26/8/24, 12:15 TROUBLESHOOTING

TROUBLESHOOTING
Contents
Error Code Description
F-01 Memory error
F-02 Battery voltage fault
F-03 VCM communication error
F-04 ECM communication error
F-05 DCM communication error
F-06 OCM communication error
F-07 MP communication error
F-08 TMS communication error
F-09 Lever type
F-10 Lift lever neutral
F-11 Tilt lever neutral
F-12 Att1 lever neutral
F-13 Att2 lever neutral
F-14 Att3 lever neutral
F-15 ECU communication error
F-16 Shift Lever Abnormal Signal
F-17 Vehicle Speed Abnormal Signal
F-20 Lift lever error
F-22 Tilt lever error
F-24 Att1 lever error
F-26 Att2 lever error
F-28 Att3 lever error
F-29 Joystick Lever Error
F-31 Sensor voltage warning
F-32 Lift oil pressure sensor error
F-34 Vehicle Speed Sensor Abnormal Signal
F-36 Steering Sensor Abnormal Signal
F-38 Tilt sensor error
F-40 Steering Abnormal Signal
F-41 Output Unit Error
F-44 Output Unit PWM Voltage Error
F-45 Output Unit Communication Error
F-46 Input Unit Error
F-49 Input Unit Communication Error
F-50 Lift Up solenoid error
F-52 Lift Down solenoid error
F-54 Lift solenoid leak
F-55 Tilt Forward solenoid error
F-57 Tilt Backward solenoid error

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F-59 Tilt solenoid leak

F-60 Att1A solenoid error
F-62 Att1B solenoid error
F-64 Att1 solenoid leak
F-65 Att2A solenoid error
F-67 Att2B solenoid error
F-69 Att2 solenoid leak
F-70 Att3A solenoid error
F-72 Att3B solenoid error
F-73 Hour meter Gap error
F-74 Att3 solenoid leak
F-75 Unload Solenoid Abnormal Signal
F-76 Parking brake solenoid error
F-77 Lift Lock Valve Abnormal Signal
F-78 Parking brake solenoid leak
F-79 Unload Solenoid/Lift Lock Valve Leak Signal
F-80 Power Steering Correction Valve Solenoid Abnormal Signal
F-82 Tiltlock solenoid error
F-84 Power Steering Correction Solenoid/Tilt Lock Valve Leak Signal
F-85 T/M Forward Travel Solenoid Abnormal Signal
F-87 T/M Reverse Travel Solenoid Abnormal Signal
F-88 Parking brake release pressure warning
F-89 T/M Solenoid Leak Signal
F-92 Parking brake burning warning
F-93 Speed change solenoid1 Error
F-96 EAT setting error

D-01 Accelerator sensor 1 warning

D-02 Accelerator sensor 2 warning
D-05 Fuel rail pressure warning (pump)
D-07 Fuel rail pressure sensor warning
D-09 Injector N/V-cylinder 1
D-10 Injector N/V-cylinder 2
D-11 Injector N/V-cylinder 3
D-12 Injector N/V-cylinder 4
D-21 Fuel control valve warning
D-22 EGR inlet/outlet pressure warning
D-24 Engine speed sensor warning
D-25 Engine over-run warning
D-26 Boost pressure sensor warning
D-29 Atmospheric pressure sensor warning
D-30 CAN signal warning
D-31 Starter relay warning
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D-32 Water temperature sensor warning

D-33 ECM system warning
D-34 Injector circuit warning
D-35 Fuel temperature sensor (inlet) warning
D-37 EGR position sensor warning
D-38 EGR Gas Temperature Sensor Warning
D-39 EGR Position Warning
D-40 EGR warning
D-43 ECM relay warning
D-44 Glow plug warning
D-47 Back Pressure Valve Warning
D-48 Glow relay warning
D-51 Memory error
D-52 Battery voltage fault
D-53 VCM communication error
D-54 NCD
D-55 PCD
D-57 MP communication error
D-58 TMS communication error
D-61 Engine overrun
D-62 Engine revolution pulse error
D-63 Over heat (STEP1)
D-64 Over heat (STEP2)
D-67 W/G bypass valve warning
D-70 Sensor supply power voltage warning
D-71 Accelerator sensor error
D-73 Engine revolution sensor error
D-74 Lambda sensor warning
D-75 Idle switch fault
D-76 Throttle min position error
D-77 Throttle max position error
D-78 Throttle origin position error
D-79 Throttle min switch fault
D-80 Air intake throttle position warning
D-82 Exhaust temperature sensor warning
D-83 DOC/DPF inlet temperature sensor warning
D-84 DPF absolute pressure sensor warning
D-85 DPF differential pressure sensor warning
D-87 DPF warning
D-88 DPF Exhaust Temperature Sensor Warning
D-89 Engine oil pressure sensor warning
D-90 Engine oil viscosity warning

