
C3oftheBCM.
Is the resistance below 5.0 ohms?

Yes→ Replacethebodycontrolmoduleaccordingtothe
Service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ RepairanopeninthePCIbuscircuit.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

30
 TRANSMISSION

Wd
h
tioau
:b
tt
P0120-SIGNALCIRCUITOFTHEPOSITIONSENSOROF
BUTTERFLYOFTHEACCELERATOR

Mominthveerificationandconditionoefstablishment:

P0120THROTTLE
- POSITIONSENSORSIGNALCIRCUIT
DE-ACCELERATOR
Verificationmoment:Whenevertheengineisrunning.
Establishment condition: This code is established if the butterfly angle of the
accelerator is out of range or if the throttle butterfly angle changes shape
abrupt(thatis:fasterthanthemovementofthebutterfly'sbody)
accelerator).

POSSIBLECAUSES
PRESENCEOFDTCRELATEDTOPCM
DEF.INTERMITTENTWIRINGANDCONNECTORS
OPENSENSORMASSCIRCUITTOTCM
TPSSIGNALCIRCUITOPENTOTCM
THE CHANGE OF VOLTAGE AND TPS IS NOT GRADUAL
TCM-TPSSIGNALCIRCUIT

31
TRANSMISSION

P0120-THROTTLEPOSITIONSENSORSIGNALCIRCUIT
ACCELERATOR—(Continuing)
TEST ACTION APAPPLICABILITY
1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue,
Checaknaddjuth stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysmakethediagnoseswiththebatterycompletely.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingthediagnosticsymptomsofthetransmission.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:The day I honestly complete the tasks of 1st cycle as a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear shift lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTC,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomedo
they make it so that all the monitors have taken place while driving the vehicle
diagnosis.
NOTE:Checkthelevelofrapidupdateofthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBsr,elatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRBIII to check the DTCs of the control module of the mechanism. Everyone
transmission.
Do the DTC P0122, P0123 or P0121 appear in the PCM?

Yes→ Consult the Driving Ability category for information

abouttherelatedsymptoms.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 3

3 Start the engine and let it idle. All

Use the DRBIII® in Transmission Sensors to read the TPS voltage.
Is the TPS voltage below 0.3 or above 1.0 volts?

Yes→ Goto 4

No→ Goto 7

4 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTPS.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repnaifeircessary.
WhatistheresistanceofthecircuitgroundofthesensorbetweentheTPSharnessconnector?
and the harness connector of the transmission control module.
Is the resistance below 5.0 ohms?

Yes→ Goto 5

No→ Repairanopeninthegroundcircuitofthesensor.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

32
 TRANSMISSION

P0120THROTTLE
- POSITIONSENSORSIGNALCIRCUIT
ACCELERATOR-(Continuous)
TEST ACTION APLIABILITY
5 Turn off the ignition by placing it in the LOCK position. Everyone
Disconnect the harness connector from the throttle position sensor.
Disconnecttheharnessconnectorfromthetransmissioncontrolmodule.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthesignalcircuitoftheTPSfromtheTCMharnessconnector?
harnessconnectoroftheTPS.
Is the resistance below 5.0 ohms?

Yes→ Goto 6

No→ RepairanopenintheTPSsignalcircuit.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

6 Iftherearenootherpossiblecauses,lookattherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III TO CARRY OUT A RAPID LEARNING AND
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit. Move the wires while checking if
There are open or short circuits.
Payspecialattentiontothepointwherethecircuitsignalconnectionsofthe
TPSandthemasssensorareseparatedfromthemotorcircuits.
Have you encountered any problems?

Yes→ Repair the wiring and/or the connectors as necessary.

Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

8 Put the ignition in the ON position. Everyone

Use the DRBIII to read the TPS VOLTAGE.
Openandclosethethrottlebutterflyslowly.
Doesthevoltagechangegradually?

Yes→ Full test.

No→ Replacethethrottlepositionsensoraccordingto
Service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

33
TRANSMISSION

Letg'sto:
P0218-FHIGHTEMPERATUREOPERATIONACTIVATED

Mominthveerificationandestablishmenctondition:

P0218-FHIGHTEMPERATUREFUNCTIONINGACTIVATED
Verificationmoment:Whenevertheengineisrunning.
Establishment condition: As soon as the change scheme is activated
overheating(transmissionoiltemperature116ºCor240ºF).

POSSIBLECAUSES
INCORRECTFUNCTIONINGOFTHEENGINECOOLINGSYSTEM
INCORRECTLIQUIDLEVEL
TRANSMISSION OILCOOLER BLOCKED
HIGHTEMPERATUREOPERATIONACTIVATED

TEST ACTION APAPPLICABILITY

1 Carry out the diagnostics of the engine cooling system according to the information. Everyone
of service.
Does the engine cooling system work properly?

Yes→ Headto 2

No→ Repair the cause of the engine overheating. To obtain

additional information regarding the repair, please consult the Info-
service information.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

2 Check the transmission fluid level according to the Information of All

service.
Is the transmission fluid level correct?

Yes→ Goto 3

No→ Repair any fluid leaks from the transmission as needed.

necessaryandadjustthetransmissionfluidlevelaccordingtothe
Service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

3 Perform the flow test of the transmission cooler according to the Information of Everyone
service.
Hasthetransmissioncoolerflowtestbeenpassed?

Yes→ Goto 4

No→ Repairthecauseofthecloggedtransmissionoilcooler.
andemptyorreplacethetransmissionoilcoolerasper
it is necessary according to the Service Information.
Carry out TEST OF TRANSMISSION VERIFICATION
41TE - VER 1.

34
 TRANSMISSION

P0218-FHIGHTEMPERATUREOPERATIONACTIVATED—(Continuation)

TEST ACTION APAPPLICABILITY

4 This DTC is an informational DTC to assist the technician in the diagnosis of Everyone
claims related to the quality of change.
ThisDTCindicatesthatthetransmissionhasbeenoperatingintheshiftscheme
ofoverheating,whichmayhaveledtothecustomer'scomplaint.
Thecustomer'sdrivingconditionsmayindicatetheneedtoinstalla
additionaltransmissionoilcooler.
Have you encountered any problems?

Yes→ Repairthecauseofthetransmissionoverheatingaccordingtothe
Service information. If necessary, install a cooler.
additional transmission oil.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

35
TRANSMISSION

Sin
Tom
a:
P0562-LOWBATTERYVOLTAGE

Mominthveerificationandconditionoefstablishment:

P0562-BATTERYVOLTAGELOW
Verificationmoment:WiththeenginerunningandwhentheTCMhasclosedtherelay
transmission control.
Establishmentcondition:Ifthebatteryvoltageintheoutputdetectioncircuit
thecontrolrelayofthetransmissionoftheTCMislowerthan10.0voltsfor15seconds.
This DTC generally indicates a gradually decreasing battery voltage or
resistive connections to the TCM.

POTENTIALCAUSES
DTCRELATEDTOTHECHARGINGSYSTEM
INTERMITTENTCABLEANDCONNECTOR
CIRCUITB(+)PROTECTEDBYOPENFUSEORWITHHIGHRESISTANCE
OPEN MASS CIRCUIT OR WITH HIGH RESISTANCE
CONTROLRELAYOUTPUTFROMTRANS.TOTCMINOPENORWITHRESISTANCE
HIGH
TRANSMISSIONCONTROLRELAYOPENORWITHHIGHRESISTANCE
TCM - BATTERY VOLTAGE LOW

36
 TRANSMISSION

P0562-BATTERYVOLTAGELOW-(Continuation)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely.
toavoidthd eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingthediagnosticsoftransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:The first cycle failures are completely like a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratios,checkandrecordalltheCVI.
MostDTCsareestablishedatstartup,butsomedoso
they conduct the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofthemodule'scontrolupdate.
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRBIII® to read the DTCs from the PCM. Everyone
Is there any DTC related to the charging system stored in the PCM?

Yes→ ChecktheChargingSystemcategoryandfirstrepairany
DTCofthePCMchargingsystem.NOTE:Afterrepairingthe
DTCofthePCMchargingsystemperformthetestofVerify-
actionofthetransmissiontoconfirmthatthetransmissionisnot
damaged.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 NOTE:Tocarryoutthistestthegenerator,thebatteryandthesystemof Everyone
Thceomputem r usfu tnctioncorrectly.
Use the DRBIII to read the DTCs from the transmission.
UsetheDRBIIItochecktheSTARTSCOUNTERFROMESTABLISHED-
MOLDINGforP0562.
NotT
e:haisccouonisntalypplicabtolh
elaestablisheD
dTC.
Is the Start Counter since establishment for P0562 at 0?

Yes→ Goto 4

No→ Goto 9

37
TRANSMISSION

P0562-BATTERYVOLTAGELOW—(Continued)

TEST ACTION APAPPLICABILITY

4 Turn off the ignition by placing it in the LOCK position. All
DisconnecttheharnessconnectorfromtheTCM.
Removethetransmissioncontrolrelay.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
ConnectajumperwirebetweentheB(+)circuitprotectedbythefuseandtherelayoutput.
oftransmissioncontrolinthetransmissioncontrolrelayconnectorofthe
PDC.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
B(+) in the TCM harness connector.
NOTE:The test light must illuminate with intensity. Compare this
In
tecisniot,nnectedirectltyohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 5

No→ RepairanopenorhighresistanceintheB(+)prot.circuit.
fuse. If the fuse is open, make sure to check if there is any.
ashortomass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

5 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
NotCe:hectkhceonnectoCr-slean/repaanirsecessary.
Use a 12-volt test light connected to 12 volts to check the
ground circuits in the TCM harness connector.
NOTE:The test light must illuminate with intensity. Compare this
In
ten
youconnedcittirectltyohbeattery.
Doesthetestlightilluminatebrightlyinallgroundcircuits?

Yes→ Goto 6

No→ Repairanopenorhighresistanceinthegroundcircuits.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

6 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
RemovethetransmissioncontrolrelayfromthePDC.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) prot. by fuse and the circuit of
transmission control relay output in the control relay connector of the
PDCtransmission.
Ignition in the ON position, engine stopped.
Use a 12-volt test light connected to ground to check both
output circuits of the transmission control relay in the harness connector
TCM.
NOTE:The test light must illuminate with intensity. Compare it.
In
tenco,nnecthtdeevicw
eithd
airectonnection tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit.
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

38
 TRANSMISSION

P0562-BATTERYVOLTAGELOW—(Continuation)

TEST ACTION APLIABILITY

7 Turn off the ignition by placing it in the LOCK position. Everyone
Installanotherrelayinsteadofthetransmissioncontrolrelay.
Start the engine.
Useavoltmetertomeasurethebatteryvoltage.
Use the DRBIII to observe the switched battery voltage of the transmission.
Compare the switched battery voltage of the DRBIII transmission with the
realvoltageofthebattery.
Does the voltage of the DRBIII® differ by less than 2.0 volts from the voltage of the
battery?

Yes→ Replacethetransmissioncontrolrelay.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

8 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a rapid learning and
REPROGRAM THE PINION FACTOR.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

9 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

39
 TRANSMISSION

dIoh
nat'vae:
P0604-INTERIOROFTHETCM

POSSIBLECAUSES
TCM-INTERNALERROR

TEST ACTION APAPPLICABILITY

1 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

40
 TRANSMISSION

Wth
idoaouutbt:
P0605-INTERNALOFTCM

POSSIBLECAUSES
TCM-INTERNALERROR

TEST ACTION APAPPLICABILITY

1 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to enable quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

41
Transmission

Wth
idoaouutbt:
P0613-INTERNALFAILUREOFTHETCM

POSSIBLECAUSES
TCM-INTERNALERROR

TEST ACTION APAPPLICABILITY

1 NOTE:Beforecarryingouttherepair,makesurethatthisDTChasbeen Everyone
established
in
thT
eCM.
Iftherearenootherpossiblecauses,checktherepair.

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III TO CARRY OUT A RAPID LEARNING AND
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

42
 TRANSMISSION

dIoh
nat'vae:
P0706-COMPSIGNALROBBERYOFTHESWITCH

Mominthveerificationandestablishmenctondition:

P0706-COMPSIGNALROBBERYOFTHECHANGER
Verificationmoment:ContinuouslywiththeignitionkeyintheONposition.
Establishment condition: 3 appearances in a key start of a code of
InvalidPRNDLlastingmorethan0.1seconds.

POSSIBLECAUSES
PRESENTOFCONDITIONP0706
INTERMITTENTWIRINGANDCONNECTORS
T1DETECTIONCIRCUITOFTHEOPENTRS
T3DETECTIONCIRCUITOFTHEOPENTRS
T41DETECTIONCIRCUITOFOPENTRS
T42DETECTIONCIRCUITOFTHEOPENTRS
T1SHORTTOGROUNDDETECTIONCIRCUITOFTRS
T3SHORTTOGROUNDDETECTIONCIRCUITOFTHETRS
T41TRSSHORTTOGROUNDDETECTIONCIRCUIT
T42TRSSHORTTOGROUNDDETECTIONCIRCUIT
T1detectioncircuitofTRSshorttovoltage
T3SHORT-CIRCUITDETECTIONCIRCUITATVOLTAGE
T41TRSSHORT-CIRCUITDETECTIONCIRCUITTOVOLTAGE
T42SHORT-CIRCUITDETECTIONCIRCUITOFTHETRSATVOLTAGE
TRANSMISSIONPOSITIONSENSOR
TCM-T1DETECTIONCIRCUITOFTHETRS
TCM-T3DETECTIONCIRCUITOFTHETRS
TCM-T41DETECTIONCIRCUITOFTRS
TCM-T42DETECTIONCIRCUITOFTHETRS

43
TRANSMISSION

P0706-COMPSIGNALROBBERYOFTHESWITCH(Conti
- nuing)

TEST ACTION APLIABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
Thetransmission.Ifthelevelislow,localizeandrepairtheleak,continue,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforeperformingdiagnosisoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of the first cycle.
NOTE: Day gn ostiqu that the fails of 1 cycle like a DTC complete completely
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratio,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomeofthem
they make it so that all the monitors have taken place while driving the vehicle
diagnosis.
NOTE:Checktheupdatespeedlevelofthecontrolmodule.
broadcastingS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRBIII to perform the gear shift lever position test. Everyone
Selectatestresultfromthefollowing:

Thetestispassed.
Goto 3
DoesnotpassthetestwithDTC
Goto 4
DoesnotpassthetestwithoutDTC
Adjust the shift linkage according to the information from
service.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

3 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Full test.

44
 TRANSMISSION

P0706-COMPSIGNALROBBERYOFTHESWITCH—(Continuation)

TEST ACTION APAPPLICABILITY

4 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the relay from the engine of the PDC. This will prevent
Thth
eanestagm
sn
iratn
eid
arch.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthesetof
FWD adapter cables, Miller tool No. 8333-1.
Ignition in ON position, engine stopped.
Use the DRBIII® to perform the shift lever position test.
WhentheDRBIII®indicatesthatyoushouldplacethegearselectorinaposition
in particular, it must be done using the transmission simulator. Before
press ENTER on the DRBIII ,the LED for the gear position in question must
tobeilluminated.
Hasthetestbeenpassed?

Yes→ Goto 5

No→ Goto 6

NOTED : isconnectheSIMcardandthetransmissionlineandreconnecatl.
theconnectoristoomuch.

5 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
ReplacethetransmissionpositionsensoraccordingtoInforma-
service action.
Carry out TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

6 Ignition in ON position, engine stopped. Everyone

Use the DRB III in Inputs/Outputs to read the detection circuits C1 to C4.
oftheTRS.
Movethegearshiftthroughallthegearpositions,pausing.
momentary at each position. Observe if one or more of the circuits do not change from
state.
Selecttheonethathasnotchangedstate.

Detection of T1 of the TRS (C4)

Goto 7
Detection of T3 of the TRS (C3)
Goto 11
Detection of T41 from the TRS (C1)
Goto 15
Detection of T42 of the TRS (C2)
Goto 19

7 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthedetectioncircuitofT1oftheTRSfromtheharnessconnector?
fromTCMtotheTRSharnessconnector.
Is the resistance above 5.0 ohms?

Yes→ RepairthedetectioncircuitofT1oftheopenTRS.
Perform a TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

45
TRANSMISSION

P0706-COMPSIGNALROBBERYOFTHESWITCHER(Conti
- nuation)

TEST ACTION APAPPLICABILITY

8 Turn off the ignition by placing it in the LOCK position. All
Disconnect the TRS harness connector.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistancebetweengroundandthedetectioncircuitofT1oftheTRSintheconnector?
fromtheTCM'sclub.
Is the resistance below 5.0 ohms?

Yes→ RepairthedetectioncircuitofT1oftheTRSshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
RemovethetransmissioncontrolrelayfromthePDC.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit protected by a fuse and the circuit of
control relay output of the transmission in the control relay connector of the
PDCtransmission.
Ignition in ON position, engine stopped.
What is the voltage of the detection circuit of T1 of the TRS in the harness connector?
TCM.
Is the voltage above 0.5 volts?

Yes→ RepairtheT1detectioncircuitoftheTRSinshorttovoltage.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10

10 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthedetectioncircuitofT3oftheTRSfromtheharnessconnector?
fromtheTCMtotheTRSharnessconnector.
Is the resistance above 5.0 ohms?

Yes→ RepairtheT3detectioncircuitoftheopenTRS.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 12

46
 TRANSMISSION

P0706-COMPSIGNALROBBERYOFTHECHANGER(Conti
- nuation)

TEST ACTION APAPPLICABILITY

12 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistancebetweengroundandtheT3detectioncircuitoftheTRSintheconnector
fromtheTCMmallet.
Is the resistance below 5.0 ohms?

Yes→ RepairtheT3detectioncircuitoftheTRSshortedtoground.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 13

13 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay at the control relay connector
PCMtransmission.
Ignition in the ON position, engine off.
What is the voltage of the T3 detection circuit of the TRS at the TCM connector.
Is the voltage above 1 volt?

Yes→ RepairtheT3detectioncircuitoftheTRSshorttovoltage.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 14

14 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out rapid learning
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

15 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
What is the resistance of the detection circuit of T41 of the TRS from the connector of
TCM to the TRS connector.
Is the resistance above 5.0 ohms?

Yes→ RepairtheT41detectioncircuitoftheopenTRS.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 16

47
TRANSMISSION

P0706-COMPSIGNALROBBERYOFTHESWITCHER(Conti
- nuation)

TEST ACTION APAPPLICABILITY

16 Turn off the ignition by placing it in the LOCK position. All
Disconnect the TRS harness connector.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistancebetweengroundandthedetectioncircuitofT41oftheTRSintheconnector
fromtheTCM'smallet.
Is the resistance below 5.0 ohms?

Yes→ RepairtheT41detectioncircuitoftheTRSshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 17

17 Turn off the ignition by placing it in the LOCK position. Everyone

Disconnect the TRS harness connector.
DisconnecttheharnessconnectorfromtheTCM.
RemovethecontrolrelayfromthePDCtransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) fuse protected circuit and the circuit of
transmission control relay output in the control relay connector of the
PDCtransmission.
Ignition in ON position, engine stopped.
What is the voltage of the T41 detection circuit of the TRS in the harness connector of
TCM.
Is the voltage above 1 volt?

Yes→ RepairtheT41detectioncircuitoftheTRSshortedtovoltage.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 18

18 Ifnootherpossiblecausesremain,seetherepair. All

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

19 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
WhatistheresistanceofthedetectioncircuitofT42oftheTRSfromtheharnessconnector?
fromtheTCMtotheTRSharnessconnector.
Is the resistance above 5.0 ohms?

Yes→ FixtheT42detectioncircuitoftheopenTRS.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 20

48
 TRANSMISSION

P0706-COMPSIGNALROBBERYOFTHETRANSMITTER—(Continuing)

TEST ACTION APAPPLICABILITY

20 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTRS.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistancebetweengroundandthedetectioncircuitofT42oftheTRSintheconnector?
oftheTCM'smallet.
Is the resistance below 5.0 ohms?

Yes→ RepairtheT42detectioncircuitoftheTRSshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 21
21 Turn off the ignition by placing it in the LOCK position. Everyone
Disconnect the TRS harness connector.
DisconnecttheharnessconnectorfromtheTCM.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) prot. by fuse and the circuit of
control relay output of the transmission at the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
What is the voltage of the T42 detection circuit of the TRS at the TCM connector.
Is the voltage above 0.5 volts?

Yes→ RepairtheT42detectioncircuitoftheTRSinshorttovoltage.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 22
22 Iftherearenootherpossiblecauses,seetherepair. All

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Carry out VERIFICATION TEST OF THE TRANSMISSION
41TE - VAR 1.

49
TRANSMISSION

Wth
idoaouutbt:
P0715ERROR
- OFIMPULSIONSPEEDSENSOR

Mominthveerificationandconditionotfhiesstablishment:

P0715IMPULSE
- SPEEDSENSORERROR
Verification moment: The gear ratio of the transmission is monitored.
constantly while the transmission is in gear.
EstablishmentCondition:Ifthereisanexcessivechangeinthedriverpm
insomemarch.

POSSIBLECAUSES
INTERMITTENTCABLEANDCONNECTORS
OPENLOOPSPEEDSENSORSIGNALCIRCUIT
OPENSPEEDSENSORGROUNDCIRCUIT
SPEEDSENSORPULSESIGNALCIRCUITSHORTEDTOGROUND
CIRCUITOFTHESIGNALFROMTHESHORTPULSINGSPEEDSENSORTOTEN-
SION
SHORTCIRCUITOFTHESPEEDSENSOR'SGROUNDTOVOLTAGE
DRIVESPEEDSENSORERROR
TCM-DRIVESPEEDSENSOR

50
 TRANSMISSION

P0715IMPULSE
- SPEEDSENSORERROR(Conti
- nuation)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformdiagnosticswiththebatterycompletelycharged.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of 1 cycle.
NOTE:TheyhaveannouncedthatthefailuresofthefirstcyclearecompletelyaDTC.
Formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they make when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthecurrentupdatespeedlevelofthecontrolmodule.
transmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before diagnosing symptoms.

Continue
Goto 2

2 Start the engine in PARK. Everyone

Use the DRBIII to read the drive RPM.
Is the drive RPM sensor reading below 400 RPM?

Yes→ Goto 3

No→ Goto 11

3 Turn off the ignition by placing it in the LOCK position. Everyone

CAUTION: Remove the relay from the starter motor of the PDC. This will prevent
thth
eanetgn
sitarerutsnm
nan
iagrch.
Iinstalledatransmissionsimulator,Millertoolnumber8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
Ignition in ON position, engine stopped.
Use the transmission simulator to set the switch for "Speed of
Drive/Transmission in the ON position and the rotary switch in position
3000/1250
Use the DRBIII to read the drive and transmission RPM.
Is the reading of drive speed 3,000 rpm and that of speed of
transmissionof1,250rpm+/-50rpm?

Yes→ Goto 4

No→ Goto 5

NOTED : isconnectheSIMandthetransmissionlineandreconnecatl
theconnectoristooslow.

51
TRANSMISSION

P0715INPUT
- SPEEDSENSORERROR(Conti
- nuation)

TEST ACTION APAPPLICABILITY

4 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethedrivespeedsensoraccordingtothereport.
service section.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

5 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnect the harness connector from the drive speed sensor.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistanceofthecircuitofthedrivespeedsensorsignalfrom
the harness connector of the TCM to the harness connector of the speed sensor
drive.
Is the resistance above 5.0 ohms?

Yes→ Repairanopencircuitinthespeedsensorsignalcircuit
ofpropulsion.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

6 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnect the harness connector from the drive speed sensor.
NotC
e:hectkhceonnectoclre-san/repaan
irsecessary.
Whatistheresistanceofthecircuitgroundofthespeedsensorfromtheconnector?
wiringharnessfromtheTCMtotheconnectorofthedrivespeedsensor.
Is the resistance above 5.0 ohms?

Yes→ Repairthegroundcircuitoftheopenspeedsensor.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 7

7 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnect the harness connector from the speed sensor.
NotC
e:hectkhceonnectoCr-slean/repnaifeircessary.
What is the resistance between ground and the speed sensor signal circuit?
propulsion.
Is the resistance below 5.0 ohms?

Yes→ Repairthecircuitoftheimpulsespeedsensorsignal
in short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 8

52
 TRANSMISSION

P0715IMPULSE
- SPEEDSENSORERROR(Conti
- nuation)

TEST ACTION APLIABILITY

8 Turn off the ignition by placing it in the LOCK position. Everyone
Disconnect the harness connector from the drive speed sensor.
DisconnecttheharnessconnectorfromtheTCM.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) protected by fuse and the circuit of
transmission control relay output at the control relay connector
transmission.
Ignition in the ON position, engine stopped.
What is the voltage of the drive speed sensor signal circuit in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repairthecircuitofthedrivespeedsensorsignal.
in short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnect the TRS harness connector.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay at the control relay connector
transmissionofthePDC.
Ignition in the ON position, engine stopped.
Whatisthevoltageofthegroundcircuitofthespeedsensorintheharnessconnector?
TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the speed sensor ground circuit in short to

tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10
10 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III PARAFOR EFFECTING A QUICK LEARNING AND
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

11 Atthismoment,thenecessaryconditionsforestablishingtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you found any problems?

Yes→ Makethenecessaryrepairs.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

53
TRANSMISSION

Wth
idoaouutbt:
P0720-TRANSMISSIONSPEEDSENSORERROR

Mominthveerificationandconditionoefstablishment:

P0720-TRANSMISSIONSPEEDSENSORERROR
Verification time: The gear ratio of the transmission is monitored.
constantly while the transmission is in gear.
Establishment condition: If there is an excessive change in the rpm of transmission-
sessionatsomemarch.

POSSIBLECAUSES
INTERMITTENTWIRINGANDCONNECTORS
OPENTRANSMISSIONSPEEDSENSORSIGNALCIRCUIT
OPENSPEEDSENSORGROUNDCIRCUIT
TRANSMISSIONSPEEDSENSORSIGNALCIRCUITSHORTEDTOGROUND
SENSORSPEEDSIGNALCIRCUITSHORTTOTEN-
SION
GROUNDCIRCUITOFTHESPEEDSENSORSHORTTOVOLTAGE
TRANSMISSION SPEED SENSOR ERROR
TCM -TRANSMISSION SPEED SENSOR

54
 TRANSMISSION

P0720TRANSMISSION
- SPEEDSENSORERROR(Conti
- nuing)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththecompletelychargedbattery.
toavoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:The notes from cycle 1 are completely like a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTC,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they make when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofupdatingthecontrolmoduleofthe
TranslationS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithproooftfheapplicableTSBrelatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Start the engine in PARK. Everyone

Liftthedrivewheelsofftheground.
WARNING:A.PLISTEN . TOTHEVEHICLECORRECTLY.
Put the transmission in DRIVE (direct), lift your foot off the brake.
WARNING:MAKESURETOKEEPHANDSANDFEETAWAY
TWOOFTHEWHEELSTHATTURN.
NotT
e:hm
eotorizesdcooterm
substu
erninatghtpisoint.
Use the DRBIII to read the transmission RPM.
Are the transmission rpm below 100 rpm?