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D-91 Throttle motor fault

D-92 Intake manifold pressure sensor warning
D-93 Intake manifold temperature sensor warning
D-94 Air intake temperature sensor warning
D-95 Fuel rail pressure sensor warning
D-96 Fuel leak warning
D-97 ECM system warning
D-98 DPF warning

E-03 VCM communication error

E-04 ECM communication error
E-05 DCM communication error
E-07 MP communication error
E-08 TMS communication error
E-21 Air flow meter fault
E-22 Water temperature sensor fault
E-23 Throttle sensor fault
E-24 Accelerator sensor fault
E-25 O2 sensor fault
E-26 O2 sensor heater fault
E-27 POS sensor fault
E-28 Phase sensor fault
E-29 Self shutdown system fault
E-30 ECCS C/U System fault
E-31 Throttle control fault
E-32 Over heat (STEP1)
E-33 Over heat (STEP2)
E-34 Ignition system fault
E-35 F/Inj disconnection
E-36 Fuel pressure sensor fault
E-37 Fuel temperature sensor fault
E-38 LPG result signal fault
E-39 Mast height switch fault
E-40 Oil pressure sensor fault
E-41 Stop lamp switch fault
E-42 GAS air-fuel ratio malfunction
E-43 LPG air-fuel ratio malfunction
E-44 Absolute pressure sensor error

P-03 VCM communication error

P-04 ECM communication error
P-05 DCM communication error
P-06 OCM communication error

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P-07 MP communication error

P-08 TMS communication error
P-15 ECU communication error

L-03 VCM communication error

L-04 ECM communication error
L-05 DCM communication error
L-07 MP communication error
L-08 TMS communication error

S01 OCM Memory error

S02 OCM Battery voltage fault
S03 VCM communication error
S04 ECM communication error
S05 DCM communication error
S06 OCM communication error
S07 MP communication error
S08 TMS communication error
S10 APS1 input signal error
S11 APS2 input signal error
S13 APS1/APS2 input signal correlated error
S14 Idle switch error
S40 Service brake solenoid error
S41 Service brake solenoid leak
S42 Parking brake solenoid error
S43 Parking brake solenoid leak

LIST Diagnostic code description

Error
Description Probable cause Check point
Code
F-01
Memory error 1.Controller bad
D-51
1.Connector connection
1.Connector contact bad
check
F-02 Battery voltage fault
2.Harness bad 2.Harness connection check
3.Controller bad
1.Connector connection
1.Connector contact bad
check
F-03
D-53 2.Harness bad 2.Harness connection check
E-03 VCM communication error
P-03 3.Communication line
3.VCM Controller bad
L-03 check
4.Controller bad
F-04 ECM communication error 1.Connector contact bad 1.Connector connection
E-04
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P-04 check
L-04
2.Harness bad 2.Harness connection check
3.Communication line
3.ECM Controller bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
F-05
E-05 2.Harness bad 2.Harness connection check
DCM communication error
P-05 3.Communication line
L-05 3.DCM Controller bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-06 2.Harness bad 2.Harness connection check

OCM communication error
P-06 3.Communication line
3.OCM Controller bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
F-07
D-57 2.Harness bad 2.Harness connection check
E-07 MP communication error
P-07 3.Communication line
3.Meter panel bad
L-07 check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
F-08
D-58 2.Harness bad 2.Harness connection check
E-08 TMS communication error
P-08 3.Communication line
3.TMS Controller bad
L-08 check
4.Controller bad
1.Controller setup bad 1.Controller setup check
F-09 Lever type
2.Controller bad
1.Connector connection
1.Connector contact bad
check

F-10 Lift lever neutral 2.Harness bad 2.Harness connection check

3.Lift lever bad 3.Lever connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-11 Tilt lever neutral 2.Harness bad 2.Harness connection check