Yes→ Headto 3

No→ Goto 11

3 Turn off the ignition by putting it in the LOCK position. Everyone

CAUTION: Remove the relay from the starter motor of the PDC. This will prevent
thth
eanetgn
sitarerutsngnaen
iarg.
Iinstalledatransmissionsimulator,Millertoolnumber8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
Ignition in ON position, engine stopped.
Use the transmission simulator to set the switch of 'Speed of'
Drive/Transmission in the ON position and the rotary switch in the position
3000/1250
Use the DRB III to read the drive rpm and transmission rpm.
Is the impulse speed reading of 3,000 rpm and the speed of
transmissionof1,250rpm+/-50rpm?

Yes→ Headto 4

No→ Goto 5

55
TRANSMISSION

P0720TRANSMISSION
- SPEEDSENSORERROR(Conti
- nuation)

TEST ACTION APLIABILITY

4 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replace the transmission speed sensor according to the Infor-
service information.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

5 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthetransmissionspeedsensor.
NotV
e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
What is the resistance of the circuit of the transmission speed sensor signal?
from the harness connector of the TCM to the harness connector of the speed sensor
transmission.
Is the resistance above 5.0 ohms?

Yes→ Repairthecircuitofthetransmissionspeedsensorsignal.
open session.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

6 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Unplugtheharnessconnectorfromthetransmissionspeedsensor.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistanceofthecircuitgroundofthespeedsensorfromtheconnector?
harnessoftheTCMtotheharnessconnectorofthetransmissionspeedsensor.
Is the resistance above 5.0 ohms?

Yes→ Repairthegroundcircuitoftheopenspeedsensor.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 7

7 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthetransmissionspeedsensor.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
What is the resistance between ground and the speed sensor signal circuit?
broadcast.
Is the resistance below 5.0 ohms?

Yes→ Repairthecircuitofthetransmissionspeedsensorsignal.
shortsessiontomass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

56
 TRANSMISSION

P0720-TRANSMISSIONSPEEDSENSORERROR—(Continue)

TEST ACTION APAPPLICABILITY

8 Set the ignition to OFF, in the lock position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnectthetransmissionsimulator.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
ConnectajumperwirebetweentheB(+)circuitprotectedbyfuseandtheoutput.
from the transmission control relay in the control relay connector of the
transmission(inthePDC).
Ignition in ON position, engine stopped.
Whatisthevoltageofthetransmissionspeedsensorsignalcircuitinthe
TCM connector.
Is the voltage above 3.0 volts?

Yes→ Repairthecircuitofthetransmissionspeedsensorsignal.
short circuit to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Set the ignition to OFF, in the locked position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
DisconnecttheharnessconnectorfromtheTRS.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
ConnectajumperwirebetweentheB(+)circuitprotectedbyafuseandtheoutput.
from the transmission control relay in the control relay connector of the
transmission(inthePDC).
Ignition in ON position, engine stopped.
What is the voltage of the ground circuit of the speed sensor at theTCM connector.
Is the voltage above 3.0 volts?

Yes→ Repair the ground circuit of the speed sensor in short to

tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10
10 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

57
TRANSMISSION

P0725-ENGINESPEEDSENSORCIRCUIT

Mominthveerificationandconditionoefstablishment:

P0725-ENGINESPEEDSENSORCIRCUIT
Verificationmoment:Whenevertheengineisrunning.
Establishment condition: RPM below 390 or above 8,000 for more than 2
seconds with the engine running.

POSSIBLECAUSES
INTERMITTENTWIRINGANDCONNECTORCONDITIONS
OPENEATXRPMSIGNALCIRCUIT
EATXRPMSIGNALCIRCUITSHORTEDTOGROUND
EATXRPMSIGNALSHORTCIRCUITTOVOLTAGE
PCM-INTERNALCONTROLLER
TCM-INTERNALCONTROLLER

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
witp hressuraedjustetdohliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththefulychargedbattery.
n
Iistecessarytoavoidthdeiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosisoftransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of 1 cycle.
NOTE:Today I announce that the failures of 1st cycle complete with a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear shift lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they do when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkifthelevelofquickupdatingofthecontrolmoduleis
TransmissionS.omp eroblemasrceorrectedthroughupdateosthfe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrsegardingthesymptom.
Perform this procedure before diagnosing symptoms.

Continue
Goto 2

58
 TRANSMISSION

P0725-MOTORSPEEDSENSORCIRCUIT—(Continuation)

TEST ACTION APAPPLICABILITY

2 NOTE:ThiscodeisnotaDTCforpropulsionspeedsensor. Everyone
transmission.
UsetheDRBIIItochecktheSTARTCOUNTERFROMSTABLE.
BIRTH.
NOTE:ThisaccountorsolelyisapplicabletothelastestablishedDTC.
Is the STARTS FROM ESTABLISHMENTS counter at 0?

Yes→ Goto 3

No→ Goto 8

3 Set the ignition to OFF, in the lock position. Everyone

Disconnecttheharnessconnectorfromthetransmissionmechanismcontrolmodule
(PCM).
DisconnecttheharnessconnectorfromtheTCM.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthecircuitfortheRPMsignalofEATXbetweentheTCMconnector?
and the PCM connector.
Is the resistance above 5.0 ohms?

Yes→ RepairtheopencircuitintheEATXrpmsignal.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

4 Turn the ignition OFF, in the lock position. Everyone

Disconnecttheharnessconnectorfromthetransmissionmechanismcontrolmodule.
(PCM).
DisconnecttheharnessconnectorfromtheTCM.
NotV
e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
WhatistheresistancebetweentheRPMsignalcircuitofEATXandground.
Is the resistance below 5.0 ohms?

Yes→ RepairtheEATXRPMsignalcircuitshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 5

5 Set the ignition to OFF, in the locked position. Everyone

DisconnecttheharnessconnectorfromthePCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Ignition in ON position, engine stopped.
WhatisthevoltageoftheEATXRPMsignalcircuitatthePCMconnector.
Is the voltage above 10.0 volts?

Yes→ Fix a short circuit in the RPM signal circuit.

E AT X
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

59
TRANSMISSION

P0725-ENGINESPEEDSENSORCIRCUIT—(Continuation)

TEST ACTION APAPPLICATION

6 Turn off the ignition by placing it in the LOCK position. All
Disconnecttheharnessconnectorfromthetransmissionmechanismcontrolmodule
(PCM).
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Ignition in ON position, engine stopped.
WhatisthevoltagebetweentheRPMsignalcircuitofEATXandgroundintheconnector?
PCMdeck.
Is the voltage between 4.5 and 5.5 volts?

Yes→ ReplacethePCM.ReplaceandprogramthePCMmoduleof
agreement with the service information.
Carry out TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 7

7 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

8 Atthistime,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit. Move the wires while checking if
there are open or short circuits.
Checkthepowersupplyandgroundcircuitsofthecontrolmodule.
transmission.
Checkthevehicle'sbatterystatus.
Have you encountered any problems?

Yes→ Repair the wiring and/or connectors as needed.

Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

60
 TRANSMISSION

Wth
idoaouutbt:
P0731-SPEEDRELATIONERRORIN1a

Mominthveerificationandconditionoefstablishment:

P0731-SPEEDRANGEPERFORMANCEERRORIN1a
Verification moment: The gear ratio of the transmission is checked
continuously while the transmission is in gear.
Establishment condition: If the relationship of the drive rpm with respect to the
TransmissionRPMdoesnotcorrespondtothecurrentgearratio.

POSSIBLECAUSES
PRESENCEOFRELATEDDTC
INTERMITTENTGEARRELATIONERRORS
INTERNALTRANSMISSIONPROBLEM

TEST ACTION APLIABILITY

1 NOTE:Thelowliquidlevelmaybethecauseofmanyproblems. Everyone
Thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue.
Adjuth stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely
n
Iistecessarytoruloeuth td
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingdiagnosticsonthetransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of 1st cycle.
NOTE:The gn ostiqu and the fa llos of 1 cycle work as a DTC completely.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring
and the connectors. Repair as necessary.
Perform the gear shift lever position test. If the test is not passed,
consult the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they do when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedoftheupdateofthecontrolmodule.
TransmissionS.omp eroblemasrceorrectedthroughupdates.
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

61
TRANSMISSION

a
P0731SPEED
- RELATIONERRORIN1 — (Continuation)

TEST ACTION APAPPLICABILITY

2 Use the DRB III to read the transmission DTCs. Everyone
IfanyoftheseDTCsappear,firstperformtheirrespectivetests.
Do the DTCs P0944, P0715, P0720, P1794, or P0867 also appear?

Yes→ ChecktheTransmissioncategoryandperformtheappropriatesymptom.
If any of these DTCs appear, they will cause an error of
gearrelationship.IfDTCP0944appears,firstperform
yourrespectivetest.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 Use the DRBIII to perform the first gear clutch test. Follow the Everyone
DRBIII instructions.
Increase the throttle butterfly angle, TPS degrees, to 30° for no
morethanafewseconds.
CAUTION: Do not recline the transmission.
Hastheclutchtestbeenpassedandthedrivespeedremainsat
0?

Yes→ Goto 4

No→ Goto 5

4 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. All
Checktheadjustmentofthegearshiftjoint.
The gear ratio DTCs can be set due to problems in the
circuits of the propulsion and transmission speed sensors. If the vehicle
passestheclutchtestandcontinuestosetoneormorerelatedDTCs
gears,checkifthespeedsensorsareworkingproperly.
NOTE:RemovetherelayfromtheparkingmotorofthePDCT . hiswilpreventhe
sIawthemwhiletheywerestandingonamarch.
Check the wiring connection and connectors of the speed sensors.
it'sgood,next,performamovementtestusingthesimulator
fromthetransmission,Millertoolno.8333andthesetofadaptercablesfrom
FWD,MillertoolNo.8333-1.
ThisDTCcanalsobeestablishedunderextremetemperatureconditions,for
In general, it is caused by an internal problem. Ask the client if
The problem exists only under extreme conditions of heat or cold.
Have you encountered any problems?

Yes→ Makethenecessaryrepairs.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

5 Iftherearenootherpossiblecauses,lookattherepair. Everyone

Repair
Fixtheinternaltransmissionproblem.Checkeverything
the components related to submultipliers clutches
Inspection of the oil pump according to the Information.
serviceandrepairorreplaceasneeded.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

62
 TRANSMISSION

Withouytou:
RATIOERRORIN2 a
P0732SPEED
-

Mominthveerificationandconditionoefstablishment:

P0732-SPEEDRELATIONERRORIN2a
Verification moment: The gear ratio of the transmission is controlled
continuously while the transmission is in gear.
Establishment condition: If the relationship of the driving rpm with respect to the
ThetransmissionRPMdoesnotcorrespondtothegearratioinuse.

POSSIBLECAUSES
PRESENCEOFRELATEDDTC
PRESENCEOFDTCRELATEDTOPRESSURESWITCH
INTERMITTENTGEARRELATIONSHIPERRORS
INTERNALTRANSMISSIONPROBLEM

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue.
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysmakethediagnoseswiththebatterycompletely.
toavoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine's DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosisoftransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of the first cycle.
NOTE:The difficulties of the 1st cycle are completed like a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of
changer.
FortheDTCofgearratio,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomedo
they make driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedoftheupdatinglevelofthecontrolmodule.
transmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

63
TRANSMISSION

a
P0732SPEED
- RELATIONSHIPERRORIN2 — (Continuation)

TEST ACTION APApplicability

2 Use the DRB III® to read the transmission DTCs. Everyone
IfanyoftheseDTCsappear,performtheirrespectivetestsfirst.
Do the DTCs P0944, P0715, P0720, P1794, or P0867 also appear?

Yes→ ConsulttheTransmissioncategoryandcarryouttheappropriatesymptom.
If any of these DTC appears, it will cause an error of
gearrelationship.IftheDTCP0944appears,firstcarryout
theirrespectivetest.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 Use the DRBIII to perform the 2nd gear clutch test. Follow the Everyone
instructions of the DRBIII.
Increase the throttle butterfly angle, TPS degrees, to 30° for not
morethanafewseconds.
CAUTION: Do not recline the transmission.
Hastheclutchtestbeenpassedandthedrivespeedremainsat
0?

Yes→ Goto 4

No→ Headto 5

4 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. Everyone
Checktheadjustmentofthegearshiftlinkage.
The gear ratio DTCs can be set due to problems in the
circuits of the propulsion and transmission speed sensors. If the vehicle
overcomestheclutchtestandcontinuestosetoneormorerelationDTCs
gears,checkifthespeedsensorsarefunctioningcorrectly.
NOTE:RemovetherelayoftheDCmotorstarterT. hiswilpreventhe
theretheyareinamarch.
Check the wiring connection and connectors of the speed sensors
That'sgood,next,performamovementtestusingthesimulator.
fromthetransmission,Millertoolno.8333andtheadaptercablesetof
FWD,Millertoolno.8333-1.
ThisDTCcanalsobeestablishedunderextremetemperatureconditions,dueto
in general it is caused by an internal problem. Ask the client if the
The problem exists only under extreme conditions of heat or cold.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

5 Use the DRBIII to read the DTC of the transmission. Everyone

DoestheDTCP0845and/orP0846alsoappear?

Yes→ Replace the set of solenoids and pressure switches

according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

64
 TRANSMISSION

a
P0732SPEED
- RATIOERRORIN2 — (Continuation)

TEST ACTION APAPPLICATION

6 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Fixtheinternaltransmissionproblem.Checkall
the components related to sub-multipliers clutches
Check the oil pump according to the information.
forserviceandrepairorreplaceasnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

65
Transmission

RANGEPERFORMANCEERRORIN3 a
P0733SPEED
-

Mominthveerificationandconditionoefstablishment:

P0733S-PEEDRANGEPERFORMANCEPROBLEMIN3a
Verification moment: The gear ratio of the transmission is controlled
continuously while the transmission is in gear.
Establishment condition: If the relationship of the driving rpm with respect to the
TransmissionRPMdoesnotcorrespondtothecurrentgearratio.

POSSIBLECAUSES
PRESENCEOFRELATEDDTC
PRESENCEOFDTCRELATEDTOPRESSURESWITCH
Intermittentgearrelationshiperrors
INTERNALTRANSMISSIONPROBLEM

TEST ACTION APLIABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleak,continuation,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththecompletelyful battery
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingtransmissionsymptomdiagnostics.
Use the DRBIII to read the DTCs from the transmission. Record all the DTCs and
failures of the first cycle.
NOTE:The gn ostiqu that the layers of 1 cycle as a DTC completely
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTC,checkandrecordallCVIs.
MostoftheDTCsaresetatstartup,butsomedo
they drive the vehicle in a way that all the monitors have taken place
diagnosis.
NOTE:Checkifthespeedofupdatingthecontrolmoduleiscorrect
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

66
 TRANSMISSION

a
P0733SPEED
- RELATIONERRORIN3 — (Continuation)

TEST ACTION APAPPLICABILITY

2 Use the DRB III to read the transmission DTCs. Everyone
IfanyoftheseDTCsappear,firstcarryouttheirrespectivetests.
Do the DTC P0944, P0715, P0720, P1794, or P0867 also appear?

Yes→ RefertotheTransmissioncategoryandcarryouttheappropriatesymptom.
If any of these DTC appears, it will cause an error of
relationshipofgears.IftheDTCP0944appears,firstcarryout
yourrespectivetest.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 3

3 Use DRB III to perform the 3rd gear clutch test. Follow the Everyone
instructions that appear in the DRB III®.
Increase the throttle butterfly angle, TPS degrees, to 30° for no
morethanafewseconds.
CAUTION: Do not retranslate the transmission.
Hastheclutchtestbeenpassedandthepropulsionspeedremainsat
0?

Yes→ Goto 4

No→ Headto 5

4 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Checktheadjustmentofthegearshiftjoint.
The gear ratio DTCs can be set due to issues in the
circuits of the drive and transmission speed sensors. If the vehicle
overcomestheclutchtestandcontinuestoestablishoneormorerelationshipDTCs
gears,checkifthespeedsensorsareworkingcorrectly.
NOTE:RemovetherelayoftheparkingmotorofthePDCT. hiswilpreventhe
seewhaam
t esist'isnonamarch.
Check if the wiring connection and the speed sensor connectors are
Good,next,performamovementtestusingthesimulator.
fromthetransmission,MillertoolNo.8333andtheadaptercableset
FWD,Millertoolno.8333-1.
ThisDTCcanalsobeestablishedunderextremetemperatureconditions,dueto
Generally, it is caused by an internal problem. Ask the client if the
The problem exists only under extreme heat or cold conditions.
Have you found any problems?

Yes→ Repairwhatisnecessary.
Carry out TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

5 Use the DRBIII to read the transmission DTCs. Everyone

DoestheDTCP0870and/orP0871alsoappear?

Yes→ Replace the set of solenoids and pressure switches

according to the service information.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

67
TRANSMISSION

a
P0733-SPEEDRELATIONERRORIN3 — (Continuation)

TEST ACTION APLIABILITY

6 Iftherearenootherpossiblecauses,lookattherepair. Everyone

Repair
Fixtheinternaltransmissionproblem.Checkall
the components related to sub-multipliers clutches
inspection and override. Check the oil pump according to the
Service information and repair or replace as necessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

68
 TRANSMISSION

olyvY
Ioeu
es,:
RELATIONERRORIN4 a
P0734SPEED
-

cIonfirmthveerificationandconditionotfhiesstablishment:

SENSORRANGEERRORIN4 a
P0734SPEED
-
Verification moment: The gear ratio of the transmission is controlled
continuously while the transmission is in gear.
Establishment condition: If the relationship of the drive rpm with respect to the
TransmissionRPMdoesnotcorrespondtothecurrentgearratio.

POSSIBLECAUSES
PRESENCEOFRELATEDDTC
PRESENCEOFDTCRELATEDTOPRESSURESWITCH
Intermittentgearrelationshiperrors
INTERNALTRANSMISSIONPROBLEM

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue.
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletelycharged.
toavoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforecarryingoutthediagnostictestsofthetransmissionsymptoms.
Use the DRBIII to read the DTCs of the transmission. Record all the DTCs and
first cycle failures.
NOTE:TodayIamsuggestingthatthefirstcyclefailuresarecomplementedasacompleteDTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Carry out the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandlogallCVIs.
MostoftheDTCsareestablishedatstartup,butsomeofthem
they make the vehicle operate in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedoftheupdatelevelofthecontrolmodule.
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom
l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Headto 2

69
TRANSMISSION

a
P0734-SPEEDRELATIONERRORIN4 — (Continuation)

TEST ACTION APLIABILITY

2 Use the DRB III to read the DTC from the transmission control module. All
IfanyoftheseDTCsappear,firstperformtheirrespectivetests.
Do the DTCs P0944, P0715, P0720, P1794 or P0867 also appear?

Yes→ ChecktheTransmissioncategoryandperformtheappropriatesymptom.
If any of these DTC appears, they will cause an error of
gearrelationship.IftheDTCP0944appears,firstproceedto
yourrespectivetest.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 Use the DRB III to perform the 4th gear clutch test. Follow the Everyone
instructions that appear in the DRB III®.
Increase the throttle butterfly angle, TPS degrees, to 30° for no
morethanafewseconds.
CAUTION: Do not relax the transmission.
Hastheclutchtestbeenpassedandthedrivespeedremainsat
0?

Yes→ Goto 4

No→ Goto 5

4 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. All
Checktheadjustmentofthegearshiftjoint.
The gear ratio DTCs can be set due to problems in the
circuits of the drive and transmission speed sensors. If the vehicle
overcomestheclutchtestandcontinuestosetoneormorerelatedDTCs
gears,checkifthespeedsensorsareworkingcorrectly.
NOTE:RemovetherelayfromthemotorofthearrangementofthePDCT
. hiswilpreventhe
sIawhimaam
t arch.
Check the wiring connection and connectors of the speed sensors.
Itisgood,next,performamovementtestusingthesimulator.
fromthetransmission,Millertoolno.8333andthesetofadaptercablesfrom
FWD,Millertoolno.8333-1.
ThisDTCcanalsobeestablishedunderextremetemperatureconditions,because
Generally, it is caused by an internal problem. Ask the client if the
The problem exists only under extreme conditions of heat or cold.
Have you found any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

5 Use the DRBIII to read the DTCs of the transmission. Everyone

DoestheDTCP0845and/orP0846alsoappear?

Yes→ Replace the set of solenoids and pressure switches

according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 6

70
 TRANSMISSION

a
P0734SPEED
- RELATIONSHIPERRORIN4 — (Continuation)

TEST ACTION APAPPLICABILITY

6 Iftherearenootherpossiblecauses,seetherepair. Everyone

Fix
Fixtheinternaltransmissionproblem.Checkall
the components related to overdrive clutches
Inspect the oil pump according to the information of
serviceandrepairorreplaceasneeded.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

71
TRANSMISSION

Withouytou:
P0736-REVERSESPEEDSENSORRANGE/PERFORMANCEPROBLEM

Submissionandverificationotfhiesstablishment'csondition:

P0736REVERSE
- SPEEDSENSORRANGE/PERFORMANCEPROBLEM
Verification moment: The gear ratio of the transmission is controlled.
continuously while the transmission is in gear.
Establishment condition: If the relationship of the drive rpm with respect to the
TransmissionRPMdoesnotcorrespondtothecurrentgearratio.

POSSIBLECAUSES
PRESENCEOFRELATEDDTC
INTERMITTENTGEARRELATIONERRORS
INTERNALTRANSMISSIONPROBLEM

TEST ACTION APLIABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. All
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Veriftyhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysmakethediagnoseswiththecompletelyful battery
toavoidthd eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII© to read the transmission DTCs. Record all the DTCs and
failures of the 1st cycle.
NOTE:The failed subjects of the first cycle act as a complete DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordalltheCVIs.
MostoftheDTCsareestablishedduringthestartup,butsomedo
they behave when driving the vehicle in such a way that all monitors have taken place
diagnosis.
NOTE:Checkthelevelofquickupdateofthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEC : heckapplicableTSBrselatedtothesymptoms.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

72
 TRANSMISSION

P0736REVERSE
- SPEEDRELATIONERROR(Conti
- nuation)

TEST ACTION APLIABILITY

2 Use the DRB III to read the transmission DTCs. Everyone
IfanyoftheseDTCsappear,firstperformtheirrespectivetests.
Do the DTC P0944, P0715, P0720, P1794 or P0867 also appear?

Yes→ ConsulttheTransmissioncategoryandperformtheappropriatesymptom.
If any of these DTC appears, it will cause an error of
gearrelationship.IfDTCP0944appears,firstperform
yourrespectivetest.

No→ Goto 3

3 Use the DRB III to perform the reverse clutch test. Follow the Everyone
instructions that appear in the DRB III
Increase the throttle butterfly angle, TPS degrees, to 30° for not
morethanafewseconds.
CAUTION: Do not retransmit the transmission.
Hastheclutchtestbeenpassedandthedrivespeedremainsat
0?

Yes→ Goto 4

No→ Goto 5

4 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotpresent. Everyone
Checktheadjustmentofthegearshiftjoint.
The gear ratio DTCs can be established due to problems in the
circuits of the drive and transmission speed sensors. If the vehicle
passestheclutchtestandcontinuestosetoneormoreDTCsrelatedto
gears,checkifthespeedsensorsarefunctioningcorrectly.
NOTER : emovetherelayotfhestartermotorbeforeinstalingthesimulator.
thetransmission.
Check if the wiring connection and speed sensor connectors is
good,next,performamovementtestusingthesimulator
fromthetransmission,Millertoolno.8333andthesetofadaptercables
FWD,Millertoolno.8333-1.
ThisDTCcanalsobeestablishedunderextremetemperatureconditions,dueto
In general, it is caused by an internal issue. Ask the client if the
The problem exists only under extreme conditions of heat or cold.
Have you encountered any problems?

Yes→ Fixwhatisnecessary.

No→ Full test.

5 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Fixtheinternaltransmissionproblem.Checkall
the components related to the reverse clutches
and L/R. Inspect the oil pump according to the information of
serviceandrepairorreplaceasnecessary.

73
TRANSMISSION

Withouytou:
P0740-CLUTCHCONTROLCIRCUITOFTHECONVERTER-
PARPAIN

Momint,hveerificationandconditionotfhestablishment:

P0740-CLUTCHCONTROLCIRCUITOFTHETORQUECONVERTER
Verification moment: During the operation of the converter clutch
electronically modulated (EMCC).
Establishment condition:A) The transmission must be in EMCC, at a speed of
driving>1,750rpm.TheTCC/L-Rsunreachesthemaximumservicecycleandcannot
keeptheenginerpmwithin60rpmofthedrivespeed.B)Transmissionin
FEMCCandthemotorslidestheTCC>100rpmfor10seconds.

POSSIBLECAUSES
PRESENCEOFRELATEDDTC
INTERMITTENTOPERATION
INTERNALTRANSMISSIONPROBLEM-TCCOUTOFLIMIT

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. All
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue.
Checaknaddjuth stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely.
topreventh
tdeiagnostiocfaflsseymptoms.
Use the DRB III® to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingthediagnosticsymptomsofthetransmission.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE: Day gn ostiqu that the failures of cycle 1 as a DTC are completely
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear shift lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of
changer.
FortheDTCofgearratios,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomedo
they make the vehicle behave in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofupdatingthecontrolmodule.
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEV :erifytheapplicableTSBrelatedtothesymptoms.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

74
 TRANSMISSION

P0740TORQUE
- CONVERTERCLUTCHCONTROLCIRCUIT-
(Continuation)
TEST ACTION APAPPLICABILITY
2 Ignition in ON position, engine off. All
Use the DRB III® to read the transmission DTCs.
DoestheDTCP0750and/orP0841alsoappear?

Yes→ ConsulttheTransmissioncategoryandperformtheappropriatesymptom.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 3

3 Ignition in the ON position, engine stopped. Everyone

Use the DRB III to register and delete the DTC of the transmission.
Drivethevehicleuntilitiscompletelywarmeduptoatleast43°Cor
110° F.
Perform the following steps 3 times.
Use the DRB III to observe the TPS degrees.
Drivethevehicleataspeedof83km/hor50mphandallowittocouple.
the 4th gear for a minimum of 10 seconds.
Close the butterfly of the accelerator, then reopen it until the
angleofthebutterfly,TPSdegrees,shouldbebetween25and29degrees.
NOTE:Ifyourtemperatureexceeds30degreesoftheTPS,youmustclosethebutterflyagain.
in
teln
u
toeravm
aen
te.
Has the TCC adapted during any of these attempts?

Yes→ Goto 4

No→ Goto 5

4 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. Everyone
Usethewiring/schematicdiagramasaguidetoinspectthewiring
and the specific connectors of these circuits.
Move the cables while checking for open or short circuits.
ThisDTCcanalsobeestablishedunderextremetemperatureconditions,this
generallyitiscausedbyaninternalproblem.Checkiftheproblemisonly
it occurs under extreme heat or cold conditions.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

5 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Disassemble and inspect the valve body according to the Infor-
service information and repair or replace as necessary. If not
thereareproblemsinthevalvebody,replaceit
set of solenoids and pressure switches of the transmission
session. Replace the torque converter in any of the cases.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

75
TRANSMISSION

Wth
idoaouutbt:
P0750-SOLENOIDCIRCUITOFL-R

Mominthveerificationandconditionoefstablishment:

P0750-SOLENOIDCIRCUITOFL-R
Verification moment: Initially at start-up, and from then on
every 10 seconds. The solenoids will also be tested immediately after
detectagearrelationshiporpressureswitcherror.
Establishment condition: Three consecutive failures of continuity tests
solenoid, or a failure if a test is performed in response to a relationship error
gearsorpressureswitch.

POSSIBLECAUSES
PRESENCEOFDTCRELATEDTOTHERELAY
INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHETRANSMISSIONCONTROLRELAYOPEN
OPEN L/R SOLENOID CONTROLCIRCUIT
SOLENOIDCONTROLCIRCUITOFL/RSHORTTOGROUND
L/RSOLENOIDCONTROLCIRCUITINSHORTTOVOLTAGE
L/R SOLENOID
TCM - L/R SOLENOID

76
 TRANSMISSION

P0750-SOLENOIDCIRCUITOFL-R—(Continuation)

TEST ACTION APAPPLICABILITY

1 NOTE:Lowliquidlevelscanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleak,continue,
Veriftyhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely.
topreventh td eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsymptomsofthetransmission.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:The days of the first cycle act completely as a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordalltheCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they affect the operation of the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofupdateofthecontrolmoduleofthe
translationS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithrespectotheapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Ignition in the ON position, engine stopped. All

Use the DRB III to read the DTC from the transmission control module.
Are there any DTC P0890, P0891 or P0888 related to the control relay of the
transmission?

Yes→ Checkthelistofsymptomsandperformtheappropriatesymptomfor
DTCsrelatedtothetransmissioncontrolrelay.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 UsetheDRBIIItochecktheSTARTSFROMSTABLEcounter. Everyone
BIRTHforP0750.
NOTE:ThisaccountingsolelyappliestothelastestablishedDTC.
Is the counter of STARTS FROM ESTABLISHMENTS FOR P0750 in
0?

Yes→ Goto 4

No→ Goto 11

77
TRANSMISSION

P0750-SOLENOIDCIRCUITL-R—(Continuation)

TEST ACTION APAPPLICABILITY

4 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the relay from the motor of the starter of the PDC. This will prevent
thth
eanestagm
sn
iratn
eid
arch.
Iinstalledatransmissionsimulator,Millertoolnumber8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
On switch in ON position, engine stopped.
Use the DRB III to activate the L/R solenoid.
Withthetransmissionsimulator,observetheLEDoftheL/Rsolenoid.
DoestheLEDoftheL/Rsolenoidflashinthetransmissionsimulatorwhenitturnson?
Doesitturnoffduringoperation?

Yes→ Headto 5

No→ Goto 6

5 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethesetofsolenoidsandpressureswitchesof
the transmission according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

6 Turn off the ignition by placing it in the LOCK position. Everyone

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethecontrolrelayfromthePDCtransmission.
NotV e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
outputofthetransmissioncontrolrelayattheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The proof light must illuminate with intensity. Compare this.
In
ted
aisnitir,ectonnection tohbeattery.
Doesthetestlightturnonwithintensity?

Yes→ Headto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit.
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
What is the resistance of the solenoid control circuit L/R from the connector of
harness of the TCM to the harness connector of the solenoid and switch assembly
transmissionpressure.
Is the resistance above 5.0 ohms?

Yes→ RepairanopeninthecontrolcircuitoftheL/Rsolenoid.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 8

78
 TRANSMISSION

P0750-SOLENOIDCIRCUITL-R(Conti
- nuing)

TEST ACTION APAPPLICABILITY

8 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
WhatistheresistancebetweengroundandthecontrolcircuitofthesolenoidofL/R.
Is the resistance below 5.0 ohms?

Yes→ RepairthecontrolcircuitofthesolenoidofL/Rshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 9

9 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit protection by fuse and the circuit of
output of the transmission control relay in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
WhatisthevoltageofthecontrolcircuitofthesolenoidofL/Rintheharnessconnectorof
TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the control circuit of the L/R solenoid short to

tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10
10 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you found any problems?

Yes→ Repairwhatisnecessary.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

79
TRANSMISSION

Yetas,kite.
P0755-SOLENOIDCIRCUIT2/4

Mominthveerificationandconditionoefstablishment:

P0755-SOLEDAINCIRCUIT2/4
Verification moment: Initially at startup, and from then on
every 10 seconds. The solenoids will also be tested immediately after
agearrelationshiporpressureswitcherrorisdetected.
Establishment condition: Three consecutive failures of continuity tests of
solenoid, or a failure if a test is performed in response to a relationship error
gearorpressureswitch.

POSSIBLECAUSES
PRESENCEOFDTCRELATEDTOTHERELAY
DEF.INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHETRANSMISSIONCONTROLRELAYOPEN
2/4OPENSOLENOIDCONTROLCIRCUIT
CONTROLCIRCUITOFTHE2/4SOLENOIDSHORTEDTOGROUND
CONTROLCIRCUITOFTHE2/4SOLENOIDSHORTATVOLTAGE
2/4 SOLENOID
TCM - 2/4 SOLENOID

80
 TRANSMISSION

P0755-SOLENOIDCIRCUIT2/4—(Continuation)

TEST ACTION APApplicability

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue.
Checaknaddjuth stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely.
toavoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosisoftransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of the 1st cycle.
NOTE:The days are just like the faults of 1 cycle as a DTC completely
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Carry out the gear lever position test. If the test is not passed,
Check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomeofthem
they behave when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkiftheupdatespeedlevelofthecontrolmoduleis
TranslationS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEV :erifyapplicableTSBrelatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Headto 2

2 Use the DRB III to read the DTC from the transmission control module. Everyone
Is there a DTC P0890, P0891 or P0888 related to the control relay of the
transmission?

Yes→ Consultthelistofsymptomsandperformtheappropriatesymptomfor
DTCrelatedtothetransmissioncontrolrelay.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 3

3 UsetheDRBIIItochecktheSTARTSFROMSTANDSTILLcounter. Everyone
CHILDBIRTH.
NOTE:ThisdisclaimerisapplicableonlytothelastestablishedDTC.
Is the START COUNT FROM ESTABLISHMENTS FOR P0755 in
0?

Yes→ Goto 4

No→ Headto 11

81
TRANSMISSION

P0755-SOLENOIDCIRCUIT2/4—(Continuation)

TEST ACTION APLIABILITY

4 Turn off the ignition by placing it in the LOCK position. All
CAUTION: Remove the relay from the starting motor of the PDC. This will prevent
thth
eanetgn
sitarerutsngnaen
iarg.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
Ignition in ON position, engine stopped.
Use the DRBIII to activate the 2/4 solenoid.
Withthetransmissionsimulator,observetheLEDofthe2/4solenoid.
Has the 2/4 solenoid LED blinked in the transmission simulator?
turningonandoffduringoperation?

Yes→ Goto 5

No→ Goto 6

5 Iftherearenootherpossiblereasons,lookattherepair. Everyone

Repair
Replacethesetofsolenoidsandpressureswitches.
the transmission according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

6 Turn off the ignition by placing it in the LOCK position. All

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly
ofthetransmission.
RemovethecontrolrelayofthePDCtransmission.
NotV e:eriftyhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit at the fuse and the circuit of
output of the transmission control relay in the control relay connector of the
PDCtransmission.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
controlrelayoutputfromthetransmissionintheharnessconnectoroftheassembly
solenoidsandpressureswitchesofthetransmission.
NOTE:The test light must be illuminated with intensity. Compare that
in
ten
sidasndistributw eitsith
d
airectonnection tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit.
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
NotCe:hectkhceonnectioC
n-slean/repaan
irsecessary.
What is the resistance of the control circuit of the 2/4 solenoid from the connector of
wiring harness of theTCM to the wiring harness of the solenoid and switch assembly
transmissionpressure.
Is the resistance above 5.0 ohms?

Yes→ Repairtheopeninthecontrolcircuitofthe2/4solenoid.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

82
 TRANSMISSION

P0755-SOLENOIDCIRCUIT2/4—(Continuation)

TEST ACTION APAPPLICABILITY

8 Turn off the ignition by placing it in the LOCK position. All
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repnaifeircessary.
Whatistheresistancebetweengroundandthecontrolcircuitofthesolenoidof2/4.
Is the resistance below 5.0 ohms?

Yes→ Repairthecontrolcircuitofthe2/4solenoidshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotV
e:eriftyhceonnectoclre-san/repnaifeircessary.
Connect a bridge cable between the B(+) circuit of the fuse and the circuit of
transmission control relay output in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
Whatisthevoltageofthecontrolcircuitofthe2/4solenoidattheharnessconnectorofthe
TCM.
Is the voltage above 0.5 volts?

Yes→ Repairthecontrolcircuitofthe2/4solenoidshortedtovoltage.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 10
10 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforanyopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

83
TRANSMISSION

Wth
idoaouutbt:
P0760-SOLENOIDCIRCUITOFOD

Momivserifyingandconditioningthiesstablishment:

P0760-SOLENOIDCIRCUITOFOD
Verification moment: Initially at startup, and thereafter
every 10 seconds. The solenoids will also be tested immediately after
agearrelationshiporpressureswitcherrorisdetected.
Establishment condition: Three consecutive failures of continuity tests for
solenoid, or a failure if a test is performed in response to a relationship error
gearsorpressureswitch.

POSSIBLECAUSES
PRESENCEOFDTCRELATEDTOTHERELAY
INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHECONTROLRELAYOFTHEOPENTRANSMISSION
OPENODSOLENOIDCONTROLCIRCUIT
SOLENOIDCONTROLCIRCUITFORODSHORTEDTOGROUND
SOLENOIDCONTROLCIRCUITOFODINSHORTTOVOLTAGE
O/D solenoid
TCM-ODSOLENOID

84
 TRANSMISSION

P0760-SOLENOIDCIRCUITOFOD—(Continuing)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Chectkhliqeuildevaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely.
d
Iistonteoavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of the first cycle.
NOTE:They note that the failures of cycle 1 act as a completely DTC.
formados.
Usingthewiringschematic/diagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandlogallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo.
they make it so that all the monitors have taken place while driving the vehicle
diagnosis.
NOTE:Checkthespeedofthemodulecontrolupdate
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithappropriateTSBapplicablerelatingtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRB III to read the DTCs from the transmission control module. Everyone
Does any DTC P0888, P0890 or P0891 related to the control relay appear?
transmission?

Yes→ ConsulttheTransmissioncategoryandperformtheappropriatesymptom.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 UsetheDRBIIItochecktheSTARTSCOUNTERFROMSTABLE. Everyone
CEMENTforP0760.
NOTE:ThiscondoronlyappliestothelastestablishedDTC.
Is the STARTS FROM ESTABLISHMENTS counter for P0760 in
0?

Yes→ Goto 4

No→ Goto 11

85
TRANSMISSION

P0760-SOLENOIDCIRCUITOFOD—(Continuing)

TEST ACTION APApplicability

4 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the motor relay from the PDC. This will prevent
thth
m
aetostoarrutsnm
nan
iagrch.
Iinstalledatransmissionsimulator,Millertoolnumber8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
Ignition on position ON, engine stopped.
Withthetransmissionsimulator,observetheODsolenoidLED.
Use the DRB III to activate the OD solenoid.
DoestheLEDoftheO/Dsolenoidflashinthetransmissionsimulator?
Doesitturnoffduringoperation?

Yes→ Goto 5

No→ Headto 6

5 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethesetofsolenoidsandpressureswitchesof
the transmission according to the service Information.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

6 Turn off the ignition by placing it in the LOCK position. Everyone

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethecontrolrelayfromthePDCtransmission.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit protected by fuse and the circuit of
transmission control relay output in the control relay connector of the
PDCtransmission.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
controlrelayoutputofthetransmissionintheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The test light must illuminate with intensity. Compare it.
In
teny,ou
arteoakw
iteith
d
airectonnectiontohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
NotCe:hectkhceonnectioC
n-slean/repaan
irsecessary.
What is the resistance of the control circuit of the OD solenoid from the connector of
harness of the TCM to the harness connector of the solenoid and switch assembly
transmissionpressure.
Is the resistance above 5.0 ohms?

Yes→ RepairtheopeninthecontrolcircuitoftheO/Dsolenoid.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

86
 TRANSMISSION

P0760-SOLENOIDCIRCUITOFOD(Conti
- nuation)

TEST ACTION APAPPLICABILITY

8 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistancebetweengroundandthecontrolcircuitoftheO/Dsolenoid.
Is the resistance below 5.0 ohms?

Yes→ RepairthesolenoidcontrolcircuitofO/Dshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
WhatisthevoltageofthecontrolcircuitoftheO/Dsolenoidintheharnessconnectorof
TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the control circuit of the solenoid of O/D in short to

tension.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10
10 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a rapid learning
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforanyopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

87
TRANSMISSION

Wth
idoaouutbt:
P0765-SOLENOIDCIRCUITOFUD

Mominyouvrerificationandconditionoefstablishment:

P0765-SOLENOIDCIRCUITOFUD
Verification moment: Initially at startup, and from then on
every 10 seconds. The solenoids will also be tested immediately afterwards.
detectagearrelationshiperrororapressureswitcherror.
Establishment condition: Three consecutive failures of continuity tests of
solenoid, or a failure if a test is performed in response to a relationship error of
gearsorpressureswitch.

POSSIBLECAUSES
PRESENCEOFDTCRELATEDTOTHERELAY
DEF.INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHERELAYOFTHEOPENTRANSMISSION
OPENUDSOLENOIDCONTROLCIRCUIT
SOLOIDCONTROLCIRCUITOFUDINSHORTTOGROUND
SOLENOIDCONTROLCIRCUITOFUDSHORTEDTOVOLTAGE
UDSOLENOID
TCM-UDSOLENOID

88
 TRANSMISSION

P0765-SOLENOIDCIRCUITOFUD—(Continuing)

TEST ACTION APLIABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue.
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforemakingthediagnosticsoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of 1 cycle.
NOTE:The notes of the 1st cycle are completed as a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratio,checkandrecordallCVI.
MostDTCsareestablishedatstartup,butsomedo
They do so by driving the vehicle in a way that all the monitors have taken place.
diagnosis.
NOTE:Checkifthespeedoftheupdateofthecontrolmoduleiscorrect.
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithregardtotheapplicableTSBr,elatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRB III to read the DTCs from the transmission control module. Everyone
Does any DTC P0890, P0891, or P0888 related to the control relay appear?
transmission?

Yes→ ChecktheTransmissioncategoryandperformtheappropriatesymptom.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 UsetheDRBIIItochecktheSTARTSFROMIDLEcounter. Everyone
Fertilization.
NOTE:ThiscondenseronlyappliestothelastestablishedDTC.
Is the STARTS FROM ESTABLISHMENT counter displayed for the
P0765in0?

Yes→ Goto 4

No→ Goto 11

89
Transmission

P0765-SOLENOIDCIRCUITOFUD—(Continuing)

TEST ACTION APAPPLICABILITY

4 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the starter relay from the motor of the PDC. This will prevent
thth
eanestagsn
iraetn
aeid
r.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthesetof
FWD adapter cables, Miller tool No. 8333-1.
Ignition in ON position, engine stopped.
Use the DRB III to activate the UD solenoid.
Withthetransmissionsimulator,observetheLEDoftheUDsolenoid.
DoestheLEDofthesolenoidofUDblinkinthetransmissionsimulatorwhenturnedon?
Doesitturnoffduringoperation?

Yes→ Goto 5

No→ Goto 6

5 Ifnootherpossiblecausesremain,seetherepair. Everyone

Repair
Replacethesetofsolenoidsandpressureswitchesof
the transmission according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

6 Turn off the ignition by placing it in the LOCK position. All

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC e:hectkhceonnectoCr-slean/repaanirsecessary.
Connect a jumper cable between the circuit B(+) protection by fuse and the circuit of
output of the transmission control relay at the control relay connector
PDCtransmission.
Ignition in the ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
outputofthetransmissioncontrolrelayintheharnessconnectoroftheassembly
solenoidsandpressureswitchesofthetransmission.
NOTE:The test light must be illuminated with intensity. Compare this
In
ten
sideotshflieghw
tith
thdeirectonnectiontohbeattery.
Doesthetestlightturnonwithintensity?

Yes→ Goto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
What is the resistance of the solenoid control circuit of UD from the connector of
wiringharnessoftheTCMtotheconnectorofthewiringharnessofthesolenoidsandswitches
transmissionpressure.
Is the resistance above 5.0 ohms?

Yes→ FixtheopeninthecontrolcircuitoftheUDsolenoid.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

90
 TRANSMISSION

P0765-SOLOIDCIRCUITOFUD—(Continuation)

TEST ACTION APLIABILITY

8 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistancebetweengroundandthecontrolcircuitofthesolenoidofUD.
Is the resistance below 5.0 ohms?

Yes→ RepairthecontrolcircuitofthesolenoidforUDshortedtoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
ConnectajumperwirebetweentheB(+)protectedcircuitbyfuseandthecircuitof
transmission control relay output in the control relay connector of the
transmissionofthePDC.
Ignition in ON position, engine stopped.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
WhatisthevoltageofthecontrolcircuitofthesolenoidofUDintheharnessconnector?
TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the control circuit of the solenoid of UD in short to

tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10
10 Iftherearenootherpossiblecauses,checktherepair. All

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to make a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

91
 TRANSMISSION

un
dd
on
etars'Ind:

P0841SWITCH
- DETECTIONCIRCUITOFPRE-
SIONOFLR

Mominthveerificationandestablishmenctondition:

P0841PRESSURE
- SWITCHDETECTIONCIRCUITOFLR
Verificationmoment:Whenevertheengineisrunning.
Establishmentcondition:TheappropriateDTCisestablishedifoneoftheswitches
Thepressureisopenorclosedwhenitshouldn'tbeinagivengear.

POSSIBLECAUSES
PRESENCEOFDTCP0944OFPRIMINGLOSS
PresenceoftransmissioncontrolrelayDTC
TCMAND WIRING - PRESSURE SWITCH OF L/R
INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHERELAYOFTHEOPENTRANSMISSION
DETECTIONCIRCUITOFOPENL/RPRESSURESWITCH
DETECTIONCIRCUITOFTHEPRESSURESWITCHL/RSHORTEDTOGROUND
DETECTIONCIRCUITOFTHEL/RPRESSURESWITCHSHORTTOVOLTAGE
TCM-PRESSURESWITCHDETECTIONCIRCUITL/R

92
 TRANSMISSION

P0841PRESSURE
- SWITCHDETECTIONCIRCUITOFLR-
(Continuation)
TEST ACTION APApplicability
1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
Thetransmission.Ifthelevelislow,locateandrepairtheleak,continuation,
Withperopelrvoliq
efluiadccordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and fix all DTCs.
oftheenginebeforecarryingoutthediagnosticsymptomsofthetransmission.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of 1 cycle.
NOTE:They are completely filled out as a DTC where the failures of cycle 1 are.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratio,checkandrecordallCVI.
MostDTCsareestablishedatstartup,butsomedo
they drive the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofthemodulecontrolupdate
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRBIII to check if there are other DTCs for the transmission. All
DoestheDTCP0944alsoappear?

Yes→ ConsulttheTransmissioncategoryandcarryouttheappropriatesymptom.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 Use the DRB III to read the transmission DTCs. All

Is there any DTC P0888, P0890, or P0891 related to the control relay of the
transmission?

Yes→ Consultthelistofsymptomsandcarryouttheappropriatetestforthe
DTCrelatedtothetransmissionrelay.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

4 UsetheDRBIIItochecktheSTARTSFROMSTABLEcounter. Everyone
CEMENTforP0841.
NOTE:ThisdisclaimeronlyappliestothelatestestablishedDTC.
Is the START COUNTER FROM ESTABLISHMENT at 2 or less?

Yes→ Headto 5

No→ Goto 11

93
TRANSMISSION

P0841PRESSURE
- SWITCHDETECTIONCIRCUITOFLR-
(Continuation)
TEST ACTION APAPPLICABILITY
5 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the relay from the starter motor of the PDC. This will prevent
thth
eanetgn
sitarerutsngnaen
iarg.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthegameof
FWD adapter cables, Miller tool no. 8333-1.
NotC e:hectkhceonnectoCr-slean/repnaifeircessary.
Ignition in ON position, engine off.
SelectL/Ronthepressureswitchselectorswitchofthesimulator.
thetransmission.
Use the DRB III to check the status of the L/R pressure switch.
whileholdingdownthepressureswitchtestbuttononthesimulatorofthe
transmission.
Has the status of the pressure switch changed from OPEN to CLOSED?
pressthetestbutton?

Yes→ Replacethesetofsolenoidsandpressureswitchesof
the transmission according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

6 Turn off the ignition by placing it in the LOCK position. All

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethecontrolrelayofthePDCtransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a bridge cable between the circuit B(+) protected by fuse and the circuit of
output of the transmission control relay in the relay control connector
transmissionofthePDC.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
outputofthetransmissioncontrolrelayattheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The proof light must illuminate with intensity. Compare this.
In
such
w
aatyhciasiottnnectedirectltyohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Headto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit
ofthetransmissioncontrol.Ifthefuseisopen,makesure
tocheckifthereisashortcircuit.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

94
 TRANSMISSION

P0841PRESSURE
- SWITCHDETECTIONCIRCUITOFLR-
(Continued)
TEST ACTION APAPPLICABILITY
7 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthedetectioncircuitofthepressureswitchfromL/Rsince
the harness connector from the TCM to the harness connector of the solenoid assembly and
transmission pressure switches.
Is the resistance above 5.0 ohms?

Yes→ Repair the open in the switch detection circuit of

L/R pressure.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 8

8 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit?
fromL/Rintheharnessconnectorofthesolenoidandpressureswitchassembly
ofthetransmission.
Is the resistance below 5.0 ohms?

Yes→ Repair the pressure switch circuit of L/R in short to

dough.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 9

9 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
What is the voltage of the pressure switch detection circuit of L/R in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the pressure switch detection circuit of L/R

in short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 10

95
TRANSMISSION

P0841PRESSURE
- SWITCHDETECTIONCIRCUITOFLR-
(Continuation)
TEST ACTION APAPPLICABILITY
10 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a rapid learning
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforanyopenorshortcircuits.
Have you encountered any issues?

Yes→ Fixwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

96
 TRANSMISSION

Wth
idoaouutbt:
P0845-HYDAULICPRESSURETESTFAILUREOF2/4

Mominverificationandconditionoefstablishment:

P0845-HYDRAULICPRESSURETESTFAILUREOF2/4
Verificationmoment:Inanyforwardmarchwiththemotorspeedby
above1,000rpmshortlyafterachangeandeveryminutethereafter.
Establishment condition: After shifting to a forward gear, with the
motorspeed>1,000rpm,theTCMmomentarilyactivatesthepressureofelements
to the clutch circuits that do not have pressure to identify if the switch of
correctpressurecloses.Ifthepressureswitchdoesnotclose2times,itissetto
code.

POSSIBLECAUSES
PRESENCEOFDTCP0944FORLOSSOFPRIMING
PRESENCEOFRELATEDDTC
INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHECONTROLRELAYOFTHETRANSMISSIONOPEN
DETECTIONCIRCUITOFTHE2/4OPENPRESSURESWITCH
DETECTIONCIRCUITOFTHEPRESSURESWITCH2/4SHORTEDTOGROUND
DETECTIONCIRCUITOFTHE2/4PRESSURESWITCHSHORTEDTOVOLTAGE
INTERNALTOTHETRANSMISSION
TCM-HYDRAULICPRESSUREOF2/4

97
TRANSMISSION

P0845-HYDRAULICPRESSURETESTFAILUREOF2/4—(Continuation)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. All
thetransmission.Ifthelevelislow,localizeandrepairtheleak,continuing,
Checaknaddjuth stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththecompletebattery.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of 1 cycle.
NOTE:The first cycle failures are completed as a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
Check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostDTCsareestablishedatstartup,butsomedo
they make it so that all the monitors have taken place while driving the vehicle.
diagnosis.
NOTE:Checkthespeedofupdatingthecontrolmoduleofthe
transmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRB III to check if there are any other transmission DTCs. Everyone
DoestheDTCP0944alsoappear?

Yes→ ChecktheTransmissioncategoryandperformtheappropriatesymptom.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 Use the DRBIII to read the transmission DTCs. Everyone

Do the DTCs P0732, P0734, and/or P0846 also appear?

Yes→ Fixtheinternaltransmissionissueasnecessary.
Consult the service information to learn about the procedure.
appropriate repair maintenance for related components
withtheODclutch.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

4 UsetheDRBIIItochecktheSTARTSFROMSTABLEcounter. Everyone
CEMENTforP0845.
NOTE:ThisaccountantsolelyappliestothelastestablishedDTC.
Is the STARTS FROM ESTABLISHMENT counter at 2 or less?

Yes→ Headto 5

No→ Headto 12

98
 TRANSMISSION

P0845-HYDRAULICPRESSURETESTFAILUREOF2/4—(Continuation)

TEST ACTION APAPPLICABILITY

5 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the throttle from the starting motor of the PDC. This will prevent
thth
eanestagsn
iraetn
aeid
r.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Ignition in the ON position, engine stopped.
With the transmission simulator, select 2/4 on the rotary switch.
pressure switches.
Use the DRB III to observe the status of the pressure switch 2/4.
whilepressingthepressureswitchtestbuttononthesimulatorofthe
transmission.
MovethewiringthatgoestotheTCMwhilepressingthebutton.
Has the pressure switch state changed from 2-4 to closed and has it been maintained?
closedwhilethecablesweremoving?

Yes→ Goto 6

No→ Goto 7

6 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Disassemble and inspect the valve body according to the Infor-
service information and repair or replace as needed. If not
thereareproblemsinthevalvebody,replaceit
set of solenoids and pressure switches of the transmission
session according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Turn off the ignition by placing it in the LOCK position. Everyone

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotV
e:eriftyhceonnectoclre-san/repnaifeircessary.
Connect a jumper cable between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay at the control relay connector
transmissionofthePDC.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
controlrelayoutputofthetransmissionontheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The test light must be illuminated with intensity. Compare this.
in
ten
sid
alw
u
ezith
d
airectonnection
tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Headto 8

No→ Repairanopenorhighresistanceintherelayoutputcircuit.
oftransmissioncontrol.Ifthefuseisopen,makesure
tocheckifthereisashorttoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

99
TRANSMISSION

P0845-HYDRAULICPRESSURETESTFAILUREOF2/4—(Continuation)

TEST ACTION APLIABILITY

8 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
NotV
e:eriftyhceonnecC
to-rlean/repaan
irsecessary.
Whatistheresistanceofthedetectioncircuitofthe2/4pressureswitch?
the harness connector from the TCM to the harness connector of the solenoid assembly and
transmission pressure switches.
Is the resistance above 5.0 ohms?

Yes→ Repair an open in the switch detection circuit.

pressure of 2/4.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit?
of 2/4.
Is the resistance below 5.0 ohms?

Yes→ Repairthedetectioncircuitofthepressureswitch2/4in
short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10

10 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit protected by a fuse and the circuit of
transmission control relay output in the control relay connector
transmissionofthePDC.
Ignition in the ON position, engine off.
What is the voltage of the pressure switch detection circuit of 2/4 in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repairthecircuitforthepressureswitchdetectionof2/4in
short to tension.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 11

100
 TRANSMISSION

P0845-HYDRAULICPRESSURETESTFAILUREOF2/4—(Continuation)

TEST ACTION APAPPLICABILITY

11 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to achieve rapid learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

12 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotbeingmet. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any issues?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

101
TRANSMISSION

Withountoise:
P0846-SWITCHDETECTIONCIRCUITOFPRE-
SIONOF2/4

Mominthveerificationandconditionoefstablishment:

P0846SWITCH
- PRESSUREDETECTIONCIRCUITOF2/4
Verificationmoment:Whenevertheengineisrunning.
Establishmentcondition:TheappropriateDTCisestablishedifoneoftheswitches
Thepressureisopenorclosedwhenitshouldn'tbeinagivengear.