3.Tilt lever bad 3.Lever connection check
4.Controller bad

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1.Connector connection
1.Connector contact bad
check

F-12 Att1 lever neutral 2.Harness bad 2.Harness connection check

3.Att1 lever bad 3.Lever connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-13 Att2 lever neutral 2.Harness bad 2.Harness connection check

3.Att2 lever bad 3.Lever connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-14 Att3 lever neutral 2.Harness bad 2.Harness connection check

3.Att3 lever bad 3.Lever connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-15 2.Harness bad 2.Harness connection check

ECU communication error
P-15 3.Communication line
3.ECU Controller bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-20 Lift lever error 2.Harness bad 2.Harness connection check

3.Lift lever bad 3.Lever connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-22 Tilt lever error 2.Harness bad 2.Harness connection check

3.Tilt lever bad 3.Lever connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-24 Att1 lever error 2.Harness bad 2.Harness connection check

3.Att1 lever bad 3.Lever connection check
4.Controller bad
F-26 Att2 lever error 1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
3.Att2 lever bad 3.Lever connection check

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4.Controller bad
1.Connector connection
1.Connector contact bad
check

F-28 Att3 lever error 2.Harness bad 2.Harness connection check

3.Att3 lever bad 3.Lever connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
F-30 Main oil pressure sensor error
3.Main oil pressure sensor
3.Sensor connection check
bad
4.Controller bad
1.Wheel angle sensor bad 1.Wheel angle sensor check
F-31 Sensor voltage warning 2.Harness bad 2.Harness connection check
3.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
F-32 Lift oil pressure sensor error
3.Lift oil pressure sensor
3.Sensor connection check
bad
4.Controller bad
1.Link comes and damage
check
1.Connector contact bad
2.Connector connection
check
F-38 Tilt sensor error
2.Harness bad 3.Harness connection check
3.Tilt sensor bad 4.Sensor connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-50 Lift Up solenoid error 3.Harness bad 3.Harness connection check
4.Lift Up solenoid
4.Lift Up solenoid bad
connection check
5.Controller bad
F-52 Lift Down solenoid error 1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
3.Harness bad 3.Harness connection check
4.Lift Down solenoid
4.Lift Down solenoid bad
connection check

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5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-54 Lift solenoid leak 3.Harness bad 3.Harness connection check
4.Lift solenoid connection
4.Lift solenoid bad
check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-55 Tilt Forward solenoid error 3.Harness bad 3.Harness connection check
4.Tilt Forward solenoid
4.Tilt Forward solenoid bad
connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-57 Tilt Backward solenoid error 3.Harness bad 3.Harness connection check
4.Tilt Backward solenoid 4.Tilt Backward solenoid
bad connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-59 Tilt solenoid leak 3.Harness bad 3.Harness connection check
4.Tilt solenoid connection
4.Tilt solenoid bad
check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-60 Att1A solenoid error 3.Harness bad 3.Harness connection check
4.Att1A solenoid
4.Att1A solenoid bad
connection check
5.Controller bad
F-62 Att1B solenoid error 1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
3.Harness bad 3.Harness connection check

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4.Att1B solenoid
4.Att1B solenoid bad
connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-64 Att1 solenoid leak 3.Harness bad 3.Harness connection check
4.Att1 solenoid connection
4.Att1 solenoid bad
check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-65 Att2A solenoid error 3.Harness bad 3.Harness connection check
4.Att2A solenoid
4.Att2A solenoid bad
connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-67 Att2B solenoid error 3.Harness bad 3.Harness connection check
4.Att2B solenoid
4.Att2B solenoid bad
connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-69 Att2 solenoid leak 3.Harness bad 3.Harness connection check
4.Att2 solenoid connection
4.Att2 solenoid bad
check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-70 Att3A solenoid error 3.Harness bad 3.Harness connection check
4.Att3A solenoid
4.Att3A solenoid bad
connection check
5.Controller bad
F-72 Att3B solenoid error 1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check

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3.Harness bad 3.Harness connection check

4.Att3B solenoid
4.Att3B solenoid bad
connection check
5.Controller bad
1.Hour meter time 1.Connect service tool and
F-73 Hour meter Gap error difference between VCM execute #252 Hour meter
and instrument panel update
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-74 Att3 solenoid leak 3.Harness bad 3.Harness connection check
4.Att3 solenoid connection
4.Att3 solenoid bad
check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-76 Parking brake solenoid error 3.Harness bad 3.Harness connection check
4.Parking solenoid
4.Parking solenoid bad
connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-78 Parking brake solenoid leak 3.Harness bad 3.Harness connection check
4.Parking solenoid
4.Parking solenoid bad
connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-82 Tiltlock solenoid error 3.Harness bad 3.Harness connection check
4.Tiltlock solenoid
4.Tiltlock solenoid bad
connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
F-88 Parking brake oil pressure warning
3.Parking brake oil pressure
3.Switch connection check
decrease
4.Controller bad 4.Brake oil pressure check

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1.Connector connection
1.Connector contact bad
check

F-92 Parking brake burning warning 2.Harness bad 2.Harness connection check
3.Parking brake switch bad 3.Switch connection check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
F-93 Speed change solenoid1 Error 3.Harness bad 3.Harness connection check
4.Speed change solenoid 4.Speed change solenoid
bad connection check
5.Controller bad
1.Setup data bad 1.Setup data check
F-96 EAT Setting error
2.Controller bad

Error
Description Probable cause Check point
Code
1.Erratic, intermittent, or 1.Throttle switch circuit
incorrect check
2.Erratic, intermittent, or 2.Analog throttle position
incorrect sensor circuit check
D-01 Accelerator sensor 1 warning
3.Analog throttle position
3.Voltage above normal
sensor circuit check
4.Analog throttle position
4.Voltage below normal
sensor circuit check
1.Erratic, intermittent, or 1.Throttle switch circuit
incorrect check
2.Erratic, intermittent, or 2.Analog throttle position
incorrect sensor circuit check
D-02 Accelerator sensor 2 warning
3.Analog throttle position
3.Voltage above normal
sensor circuit check
4.Analog throttle position
4.Voltage below normal
sensor circuit check
1.Fuel rail pressure relief 1.Fuel rail pressure
valve is active problem
2.Erratic, intermittent, or 2.Fuel rail pressure
incorrect problem
3.Fuel rail pressure
D-05 Fuel rail pressure warning (pump) 3.Not responding properly
problem
4.Fuel rail pressure
4.Abnormal rate of change
problem
5.Fuel rail pressure
5.Pressure is high
problem

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1.Fuel rail pressure

1.Pressure is high
problem
2.Fuel rail pressure
2.Pressure is low
problem
D-07 Fuel rail pressure sensor warning
3.Engine pressure sensor
3.Voltage above normal
open or short circuit check
4.Engine pressure sensor
4.Voltage below normal
open or short circuit check
1.Erratic, intermittent, or 1.Injector data incorrect
incorrect check
2.Injector solenoid circuit
D-09 Injector N/V-cylinder 1 2.Current below normal
check
3.Injector solenoid circuit
3.Current above normal
check
1.Erratic, intermittent, or 1.Injector data incorrect
incorrect check
2.Injector solenoid circuit
D-10 Injector N/V-cylinder 2 2.Current below normal
check
3.Injector solenoid circuit
3.Current above normal
check
1.Erratic, intermittent, or 1.Injector data incorrect
incorrect check
2.Injector solenoid circuit
D-11 Injector N/V-cylinder 3 2.Current below normal
check
3.Injector solenoid circuit
3.Current above normal
check
1.Erratic, intermittent, or 1.Injector data incorrect
incorrect check
2.Injector solenoid circuit
D-12 Injector N/V-cylinder 4 2.Current below normal
check
3.Injector solenoid circuit
3.Current above normal
check
1.Current below normal 1.Solenoid valve check
D-21 Fuel control valve warning
2.Current above normal 2.Solenoid valve check
1.Engine pressure sensor
1.Voltage above normal
open or short circuit check
2.Engine pressure sensor
2.Voltage below normal
open or short circuit check
D-22 EGR inlet/outlet pressure warning
3.Sensor calibration
3.Calibration required
required check
4. 5V sensor supply circuit
4.Data drifted low
check
D-24 Engine speed sensor warning 1.Abnormal frequency, 1.Engine speed/timing
pulse width, or period sensor circuit check
2.Engine speed is too high 2.Engine overspeeds