POSSIBLECAUSES
PRESENCEOFTRANSMISSIONRELAYDTC
INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHEOPENTRANSMISSIONRELAY
DETECTIONCIRCUITOFTHEOPEN2/4PRESSURESWITCH
DETECTIONCIRCUITOFTHE2/4PRESSURESWITCHSHORTEDTOGROUND
CIRCUITFORDETECTINGTHEPRESSURESWITCHOF2/4INSHORTTOVOLTAGE
2/4 Pressure Switch
TCM - 2/4 Pressure Switch Circuit

102
 TRANSMISSION

P0846-CIRCUITFORDETECTINGPRESSURESWITCH2/4—
(Continuation)
TEST ACTION APAPPLICABILITY
1 NOTE:Thelowliquidlevelmaybethecauseofmanyproblemsof Everyone
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue.
Checaknaddjuth stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththecompletelyful battery
m
isit eantoatvoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE: Since they complete the failures of 1 cycle like a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTC,checkandrecordallCVIs.
MostDTCsareestablishedatstartup,butsomedo.
They conduct the vehicle in such a way that all the monitors have taken place.
diagnosis.
NOTE:Checkthelevelofrapidupdateofthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithregardtotheapplicableTSBr,elatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Headto 2

2 Use the DRB III to read the transmission DTCs. Everyone

Does any DTC P0890, P0891, or P0888 related to the control relay appear?
transmission?

Yes→ ChecktheTransmissioncategoryandperformtheappropriatesymptom.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 3

3 UsetheDRBIIItochecktheSTARTCOUNTERFROMSTABLE- Everyone
BIRTH.
NOTE:ThisstatementissolelyapplicabletothelastestablishedDTC.
The START COUNTER FROM ESTABLISHMENT for P0846 is at 2
omenos?

Yes→ Goto 4

No→ Goto 11

103
TRANSMISSION

P0846-CIRCUITFORPRESSURESWITCHDETECTIONOF2/4—
(Continuación)
TEST ACTION APAPPLICABILITY
4 Turn off the ignition by placing it in the LOCK position. All
CAUTION: Remove the relay from the starter motor of the PDC. This will prevent
thth
eanestagm
sn
iratn
eid
arch.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Ignition in the ON position, engine stopped.
With the transmission simulator, select 2/4 on the selector switch.
pressure switches.
Use the DRB III to observe the status of the 2/4 pressure switch
whilepressingthepressureswitchtestbuttononthesimulatorofthe
transmission.
Has the status of the pressure switch changed from OPEN to CLOSED at
pressthetestbutton?

Yes→ Goto 5

No→ Goto 6

5 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethesetofsolenoidsandpressureswitchesof
the transmission according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

6 Turn off the ignition by placing it in the LOCK position. All

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethecontrolrelayfromthePDCtransmission.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit protected by a fuse and the circuit of
transmission control relay output in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
ofthetransmissioncontrolrelayoutputintheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The test light must illuminate with intensity. Compare this.
in
ten
sid
alw
u
ezith
d
airectonnection tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Headto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit.
forcontrollingthetransmission.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

104
 TRANSMISSION

P0846-CIRCUITFORDETECTIONOFPRESSURESWITCHP2/4—
(Continued)
TEST ACTION APAPPLICABILITY
7 Turn off the ignition by placing it in the LOCK position. All
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistanceofthedetectioncircuitofthe2/4pressureswitch?
the harness connector of the TCM to the harness connector of the solenoid assembly and
transmission pressure switches.
Is the resistance above 5.0 ohms?

Yes→ Repair an open in the switch detection circuit of

pressure of 2/4.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

8 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit?
of 2/4.
Is the resistance below 5.0 ohms?

Yes→ Repairthepressureswitchdetectioncircuitof2/4in
short to mass.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) prot. by fuse and the circuit of
transmission control relay output in the control relay connector
transmissionofthePDC.
Ignition in ON position, engine stopped.
What is the voltage of the pressure switch detection circuit 2/4 in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repairthepressureswitchdetectioncircuitof2/4in
short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10

105
TRANSMISSION

P0846-CIRCUITFORDETECTINGPRESSURESWITCHP2/4—
(Continuation)
TEST ACTION APAPPLICABILITY
10 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

106
 TRANSMISSION

Wth
idoaouutbt:
P0870-HYDRAULICPRESSURETESTFAILUREOFOD

aImverifyingthestablishmenctonditionasndterms:

P0870-HYDRAULICPRESSURETESTFAILUREOFOD
Momentofverification:Inanyforwardmarchwiththespeedofthemotorby
above1,000rpmshortlyafterashiftandeveryminutethereafter.
Condition of establishment: After a shift to a forward gear, with the
motor speed above 1,000 rpm, the TCM momentarily activates the
pressureofelementsfortheclutchcircuitsthatdonothavepressuretoidentify
iftheappropriatepressureswitchcloses.Ifthepressureswitchdoesnotclose
twice, the code is set.

POSSIBLECAUSES
PRESENCEOFDTCP0944FORLOSSOFPRIMING
PRESENCEOFRELATEDDTCs
DEF.INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHECONTROLRELAYOFTHEOPENTRANSMISSION
OPEN OD PRESSURE SWITCH DETECTION CIRCUIT
PRESSURESWITCHDETECTIONCIRCUITFORODSHORTEDTOGROUND
DETECTIONCIRCUITOFTHEPRESSURESWITCHOFODINSHORTTOVOLTAGE
INTERNALTOTHETRANSMISSION
TCM-HYDRAULICTESTFAILUREOFO/D

107
TRANSMISSION

P0870-HYDRAULICPRESSURETESTFAILUREOFOD—(Continuation)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue,
Pleasaedjuth
stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingthetransmissionsymptomdiagnostics.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of 1st cycle.
NOTE:Today I note that the failures of the first cycle act as a DTC completely.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearrelationshipDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they make while driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofthemodulecontrolupdate.
TranslationS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithregardtoapplicableTSBrelatedtothesymptom.
Carry out this procedure before diagnosing symptoms.

Continue
Goto 2

2 Use the DRB III to check if there are any other transmission DTCs. Everyone
DoestheDTCP0944alsoappear?

Yes→ ConsulttheTransmissioncategoryandcarryouttheappropriatesymptom.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 3

3 Use the DRBIII® to read the transmission DTCs. Everyone

DoestheDTCP0733and/orP0871alsoappear?

Yes→ Replacethetransmissionorthesolenoidassemblyandswitch.
pressure pains according to service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

4 UsetheDRBIIItochecktheSTARTCOUNTERFROMSTABLE- Everyone
CEMENTforP0870.
NOTE:ThisindicatorisonlyapplicabletothelastestablishedDTC.
Is the counter of STARTS FROM ESTABLISHMENT at 2 or less?

Yes→ Goto 5

No→ Goto 12

108
 TRANSMISSION

P0870-HYDRAULICPRESSURETESTFAILUREOFOD—(Continuation)

TEST ACTION APLIABILITY

5 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the motor relay from the starting PDC. This will prevent
thth
eanetgn
sitarerutsnnn
iw
gn
ih
eaelir.
Iinstalledatransmissionsimulator,Millertoolnumber8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
With the transmission simulator, select OD on the rotary switch.
pressure switches.
Use the DRB III to observe the status of the OD pressure switch.
whilepressingthepressureswitchtestbuttononthesimulatorofthe
transmission.
MovethecablesthatgototheTCMwhilepressingthebutton.
Has the status of the O/D pressure switch changed to closed and has it
keptclosedwhilethecableswerebeingmoved?

Yes→ Goto 6

No→ Goto 7

6 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Disassemble and inspect the valve body according to the Information
service information and repair or replace as needed. If not
thereareproblemsinthevalvebody,replaceit
set of solenoids and pressure switches of the transmission
session according to the service information.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Turn off the ignition by placing it in the LOCK position. Everyone

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethecontrolrelayfromthePDCtransmission.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) protected by fuse and the circuit of
control relay output from the transmission in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
outputofthetransmissioncontrolrelayintheharnessconnectoroftheset
solenoidsandpressureswitches.
NOTE:The test light must be turned on with intensity. Compare that
in
ten
sid
alw
u
ezith
d
airectonnection tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 8

No→ Repairanopenorhighresistanceintherelayoutputcircuit
oftransmissioncontrol.Ifthefuseisopen,makesure
tocheckifthereisashorttoground.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

109
TRANSMISSION

P0870-HYDRAULICPRESSURETESTFAILUREOFOD—(Continuation)

TEST ACTION APAPPLICABILITY

8 Turn off the ignition by placing it in the LOCK position. All
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnecC
to-rlean/repaan
irsecessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit?
ofODintheharnessconnectorofthesolenoidandpressureswitchassembly
ofthetransmission.
Is the resistance above 5.0 ohms?

Yes→ Repair an open circuit in the switch detection circuit of

O/D pressure.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repnaifeircessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit
of O/D.
Is the resistance below 5.0 ohms?

Yes→ RepairtheO/Dpressureswitchdetectioncircuit.
in short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10

10 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthepressureswitchandsolenoidassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay at the control relay connector
transmissionofthePDC.
Ignition in ON position, engine stopped.
What is the voltage of the pressure switch detection circuit of O/D in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the pressure switch detection circuit of OD

in short, to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 11

110
 TRANSMISSION

P0870-FAILUREOFHYDRAULICPRESSURETESTOFOD-(Continuation)

TEST ACTION APAPPLICABILITY

11 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III TO EFFECT A RAPID LEARNING AND
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

12 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

111
TRANSMISSION

Wh
tiatok
uanit:g
P0871-SWITCHDETECTIONCIRCUITOFPRE-
SIONOFOD

Mominthveerificationandconditionoefstablishment:

P0871PRESSURE
- SWITCHDETECTIONCIRCUITOFOD
Verificationmoment:Whenevertheengineisrunning.
Establishmentcondition:TheappropriateDTCissetifoneoftheswitches
Thepressureisopenorclosedwhenitshouldn'tbeinagivengear.

POSSIBLECAUSES
PRESENCEOFTRANSMISSIONRELAYDTC
INTERMITTENTWIRINGANDCONNECTORS
OUTPUTCIRCUITOFTHEOPENTRANSMISSIONRELAY
DETECTIONCIRCUITOFTHEOPENO/DPRESSURESWITCH
DETECTIONCIRCUITOFTHEO/DPRESSURESWITCHSHORTEDTOGROUND
DETECTIONCIRCUITOFTHEO/DPRESSURESWITCHSHORTEDTOVOLTAGE
O/Dpressureswitchthatisnotworking
TCM - O/D PRESSURE SWITCH

112
 TRANSMISSION

P0871PRESSURE
- SWITCHDETECTIONCIRCUITOFOD-
(Continuation)
TEST ACTION APAPPLICABILITY
1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Checaknaddjuthstliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely.
toavoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all the DTCs.
oftheenginebeforecarryingoutthediagnosticsofthetransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:Thereisanoptionthatalowsthefailuresofthe1stcycletobecompletelyfiledinasaDTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratio,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomedo
they make while driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthecurrentrapidupdatelevelofthecontrolmoduleof
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom
l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRB III to read the transmission DTCs. Everyone

Does any DTC P0890, P0891, or P0888 related to the control relay appear?
transmission?

Yes→ ConsulttheTransmissioncategoryandcarryouttheappropriatesymptom.
Carry out TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 3

3 UsetheDRBIIItochecktheSTARTCOUNTERFROMESTABLISHMENT Everyone
BIRTH.
NOTE:ThisledgersolelyappliestothelastestablishedDTC.
Is the STARTS FROM ESTABLISHMENT counter at 2 or less for
P0871?

Yes→ Goto 4

No→ Headto 11

113
TRANSMISSION

P0871-PRESSURESWITCHDETECTIONCIRCUITOFOD—
(Continuing)
TEST ACTION APAPPLYABILITY
4 Turn off the ignition by placing it in the LOCK position. All
CAUTION: Remove the relay of the starter motor from the PDC. This will prevent
thth
eanestagm
sn
iratn
eid
arch.
Iinstalledatransmissionsimulator,Millertoolno.8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Ignition in ON position, engine stopped.
SelectODonthepressureswitchselectorswitchofthesimulator
thetransmission.
Use the DRB III to check the condition of the OD pressure switch.
whilepressingthepressureswitchtestbuttononthesimulatorofthe
transmission.
Has the pressure switch status changed from OPEN to CLOSED at
Pressthetestbutton?

Yes→ Pleasegoto 5

No→ Goto 6

5 Iftherearenootherpossiblecauses,checktherepair. All

Repair
Replacethesetofsolenoidsandpressureswitchesof
the transmission according to the service information.
Perform VERIFICATION TEST OF THE TRANSMISSION
41TE-VERSION1.

6 Turn off the ignition by placing it in the LOCK position. Everyone

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC e:hectkhceonnectoCr-slean/repaanirsecessary.
Connect a jumper cable between the circuit B(+) protected by the fuse and the circuit of
output of the transmission control relay at the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
outputofthetransmissioncontrolrelayintheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The test light must illuminate with intensity. Compare this.
In
tegnitiv,eth
sileusion
od
afirectonnectiontohbeattery.
Doesthetestlightcomeonbrightly?

Yes→ Proceedto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit
oftransmissioncontrol.Ifthefuseisopen,makesure
tocheckifthereisashorttoground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

114
 TRANSMISSION

P0871PRESSURE
- SWITCHDETECTIONCIRCUITOFOD-
(Continuation)
TEST ACTION APLIABILITY
7 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthepressureswitchcircuitdetectionofO/Dfrom
the harness connector from the TCM to the harness connector of the solenoid assembly and
transmission pressure switches.
Is the resistance above 5.0 ohms?

Yes→ Repair an open circuit in the switch detection circuit of

O/D pressure.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

8 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit?
of O/D.
Is the resistance below 5.0 ohms?

Yes→ Repair the O/D pressure switch circuit short to

dough.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit protected by fuse and the circuit of
transmission control relay output in the control relay connector
IPMtransmission.
Ignition in the ON position, engine stopped.
What is the voltage of the O/D pressure switch detection circuit in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ RepairtheO/Dpressureswitchdetectioncircuit.
in short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 10

115
TRANSMISSION

P0871PRESSURE
- SWITCHDETECTIONCIRCUITOFOD-
(Continuation)
TEST ACTION APAPPLICABILITY
10 Ifnootherpossiblecausesremain,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

11 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you found any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

116
 TRANSMISSION

Wth
idoaouutbt:
P0884-ACTIVATIONATSPEED

Mominthveerificationandconditionoefstablishment:

P0884-ACTIVATIONINSPEED
Verification moment: When the control module is initially activated
transmission.
Establishment condition: If the TCM is activated and detects a PRNDL DTC of
valid forward march and the transmission RPM is above 800 RPM
(approximately 32 km/h or 20 mph) this DTC is set.

POSSIBLECAUSES
ACTIVATION AT SPEED

TEST ACTION APAPPLICABILITY

1 This DTC is set when the TCM initializes while the vehicle is in motion. All
road in a valid forward march.
Check all the B(+) circuits protected by fuse, from switch output
ignitionprotectedbyfuseandgroundedtotheTCMinsearchofashorttogroundoropen
intermittent.
Have you encountered any problems?

Yes→ Repair the wiring and/or the connectors as needed.

Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

117
TRANSMISSION

Wth
idoaouutbt:
P0888-OUTPUTOFRELAYALWAYSDEACTIVATED

Mominthveerificationandconditionoefstablishment:

P0888-OUTPUTOFTHERELAYALWAYSDEACTIVATED
Verificationmoment:Continuously
Establishmentcondition:Thiscodeissetwhentherearelessthan3voltsin
the output circuits of the transmission control relay of the control module
transmissionwhentheTCMisexcitingtherelay.

POSSIBLECAUSES
DEF.INTERMITTENTWIRINGANDCONNECTORS
CIRCUITB(+)PROTECTEDBYOPENFUSE
OUTPUTCIRCUITOFTHECONTROLRELAYOFTHETRANSMISSIONOPEN
OPENTRANSMISSIONRELAYCONTROLCIRCUIT
OPENCONTROLRELAYTRANSMISSIONGROUNDCIRCUIT
OPEN STUCK TRANSMISSION CONTROLRELAY
OUTPUTCIRCUITOFTHECONTROLRELAYOFTHETRANSMISSIONINSHORTTOGROUND
RELAYCONTROLCIRCUITOFTHESHORTTOGROUNDTRANSMISSION
TCM-TRANSMISSIONCONTROLRELAYALWAYSOFF

118
 TRANSMISSION

P0888-RELAYOUTPUTALWAYSDEACTIVATED-(Continuous)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Veriftyhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletelycharged.
toavoidfalsseymptomdiagnosis.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingthediagnosticsymptomsofthetransmission.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of 1 cycle.
NOTE: Day gn ostiqu that the failures of cycle 1 are completely like a DTC
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear shift lever position test. If the test is not passed,
check the symptoms test for code P0706 Signal check of the
changer.
FortheDTCofgearratios,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they make when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofupdatingthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithproooftfheapplicableTSBrelatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 UsetheDRBIIItochecktheSTARTCOUNTERFROMSTABLE- Everyone
CEMENTforP0888.
NotT
e:haisccouonisntalypplicabtolh
elaestablisheD
dTC.
Is the STARTS FROM ESTABLISHMENTS counter at 0?

Yes→ Goto 3

No→ Goto 10

3 Turn off the ignition by placing it in the LOCK position. Everyone

RemovethetransmissioncontrolrelayfromthePDC.
NotC e:hectkhceonnectoCr-slean/repnaifeircessary.
Ignition in ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit
B(+) prot. for fuse in the connector of the transmission control relay of the PDC.
NOTE:The test light should shine with intensity. Compare that
in
ten
sid
alw
u
ezith
thd
aeirectonnection tohbeatetry.
Doesthetestlightilluminatebrightly?

Yes→ Goto 4

No→ RepairanopenorhighresistanceintheB(+)prot.circuit.
fuse. If the fuse is blown, make sure to check if there is a
ashortomass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

119
TRANSMISSION

P0888-RELAYOUTPUTALWAYSDEACTIVATED—(Continuation)

TEST ACTION APAPPLICABILITY

4 Turn off the ignition by placing it in the LOCK position. Everyone
RemovethetransmissioncontrolrelayfromthePDC.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistanceofthecontrolcircuitofthetransmissioncontrolrelaybetween
the connector of the transmission control relay and the harness connector of the TCM.
Is the resistance above 5.0 ohms?

Yes→ Fixanopeninthecontrolcircuitofthecontrolrelayofthe
transmission.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 5

5 Turn off the ignition by placing it in the LOCK position. Everyone

RemovethecontrolrelayfromthePDCtransmission.
NotV e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
Use a 12-volt test light connected to 12 volts to check the
ground circuit of the transmission control relay.
NOTE:The light of the test must illuminate with intensity. Compare this.
In
ten
sided
as,irectonnection tohbeattery.
Doesthetestlightshinebrightly?

Yes→ Goto 6

No→ Repairanopenorhighresistanceintherelaygroundcircuit.
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

6 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC e:hectkhceonnectoCr-slean/repaan irsecessary.
Connect a jumper cable between the B(+) circuit protected by a fuse and the circuit of
transmissioncontrolrelayoutput.
Ignition in ON position, engine stopped.
Use a 12-volt test light connected to ground to check the three.
output circuits of the transmission control relay.
NOTE:Therearethreecircuitsofoutputstabilityofthetransmission.Twoareinthe
connectooT rfCM and onin
tehceonnectootrhfseotf
Thseun aisnoidandwithmutatedpressuroeth fteransmission.
NOTE:The test light must illuminate with intensity. Compare that
in
ten
connecd tsirectltyohbeattery.
Doesthetestlightilluminatebrightlyinthethreeoutputcircuitsoftherelay?
transmission control?

Yes→ Goto 7

No→ Repairanopenorhighresistanceintherelayoutputcircuit.
oftransmissioncontrol.
Perform TEST OF TRANSMISSION VERIFICATION
41TE-VERSION1.

120
 TRANSMISSION

P0888-OUTPUTOFTHERELAYALWAYSDEACTIVATED—(Continuation)

TEST ACTION APAPPLICABILITY

7 Turn off the ignition by placing it in the LOCK position. All
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
What is the resistance between ground and the output circuit of the control relay of the
transmission.
Is the resistance below 5.0 ohms?

Yes→ Repairtheoutputcircuitofthetransmissioncontrolrelay.
short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

8 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandtherelaycontrolcircuitofthetransmission.
Is the resistance below 5.0 ohms?

Yes→ Repairthecontrolcircuitofthetransmissioncontrolrelay.
in short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

9 Turn off the ignition by placing it in the LOCK position. All

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
Installanotherrelayinsteadofthetransmissioncontrolrelay.
NotV
e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
Ignition in the ON position, engine off.
Use the DRB III to activate the transmission control relay.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
transmissioncontrolrelayoutputintheharnessconnectoroftheassembly
solenoidsandpressureswitchesofthetransmission.
Does the test light blink on and off?

Yes→ Replacethetransmissioncontrolrelay.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ ReplacetheTCM.USETHEDRBIII©TOPERFORMA
FAST LEARNING AND REPROGRAM THE FAC-
TOROFTHEPINECONE.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

121
TRANSMISSION

P0888-OUTPUTOFTHERELAYALWAYSDEACTIVATED-(Continuation)

TEST ACTION APAPPLICABILITY

10 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotpresent. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

122
 TRANSMISSION

Wth
idoaouutbt:
P0890-SWITCHEDBATTERY

Mominthveerificationandestablishmenctondition:

P0890-SWITCHEDBATTERY
Verification moment:The ignition key is turned from the OFF position to the position
RUNand/ortheignitionkeyisturnedfromtheENGINETURNpositiontotheRUNposition.
Establishment condition: This DTC is set if the control module of the
transmissiondetectsvoltageatoneofthepressureswitchinputsbefore
thattheTCMexcitesthetransmissioncontrolrelay.

POSSIBLECAUSES
INTERMITTENTWIRINGANDCONNECTORS
DETECTIONCIRCUITOFTHE2/4PRESSURESWITCHSHORTTOVOLTAGE
DETECTIONCIRCUITOFTHEL/RPRESSURESWITCHINSHORTTOVOLTAGE
CIRCUITFORDETECTINGTHEODPRESSURESWITCHSHORTEDTOVOLTAGE
TCM - SWITCHED BATTERY

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
Transmission.Ifthelevelislow,localizeandrepairtheleakandcontinue.
Checliq akuild
evaeclcordintgohservicneformation.
NOTE:Alwaysmakethediagnoseswiththebatterycompletely.
toavoidthdeiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all the DTCs.
beforeperformingthediagnosticsoftransmissionsymptoms.
Use the DRBIII to read the DTCs of the transmission. Record all the DTCs and
first cycle failures.
NOTE:The first cycle fails as a completely incomplete DTC.
formeandyou.
Usingthewiringdiagram/schematicasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTC,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomeofthem
they cause the vehicle to be driven in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofupdatingthecontrolmodule.
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithprooofafpplicableTSBrselatedtothesymptom.
Carry out this procedure before diagnosing symptoms.

Continue
Goto 2

123
TRANSMISSION

P0890-SWITCHEDBATTERY—(Continuation)

TEST ACTION APAPPLICABILITY

2 UsetheDRBIIItochecktheSTARTCOUNTERFROMSTABLE- Everyone
SEEDINGforP0890.
NotT
e:haisccounotnalypplietohslaestablisheD
dTC.
Is the STARTS FROM ESTABLISHMENTS counter FOR P0890 in
0?

Yes→ Goto 3

No→ Goto 7

3 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the B(+) circuit protected by the fuse and the circuit of
transmission control relay output in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
What is the voltage of the pressure switch detection circuit of 2-4 in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repairthecircuitofthepressureswitchdetectorof2/4in
short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

4 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethecontrolrelayfromthePDCtransmission.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
Connect a jumper wire between the B(+) circuit protected by the fuse and the circuit of
transmission control relay output in the control relay connector of the
PDCtransmission.
Ignition in ON position, engine stopped.
What is the voltage of the detection circuit of the pressure switch of L/R in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the detection circuit of the pressure switch of L/R

in short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 5

124
 TRANSMISSION

P0890-SWITCHEDBATTERY—(Continuation)

TEST ACTION APAPPLICABILITY

5 Turn off the ignition by placing it in the LOCK position. All
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the B(+) circuit protected by a fuse and the circuit of
transmission control relay output in the control relay connector of the
transmissionofthePDC.
Ignition in ON position, engine stopped.
What is the voltage of the pressure switch O/D detection circuit in the
bundle connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the pressure switch detection circuit of OD

in short, to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

6 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III TO CARRY OUT A FAST LEARNING
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

7 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotpresent. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

125
TRANSMISSION

P0891-TRANSMISSIONRELAYALWAYSON

Mominthveerificationandconditionoefstablishment:

P0891-TRANSMISSIONRELAYALWAYSACTIVATED
Verification moment: When the ignition key is turned from the OFF position to the
TheRUNpositionand/ortheignitionisturnedfromtheENGINETURNpositiontotheRUNposition.

Establishment condition: This DTC is established if the control module of the

transmission detects more than 3 volts at the output terminal of the control relay of the
transmissionoftheTCMbeforeitexcitestherelay.

POSSIBLECAUSES
INTERMITTENTWIRINGANDCONNECTORS
CONTROLRELAYOF THE TRANSMISSION STUCK IN CLOSED
OUTPUTCIRCUITOFTHECONTROLRELAYOFTHESHORTTRANSMISSIONTOVOLTAGE
RELAYCONTROLCIRCUITFORSHORTTRANSMISSIONTOVOLTAGE
TCM-TRANSMISSIONRELAYALWAYSACTIVATED

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue.
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletelycharged.
n
isitecessarytoavoidthd eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsofthetransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of 1st cycle.
NOTE:The first cycle fails like a completely different DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Carry out the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandlogallCVI.
MostoftheDTCsareestablishedatstartup,butsomedo
they conduct the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkifthelevelofthemodulecontrolupdatespeed
transmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

126
 TRANSMISSION

P0891-TRANSMISSIONRELAYALWAYSACTIVATED—(Continued)

TEST ACTION APLIABILITY

2 UsetheDRBIIItochecktheSTARTCOUNTFROMESTABLISHED- Everyone
SENSORforP0891.
NotT
e:haisccounhtoldeornalypplietohslaestablisheD
dTC.
Is the STARTS FROM ESTABLISHMENT counter at 0?

Yes→ Goto 3

No→ Goto 7

3 Turn off the ignition by placing it in the LOCK position. Everyone

RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistancebetweentheB(+)circuitprotectedbythefuseandtheoutputcircuitofthe
transmissioncontrolrelayinthetransmissioncontrolrelay.
Is the resistance above 5.0 ohms?