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3.Engine timing sensor 3.Engine speed/timing

defective sensor circuit check
4.Engine stop of overload 4.Engine speed
1.Abnormal frequency, 1.Engine speed/timing
D-25 Engine over-run warning pulse width, or period sensor circuit check
2.Engine speed is too high 2.Engine overspeeds
1.Intake manifold air
1.Boost pressure is high
pressure is high
D-26 Boost pressure sensor warning
2.Intake manifold air
2.Boost pressure is low
pressure is low
1.Engine pressure sensor
1.Voltage above normal
open or short circuit check
2.Engine pressure sensor
D-29 Atmospheric pressure sensor warning 2.Voltage below normal
open or short circuit check
3. 5V sensor supply circuit
3.Data drifted low
check
1.CAN data link circuit
D-30 CAN signal warning 1.Abnormal update rate
check
1.Voltage above normal 1.Starter relay circuit check
D-31 Starter relay warning 2.Current below normal 2.Starter relay circuit check
3.Current above normal 3.Starter relay circuit check
1.Coolant temperature is
1.Temperature is high
too high
2.Engine temperature
2.Voltage above normal sensor open or short circuit
D-32 Water temperature sensor warning
check (Passive sensors)
3.Engine temperature
3.Voltage below normal sensor open or short circuit
check (Passive sensors)
1.Calibration memory is
erratic, intermittent, or 1.Flash programming
incorrect
D-33 ECM system warning
2.Calibration module is
erratic, intermittent, or 2.ECM memory check
incorrect
1.Injector solenoid circuit
1.Current above normal
check
D-34 Injector circuit warning
2.Injector solenoid circuit
2.Not responding correctly
check
1.Engine temperature
1.Voltage above normal sensor open or short circuit
check (Passive sensors)
Fuel temperature sensor (inlet)
D-35 2.Engine temperature
warning
2.Voltage below normal sensor open or short circuit
check (Passive sensors)
3.Temperature is high 3.Fuel temperature is high
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1.Valve position sensor

1.Voltage above normal
check
D-37 EGR position sensor warning
2.Valve position sensor
2.Voltage below normal
check
1.Check continuity and
short circuit of thermistor
EGR valve inside 2.Check continuity and
EGR Gas Temperature Sensor
D-38 temperature thermistor short circuit of wiring
Warning
abnormal between EGR valve and
ECM (Engine control
module for Diesel engine)
1.EGR valve sticking on 1.Check and clean EGR
initializing valve
D-39 EGR Position Warning
2.EGR valve initialize over 2.Check moving part of
time EGR valve
1.Current below normal 1.Motorized valve check
D-40 EGR warning 2.Current above normal 2.Motorized valve check
3.Not responding properly 3.Motorized valve check
1.Electric power supply
1.Not responding correctly
check
D-43 ECM relay warning
2.Electric power supply
2.Special instruction
check
1.Glow plug starting aid
D-44 Glow plug warning 1.Not responding correctly
check
1.The CAN signal
transmitted the ETV to
1.Electronic (exhaust)
D-47 Back Pressure Valve Warning ECM (Engine control
throttle valve failure
module for Diesel engine)
cannot received
1.Glow plug relay circuit
D-48 Glow relay warning 1.Current above normal
check
1.Ignition keyswitch circuit
1.Power input is erratic,
and battery supply circuit
intermittent, or incorrect
check
2.Ignition keyswitch circuit
D-52 Supply power voltage warning 2.Voltage above normal and battery supply circuit
check
3.Ignition keyswitch circuit
3.Voltage below normal and battery supply circuit
check
1.Failure of components
1.NOx control diagnosis
D-54 NCD that reduce NOx is left for a
system failure (H) (L)
specified time or longer
1.Particulate control 1.Failure of components
D-55 PCD diagnosis system failure that reduce PM is left for a
(H) (L) specified time or longer
D-61 Engine overrun 1.Connector connection
1.Connector contact bad
check
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2.Harness bad 2.Harness connection check