Yes→ Goto 4

No→ Replacethetransmissioncontrolrelay.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

4 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Ignition in ON position, engine stopped.
What is the voltage of the output circuit of the transmission control relay in the
harness connector of the solenoid and pressure switch assembly.
Is the voltage above 0.5 volts?

Yes→ Repairtheoutputcircuitofthetransmissioncontrolrelay.
short circuit.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 5

5 Turn off the ignition by placing it in the LOCK position. All

RemovethetransmissioncontrolrelayfromthePDC.
Ignition in ON position, engine stopped.
NotC
e:hectkhceonnectoCr-slean/repnaifeircessary.
WhatisthevoltageoftherelaytransmissioncontrolcircuitinthePDCconnector.
Is the voltage above 0.5 volts?

Yes→ Repairtherelaycontrolcircuitofthetransmissioninshortto
tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

6 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III TO CARRY OUT A FAST LEARNING
REPROGRAM THE PINION FACTOR.
Carry out TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

127
TRANSMISSION

P0891-TRANSMISSIONRELAYALWAYSACTIVATED-(Continuity)

TEST ACTION APAPPLICABILITY

7 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

128
 TRANSMISSION

W
i / gnikat tuoht W
i

P0897-DETERIORATEDOROUTDATEDTRANSMISSIONFLUID
MADO

Mominthveerificationandconditionoefstablishment:

P0897TRANSMISSION
- FLUIDDETERIORATEDORBURNED
Verification moment: With each total coupling transition of the converter
bypartialcouplingofthetorqueconvertertoavoidthejoltsfromtheA/C.
Condition of establishment: When shaking of the vehicle is detected during a
partial coupling (PEMCC).

POSSIBLECAUSES
DEGRADED OR BURNEDTRANSMISSION FLUID

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. All
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Checliq akuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththecompletelychargedbattery.
toavoidthme isdiagnosoisfaflsseymptoms.
Use the DRB III® to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingthediagnosticsoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of 1st cycle.
NOTE: Day gn ostiqu and the failures of 1 cycle like a totally complete DTC
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratios,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomedoso
they make the vehicle operate in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedoftheupdatelevelofthecontrolmodule.
translationS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithregardtotheapplicableTSBrelatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

129
TRANSMISSION

P0897AUTOMA
- TICTRANSMISSIONFLUIDDETERIORATEDORBURNED-
(Continuation)
TEST ACTION APLIABILITY
2 Set the ignition to the OFF position. Everyone
Remove the oil collector and the oil filter from the transmission according to the
Service information.
Installanewtransmissionoilfilteraccordingtotheinformationfrom
service.
Reinstall the transmission oil collector and fill it with fluid.
new transmission according to the service information.
NoteB :eforceontinuingth,teransmissionrefrigeratom r usbtteurnedoff.
Start the engine, check and adjust the transmission fluid level
accordingtotheserviceinformation.
Allowtheenginetorunidlefor10minutesinPARK.
Wash the transmission oil cooler according to the information.
service.
Put the ignition in the OFF position.
Drainandrefillwithtransmissionfluid.
Wash the transmission oil cooler again.
Start the engine, check and adjust the transmission fluid level.
inaccordancewiththeserviceinformation.
Use the DRB III to perform a battery disconnection.
NotT e:hmisubsdteontroeactivath eEeMCC durintghe
coupling the ember branch of the A/C.
Thevehiclemayexperienceintermittentshakingduringthefirstfewhundred.
kilometers.
NotT e:howeilgilradualeynteth
rferiction
materiaothlfT
eCC
and
thethunderoE fberwoulddisappear.
DeletetheDTCandreturnthevehicletothecustomer.
Has the code been re-established or is the vehicle still shaking after a few
thousandsofkilometers?

Yes→ Replacethetorqueconverteraccordingtotheinformationfrom
service. Note: After replacing the converter, use the
DRBIIItocarryouttherollingprocedureoftheTCC.This
Itwillpreventpossibletremors.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

130
 TRANSMISSION

Wth
idoaouutbt:
P0944-PLOSSOFPRIMING

Momonthveerificationandconditionotfhestablishment:

P0944-PLOSSOFPRIMING
Verification moment: If the transmission slips in any forward gear and the
Pressure switches do not indicate pressure, a loss test is carried out.
sickened.
Establishmentcondition:Ifthetransmissionstartstoslipinagearof
advance and the pressure switches that should be closed are open, it starts
atestofprimingloss.TheavailableelementsareactivatedbytheTCMto
detect if there is pump priming. The code is set if no switch of
pressure responds.

POSSIBLECAUSES
TRANSMISSION OIL FILTER CLOGGED
GEARSHIFTERPOSITION
TRANSMISSIONFLUIDLEVEL
INTERMITTENTWIRINGANDCONNECTORS
TRANSMISSIONOILPUMP

131
TRANSMISSION

P0944-PLOSSOFPRIMING—(Continuation)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelmaybethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Confirm thliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely.
Toavoidthdeiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
theenginebeforecarryingoutthetransmissionsymptomdiagnostics.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of the first cycle.
NOTE: It is a fact that the failures of the first cycle act as a DTC completely.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
Check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordalltheCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they conduct the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthespeedofupdatingthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Headto 2

2 To check the fluid level, the transmission temperature must be Everyone

above21°Cor70°F.Ifthefluidlevelofacoldtransmissionisadjusted,it
it will be excessively full.
Check the transmission fluid level according to the information of
service.
Is the transmission fluid level correct?

Yes→ Goto 3

No→ Ifthetransmissionfluidlevelislow,repairany
transmission fluid leak as needed and adjust the
transmissionfluidlevelaccordingtotheinformationfrom
service.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

3 Place the gear selector in PARK. All

Start the engine.
NOTE:Inordertocarryoutthefollowingsteps,theTEMP.DEGREESOFTHE
Itshouldbeatleast43ºCor110ºF.
Tocheckthepressure,thetransmissionmustbeatoperatingtemperature.
Ilie.Thereadingsinacoldtransmissionwillbehigher.
Put the transmission in REVERSE.
Use the DRB III to observe the states of the pressure switches.
transmission.
Is any of the pressure switches closed?

Yes→ Goto 4

No→ Goto 6

132
 TRANSMISSION

P0944-PLOSSOFPRIMING—(Continuation)

TEST ACTION APAPPLICABILITY

4 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. All
Conduct a test drive of the vehicle. Allow the transmission to change.
goingthroughallgearsandpositions.
Hastherebeenanyoccurrenceofdelayedcouplingconditionsand/orlackoftransmission?
session?

Yes→ Goto 6

No→ Goto 5

5 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

6 Remove and inspect the oil collector and the oil filter of the transmission. All
agreement with the service information.
Does the oil collector contain excessive dirt and/or is the oil filter clogged?

Yes→ Repair the cause of the oil filter blockage of the

transmission.Tofindoutabouttherepairprocedure-
Inappropriate action, please consult the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 7

7 Use the DRB III™ to perform a gear shift lever position test. Everyone
Follow the instructions of the DRB III®.
Has the gear shift lever position test been passed?

Yes→ Proceedto 8

No→ Check the list of symptoms and perform the test for the DTC
P0706.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

8 Iftherearenootherpossiblecauses,seetherepair. All

Repair
Replacethetransmissionoilpumpaccordingtothe
Service information.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

133
TRANSMISSION

Wth
idoaouutbt:
P0951-AUTOSTICKSENSORCIRCUIT

Mominthveerificationandconditionotfhiesstablishment:

P0951-AUTOSTICKSENSORCIRCUIT
Verificationmoment:Whenevertheengineisrunning.
Condition of establishment: The gear shift lever of the transmission is not present.
inAutoStick position and the upshift or downshift switch is
closed. This code will also be set if both switches are closed to
sametime.

POSSIBLECAUSES
INTERMITTENTCABLEANDCONNECTOR
ASCENDING/DESCENDINGCHANGEDETECTIONCIRCUITSINSHORT
AMASA
AUTOSTICK SWITCH
TCM-AUTOSTICK

TEST ACTION APapplicability

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththecompletelyful battery.
toavoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all the DTCs.
oftheenginebeforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:They do not have the flaws of a complete DTC as in the first cycle.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratios,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomedoso
they make the vehicle operate in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkifthemodulecontrolupdatespeedisactualized.
transmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithprooofafpplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

134
 TRANSMISSION

P0951-AUTOSTICKSENSORCIRCUIT(Conti
- nuation)

TEST ACTION APLIABILITY

2 UsetheDRBIIItochecktheSTARTCOUNTERFROMSTABLE- Everyone
FERTILIZATION.
NotT
e:haisccountinoisgnalypplicabtolh
elaestablisheD
dTC.
Is the start counter since establishment at 0?

Yes→ Goto 3

No→ Goto 7

3 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheAutostickswitch.
NotV
e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
Put the ignition in the ON position.
What is the voltage of the upward and downward change circuits in the
wiring harness connector of the Autostick switch.
Is the voltage above 5.0 volts?

Yes→ Headto 4

No→ Goto 5

4 Turn off the ignition by placing it in the LOCK position. Everyone

ReplacetheAutostickswitch.
Ignition in ON position, engine stopped.
Use the DRB III to erase the DTCs.
Start the engine.
While driving the vehicle, make several upshifts and downshifts.
usingtheAutostick.
Has the DTC reappeared?

Yes→ Goto 6

No→ Complete test.

Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

5 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnect theAutoStick harness connector.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
What is the resistance between ground and the rising edge detection circuits?
descending change.
Is the resistance below 5.0 ohms?

Yes→ Repair the rising edge and/or changing detection circuit

descendantinshorttomass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 6

6 Ifnootherpossiblecausesremain,checktherepair. Everyone

Repair
ReplacetheTCM.USETHEDRBIIIᵡ TOPERFORMA
LEARNING IS FAST AND RE-PROGRAMMING THE FAC-
TOROFTHEPINENUT.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

135
TRANSMISSION

P0951-SENSORAUTOSTICKCIRCUIT—(Continuation)

TEST ACTION APApplicability

7 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Fixwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

136
 TRANSMISSION

Wth
isoaun
td:
P0992-HYDRAULICPRESSURETESTFAILUREOF2-4/OD

Mominthveerificationandconditionoefstablishment:

P0992-HYDRAULICPRESSURETESTFAILUREOF2-4/OD
Verificationmoment:Inanyforwardmarchwiththeenginespeed
above1,000rpmshortlyafterachangeandeveryminutethereafter.
Condition of establishment: After shifting to a forward gear, with the
motorspeed>1,000rpm,theTCMmomentarilyactivatesthepressureoftheelements
to the clutch circuits that do not have pressure to identify if the switch of
correctpressureisclosed.Ifthepressureswitchdoesnotclose2times,itissettothe
code.

POSSIBLECAUSES
PRESENCEOFCONDITIONP0992

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue,
Veriftyhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwayscarryoutthediagnoseswiththecompletelyful battery.
iIm
st portantoatvoidthd eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsymptomsofthetransmission.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
failures of 1 cycle.
NOTE: Day gn ostiqu and the failures of 1 cycle like a complete DTC
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
consult the symptom test for code P0706 Signal check of
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they make the vehicle operate in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthelevelofrapidupdatesofthecontrolmodule.
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithprovenapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Headto 2

137
TRANSMISSION

P0992-FALLOFPRESSURETESTOF2-4/OD—(Continuation)

TEST ACTION APAPPLICABILITY

2 NOTE:ForthisDTCtobeestablished,thevehiclemustbedriven. Everyone
Thteransmissionmusbtw
earmohroatndthenginsepeedshouldbaebove.
1,000 rpm.
ThisDTCindicatesthepresenceofahydraulicpressureswitchDTCfor2/4
y/o O/D. Perform the tests for P0870 and/or P0845 to determine which one is the
faulty switch.
Iftherearenootherpossiblecauses,lookattherepair.

Repair
ConsulttheTransmissioncategoryandperformtheappropriatesymptom.
forP0870and/orP0845.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

138
 TRANSMISSION

Wh
tiatok
uanit:g
P1652-FINCORRECTOPERATIONOFCOMMUNICATIONLINK
SERIESNOTIFICATION

Mominthveerificationandconditionoefstablishment:

P1652-FINCORRECTFUNCTIONINGOFCOMMUNICATIONLINKIN
SERIES
Verificationmoment:Continuouslywiththeenginerunning.
Establishment condition: The DTC is established in approximately 20 seconds if
theTCMdoesnotreceivemessagesfromtheBUS.

POSSIBLECAUSES
LACK OF COMMUNICATION WITH THE MIC
LACK OF COMMUNICATION WITH THE PCM
INTERMITTENTDEFECTINWIRINGANDCONNECTORS
TCM-INTERNALERROR

TEST ACTION APApplicability

1 Use the DRB III to erase the DTCs from the TCM. Everyone
NotO
e:ncth
etreansmissiornepairasrceompletede,leth
eD
eTC.
P0700inthePCMforpayingtheMIL.
Start the engine in PARK.
Does the DTC reset when the engine starts?

Yes→ Headto 2

No→ Headto 5

2 Ignition in ON position, engine stopped. Everyone

Use the DRB III to try to communicate with the MIC.
Can you communicate with the MIC?

Yes→ Goto 3

No→ Check the communications category for related symptoms.

bound.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

139
TRANSMISSION

P1652-FINCORRECTFUNCTIONINGOFCOMMUNICATIONLINKINSE -
RIE—(Continuation)
TEST ACTION APApplicability
3 Ignition in ON position, engine stopped. Everyone
UsetheDRBIIItoselectthefollowingscreensinthisorder:CAR.
SHINING, MIC, MONITOR VISUALIZATION, ENGINE INFO.
BUSPCI
Indicate the DRB III 'NO RESPONSE' from one of the monitors of
mentionedPCM?

Yes → Check the Communications category for information about the

relatedsymptoms.
Conduct TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 4

4 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

5 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Fixwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

140
 TRANSMISSION

Yd
eIso,.
P1684-THEBATTERYHASBEENDISCONNECTED

Momivserifyingthceonditionotfhiesstablishment:

P1684-THEBATTERYHASBEENDISCONNECTED
Verificationmoment:WheneverthekeyisintheRUN/STARTposition.
Establishment condition:This code is established whenever the control module
the transmission (TCM) is disconnected from B(+) battery power supply or ground.
It will also be established during the quick battery disconnect procedure.
DRBIII

POSSIBLECAUSES
ALEARNINGHASBEENCARRIEDOUT
RECENTBATTERYDISCONNECTION
THETCMHASBEENREPLACEDORDISCONNECTED
INTERMITTENTCABLEANDCONNECTOR
CIRCUITB(+)PROTECTEDBYFUSETOOPENTCM
OPEN LOOPCIRCUIT

TEST ACTION APAPPLICABILITY

1 NOTE:Lowliquidlevelscanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththebatterycompletely.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
theenginebeforemakingthediagnosisoftransmissionsymptoms.
Use the DRBIII to read the DTCs from the transmission. Record all the DTCs and
failures of the 1st cycle.
NOTE: Day gn ostiqu and the failures of 1 cycle as a complete DTC
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratios,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they make it so that all the monitors have taken place while driving the vehicle
diagnosis.
NOTE:Checktheactualspeedofthecontrolmoduleupdate
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTET : heapplicableTSBrselatedtothesymptomareproven.
Carry out this procedure before the diagnosis of symptoms.

Continue
Headto 2

141
TRANSMISSION

P1684-THEBATTERYHASDISCONNECTED—(Continuing)

TEST ACTION APAPPLICABILITY

2 Put the ignition to OFF, in the lock position. All
DisconnecttheharnessconnectorfromtheTCM.
Ignition in ON position, engine stopped.
WhatisthevoltageofthecircuitB(+)protectedbyafuseintheharnessconnectoroftheTCM.
Is the voltage below 10.0 volts?

Yes→ Goto 3

No→ Goto 5

3 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
Ignition in ON position, engine off.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
B(+) in the harness connector of theTCM.
NOTE:The light of proof must be illuminated with intensity. Compare it.
in
ten
sid
alw
u
ezith
d
airectonnection
tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 4

No→ RepairanopenorhighresistanceinthecircuitB(+)prot.
fuse. If the fuse is open, make sure to check if it exists
ashortomass.
Perform TEST OF TRANSMISSION VERIFICATION
41TE - VER 1.

4 Turn the ignition to OFF, in the lock position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
NotC e:hectkhceonnectioC
n-slean/repaan
irsecessary.
Use a 12-volt test light connected to 12 volts to check all
the harness circuits in the harness connector of the TCM.
NOTE:The light of the test should be illuminated with intensity. Compare that.
In
ten
sid
alw
u
ezith
d
airectonnectiontohbeattery.
Doesthetestlightilluminatebrightlyinallgroundcircuits?

Yes→ Complete test.

No→ Repairthegroundcircuitsasneeded.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

5 Hastherapidlearningprocedurebeencarriedout? Everyone

Yes→ This is the cause of the DTC. Clear the DTC and return the vehicle to the
client.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 6

6 Hasthebatterybeendisconnected,removed,orreplacedrecently? Everyone

Yes→ This is the cause of the DTC. Clear the DTC and return the vehicle to the
client.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 7

142
 TRANSMISSION

P1684-THEBATTERYHASBEENDISCONNECTED—(Continuing)

TEST ACTION APPLICATION

OL
FIABILITY

7 HastheTCMbeenreplacedordisconnected? Everyone

Yes→ If the TCM is replaced or disconnected, this DTC will be set.

DeletetheDTCandreturnthevehicletothecustomer.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 8

8 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

143
TRANSMISSION

Wth
idoaouutbt:
P1687-LACKOFCOMMUNICATIONWITHTHEMIC

Mominthveerificationandconditionoefstablishment:

P1687-LACKOFCOMMUNICATIONWITHTHEMIC
Verificationmoment:Continuouslywiththeenginerunning.
Establishmentcondition:Thecodeisestablishedinapproximately25secondsif
nomessagesarereceivedfromtheBUSsincetheMIC.

POSSIBLECAUSES
PRESENCEOFOTHERBUSPROBLEMS
DEF.INTERMITTENTWIRINGANDCONNECTORS
MIC - LACK OF COMMUNICATION
TCM-BUSCOMMUNICATION

TEST ACTION APAPPLICABILITY

1 UsetheDRBIIItochecktheSTARTSSINCESETTLEcounter. Everyone
CIMENTforP1687.
NotT
e:haisccouonisntalypplicabtolh
elaestablisheD
dTC.
Is the COUNTER OF STARTS FROM ESTABLISHMENTS at 0?

Yes→ Headto 2

No→ Goto 5

2 UsetheDRBIIItocheckallothermodulesofthevehiclefor Everyone
evidence of a problem in the vehicle's bus.
The DTCs related to the bus in other modules suggest the existence of a
global vehicle bus problem. Other symptoms such as complaint of
intermittentoperationclientofthecharacteristicscontrolledbythebus
theyalsoindicateaproblemonthebus.
DoesthePRNDLNoBusvisualizationindicateaproblemoristhereanyevidenceofanissue?
global vehicle bus?

Yes → Consult the Communications category and carry out the symptom.
appropriate.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

144
 TRANSMISSION

P1687-LACKOFCOMMUNICATIONWITHTHEMIC—(Continuation)

TEST ACTION APAPPLICATION

3 Ignition in ON position, engine stopped. Everyone
Use the DRB III to erase all DTCs.
Start the engine in PARK (parking).
Use the DRB III to read the DTCs from the MIC.
Can the DRB III communicate with the MIC?

Yes→ Goto 4

No→ Consult the Communication category and carry out the appropriate symptom.
complaintrelatedtothelackofresponsetotheMIC.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

4 Ignition in the ON position, engine stopped. Everyone

Use the DRB III to erase the DTC from the TCM.
Start the engine in PARK.
Use the DRBIII to read the transmission DTCs.
Does DTC P1687 - Lack of communication with the MIC appear?

Yes→ Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

5 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

145
Transmission

Wth
idoaouutbt:
P1694-COMMUNICATIONOFTHEBUSWITHTHEENGINEMODULE

Momint,hveerificationandconditionoefstablishment:

P1694-COMMUNICATIONOFTHEBUSWITHTHEENGINEMODULE
Verificationmoment:ContinuouslywiththeignitionkeyintheONposition.
Establishment condition: If messages are not received from the control module of the
transmissionmechanismfor10seconds.

POSSIBLECAUSES
LACK OF COMMUNICATION WITH THE PCM
PRESENCEOFOTHERBUSPROBLEMS
INTERMITTENTWIRINGANDCONNECTORS
TCM-BUSCOMMUNICATION

TEST ACTION APApplicability

1 UsetheDRBIIItochecktheSTARTCOUNTFROMESTABLE- Everyone
FUNDINGforP1694.
NotT
e:hcisounotnalypplietohslaetestablisheD
dTC.
Is the STARTS FROM ESTABLISHMENT counter for P1694 at 0?

Yes→ Goto 2

No→ Goto 5

2 Ignition in the ON position, engine off. Everyone

UsetheDRBIIItotrytocommunicatewiththecontrolmoduleofthemechanism
oftransmission(PCM).
Can the DRB III communicate with the PCM?

Yes→ Goto 3

No→ Consult the Communication category and carry out the symptom pro-
pity.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

3 UsetheDRBIII®tocheckallothermodulesofthevehiclefor All
evidence of a problem in the vehicle's bus.
The DTCs related to the bus in other modules suggest the existence of a
global problem of the vehicle bus. Other symptoms such as claim of
intermittentoperationclientofthefeaturescontrolledbythebus
theyalsoindicateaproblemonthebus.
IsthereaPRNDLNoBusvisualizationoristhereanyevidenceofaproblem?
vehicle bus global?

Yes→ Consult the Communication category and carry out the approximate symptom.
whimper.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

146
 TRANSMISSION

P1694-COMMUNICATIONOFTHEBUSWITHTHEENGINEMODULE-(Continuation)

TEST ACTION APAPPLICABILITY

4 Ignition in ON position, engine stopped. Everyone
Use the DRB III to clear the DTCs from the TCM.
Start the engine in PARK.
Use the DRBIII® to read the transmission DTCs.
Has the DTC P1694 reappeared?

Yes→ Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 5

5 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotpresent. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Fixwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

147
TRANSMISSION

Wth
idoaouutbt:
P1775-SOLENOIDSWITCHINGVALVEBLO-
FALLINTHEPOSITIONOFTHETCC

Mominthveerificationandestablishmenctondition:

P1775-SOLENOIDSWITCHINGVALVEBLOCKEDINTHE
POSITION OF THE TCC
Momentofverification:Duringanattempttoswitchto1am a r c h .
Establishment condition: This DTC is set if three failed attempts are made.
fromneutralto1stgearinagivenstartofignition.

POSSIBLECAUSES
PRESENCEOFDTCRELATEDTOP0841
L/RPRESSURESWITCHTHATDOESNOTWORK
INTERMITTENTOPERATION
OUTPUTCIRCUITOFTHECONTROLRELAYOFTHETRANSMISSIONOPEN
DETECTIONCIRCUITOFTHEOPENL/RPRESSURESWITCH
CIRCUITOFTHEPRESSURESWITCHOFL/RSHORTEDTOGROUND
DETECTIONCIRCUITOFTHEPRESSURESWITCHOFL/RINSHORTTOVOLTAGE
TCM - SOLENOID SWITCH VALVE

148
 TRANSMISSION

P1775-SOLENOIDSWITCHVALVEBLOCKEDINPOSITION
FROMTCC—(Continuation)
TEST ACTION APLIABILITY
1 NOTE:Thelowliquidlevelmaybethecauseofmanyproblems. All
thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue.
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely.
toavoidthd
eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforeperformingthediagnosisoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of the 1st cycle.
NOTE:ItisnotthecasethatthefailuresofthefirstcyclearecompletelylikeaDTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
Check the symptom test for code P0706 Signal check of the
changer.
FortheDTCofgearratio,checkandrecordallCVI.
MostoftheDTCsareestablishedatstartup,butsomedo
they make it so that all the monitors have taken place while driving the vehicle
diagnosis.
NOTE:Checkthecurrentspeedofthecontrolmoduleupdate.
TransmissionS.omp eroblemasrceorrectedthroughupdates.
softwarienthteransmissioncontroml odule.
NOTEW : ithregardtotheapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRB III to check if there are any other DTCs from the transmission. Everyone
DoesDTCP0841alsoappear?

Yes→ ChecktheTransmissioncategoryandperformtheappropriatesymptom.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 Before proceeding, perform a visual inspection of all connectors, wiring and Everyone
the connections of the cooler. Repair as necessary.
UsetheDRBIIItochecktheSTARTCOUNTERFROMESTABLISHMENT
CEMENTforP1775.
NOTE:ThisconditionerisonlyapplicabletothelatestestablishedDTC.
Is the STARTS FROM ESTABLISHMENT counter at 2 or less?

Yes→ Goto 4

No→ Headto 10

149
TRANSMISSION

P1775-SOLENOIDSWITCHVALVELOCKEDINPOSITION
FROMTCC—(Continuation)
TEST ACTION APAPPLICABILITY
4 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the relay from the starter motor of the PDC. This will prevent
thth
eanetgn
sitarerutsnngn
ieagr.
Iinstalledatransmissionsimulator,Millertoolno.8333andthesetof
FWD adapter cables, Miller tool No. 8333-1.
Ignition in ON position, engine stopped.
Use the DRB III to check the status of the L/R pressure switch.
whilepressingthepressureswitchtestbuttononthesimulatorofthe
transmission.
Withthetransmissionsimulator,selectL/Rontheswitchselector.
pressure.
WhileobservingthestateoftheL/RpressureswitchwiththeDRBIII®,press
thepressureswitchtestbutton.
Has the pressure switch status of L/R changed from OPEN to CLOSED?
pressthetestbutton?

Yes→ Inspectthesolenoidswitchingvalveinthebodyof
valves according to the service information and repair or replace
asnecessary.Ifnoproblemsarefoundinthebody
ofvalves,replacethesolenoidandswitchassembly
transmission pressure according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 5

5 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper wire between the B(+) circuit prot. by fuse and the circuit of
transmissioncontrolrelayoutputinthePDC.
Ignition in the ON position, engine stopped.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
outputofthetransmissioncontrolrelayintheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The test light must be illuminated with integrity. Compare this.
In
tenco,nnecdtirectltyohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 6

No→ Repairanopenorhighresistanceintherelayoutputcircuit
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

150
 TRANSMISSION

P1775-SOLENOIDSWITCHVALVELOCKEDINPOSITION
FROMTCC—(Continuation)
TEST ACTION APAPPLICABILITY
6 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnectthewiringharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthepressureswitchdetectioncircuitL/Rfrom
the harness connector of the TCM to the harness connector of the solenoid assembly and
transmission pressure switches.
Is the resistance above 5.0 ohms?

Yes→ Fix the open in the switch detection circuit.

L/R pressure.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 7

7 Turn the ignition to OFF, in the lock position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit
of L/R.
Is the resistance below 5.0 ohms?

Yes→ Repair the detection circuit of the L/R pressure switch.

in short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

8 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repath
irneecessaroynes.
Connect a jumper wire between the circuit B(+) prot. through the fuse and the circuit of
transmission control relay output at the control relay connector of the
transmissionofthePDC.
Ignition in ON position, engine stopped.
What is the voltage of the pressure switch detection circuit of L/R in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the detection circuit of the pressure switch of L/R

in short to tension.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

151
TRANSMISSION

P1775-SOLENOIDSWITCHINGVALVELOCKEDINPOSITION
FROMTHETCC—(Continuation)
TEST ACTION APAPPLICABILITY
9 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

10 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotbeingmet. All
Conduct a test drive of the vehicle.
Has there been any movement in 2nd gear and/or lack of coupling of the
TCC?

Yes→ Inspect the valve body for signs of a

stuckvalveoranotherproblemintheSSVarea.Ifnot
find problems, replace the solenoid set and
pressure switches. If there is excessive dirt in the collector or
thevalvebody,repairthecauseofitsexistence
as necessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

152
 TRANSMISSION

Withouytou:
P1776-SOLENOIDSWITCHINGVALVEBLO-
FALLINTHEPOSITIONOFLR

Mominthveerificationandconditionoefstablishment:

P1776-SOLENOIDSWITCHVALVEBLOCKEDINTHE
LR POSITION
Verification moment: Continuously when performing partial or complete EMCC (PE-
MCCorFEMCC.
Establishment condition: This DTC will be established if the TCM detects that the
L/R pressure switch closes during PEMCC or FEMCC or after two.
failedattemptstoexecutePEMCCorFEMCC.

POSSIBLECAUSES
PRESENCEOFDTCRELATEDTOP0841
PRESSURESWITCHL/RTHATDOESNOTWORK
Intermittentoperation
OUTPUTCIRCUITOFTHEOPENTRANSMISSIONRELAY
DETECTIONCIRCUITOFTHEOPENL/RPRESSURESWITCH
DETECTIONCIRCUITOFTHEL/RPRESSURESWITCHSHORTEDTOGROUND
DETECTIONCIRCUITOFTHEL/RPRESSURESWITCHSHORTEDTOVOLTAGE
TCM - SOLENOID SWITCH VALVE

153
TRANSMISSION

P1776-SOLENOIDSWITCHINGVALVELOCKEDINPOSITION
DELR—(Continuation)
TEST ACTION APAPPLICABILITY
1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakand,continuation,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwayscarryoutthediagnosticswiththebatterycompletely.
im
sit portantoatvoidthd eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforemakingthediagnosisoftransmissionsymptoms.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
failures of 1st cycle.
NOTE:The day they gnostiqued the failures of the first cycle as a completely DTC
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as needed.
Perform the gear lever position test. If the test is not passed,
Check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTC,checkandrecordallCVIs.
MostDTCsareestablishedatstartup,butsomedo
they conduct the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthelevelofrapidupdateofthecontrolmodule
translationS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : iththeapplicableTSBrselatedtothesymptom.
Carry out this procedure before the diagnosis of symptoms.

Continue
Headto 2

2 Use the DRB III® to check if there are any other transmission DTCs. All
DoestheDTCP0841alsoappear?

Yes→ Check the list of symptoms and perform the test for the DTC.
P0841.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 3

3 Before continuing, perform a visual inspection of all connectors, wiring and Everyone
the connections of the cooler. Repair as needed.
UsetheDRBIIItochecktheSTARTCOUNTERFROMESTABLISHMENT
CEMENTforP1776.
NOTE:ThisaccountsolelyappliestothelatestestablishedDTC.
Is the STARTS FROM ESTABLISHMENT counter at 2 or less?

Yes→ Proceedto 4

No→ Goto 10

154
 TRANSMISSION

P1776-SOLENOIDSWITCHINGVALVEBLOCKEDINTHEPOSITION
OFTHELR—(Continuation)
TEST ACTION APLIABILITY
4 Turn off the ignition by placing it in the LOCK position. All
CAUTION: Remove the battery from the starter motor of the PDC. This will prevent
thth
eanestagm
sn
iratn
eid
arch.
Iinstalledatransmissionsimulator,Millertoolnumber8333andthesetof
FWD adapter cables, Miller tool No. 8333-1.
Switch in ON position, engine stopped.
SelectL/Ronthepressureswitchselectorswitchofthesimulator
thetransmission.
Use the DRB III to check the status of the L/R pressure switch.
whilepressingthepressureswitchtestbuttononthesimulatorofthe
transmission.
Has the state of the pressure switch changed from OPEN to CLOSED at
pressthetestbutton?

Yes→ Inspectthesolenoidswitchingvalveinthebodyof
valves according to service information and repair or replace
asnecessary.Ifnoproblemsarefoundinthebody
ofvalves,replacethesolenoidandswitchassembly
transmission pressure according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 5

5 Turn off the ignition by placing it in the LOCK position. All

Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
Connect a jumper wire between the B(+) circuit protected by the fuse and the circuit of
transmission control relay output in the control relay connector
transmissionofthePDC.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
outputofthetransmissioncontrolrelayintheharnessconnectoroftheassembly
solenoidsandpressureswitches.
NOTE:The test light must illuminate with intensity. Compare this
in
ten
sid
alw
u
ezith
thd
aeirectonnection
tohbetaeíar.
Doesthetestlightturnonbrightly?

Yes→ Goto 6

No→ Repairanopenorhighresistanceintherelayoutputcircuit.
oftransmissioncontrol.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

155
TRANSMISSION

P1776-SOLENOIDSWITCHVALVELOCKEDINPOSITION
DELR—(Continuation)
TEST ACTION APAPPLICABILITY
6 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
WhatistheresistanceofthedetectioncircuitofthepressureswitchofL/Rfrom
the harness connector of the TCM to the harness connector of the solenoid assembly and
transmission pressure switches.
Is the resistance above 5.0 ohms?

Yes→ Repair the open circuit in the switch detection.

L/R pressure.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 7

7 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
ofthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweenthegroundandthepressureswitchdetectioncircuit
of L/R.
Is the resistance below 5.0 ohms?

Yes→ Repair the pressure switch detection circuit L/R

in short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 8

8 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnecttheharnessconnectorfromthesolenoidandpressureswitchassembly.
fromthetransmission.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repath
irem
ansecessary.
Connect a jumper cable between the circuit B(+) prot. by fuse and the circuit of
output of the transmission control relay in the control relay connector
PDCtransmission.
Ignition in ON position, engine stopped.
What is the voltage of the pressure switch detection circuit of L/R in the
harness connector of the TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the pressure switch detection circuit of L/R

in short, to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 9

156
 TRANSMISSION

P1776-SOLENOIDSWITCHVALVEBLOCKEDINTHEPOSITION
DELR-(Continuation)
TEST ACTION APAPPLICABILITY
9 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a rapid learning and
REPROGRAM THE PINION FACTOR.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

10 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Conduct a test drive of the vehicle.
Has there been any engagement in 2nd gear and/or lack of coupling of the
TCC?

Yes→ Inspect the valve body for signs of a

stuckvalveoranotherproblemintheSSVarea.Ifnot
they find problems, replace the set of solenoids and
pressure switches. If there is excessive dirt in the collector or
thevalvebody,repairthecauseofitsexistence
as needed.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

157
TRANSMISSION

Wth
ito'am
ut:'
P1790-FAILIMMEDIATELYAFTERTHECHANGE

Mominverificationandestablishmenctondition:

P1790-FAULTIMMEDIATELYAFTERTHECHANGE
Verificationmoment:Afterstoringaspeedratioerror.
Establishment condition: This code is established if the relationship code of
Theassociatedspeedisstoredafter1.3secondshavepassedsinceachange.

POSSIBLECAUSES
DTCP1790PRESENCE

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
Thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue.
Checaknaddjuthstliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththecompletebattery.
toavoidthm
e isdiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
oftheenginebeforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII to read the DTCs from the transmission. Record all the DTCs and
failures of the first cycle.
NOTE:Theyhavegnostiquedthatthefailuresofthe1stcyclearecompletelylikeaDTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring
and the connectors. Repair as needed.
Perform the gear shift lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomeofthem
they cause driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkthelevelofrapidupdatingofthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdates.
softwarienthteransmissioncontrom
l odule.
NOTEW : ithapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 ThisDTCisestablishedalongwiththegearratioDTC.Performthetest. Everyone
suitable for the stored gear ratio DTC.
NOTE:IfthereisnorelatedDTCregardingthecurrenttransgressions,pleasecheck.
thefailuresof1cycle.
Iftherearenootherpossiblecauses,seetherepair.

Repair
ConsulttheTransmissioncategoryandperformtheappropriatesymptom.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

158
 TRANSMISSION

Withouytou:
P1793TRD
- LINKCOMMUNICATIONERROR

Mominthveerificationandconditionoefstablishment:

P1793TRD
- LINKCOMMUNICATIONERROR
Verificationmoment:Thetransmissioncontrollerchangesthe12voltsignal.
from the TRD of the PCM to ground, during changes managed by torque with the angle of the
accelerator butterfly over 54 degrees. The TRD system is also tested
wheneverthevehicleisstoppedwiththeengineatidlespeed.
Conditionofestablishment:ThiscodeisestablishedwhentheControlModuleofthe
transmission (TCM) sends two consecutive torque reduction messages to the Module of
control of the transmission mechanism (PCM), through the TRD link circuit and not
receiveaconfirmationfromthePCMthroughthecommunicationbus.

POSSIBLECAUSES
PRESENCEOFRELATEDDTCs
DEF.INTERMITTENTWIRINGANDCONNECTORS
OPEN PAIR MANAGEMENTREQUESTDETECTION CIRCUIT
DETECTIONOFSHORT-TO-MASSPAIRMANAGEMENTREQUEST
SHORTCIRCUITMANAGEMENTREQUESTDETECTIONCIRCUIT
PCM-TRDLINK
TCM - TRD LINK

159
TRANSMISSION

P1793TRD
- LINKCOMMUNICATIONERROR(Conti
- nuation)

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelmaybethecauseofmanyproblems. All
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
tcohecaknaddjuth
stliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnosticswiththecompletelychargedbattery.
toavoidthdeiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforeperformingthetransmissionsymptomdiagnostics.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:Itisarequirementthatthefailuresofthe1stcyclearecompletelycompletedasaDTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostDTCsareestablishedduringthestartup,butsomedo.
they make when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checkifthelevelofrapidupdateofthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontroml odule.
NOTEV :erifytheapplicableTSBrelatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 Use the DRBIII to read the transmission DTCs. Everyone

DoesanyofthefollowingDTCsalsoappear:P1694,P0731,P0732,P0733,P0734?
oP0736?

Yes→ Ifanyofthesecodesappear,ignoretheDTCP1793andconsult
thelistofsymptomsfortheotherDTC.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 3

3 UsetheDRBIIItochecktheSTARTSFROMSTABLEcounter. Everyone
Birth.
NotT
e:haisccountinognalypplietohslaestablisheD
dTC.
Is the counter of STARTS SINCE ESTABLISHMENT at 0?

Yes→ Goto 4

No→ Goto 9

160
 TRANSMISSION

P1793TRD
- LINKCOMMUNICATIONERROR(Conti
- nued)

TEST ACTION APLIABILITY

4 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromthePCM.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
What is the resistance of the management pair request detection circuit from the
harness connector from the TCM to the harness connector of the PCM.
Is the resistance above 5.0 ohms?

Yes→ Fixanopeninthemanagementrequestdetectioncircuit.
ofby.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 5

5 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromthePCM.
DisconnecttheharnessconnectorfromtheTCM.
NotC
e:hectkhceonnectoCr-slean/repnaifeircessary.
Whatistheresistancebetweengroundandthetorquemanagementrequestdetectioncircuit.
Is the resistance below 5.0 ohms?

Yes→ Repair the pair management request detection circuit.

short to mass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 6

6 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Ignition in ON position, engine stopped.
What is the voltage of the pairing request management detection circuit in the connector
fromtheTCMpaddle.
Is the voltage above 10.5 volts?

Yes→ Repair the pair management request detection circuit in

short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 7

7 Turn off the ignition by putting it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Ignition in the ON position, engine stopped.
What is the voltage of the pair management request detection circuit in the connector?
fromtheTCMclub.
Is the voltage above 7.0 volts?

Yes→ Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 8

161
TRANSMISSION

P1793TRD
- LINKCOMMUNICATIONERROR(Conti
- nuation)

TEST ACTION APAPPLICABILITY

8 Ifnootherpossiblecausesremain,checktherepair. All

Repair
Replace and schedule the control module of the mechanism of
transmission according to the service information.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

9 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforanyopenorshortcircuits.
Have you found any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

162
 TRANSMISSION

Wth
idoaouutbt:
P1794SPEED
- SENSORMASSERROR

Mominverificationandestablishmenctondition:

P1794MASS
- ERROROFSPEEDSENSOR
Verification moment: The gear ratio of the transmission is monitored
constantly while the transmission is in gear.
Establishment condition:After aTCM reset in NEUTRALand
TheInput/Outputisequaltoadriveratiowithrespecttotransmissionof2.50

POSSIBLECAUSES
INTERMITTENTWIRINGANDCONNECTORS
OPENSPEEDSENSORGROUNDCIRCUIT
TCM - SPEED SENSORTABLE

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcouldbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely.
toavoidthd
eiagnostiocfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforecarryingoutthediagnosticsoftransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE:ItisnotedthatthefailuresofthefirstcyclearecompletelytreatedasaDTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
consult the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTC,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomeofthem
they make it so that all the monitors have taken place while driving the vehicle
diagnosis.
NOTE:Checkifthelevelofquickupdateofthecontrolmoduleofthe
translationS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontroml odule.
NOTEW : ithregardtotheapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

163
TRANSMISSION

P1794ERROR
- OFSPEEDSENSORMASS(Conti
- nued)

TEST ACTION APAPPLICABILITY

2 Start the engine in PARK. Everyone
Use the DRBIII to observe the readings of the drive speed sensor and
oftransmission.
Is the transmission speed sensor reading twice the reading of the sensor?
of propulsion speed?

Yes→ Headto 4

No→ Goto 3

3 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. All
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

4 Set the ignition to OFF, in the lock position. All

CAUTION: Disconnect the starter motor relay from the PDC. This will prevent
thth
eanestagm
sn
iratn
eid
arch.
Iinstalledatransmissionsimulator,Millertoolno.8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
Ignition in ON position, engine stopped.
Usethetransmissionsimulatortosettheselectorswitchtotheposition
3000/1250.
PlacetheInput/OutputswitchintheONposition.
Use the DRB III to read the rpm of the drive speed sensors and
transmission.
Is the impulse speed reading of 3,000 rpm and the speed of
transmissionof1,250rpm+/-50rpm?

Yes→ Goto 5

No→ Headto 5

5 Turn off the ignition by putting it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnect the TRS harness connector.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistanceofthegroundcircuitofthedrivespeedsensorfrom
the harness connector of the TCM to the harness connector of the speed sensor.
Is the resistance above 5.0 ohms?

Yes→ Repair an open or high resistance in the ground circuit of the

speed sensor.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 6

164
 TRANSMISSION

P1794SENSOR
- SPEEDMASSERROR(Conti
- nuation)

TEST ACTION APAPPLICABILITY

6 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
Replacethetransmissioncontrolmodule.USETHE
DRB III to carry out a quick learning and
REPROGRAM THE PINION FACTOR.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

165
TRANSMISSION

Wh
tiatok
uanit:g
P1797-REHEATINGOFMANUALCHANGE

Momitshveerificationandconditionoefstablishment:

P1797-REHEATINGOFMANUALSHIFT
Verification moment: Whenever the engine is running and the transmission is
findinAutostickmode.
Condition of establishment: If the engine temperature exceeds 124° C or 255° F or
thetransmissiontemperatureexceeds135°Cor275°FwheninAutoStickmode.
Note: Aggressive driving or operating in low gear for prolonged periods of time in mode
AutoStick will set this DTC.

POSSIBLECAUSES
Manual Transmission Overheating

TEST ACTION APAPPLICABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
thetransmission.Ifthelevelislow,localizeandrepairtheleakandcontinue,
Veriftyhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththebatterycompletely.
toavoidthd eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforecarryingoutthediagnosticsofthetransmissionsymptoms.
Use the DRBIII to read the transmission DTCs. Record all DTCs and
first cycle failures.
NOTE: It was not stated that the 1st cycle courses are completed as a DTC.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Carry out the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsareestablishedatstartup,butsomedo
they conduct the vehicle in such a way that all monitors have taken place
diagnosis.
NOTE:Checkthespeedofupdateofthecontrolmoduleofthe
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithapplicableTSBrselatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

166
 TRANSMISSION

P1797-REHEATINGOFMANUALSHIFT—(Continuation)

TEST ACTION APAPPLICABILITY

2 ThisistheinformativeDTConly. All
Checktheproperfunctioningoftheenginecoolingsystemsandthe
transmission.
Checktheoperationoftheradiatorcoolingfan.
Check the operation of the transmission cooling fan, if
isequipped.
Checkthetransmissionfluidlevel.Makesureitisnotfull.
excess
NOTE:Aggressivedrivingorlowcirculationduringperiods
The roll of time in automatic mode will stabilize this DTC.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

167
TRANSMISSION

Wth
idoaouutbt:
P1799-TEMPOILTEMPERATURECALCULATEDINUSE

Mominthveerificationandconditionoefstablishment:

P1799-TEMPOILTEMPERATURECALCULATEDINUSE
Verification moment:Whenever the engine is running.The DTC is set if
Areanyofthefollowingconditionspresentduringthreeconsecutiveignitionstarts?
Thethermistorvoltageisoutoflimits(below0.70voltsorabove
of 4.94 volts)
Establishment condition: If erratic thermistor voltage is detected, continue-
mind.Thethermistortemperatureremainsbelow27°Cor80°Ffora
prolongedperiodoftime.

POSSIBLECAUSES
DEF.INTERMITTENTWIRINGANDCONNECTORS
OPENSPEEDSENSORGROUNDCIRCUIT
OPENTRANSMISSIONTEMPERATURESENSORSIGNALCIRCUIT
SIGNALCIRCUITOFTHETEMPERATURESENSOROFTHESHORTTRANSMISSIONA
DOUGH
SPEEDSENSORGROUNDCIRCUITSHORTTOVOLTAGE
CIRCUITOFTHETEMPERATURESENSORSIGNALOFSHORTTRANSMISSIONA
TENSION
TRANSMISSIONTEMPERATURESENSORNOTWORKING
TCM - HIGHTRANSMISSIONTEMPERATURE SENSOR
TCM-TRANSMISSIONLOWTEMPERATURESENSOR

168
 TRANSMISSION

P1799-TEMPERATUREOFOILCALCULATEDINUSE(Conti
- nuation)

TEST ACTION APLIKABILITY

1 NOTE:Thelowliquidlevelcanbethecauseofmanyproblems. Everyone
Thetransmission.Ifthelevelislow,locateandrepairtheleakandcontinue.
Chectkhliqeuild
evaeclcordintgohservicneformation.
NOTE:Alwaysperformthediagnoseswiththecompletebattery.
im
sit portantoatvoidthd eiagnosoisfaflsseymptoms.
Use the DRB III to read the engine DTCs. Check and repair all DTCs.
beforeperformingthediagnosticsymptomsofthetransmission.
Use the DRBIII® to read the transmission DTCs. Record all the DTCs and
first cycle failures.
NOTE: It is not clearwhat the failures of cycle 1 are like a DTC completely.
formados.
Usingthewiring/schematicdiagramasaguide,inspectthewiring.
and the connectors. Repair as necessary.
Perform the gear lever position test. If the test is not passed,
check the symptom test for code P0706 Signal check of the
changer.
ForthegearratioDTCs,checkandrecordallCVIs.
MostoftheDTCsaresetduringstartup,butsomedo
they make when driving the vehicle in such a way that all the monitors have taken place
diagnosis.
NOTE:Checktheupdatespeedlevelofthecontrolmodule.
TransmissionS.omp eroblemasrceorrectedthroughupdateosth
fe
softwarienthteransmissioncontrom l odule.
NOTEW : ithregardtotheapplicableTSBrelatedtothesymptom.
Perform this procedure before the diagnosis of symptoms.

Continue
Goto 2

2 UsetheDRBIIItochecktheSTARTCOUNTERFROMESTABLISHMENT Everyone
CHILDBIRTH.
NOTE:ThisreminderonlyappliestothelastestablishedDTC.
Is the counter of STARTS FROM ESTABLISHMENT at 2 or less?

Yes→ Goto 3

No→ Goto 12

169
TRANSMISSION

P1799-TEMPERATUREOFOILCALCULATEDINUSE—(Continuation)

TEST ACTION APAPPLICABILITY

3 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the relay from the starting motor of the PDC. This will prevent
thth
eanestagsn
irtebm
dyean
iagrch.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthekitof
FWD adapter cables, Miller tool no. 8333-1.
Ignition in ON position, engine stopped.
Use the DRB III to observe the temperature voltage of the trans.
In the transmission simulator, place the voltage selector switch at
thermistorinthethreepositions.ComparethereadingoftheDRBIII®withthenumbers
inthetransmissionsimulator.
Choose the one that most resembles your readings.

DRBIIIreadingsalwayshigh.
Goto 4

DRBIIIreadings:simulator±0.25V
Headto 9

DRBIIIreadingsalwayslow
Goto 10

ErraticDRBIIIreadings.
Goto 12

4 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnect the TRS harness connector.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistanceofthegroundcircuitofthespeedsensorfromtheconnectorof
cablefromtheTCMconnectortotheTRSharnessconnector.
Is the resistance above 5.0 ohms?

Yes→ Repairthegroundcircuitoftheopenspeedsensor.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 5

5 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
DisconnecttheharnessconnectorfromtheTRS.
NotV
e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
What is the resistance of the circuit of the temperature sensor signal?
transmissionfromtheTCMharnessconnectortotheTRSharnessconnector.
Is the resistance above 5.0 ohms?

Yes→ Repairanopeninthetemperaturesensorsignalcircuit.
transmissionfailure.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Addressto 6

170
 TRANSMISSION

P1799-TEMPOILTEMPERATURECALCULATEDINUSE—(Continuing)

TEST ACTION APAPPLICABILITY

6 Put the ignition to OFF, in the lock position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnect the TRS harness connector.
RemovethecontrolrelayofthePDCtransmission.
NotC
e:hectkhceonnectoCr-slean/repnaifeircessary.
ConnectajumpercablebetweenB(+)protectedbyafuseandtherelayoutputcircuit.
oftransmissioncontrolattheconnectorofthetransmissioncontrolrelayofthe
PDC.
Ignition in ON position, engine stopped.
Whatisthevoltageofthegroundcircuitofthespeedsensorontheharnessconnector?
TCM.
Is the voltage above 0.5 volts?

Yes→ Repair the ground circuit of the speed sensor in short to

tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 7

7 Turn the ignition OFF, in the locking position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
RemovethetransmissioncontrolrelayfromthePDC.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Connect a jumper cable between the B(+) circuit protected by fuse and the circuit of
output of the transmission control relay in the control relay connector
transmissionofthePDC.
Ignition in the ON position, engine stopped.
Whatisthevoltageofthetemperaturesensorsignalcircuitinthetransmission?
intheharnessconnectoroftheTCM.
Is the voltage above 8.0 volts?

Yes→ Repair the circuit of the temperature sensor signal of the

shorttransmissionatvoltage.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 8

8 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
ReplacetheTCM.USETHEDRBIIITOCARRYOUTA
FAST LEARNING AND REPROGRAM THE FAC-
TORDELPIÑON.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

9 Iftherearenootherpossiblecauses,seetherepair. Everyone

Repair
If the temperature readings are correct with the simulator
installed,theproblemmustbeinternal.Replacethesetof
TRS as needed.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

171
TRANSMISSION

P1799-TEMPERATUREOFOILCALCULATEDINUSE—(Continuity)

TEST ACTION APAPPLICABILITY

10 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheTCM.
Disconnect the TRS harness connector.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthetemperaturesensorsignalcircuit?
thetransmission.
Is the resistance below 5.0 ohms?

Yes→ Repair the temperature sensor signal circuit of the

shorttransmissiontomass.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 11
11 Iftherearenootherpossiblecauses,lookattherepair. Everyone

Repair
ReplacetheTCM.USETHEDRBIII®TOPERFORMA
FAST LEARNING AND REPROGRAMMING THE FAC-
TOROFTHEPINION.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

12 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotmet. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

172
 TRANSMISSION

Nw
oay:
THE REVERSE LIGHTS TURN ON WITHOUT THE
SWITCHTHISINREVERSEPOSITION

POSSIBLECAUSES
REVERSE LIGHTSALWAYS ON
DEF.INTERMITTENTWIRINGANDCONNECTORS
REVERSE LIGHT POWER CIRCUIT SHORTTO GROUND

TEST ACTION APAPPLICABILITY

1 Ignition in ON position, engine stopped. Everyone
Apply the brakes firmly.
Put the gear lever in the position that activates the running lights
backtobelitinapositionthatisnotREVERSE.
Do the reverse lights turn on when the gear lever is not
find in the REVERSE position.

Yes→ Goto 2

No→ Goto 4

2 Ignition in the ON position, engine off. All

Put the gear lever in the position that activates the turn signals
backlightturnsoninapositionthatisnotREVERSE.
Disconnect the TRS harness connector.
NOTE:ThiswilcauseaDTCP0706tobestoredandpossiblyothers.
DTCintheTCMT . heseDTCshouldbeerasedbeforereturningthevehicle.
to the client.
Havethereverselightsturnedoffwhentheharnessconnectorisdisconnected?
TRS?

Yes→ Replace the transmission position sensor.

Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 3

3 Turn off the ignition by placing it in the LOCK position. All

DisconnecttheTRSharnessconnectorfromthetransmission.
NOTEC : lean/repairtheconnectorasn
secessary.
Ignition in ON position, engine stopped.
Whatisthevoltageofthereverselightpowercircuitattheconnector?
oftheTCMstick.
Is the voltage above 0.5 volts?

Yes→ Repair the reverse light power circuit in

short to tension.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

173
TRANSMISSION

*THE REVERSE LIGHTS TURN ON WITHOUT THE SWITCH BEING ON

REVERSE POSITION — (With continuation)
TEST ACTION APAPPLICABILITY
4 Atthismomenttheconditionisnotbeingmet. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforanyopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

174
 TRANSMISSION

Wth
idoaouutbt:
REVERSE LIGHTS NOT WORKING

POSSIBLECAUSES
LEFTREVERSELIGHTBULBOPEN
RIGHTREVERSELIGHTBULBOPEN
DEF.INTERMITTENTWIRINGANDCONNECTORS
OPEN REVERSE LIGHTS GROUND CIRCUIT
REVERSE LIGHTS POWER SUPPLYCIRCUIT OPEN
OUTPUTCIRCUITOFTHEFUSEDIGNITIONSWITCH
OPEN
BACKUPLIGHT POWER CIRCUIT SHORTED TO GROUND
TRANSMISSIONPOSITIONSENSOR

TEST ACTION APLIABILITY

1 Ignition in ON position, engine stopped. Everyone
Placeyourfootfirmlyonthebrakepedal.
Put the gear shift in the REVERSE position.
Does any of the reverse lights work?

Yes→ Headtowards 2

No→ Goto 3

2 Atthismoment,theconditionisnotbeingmet. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
specific connectors of this circuit.
Movethewiringwhilecheckingforanyopenorshortcircuits.
Have you encountered any problems?

Yes→ Repairwhatisnecessary.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

3 Removetheleftreverselightbulb. Everyone
Whatistheresistanceofthereverselightbulb.
Is the resistance above 5.0 ohms?

Yes→ Replacethereverselightbulb.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 4

4 Removetherightreverselightbulb. Everyone
Whatistheresistanceofthereverselightbulb.
Is the resistance above 5.0 ohms?

Yes→ Replacethereverselightbulb.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Headto 5

175
Transmission

REVERSE LIGHTS NOT WORKING — (Continuation)

TEST ACTION APApplicability

5 Turn off the ignition by placing it in the LOCK position. Everyone
CAUTION: Remove the relay from the engine starter of the PDC. This will prevent
thth
eanestagm
sn
iratn
eid
arch.
Iinstalledatransmissionsimulator,MillertoolNo.8333andthesetof
FWD adapter cables, Miller tool no. 8333-1.
Ignition in ON position, engine stopped.
Pressthereverselighttestbuttononthetransmissionsimulator
whilewatchingthereverselights.
Hasanyofthereverselightsturnedon?

Yes→ Goto 6

No→ Goto 7

6 Iftherearenootherpossiblecauses,checktherepair. Everyone

Repair
Replace the transmission position sensor.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

7 Removethereverselightbulb. Everyone
Use a 12-volt test light connected to 12 volts to check the
reverse light ground circuit at the reverse light socket.
NOTE:The test light must be illuminated with intensity. Compare this.
in
ted
alw
u
iezsn
itith
thd
aeirectonnection
tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 8

No→ Repairanopenorhighresistanceinthelightgroundcircuit
ofreverse.
Perform TRANSMISSION VERIFY TEST
41TE - VER 1.

8 Turn off the ignition by putting it in the LOCK position. Everyone

Removethereverselightbulb.
DisconnecttheTRSharnessconnectorfromthetransmission.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
What is the resistance of the reverse light circuit from the
reverselightsockettotheTRSharnessconnector.
Is the resistance above 5.0 ohms?

Yes→ Repair an open circuit in the lighting power supply

reverse
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Goto 9

176
 TRANSMISSION

REVERSE LIGHTS THAT DO NOT WORK — (Continuing)

TEST ACTION APAPPLICABILITY

9 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheTRSharnessconnectorfromthetransmission.
Ignition in ON position, engine off.
Usea12-volttestlightconnectedtogroundtocheckthecircuit.
output of the ignition switch protection by fuse in the harness connector
TRS.
NOTE:The test light must illuminate with intensity. Compare this
In
tegnitiv,eysou
d
airectonnection
tohbeattery.
Doesthetestlightturnonbrightly?

Yes→ Goto 10

No→ Repair an open in the output circuit of the switch.

Poweronprotectionbyfuse.Ifthefuseisopen,makesureto
check if there is a short to ground.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

10 Turn the ignition to OFF, in the locked position. Everyone

Removethereverselightbulb.
DisconnecttheTRSharnessconnectorfromthetransmission.
NotV
e:eriftyhceonnectioC
n-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthereverselightcircuit.
Is the resistance below 5.0 ohms?

Yes→ Repair the reverse light power circuit in

Short to ground. Check the fuse, and replace it if necessary.
sario.
Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

177
TRANSMISSION

Wtihotoaunte:
Verification of Switch Operation
PARKING/NEUTRAL

POSSIBLECAUSES
POSITION SWITCH DETECTION CIRCUITP/N OPEN
POSITIONSWITCHDETECTIONCIRCUITP/NSHORTEDTOGROUND
TRANSMISSIONPOSITIONSENSOR
PCM - POSITION SWITCH P/N

TEST ACTION APAPPLICABILITY

1 Set the ignition to the ON position. Everyone
Use the DRB III to read the status of the position switch input
parking/neutral.
While moving the gear selector through all the gear positions, from
PARK a 1 and back to PARK, observe the DRB III visual.
Have you visualized the DRB III P/N and D/R in the correct gear positions?

Yes→ Full test.

No→ Goto 2

2 Put the ignition in the OFF position. Everyone

DisconnecttheharnessconnectorsfromthePCM.
Disconnect the harness connector from the transmission position sensor.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
What is the resistance of the position switch detection circuit P/N.
Is the resistance below 5.0 ohms?

Yes→ Goto 3

No→ Fix an open in the detection circuit of the switch.

P/N position.

3 Put the ignition in the OFF position. Everyone

DisconnecttheharnessconnectorsfromthePCM.
Disconnect the harness connector from the transmission position sensor.
NotV
e:eriftyhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweengroundandthepressureswitchdetectioncircuit
ofP/N.
Is the resistance above 100 k-ohms?

Yes→ Goto 4

No→ RepairthepositionswitchdetectioncircuitP/Nin
short to mass.

178
 TRANSMISSION

VERIFICATION OF OPERATION OF THE PARKING SWITCH/

DEAD END — (With continuation)
TEST ACTION APAPPLICABILITY
4 Put the ignition in the OFF position. Everyone
DisconnecttheharnessconnectorsfromthePCM.
Movethegearselectorthroughallthegearpositions,fromPARK
tothe1standviceversa.
Whilemovingthegearselectorthrougheachgear,measuretheresistance.
betweenthemassandthepositionswitchdetectioncircuitP/N.
Has the resistance changed from more than 10.0 ohms to less than 10.0 ohms?

Yes→ Goto 5

No→ Replace the transmission position sensor.

5 Iftherearenootherpossiblecauses,checktherepair. All

Repair
Using the service information, replace and schedule the
control module of the transmission mechanism.
Carry out the TEST OF VERIFICATION OF THE MECHANISM OF
TRANSMISSION-VERSION2.

179
TRANSMISSION

Satm
oiyt e:
TRANSMISSION FLUID LEVEL INCORRECT

POSSIBLECAUSES
INCORRECTLIQUIDLEVEL

TEST ACTION APAPPLICABILITY

1 Todouble-checkthefluidlevel,thetransmissionmustbeabove21degreesC Everyone
(70degreesF).Ifthefluidlevelisadjustedwiththetransmissioncold,thetransmission
itwillbefilledexcessively.
Check the transmission fluid level according to the Information of
service.
Is the liquid level correct?

Yes→ Complete test.

No→ Adjust the liquid level. Repair the cause of the liquid level.
incorrect.

180
 TRANSMISSION

WITHOUT MANUAL OPERATION OF THE AUTOSTICK

POSSIBLECAUSES
OUTPUTCIRCUITOFTHEFUSEDIGNITIONSWITCH
OPEN
OPEN LOOPCIRCUIT
OPENASCENDING/DESCENDINGSWITCHINGCIRCUITS
CIRCUITSFORDETECTINGRISING/FALLINGCHANGEINSHORT
ATENSION
AUTOSTICK SWITCH
TCM-AUTOSTICK

TEST ACTION APAPPLICABILITY

1 Turn off the ignition by placing it in the LOCK position. Everyone
DisconnecttheharnessconnectorfromtheAutostick®switch.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Put the ignition in the ON position.
What is the voltage of the rising and falling edge detection circuits?
descendantintheAutostick®harnessconnector.
Is the voltage above 10.0 volts?

Yes→ Goto 2

No→ Headto 6

2 Turn off the ignition by placing it in the LOCK position. Everyone

Disconnect theAutostick® harness connector.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Ignition in the ON position, engine stopped.
Whatistheoutputcircuitvoltageoftheignitionswitchprotectedbyafuse?
the Autostick® harness connector.
Is the voltage above 10.0 volts?

Yes→ Goto 3

No→ Repairtheoutputcircuitoftheprotectedpowerswitch
for fuse in open.

3 Put the ignition in OFF, in the lock position. Everyone

Disconnect theAutostick® harness connector.
NotC
e:hectkhceonnectioC
n-slean/repaan
irsecessary.
WhatistheresistancebetweengroundandtheAutostick®groundcircuitintheconnectorof
Autostick®gearstick.
Is the resistance above 5.0 ohms?

Yes→ Repairtheopengroundcircuit.

No→ Goto 4

181
TRANSMISSION

WITHOUT MANUAL OPERATION OF THE AUTOSTICK — (Continuation)

TEST ACTION APLIABILITY

4 Turn off the ignition by placing it in the LOCK position. All
DisconnecttheharnessconnectorfromtheTCM.
Disconnect theAutostick® harness connector.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
Whatistheresistancebetweentheoutputcircuitsoftheignitionswitch?
fusable and detecting ascending and descending change in the harness connector
Autostick®.
Is the resistance below 5.0 ohms?

Yes→ Repair the rising edge and/or change detection circuit.

descendantinshorttotension.

No→ Goto 5

5 Turn off the ignition by placing it in the LOCK position. Everyone

ReplacetheAutostick®switch.
Ignition in ON position, engine stopped.
Use the DRB III to clear the DTCs.
Start the engine.
While driving the vehicle, make several upshifts and downshifts.
usingtheAutostick®.
DoesthevehicleshiftcorrectlyusingtheAutostick®?

Yes→ Full test.

No→ Goto 7

6 Turn off the ignition by placing it in the LOCK position. Everyone

DisconnecttheharnessconnectorfromtheTCM.
Disconnect theAutostick® harness connector.
NotC
e:hectkhceonnectoCr-slean/repaan
irsecessary.
What is the resistance of the detection circuits for upward and downward change?
descendantbetweentheharnessconnectoroftheTCMandtheharnessconnectorofAutostick™.
Is the resistance above 5.0 ohms?

Yes→ Repairanopencircuitintheupwardchangedetectioncircuit.
y/o downward change.

No→ Addressto 7

7 Iftherearenopossiblecauses,seetherepair. Everyone

Repair
Replaceandprogramthetransmissioncontrolmodule
Agreement with the service information. USE THE DRB III®
TO ACHIEVE RAPID LEARNING AND RETURN TO
PROGRAMTHEPINIONFACTOR.

182
 TRANSMISSION

Yetas,kite.
NO SPEEDOMETER FUNCTIONING

POSSIBLECAUSES
THEVELOCIMETERISNOTWORKING

TEST ACTION APLIABILITY

1 Use the DRB III to check the pinion factor adjustment in the TCM. Everyone
Is the pinion factor missing or has it been set incorrectly?

Yes→ A possible cause is that the pinion factor has not been established.
intheTCMorthathasbeenincorrectlyestablished.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Complete test.

183
TRANSMISSION

Wth
idoaouutbt:
NOISY TRANSMISSION WITHOUT THE PRESENCE OF DTC

POSSIBLECAUSES
INCORRECTLIQUIDLEVEL
INTERNALTRANSMISSIONPROBLEM-NOISE
INTERNALTRANSMISSIONPROBLEM-NOISEWITHTHEVEHICLESTOPPED

TEST ACTION APAPPLICABILITY

1 Check the transmission fluid level according to the information of Everyone
service.
Is the liquid level correct?

Yes→ Goto 2

No→ Adjust the fluid level and repair the cause that causes it to be.
incorrect.

2 Place the vehicle on a lift. Everyone

WARNING:MAKESURETOKEEPHANDSANDFEETAWAY
TWOOFTHEWHEELSTHATTURN.
Makethevehicleoperateunderthenecessaryconditionstoreproducethenoise.
NOTE:Itmaybenecessarytocarryoutatestdriveofthe
aImgoingtostopreproducingthenoise.
Use headphones for chassis or another suitable device for listening to
check the source of the noise.
Does the noise come from the transmission?

Yes→ Headto 3

No→ Complete test.

3 With the gear lever in NEUTRAL, raise the engine speed and pay attention Everyone
Pay attention if the noise occurs.
NOTE:THERADIOMUSTBETURNEDOFF.Thenoisefromthealternatorcanbe
thelyricporthehighvoicesandinterpretthemselvesaschirpingofthe
GootrdansmissioT
nh
.caishnappenvew
nliothw
volume.
Does the noise increase or change in tone as the motor speed changes?

Yes→ Goto 4

No→ Goto 5

4 Ifnootherpossiblecausesremain,seetherepair. Everyone

Repair
Repairtheinternaltransmissionproblemasneeded.
Inspect all transmission components for
signsofwear.Ifnoproblemsarefound,replacethe
transmissionoilpump.

5 Iftherearenootherpossiblecauses,checktherepair. All

Repair
Fixtheinternaltransmissionproblemasneeded.
Inspect all the transmission components for
signs of wear. Pay special attention to the bearings, pinion-
Insatellite,etc.Repairorreplaceasneeded.

184
 TRANSMISSION

Wth
iotauktn
iag
PREMATURITY CHANGES IN THE TRANSMISSION WITHOUT PRESENCE
OFTHEDTC

POSSIBLECAUSES
PROBLEMONTHEBUS
CHECKIFTHEREISAINTERMITTENTDEFECTINTHEWIRINGANDCONNECTORS
COLDTRANSMISSION

TEST ACTION APELIGIBILITY

1 Use the DRB III to check the rest of the modules for signs of Everyone
PCI bus problems, such as DTC related to the bus and/or problems with
communication.
Check and diagnose all 1 cycle faults with a permanent code.
Although the lack of TRD link message must occur twice for it to
settheDTCP1793,thelackofamessagewillcausethetransmissiontoperform
short changes until the next start-up. If the vehicle shows any
busproblemsign,thismustberepairedfirst
Does any of the other modules show signs of a bus problem?

Yes→ FixtheproblemonthePCIbus.
Carry out TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Proceedto 2

2 NOTE:Ifthetransmissionchangestoomuchwhenit'scoldit,sconsidered Everyone
a normal condition. The software is designed to protect the
transmissionbeforcehangew
sithighrpmand/odruringfunctioning
in a tone to make him cold.
Did the problem occur when the transmission temperature was cold?

Yes→ Itisanormalcondition.
Perform TRANSMISSION VERIFICATION TEST
41TE-VERSION1.

No→ Goto 3

3 Atthismoment,thenecessaryconditionstoestablishtheDTCarenotoccurring. Everyone
Use the schematic diagram as a guide to inspect the wiring and the
connectors. Move the cables while checking for open or short circuits.
short.
Although the lack of TRD link message must occur twice for it to
SetDTCP1793,thelackofamessagewillcausethetransmissiontoperform
short changes until the next startup. If the vehicle shows any
busproblemsign,itmustberepairedfirst
Have you encountered any problems?

Yes→ Repair the wiring and/or connectors as necessary.

Perform TRANSMISSION VERIFICATION TEST
41TE - VER 1.

No→ Complete test.

185
TRANSMISSION

Withouytou:
THE TRANSMISSION SIMULATOR 8333 DOES NOT ACTIVATE

TEST ACTION APAPPLICABILITY

1 NOTE:Ifthesimorthedordeofthetransmission,toolMilerNo.8333isnot All
active, this is a symptom that the transmission relay is open, as
hitappenin
fsailurm
e odaen
, d/oth
rcisan
alsb
oaen
i dication
that
thesimandthetransmissiondordhavenotbeeninstalledcorrectlyinthe
aImhere.
NOTEC : hecktheconnectionotfhesimulator'p sowercable.
NOTE: With p r u e be all the connections of the simulation of the
transmission.
Repair these symptoms before considering the repair of the simulator of the
transmission,Millertoolno.8333.

Continue
Completetest.

186
 VERIFICATION TESTS

Verification Tests
TRANSMISSION VERIFICATION TEST 41TE - VERSION 1 APAPPLICABILITY
1. Connect the DRBIII to the data link connector (DLC). Everyone
Reconnectalldisconnectedcomponents.
3.UsetheDRBIIItoclearalltheDTCsfromthetransmission,alsocleartheDTCsfromthe
PCM.
4.NOTE:ErasetheDTCP0700fromthePCMtoturnofftheindicatorlight.
I have to correct it once the transmission repairs have been completed.
5.UsetheDRBIII(r)tovisualizethetransmissiontemperature.Startthe
run the motor and let it run until the transmission temperature is HOT,
above 43ºC or 110° F.
6. Check the transmission fluid level and adjust it if necessary. For
togetinformationabouttheliquidfillingprocedure,pleaserefertotheServiceInformation.
7.NOTE:Ifthetransmissioncontrolmodulehasbeenrepairedorreplaced
Thetransmissionisnecessarytocarryouttherapidlearningprocedure.
DRBIIIandestablishthepinefactor
8.Conductaroadtestofthevehicle.UsetheDRBIII®toobservetheRPMofthe
motor. Make fifteen to twenty upward shifts 1-2, 2-3 and 3-4. Perform these shifts.
starting from a parking position to reach 72 km/h (45 mph) with a
constantopeningofthethrottlebutterflyfrom20to25degrees.
9.Atlessthan40KM/H(25MPH),make5to8pullsin1stgearwiththethrottleopen.
Accelerator fully open. Let at least 5 seconds pass in 2nd and 3rd.
withdrawn march.
10.ForaspecificDTC,drivethevehicleundertheconditionsofVerificationMoment/
MomentofestablishingthesymptomtoverifythattheDTChasbeenrepaired.
11.IfthevehicleisequippedwithAutoStick™,duringtheroadtestperformseveral
upward and downward changes using the AutoStick® feature.
12.NOTE:UsetheOBDIItaskadministratorofEATXtoexecutethe
goocdyctilm
eienacm
harcT
h.hw
iscoilnfirm
theefectiveneotshsfe
reparation and that the DTC has not returned to be formed.
13. Check if fault diagnostic codes (DTC) appear during the test.
road. If a DTC is set during the road test, return to the symptom list.
andcarryouttheappropriatesymptom.
HasanyDiagnosticTroubleCode(DTC)beensetduringtheroadtest?

Yes→ Check the list of symptoms to learn about the symptom or

appropriatesymptoms.

No→ The repair is complete.

187
VERIFICATION TESTS

Verification tests — (Continuation)

TEST OF VERIFICATION OF THE TRANSMISSION MECHANISM VER - 2 APAPPLICABILITY

1. NOTE: If the PCM has been replaced and the VIN has not been programmed Everyone
kilometers are correct, a DTC will be established in the ABS module, the module of
air bags and skim.
2N
. OTE:Ifthevehicleisequippedwithakeylessimmobilizersystem,
Thepasswordsmustbeupdated.Consulttheinformationrelatedto
programming of the PCM, SKIM and transponder (key ignition) in the Information
of service.
Inspect the vehicle to ensure that all components related to the
repairs have been connected correctly.
4.UsetheDRBIIItoerasetheDTCsandresetallenginevaluesinmemory.
5. Run the engine for a warm-up cycle to confirm that its
functioning is correct.
6. Carry out a road test of the vehicle. Use all related accessories.
thisrepair.
7. Use the DRB III to confirm that no DTCs or secondary indicators are present.
and that all the components are functioning correctly.
8.Ifthistestisconductedafteranunrecordedfaultcodetest,check
thatthesymptomnolongerexists.
9. If the symptom continues to exist, or if there is any other symptom or DTC, consult the category.
appropriate and carry out the corresponding symptom
10. Consult any applicable service bulletin.
11.IfthereisnoDTCandallcomponentsarefunctioningcorrectly,therepair
it is complete.
Is there any DTC?

Yes→ Therepairisnotcomplete,pleaseconsulttheappropriatesymptom.

No→ The repair is complete.

188
 LOCATION OF COMPONENTS
L
8.0 LOCATION OF COMPONENTS O
C
A
8.1AUTOSTICKSWITCH L
I
Z
A
MECHANISM OF C
CAR SWITCH
CHANGE OF I
TICK
MARCHES O
N

D
E

C
O
M
P
O
N
SHIFT LEVER OF E
MARCHES N
T
E
S

8.2CONTROLMODULEOFTHETRANSMISSIONMECHANISM
CONTROL SERVO OF
SPEED

CONTROL MODULE OF CONTROL MODULE OF

THE TRANSMISSION
TRANSMISSION MECHANISM
MISSION

8.3LOCATIONSOFTHEPRESSUREORIFICE
GEAR CLUTCH
CONVERTER OF BACK/LOW
OVERDRIVE CLUTCH
BY DEACTI-
I GO

SUBMULTI CLUTCH SEA CLUTCH

APPLICATION BACK CHA CLUTCH 2/4

189
 LOCATION OF COMPONENTS
L
O
C
8.4LOCATIONOFTRANSMISSIONCOMPONENTS
A
L INPUT SPEED SENSOR
I OUTPUT SPEED SENSOR
Z
A
C
I
O
N

D
E

C
O
M
P
O
N
E
N
T PRESSURE SWITCH ASSEMBLY POSITION SENSOR OF
E Transmission Solenoid THE TRANSMISSION
S

8.5TRANSMISSIONCONTROLMODULE
CONTROL SERVO OF THE
SPEED

CONTROL MODULE OF CONTROL MODULE OF

MECHANISM OF THE TRANS- THE TRANSMISSION
MISSION

190
 Connector Pins
9.0 CONNECTOR SPIKES
AUT
OS
C
TIK
SW
B
TC
L
IA
H
-C
W
K
4A
Y
CAV CIRCUIT FUNCTION
BLACK 1 T4420YL(JR27) DETECTIONOFTHEDOWNSTREAMSWITCH
AUTOSTICK
1 T4420YL/LB(JR41) DETECTIONOFTHEDOWNWARDSWITCHCHANGEROF
AUTOSTICK
2 T520LG(JR27) DETECTIONOFTHEUPWARDCHANGESWITCH
AUTOSTICK
CAR SWITCH- 2 T520LG/LB(JR41) DETECTIONOFTHEUPWARDSHIFTSWITCHOF
TICK AUTOSTICK
3 Z19120BK DOUGH
4 F11 20RD/WT OUTPUT OF THE IGNITION SWITCH PROT. BY FUSE
(OFF-RUN-START)

BODYCONTROLMODULEC3-GRAY16CHANNELS
CAV FUNCTIONCIRCUIT
1 D2520OR BUSPC
(IM)
2 D2518YLV
/T BUSP
A
C
(BS
I)
3 D2520VTY
/L BUSP
TC
(M
I)
4 V5520TNR
/D DETECTIONOFCLEANERSTANDBYSWITCH
GRAY Forward
5 V1420RDV
/T O
O
N/FC
ON
TR
OO
LFR
ON
TW
P
E
IR
E
S
6 V1620VTP
/K C
ON
TR
OO
LF
G
H
IL
H
O
/WR
EL
A
Y
FOR
F
RON
T
WP
E
IR
P
7 - - I
8 - - G
9 V5818BRY
/ L(JR41FA- H
EA
D
GL
IH
T
WAS
HE
RR
EL
A
Y
CON
T
ROL A
CONTROL MODULE C3 BRICKED FOR THE EX- S
FROM THE BODYWORK CARRYING)
10 V1018BR CONTROL
OFTHEFRONTW
ASHERPUMPMOT
OR D
11 - - E
12 - -
C
13 Z13218BK MASS
O
14 - - N
15 - - E
16 P34018LG/YL BATTERY SUPPLY C
T
O
BRAK
G
L
E
IH
S
TW
T
GC
IR
H
-A
6
Y
WAY R
GRAY CAV CIRCUIT FUNCTION
1 K2920WTP
/K DETECTIONOFTHEBRAKESWITCH
2 Z24120BK/LG DOUGH
3 V3220YLR
/D ELECTRIC POWER SUPPLY FOR SPEED CONTROL
LIGHT SWITCH 4 V3020DBR
/D OUTPUT OF THE SPEED CONTROL BRAKE SWITCH
OF BRAKES DAD
5 L5016WTT
/N BRAKE LIGHT SWITCH OUTPUT
6 A716RDB
/K B(+) FUSIBLE PROT.

WHITE

LOCK
SOLENO
D
O
IT
FHE
GEAR
SH
FL
T
IEVER
ACTUA
TED
BY
THE
PEDAL
THEBRAKE
W
-H
TE
I2W
AYS
CAV CIRCUIT FUNCTION
1 K2918WTP
/ K(JR27) BRAKESWITCHDETECTION
1 K2920WT/PK(JR41) BRAKESWITCHDETECTION
2 F20 20WT OUTPUT OF IGNITION SWITCH PROTECTED BY FUSE
LOCKING SOLENOID OF THE
(RUN)
GEAR SHIFT LEVER
PEDAL-ACTIVATED BIOS
OF THE BRAKE

191
 Connector Pins
C104 (EATX) - LIGHT GRAY (SIDE OF THEAUTOMATIC TRANSMISSION CASE)
CAV CIRCUIT
LIGHT GRAY 1 T920ORB
/ K(JR27)
1 T918ORB
/ K(JR41)
2 T5418VTY
/L
3 T4120BKW
/T
4 -
5 T1616RD
6 T1918WT
7 T4120BKL
/B
C104 (EATX)
8 T5018DG
9 T5918PK
10 T6018BR

C104 (EATX) - LIGHTGRAY(SIDE OF THE LIGHTAND PANEL)

LIGHT GRAY CAV CIRCUIT
1 T918ORB
/K
2 T5418VTY
/L
3 T4120BKW
/T
4 -
5 T1616RD
E 6 T1918WT
S 7 T4120BKL
/B
P
8 T5018DG
I C104 (EATX)
G 9 T5918PK
A 10 T6018BR
S

D C105 (EATX) - BLACK (SIDE OFAUTOMATIC TRANSMISSION CASE)

E BLACK
CAV CIRCUIT
1 F20 18WT
C 2 T120LGB
/K
O 3 T318VT
N
4 T1318DBB
/K
E
C 5 T1418LG/WT
T 6 T2018LB
O 7 T4220VTW
/T
R C105 (EATX) 8 T4718YLB
/K
9 T5218RDB
/K
10 L118VTB
/K

C105(EATX)-BLACK(SIDEOFTHEHEADLIGHTANDDASHBOARD)

BLACK CAV CIRCUIT

1 F20 18WT
2 T120LGB
/K
3 T318VT
4 T1320DBB
/K
5 T1420LG/WT
6 T2018LB
7 T4218VTW
/T
8 T4718YLB
/K
C105 (EATX)
9 T5220RDB
/K
10 L118VTB
/K

192
 Connector pins
D
A
N
T
AL
K
IC
ON
NE
C
TO
B
RL
-A
CK
N
1
6
P
SI
CAV CIRCUIT FUNCTION
1 - -
2 D2520VTG
/Y PC
Bu
Is
3 - -
4 Z30520BKY
/L DOUGH
5 Z30620BKV
/T DOUGH
BLACK
6 D2020LG RECEPTIONOFSCI
7 D2120PK SCI TRANSMISSION
8 F11 20RD/WT SWITCH OUTPUT PROT. BY FUSE
(OFF-RUN-START)
9 D1920VTO
/R ACTIVATION OFTHE FLASHER OFTHE CONTROLMODULE
LINK CONNECTOR OF
THEBODYWORK
DATA
10 - -
11 - -
12 - -
13 - -
14 D620PKL
/B RECEPTIONOFSCI
15 - -
16 M120PK B(+) PROT. FUSIBLE

E
GRAY
S
P
SPEEDSENSOROUTPUT
G
-RAY2WAYS I
CAV FUNCTIONCIRCUIT G
1 T1318DBB
/K SENSOR
SPEED
MASS A
2 T5218RDB
/K S
E
NS
OR
SP
E
ED
PU
L
SE
G
S
IN
A
L S
SENSOR OUTPUT
SPEED
D
E

C
O
N
E
C
T
O
R

193
 Connector pins

TOP PART OF THE CONNECTION BOARD

E PERFORMANCE RELAY
S PAIN OF LUNETTE TRA-
P WILL BE
I
G
A
S

D
E

C
O
N
E
C
T
O
R

HORN RELAY
RELE OF
DELAY OF
Lighthouses

BODY CONTROL MODULE

CONNECTIONS BOARD

CONTROL MODULE
FROM THE BODYWORK

194
 Connector pins
FUSET
S
(C)
AMPS CIRCUITPROTECTEDBYFUSE FUNCTION
BLENo.
1 30A C112DG (ATC) IGNITION SWITCH OUTPUT PROTECTED BY FUSE
(RUN)
1 30A C114DG (MTC) OUTPUT OF THE IGNITION SWITCH PROTECTED BY FUSE
(RUN)
2 10A INTERNAL RIGHT ROAD LIGHT EXIT PROTECTED BY FUSE
3 10A L3318LG/BR LEFT ROAD LIGHT OUTPUT PROTECTED BY FUSE
4 15A INTERNAL OUTPUT OF IGNITION SWITCH PROT. BY FUSE
(RUN)
5 10A INTERNAL B(+) FUSIBLE PROT.
6 10A INTERNAL DEFOGGER RELAY OUTPUT REAR WINDOW
F
U
SE
P
RO
.T
7 20A INTERNAL B(+) FUSIBLE PROTEIN
8 20A INTERNAL B(+) FUSIBLE PROT.
9 15A INTERNAL B(+) FUSIBLE PROT.
10 20A INTERNAL(EXCEPTFORPRODUCTSMANUFACTUREDFOREXPORT) B(+) FUSIBLE PROT.
10 20A L2520BR(MANUFACTUREDFOREXPORT) B(+) PROT.WELDABLE
11 10A INTERNAL POWER SWITCH OUTPUT PROTECTED BY FUSE
(OFF-RUN-START)
12 10A INTERNAL LEFT TURNING LIGHT OUTPUT PROTECTED BY FUSE
13 20A INTERNAL RIGHT TURN SIGNAL LIGHT PROTECTED BY FUSE
14 10A X1218RDW
/T OUTPUT OF IGNITION SWITCH PROT. BY FUSE E
(RUN-ACC) S
15 10A INTERNAL IGNITION SWITCH OUTPUT PROT. BY FUSE P
(RUN-ACC) I
16 10A F23 20DB/YL OUTPUT OF IGNITION SWITCH PROTECTED BY FUSE G
(RUN) A
17 10A F14 20LG/YL OUTPUT OF IGNITION SWITCH PROT. BY FUSE
(RUN-START)
17 10A F14 18LG/YL OUTPUT OF THE IGNITION SWITCH PROTECTED BY FUSE D
(RUN-START) E

C
O
BLACK
N
LEFTREVERSEL
G
IHT
B
-LACK2WA
YS E
CAV CIRCUIT FUNCTION C
1 Z14918BK(JR27) DOUGH T
O
1 Z15018BK(JR41) MASS
R
REVERSE LIGHT 2 L118VTB
/K REVERSE LIGHT POWER SUPPLY
LEFT

GRAY

SPEEDSENSOROUTPUT
G
-RAY2WAYS
CAV FUNCTIONINGCIRCUIT
1 T1318DBB
/K SENSOR
SPEED
MASH
2 T1418LG/WT T
R
ANS
M
S
OS
IN
S
PE
ED
S
EN
SO
R
GS
IN
A
L
SENSOR OUTPUT
SPEED

195
 Connector Pins
Voltage Distribution Center

STOP RELAY VENTILATION RELAY OF

AUTOMATIC HIGH SPEED RADIATOR.

WASHER RELAY FOG LIGHT RELAY

Fan Relay
FAROS (JR41) BACK (EXPORT)
LOW SPEED RADIATOR
(JR27)

RELAY OF
RELE OF ON/OFF OF
CLUTCH OF WASHER
FORWARD
E A/C Compressor

S
P SPARE PART HIGH RELAY/
I Lava drop
G DOR
A FORWARD

D
E

C
O
N
E
C
T
O PUMP RELAY OF
R Combustible

MOTOR RELAY OF CONTROL RELAY OF

START THE BROADCAST

196
 Connector pins
FUSEP
S
(DC)
FUSI- AMPS FUSEDPROTECTIONCIRCUIT FUNCTION
BLENo
1 40A A212PKB
/K B(+) PROT.FUSIBLE
2 20A F30 16RD B(+) FUSIBLE PROT.
3 30A A5314RDY
/ L(JR41MANUFACTUREDFOREXPORT) B(+) FUSIBLE PROT.
4 40A A312RDW
/T B(+) PROT.FUSIBLE
5 - REPLACEMENT B(+) FUSIBLE PROT.POR
6 40A A412BKP
/K B(+) PROT. FUSE
7 - REPLACED B(+) PROT.FUSIBLE
8 20A A116RD B(+) PROT.FUSIBLE
9 20A A2416BK(EATX) B(+) FUSIBLE PROT.
10 10A A5120RDW
/T B(+) FUSIBLE PROT.
11 20A A716RDB
/K B(+) PROTECTIVE FUSIBLE
12 40A A1612RDL
/G B(+) FUSIBLE PROT.POR
13 20A P8616PKB
/ K(JR41MANUFACTUREDFOREXPORT) B(+) PROT. FUSIBLE
14 30A A1414RDT
/N B(+) FUSIBLE PROTEIN
15 40A A1012RDD
/G B(+) PROT.FOR FUSIBLE
16 40A A1312PKW
/T B(+) FUSIBLE PROT.
17 40A A2512DB(JR27) B(+) PROT.FUSE
18 40A A512RDG
/Y B(+) FUSIBLE PROT.
19 20A A4518BR(JR27) B(+) PROT. FUSIBLE
E
20 20A A1516PK B(+) FUSIBLE PROT. S
21 - REPLACEMENT B(+) FUSIBLE PROT. P
22 20A A2012RDD
/B B(+) PROT.FUSIBLE I
23 20A F12 18DB/WT (JR27) OUTPUT OF THE SWITCHING POWER PROTECTED BY FUSE
G
(RUN-START) A
23 10A F12 18DB/WT (JR41) SWITCH ON OUTPUT PROTECTED BY FUSE
S
(RUN-START)
24 20A F42 16DG/LG OUTPUT OF AUTOMATIC STOP RELAY PROTECTED BY FUSE
D
E
25 20A F142 16OR/DG Automatic stop relay output protected by fuse
C
TRANSM
SIS
O
INCONTROLRELA
Y O
CAV CIRCUIT FUNCTION N
E
2 Z24620BKR
/D MASS
C
3 - - T
4 T1520LG CONTROL
OF
THEGEARBOXCONTROL
RELA
Y O
5 T1616RD OUTPUT OF THE TRANSMISSION CONTROL RELAY R
6 A2416BK B(+) FUSIBLE PROT.

197
 Connector Pins
MODULEC1OFCONTROLOFTHETRANSMISSIONMECHANISMC1-GRAY40WAYS
CAV CIRCUIT FUNCTION
1 K9416TN/LG(2.7L) COIL DRIVER ON PLUG NUMBER 4
2 K9316TNO
/ R(27
.L) COIL IGNITER ON SPARK PLUG Nº 3
3 K1716DB/TN(2.0L/2.4L) IGNITION COIL DRIVER No. 2
3 K9216TN/PK(2.7L) COIL IGNITER ON SPARK PLUG Nº 2
4 K9616TN/LB(2.7L) COIL IGNITER ON SPARK PLUG Nº 6
5 V3220YLR
/D ELECTRICAL POWER SUPPLY OF THE SPEED CONTROL
6 A14214DGO
/R AUTOMATIC STOP RELAY OUTPUT
7 K1318YLW
/T INJECTOR BOOSTER No. 3
8 K2018DG FIELD DRIVE OF THE GENERATOR
9 - -
10 Z10814BKT
/N DOUGH
11 K9116TN/RD(2.7L) COIL IGNITOR ON SPARK PLUG NO. 1
11 K1916BKG
/ Y(20
.L2
/4
.L) IGNITION COIL DRIVER NO. 1
12 - -
13 K1118WTD
/B INJECTOR RAIL NUMBER 1
14 K5818BR/DB(2.7L) INJECTOR DRIVER No. 6
GRAY 15 K3818GY(27
.L) INJECTOR PUSHER NO. 5
16 K1418LBB
/R INJECTOR PUSHER NO. 4
17 K1218TN INJECTOR DRIVER No. 2
E 18 K7918ORR
/ D(20
.L2
/4
.L) C
ON
T
RO
O
LF
O
XY
GE
N
SE
NS
OR
HE
A
T
E
1R
1
/
S 19 - -
P 20 F12 18DB/WT IGNITION SWITCH OUTPUT PROT. BY FUSE
I (RUN-START)
G 21 K9516TN/DG(2.7L) COIL DRIVER ON SPARK PLUG Nº 5
A
22 - -
S MODULE C1 OF CONTROL
OF THE MECHANISM OF 23 - -
D TRANSMISSION C1
24 - -
E 25 K4218DBL
/G K
NO
CK
S
EN
SO
R
GS
IN
A
L
26 K220TNB
/K R
EF
G
RIE
RA
NTE
MP
ER
A
TU
RE
SE
NS
OR
G
SIN
AL
O
FT
HE
C MOTOR
O 27 K12718DBO
/ R(20
.L2
/4
.L)OXYGENSENSORWEG
I HT
N
27 K12718DB/LG(2.7L) OxygenSen
M
soras
E
C 28 - -
T 29 K24120LG/RD(2.7L) O
XY
GE
NS
E
NS
OR
G
SIN
1A
2
L
/
O 30 K4120BKD
/G O
XY
GE
NS
E
NS
OR
G
SIN
1A
1
L
/
R 31 K9020TN S
T
AR
TE
RMO
T
ORR
EL
A
Y
CON
T
ROL
32 K2420GYB
/K C
RA
NK
S
HA
FT
P
OT
IS
N
IS
E
NS
OR
G
SIN
A
L
33 K4420TNY
/L C
A
MSH
A
FT
P
OT
IS
N
IS
E
NS
OR
G
SIN
A
L
34 K23520LG/PK(2.7L) E
G
gn
a
R
lS
ie
o
n
rs
35 K2220ORD
/B T
H
ROTL
E
PO
TIS
N
IS
E
NS
OR
G
SIN
A
L
OF
TH
E
AC
CE
L
ER
A
TO
R
RADOR
36 K120DG
R
/D MA
g
P
nalsen
isor
37 K2120BKR
/D R
N
AIT
AKETEMPERA
TURE
G
SINAL
38 - -
39 K3618VT/RD(2.7L) C
ON
T
RO
L
OF
T
HE
MP
U
L
E
T
L
IS
OL
E
ND
OI
40 K3520GYY
/L o
E
lG
d
rC
R
o
n
e
tiS
o
l

198
 Connector Pins
C2MODULEFORTRANSMISSIONMECHANISMCONTROL-GRAY40WAYS
CAV CIRCUIT FUNCTION
41 V3720PKL
/G S
P
EE
DC
ON
TR
OS
LW
T
C
IH
G
SIN
A
L
42 C18 20DB C
A/PRESSURE
G
SINAL
43 K418BKL
/B SENSORMASS
44 K718ORW
/T 8 VOLT POWER SUPPLY
45 K1020DBO
/ R(20
.L2
/4
.L) DETECTIONOFTHESTEERINGPRESSURESWITCH
46 A1414RDT
/N B(+) FUSIBLE PROTECTOR
47 Z10914BK DOUGH
48 K4020BRW
/T AIR INERTIA CONTROL MOTOR BOOSTER NUMBER 3
49 K6020YLB
/K AIR CONTROL IDLE MOTOR INJECTOR NUMBER 2
50 Z10714BKT
/N Dough
51 K14120TNW
/T 21
/O
g
n
ya
e
xlS
e
in
o
sr
52 K2518VTL
/G AM
E
BN
IT
TEMPERA
TURESENSOR
G
SINAL
53 K34120PK/WT(2.7L) O
XY
GE
NS
E
NS
OR
G
SIN
2A
2
L
/
(EATX)
54 - -
55 C24 20DB/TN C
ON
TR
OO
LF
L
OWR
A
A
DT
O
IR
F
AN
RE
L
A
Y
GRAY LOCIDITY
56 V3620TNR
/D V
A
CU
UM
SO
L
EN
D
OC
IO
NT
R
OL
OF
V
EL
O
T
YC
C
IO
NT
R
OL
DAD
57 K3920GYR
/D IDLE AIR CONTROL MOTOR PUSHER No. 1
58 K5920VTB
/K IDLE AIR CONTROL MOTOR BOOSTER NO. 4 E
59 D2520OR BUSPCI S
60 - -
P
I
61 K618VTW
/T 5 VOLT POWER SUPPLY
G
MODULE C2 OF CONTROL 62 K2920WTP
/K BRAKESWITCHDETECTION A
OF THE MECHANISM OF
63 T1020YL/DG(EATX) DETECTIONOFMANAGEMENTREQUESTFORPART S
TRANSMISSION
64 C28 20DB/OR C
L
UT
CH
RE
L
A
YC
ON
TR
OO
LC
F
A
C
/OM
PR
ES
S
OR
65 D2120PK SCI TRANSMISSION
D
E
66 G718WT/OR V
E
C
HL
E
IS
P
EE
DS
E
NS
OR
G
SIN
A
L
67 K5120DBV
/T AUT
OMA
C
TIST
OP
RELA
Y
CONTROL C
68 K5218PKB
/K V
O
L
EA
E
T
IM
S
O
S
IN
S
SO
LE
N
D
OC
IO
NT
R
OL O
69 C27 20DB/PK C
ON
TR
OO
LF
G
H
IH
VE
RA
A
D
T
OIR
F
AN
RE
L
A
Y N
LOCIDITY E
70 K10818WTT
/N DETECTIONOFTHEEVAPORATIONSOLENOID C
71 K7120WT/RD(EATX) E
A
TXR
PM
G
SIN
AL
T
O
72 K10718OR DETECTIONOFTHEPUMPSWITCHDETECTIONOF
Leaks
R
73 - -
74 K3120BRL
/G CONTROL
OF
THEFUEL
PUMP
RELA
Y
75 D2020LG RECEPTIONOFSCI
76 T4120BK/LB(EATX) DETECTION OF TRS T41
77 K10618WTD
/G C
ON
T
RO
L
OF
T
HE
PU
MP
SO
L
E
ND
O
FIO
RL
E
A
KDE
T
E
O
CT
N
I
78 - -
79 - -
80 V3520LG/RD C
ON
T
RO
L
OF
T
HE
VO
E
L
N
A
T
N
IT
IS
OL
E
ND
O
CIO
NT
R
OL
OF
T
HE
SPEED

GRAY

R
G
IHTREVERSE
G
LIHG
T-RA
Y2W
AY
CAV CIRCUIT FUNCTION
1 Z15118BK DOUGH
2 L118VTB
/K REVERSE LIGHT POWER SUPPLY
REVERSING LIGHT
RIGHT

199
 Connector pins

NATURAL

T
H
ROTL
E
PO
T
IS
N
IS
N
E
A
-N
4
T
L
U
)S
2
.O
R
0
L
/A
2
R
.(L
W
3A
YS
CAV FUNCTIONCIRCUIT
1 K620VTW
/ T5 VOLT POWER SUPPLY
2 K2220ORD
/B T
H
ROTL
E
PO
TIS
N
IS
E
NS
OR
G
SIN
A
L
OF
TH
E
AC
CE
L
ER
A
TO
R
POSITION SENSOR OF
RADOR
THE BUTTERFLY (2.0L/2.4L)
3 K420BKL
/B SENSORMASS

BLACK

T
H
ROTL
E
PO
T
IS
N
IS
E
NB
S
L
-O
A
7
L
)C
2
R
.K
(W
3R
E
I
CAV FUNCTIONCIRCUIT
1 K620VTW
/ T5 Volt Power Supply
2 K2220ORD
/B T
H
ROTL
E
PO
TIS
N
IS
E
NS
OR
G
SIN
A
L
OF
TH
E
AC
CE
L
ER
A
TO
R
POSITION SENSOR OF RADOR
THE BUTTERFLY (2.7L)
3 K420BKL
/B SENSORMASS
E
S
P
I
G
A
S

D
E

C
O
N
E
C
T
O
R

200
 Connector Pins
TRANSMISSIONCONTROLMODULE-BLACK60TRACKS
CAV CIRCUIT FUNCTION
1 T120LGB
/K DETECTION OFTRST1
2 - -
3 T318VT DETECTION OFTRST3
4 - -
5 T520LGA
(UTOSTC
IK) DETECTION OFAUTOSTICK UPSHIFTSWITCH
6 K7120WTR
/D E
A
TXR
PM
G
SIN
AL
7 D2120PK Transmission of SCI
8 A4116YL OUTPUT OF THE PROTECTED STARTING SWITCH BY FUSE
9 T918ORB
/K DETECTIONOFTHEOVERPRESSURESWITCH
10 T1020YLD
/G DETECTIONOFMANAGEMENTREQUESTFORPAR
11 F11 18RD/WT IGNITION SWITCH OUTPUT PROT. BY FUSE (OFF-RUN-
START)
12 K2220ORD
/B T
H
ROTL
E
PO
TIS
N
IS
E
NS
OR
G
SIN
A
L
13 T1320DBB
/K SPEED
SENSOR
MOUNT
14 T1420LG/WT T
R
ANS
M
S
OS
IN
S
PE
ED
S
EN
SO
R
GS
IN
A
L
15 T1520LG CONTROL
OF
THECONTROL
RELA
Y
OF
THEGEARBOX
BLACK
16 T1616RD OUTPUT OF THE CONTROL RELAY OF THE GEARBOX
17 T1616RD OUTPUT OF THE CONTROL RELAY OF THE GEARBOX
18 - -
19 T1918WT o
ld
rC
o
n
e
ti4
S
o
2
l-
20 T2018LB L
O
WRE
/V
E
RS
ES
OL
E
ND
O
CIO
NT
R
OL
21 - -
22 - - E
23 - - S
24 - - P
25 - - I
26 - - G
27 - - A
28 - - S
29 - -
30 - - D
31 - - E
32 - -
33 - - C
34 - - O
35 - -
N
36 - -
E
37 - -
C
T
38 - -
O
39 - -
R
40 - -
41 T4120BKW
/T DETECTION OF THE T41 TRS

CONTROL MODULE OF 42 T4218VTW

/T DETECTION OF TRS T42
THE GEARBOX 43 D2520VTY
/L BUSPCI
44 T4420YLA
(UTOSTC
IK) DETECTION OF DOWNWARD SHIFTINGAUTOSTICK SWITCH
45 - -
46 D620PKL
/B RECEPTIONOFSCI
47 T4718YLB
/K DETECTIONOFTHE2-4PRESSURESWITCH
48 - -
49 - -
50 T5018DG DETECTIONOFLOWPRESSURESWITCH/REVERSE
51 K418BKL
/B SENSORMASS
52 T5220RDB
/K S
E
NS
OR
G
SIN
A
O
LF
PU
L
SE
S
PE
ED
53 Z11216BKY
/L DOUGH
54 T5418VTY
/L TRANSM
SO
S
IINTEMPERA
TURESENSORG
SINAL
55 - -
56 A2416BK B(+) PROT. WITH FUSE
57 Z11316BKR
/D DOUGH
58 G718WT/OR V
E
C
HL
E
IS
P
EE
DS
E
NS
OR
G
SIN
A
L
59 T5918PK C
ON
T
RO
L
OF
T
HE
SU
B
MC
O
P
A
U
T
L
IN
L
IS
OL
E
ND
OI
60 T6018BR O
V
ER
BO
OS
T
SO
L
EN
D
OC
IO
NT
R
OL

201
 Connector Pins
TRANSM
S
IS
O
INPOS
T
O
INSENSORD
-K
G
.RA
Y10CHANNELS
CAV CIRCUIT FUNCTION
DARK GRAY 1 F20 18WT POWER SWITCH OUTPUT PROTECTED BY FUSE
(RUN)
2 - -
3 T1320DBB
/K SENSOR
VELOC
TY
IMASS
4 T5418VTY
/L TRANSM
SO
S
IINTEMPERA
TURESENSORG
SINAL
5 T4120BKL
/B DETECTION OF THE T41 TRS
6 L118VTB
/K REVERSE LIGHT POWER
POSITION SENSOR OF 7 T120LGB
/K DETECTION OFTRST1
THE GEARBOX
8 T318VT DETECTION OFTRST3
9 T4220VTW
/T DETECTION OF TRS T42
10 T4120BKW
/T DETECTION OF TRS T41

BLACK

PRESSUR
S
E
WTC
IH
SO
/LENO
A
D
S
ISEMB
F
L
Y
OR
GEARBO
LA
-X
CK
8
WA
YS
CAV CIRCUIT FUNCTION
E 1 T4718YLB
/K DETECTIONOFPRESSURESWITCH2-4
S 2 T5018DG DETECTIONOFTHELOWPRESSURESWITCH/ON
P BACK
I 3 T918ORB
/K DETECTIONOFOVERPRESSURESWITCH
G 4 T1616RD OUTPUT OF THE GEARBOX CONTROL RELAY
A 5 T5918PK C
ON
T
RO
L
OF
T
HE
SU
B
MC
O
P
A
U
T
L
IN
L
IS
OL
E
ND
OI
S
6 T6018BR O
V
ER
SP
E
ED
SO
L
EN
D
OC
IO
NT
R
OL
D 7 T2018LB L
O
WRE
/V
E
RS
ES
OL
E
ND
O
CIO
NT
R
OL
E SET OF COMMUTE- 8 T1918WT o
ld
rC
o
n
e
ti4
S
o
2
l-
PRESSURE PAIN
C SOLENOID OF THE BOX
O CHANGES

N
E
C
T
O
R

202
 SCHEMATIC DIAGRAMS
10.0 SCHEMATIC DIAGRAMS
TRANSMISSION 41TE
SET OF COMMUTATION
TRANSMISSION CONTROL MODULE (TCM)
PRESSURE PAIN
SOLENOID OF
TRANSMISSION I/D Solenoid Control
A LINK CONNECTOR OF
RECEPTION OF SCI
SCI TRANSMISSION DATA (DLC)
SWITCH DETECTION
2/4 Solenoid Control OVERHEATING PAIN
DOUGH
SUPPLEMENTARY SOLENOID CONTROL
CHA
DOUGH
CLUTCH SOLENOID CONTROL
ON LOW

AUTOSTICK DOWN
Detection of the conmu-
Pressure Sensor I/D AUTOSTICK UP
SWITCHED
DETECTION OF PRESSURE SWITCH 2/4 RE OF
HALL EFFECT switch
PRESSURE SWITCH DETECTION OF THE AUTOSTICK
(IF THIS IS EQUI-
OVERMARCH
PADO)
CASH REGISTER (IN
MOUNTING SUPPORT
SWITCH OUTPUT
OF PROTECTION IGNITION BY
OUTPUT OF THE CONTROL RELAY OF THE TRANS-
MISSION SENSOR SIGNAL FUSE (OFF/RUN/START)
OF SPEED OF
OUTPUT OF THE CONTROL RELAY OF THE TRANS- IMPRESSION
MISSION
OUTPUT SPEED SENSOR SIGNAL

CONTROL OF THE TRANSMISSION CONTROL RELAY

CONTROL RELAY OF THE
TRANSMISSION

FUSED PROTECTION (B+) OUTPUT SPEED SENSOR SPEED SENSOR

FUSE PROT. (B+) MASS OF THE SPEED SENSOR DAD DE ENTRADA

LIGHTS OF
MARCH
BACK

MECHANICAL CONTROL MODULE

Transmission Control Module (PCM)

FUSE PROTECTIVE BATTERY

SWITCH OUTPUT ON
DIDO PROT. FOR FUSIBLE (RUN)

POSITION SENSOR SIGNAL POSITION SENSOR OF THE

BOND OF THE BUTTERFLY TRANSMISSION (TRS)

SWITCH ON OUTPUT
D
5 Volts Power Supply DIDO PROT. BY FUSE (RUN)
I
LIGHT FEEDING OF
REVERSE A
THROTTLE POSITION SENSOR SIGNAL
TEMPERATURE SENSOR G
TEMPERATURE SENSOR OF
Transmission column
R
TRANSMISSION
SENSOR'S MASS SENSOR MASS CLOSURE SWITCH A
DETECTION SIGNAL T1 (C4) DETECTION OF TRS T1 (C4) M
SENSOR VELOCITY SIGNAL SENSOR SPEED SIGNAL
CITY OF THE VEHICLE
OF THE VEHICLE A
PCI BUS SIGNAL PCI BUS SIGNAL DETECTION SIGNAL T3 (C3) TRS T3 (C3) DETECTION S
EATX RPM SIGNAL EATX RPM SIGNAL
E
DETECTION SIGNAL T42 (C2) DETECTION OF TRS T42 (C2)
DETECTION OF REQUEST FOR DETECTION OF GES REQUEST-
PART MANAGEMENT
ACTION BY
DETECTION OF TRS T41 (C1)
S
DETECTION SIGNAL T41 (C1)
Q
SWITCH DETECTION
POSITION P/N (T41) SWITCH DETECTION OF
U
POSITION P/N (T41)
E
M
A
T
I
C
O
S
203
N
OT
E
S

204
 TABLES AND GRAPHS
11.0 TABLES AND GRAPHS C
U
A
11.1CODESOFTHESHIFTLEVERFAILURE D
R
O
GEAR LEVER ERROR CODES S
INFORMED BY THE DRBIII
ERROR CODE AGA SWITCH- POSITION Y
RROTATED

1 T1/C4 GRAYED OUT OPEN G

2 T1/C4 GROUND CLOSED
R
A
3 T3/C3 AGARROTADO OPEN
F
4 T3/C3 MAINTAINED CLOSED I
5 T42/C2 Jammed OPEN C
O
6 T24/C2 STUCK CLOSED
S
7 T41/C1 STUCK OPEN

8 T41/C1 STUCK CLOSED

11.2SOLENOIDAPPLICATIONTABLE

APPLICATION CHART OF THE SOLENOID

GEAR EM- ABOUT- REV 2/4 LR
BRA- MAR-
I want CHA
MAR-
CHA IN
LOW

PARK X
LIE

REVERSE X X

Deadlock X

1st X X

2DA X X

3RA X X

4TA X X

205
 CHARTS AND GRAPHS
C 11.3STATESOFTHEPRESSURESWITCHOFTHEGEARBOX
U
A
D PRESSURE SWITCH STATES 41TE
R
O CONMU-
TADO-
R N 1RA 2DA 3RA 4TA

S RES

L/R OPEN CE- CE- OPEN OPEN OPEN

RRADO RRADO
Y
2/4 OPEN OPEN OPEN CE- OPEN CE-
RRADO RRADO
G DIAME- OPEN OPEN OPEN OPEN CE- CE-
R TRO EX-
TRIO
RRADO RRADO

A
F
I
C
O
S

11.4STATESOFTHEGEARBOXPOSITIONSENSOR

STATES OF THE POSITION SENSOR OF THE 41TE TRANSMISSION

TRS STATION- T1 MARCH T2 POINT T2 ABOUT- T3 D3/AS T3 L
BIRTH BACK DEAD MARCH

T1 (C4) OPEN OPEN OPEN CLOSED CLOSED CLOSED CLOSED CLOSED OPEN CLOSED CLOSED

T3 (C3) CLOSED CLOSED OPEN OPEN OPEN OPEN OPEN CLOSED CLOSED CLOSED CLOSED

T41 (C1) CLOSED OPEN OPEN OPEN CLOSED OPEN OPEN OPEN OPEN OPEN OPEN

T42 (C2) CLOSED CLOSED CLOSED CLOSED CLOSED CLOSED OPEN OPEN OPEN OPEN CLOSED

206
N
OT
E
S

207
N
OT
E
S

208