3.Engine revolution sensor
3.Sensor connection check
bad
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
D-62 Engine revolution pulse error
3.Engine revolution sensor
3.Sensor connection check
bad
4.Controller bad
1.Coolant temperature is
1.Temperature is high
too high
2.Engine temperature
2.Voltage above normal sensor open or short circuit
check (Passive sensors)
3.Engine temperature
3.Voltage below normal sensor open or short circuit
D-63 Overheat warning (STEP1) check (Passive sensors)
4.Temp sensor bad 4.Sensor connection check
5.Connector connection
5.Connector contact bad
check
6.Harness bad 6.Harness connection check
7.Controller bad
1.Coolant temperature is
1.Temperature is high
too high
2.Engine temperature
2.Voltage above normal sensor open or short circuit
check (Passive sensors)
3.Engine temperature
3.Voltage below normal sensor open or short circuit
D-64 Overheat warning (STEP2) check (Passive sensors)
4.Temp sensor bad 4.Sensor connection check
5.Connector connection
5.Connector contact bad
check
6.Harness bad 6.Harness connection check
7.Controller bad
1.Current below normal 1.Solenoid valve checkk
D-67 W/G bypass valve warning
2.Current above normal 2.Solenoid valve check
1.Voltage is erratic, 1. 5V sensor supply circuit
D-70 Sensor supply power voltage warning
intermittent, or incorrect check
D-71 Accelerator sensor error 1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check

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3.Accelerator sensor bad 3.Sensor connection check

4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
D-73 Engine revolution sensor error
3.Engine revolution sensor
3.Sensor connection check
bad
4.Controller bad
1.Voltage above normal 1.Oxygen level check
D-74 Lambda sensor warning 2.Voltage below normal 2.Oxygen level check
3.Current below normal 3.Oxygen level check
1.Erratic, intermittent, or 1.Idle validation switch
incorrect circuit check
2.Connector connection
2.Connector contact bad
check
D-75 Idle switch warning
3.Harness bad 3.Harness connection check
4.Idle switch bad 4.Idle switch check
5.Controller bad
1.Connector connection
1.Connector contact bad
check

D-76 Throttle min position error 2.Harness bad 2.Harness connection check
3.Throttle min switch bad 3.Throttle min switch check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
D-77 Throttle max position error
3.Throttle max switch
3.Throttle max switch bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
D-78 Throttle origin position error
2.Harness bad 2.Harness connection check
3.Controller bad
1.Connector connection
1.Connector contact bad
check

D-79 Throttle min switch fault 2.Harness bad 2.Harness connection check
3.Throttle min switch bad 3.Throttle min switch check
4.Controller bad
D-80 Air intake throttle position warning 1.Valve position sensor
1.Voltage above normal
check

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2.Valve position sensor

2.Voltage below normal
check
1.Engine temperature
1.Voltage above normal sensor open or short circuit
check
D-82 Exhaust temperature sensor warning
2.Engine temperature
2.Voltage below normal sensor open or short circuit
check
1.DOC/DPF temperature
1.Voltage above normal sensor open or short circuit
check
DOC/DPF inlet temperature sensor 2.DOC/DPF temperature
D-83
warning 2.Voltage below normal sensor open or short circuit
check
3.DOC/DPF temperature is
3.Temperature is low
low
1.Engine pressure sensor
1.Voltage above normal
DPF absolute pressure sensor open or short circuit check
D-84
warning 2.Engine pressure sensor
2.Voltage below normal
open or short circuit check
1.Differential pressure
1.Abnormal rate of change
problem
DPF differential pressure sensor 2.DPF collects excessive
D-85 2.Pressure is high
warning soot
3.Differential pressure
3.Pressure is low
problem
1.DPF collects excessive
D-87 DPF warning 1.Soot load percent is high
soot
1.Sensor and wiring voltage 1.DPF exhaust temperature
DPF Exhaust Temperature Sensor above normal check
D-88
Warning 2.Sensor and wire voltage 2.DPF exhaust temperature
below normal check
1.Engine oil pressure
1.Voltage above normal sensor open or short circuit
check
2.Engine oil pressure
D-89 Engine oil pressure sensor warning 2.Voltage below normal sensor open or short circuit
check
3.Pressure is low 3.Low engine oil pressure
4. 5V sensor supply circuit
4.Data drifted low
check
D-90 Engine oil viscosity warning 1.Viscosity is low 1.Oil contains fuel
D-91 Throttle motor fault 1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
3.Throttle motor bad 3.Throttle motor check

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4.Controller bad
1.Intake manifold air
1.Pressure is severely high
Intake manifold pressure sensor pressure is high
D-92
warning 2.Intake manifold air
2.Pressure is severely low
pressure is low
1.Intake manifold
temperature sensor open or
1.Voltage above normal
short circuit check (Passive
sensors)
Intake manifold temperature sensor 2.Intake manifold
D-93
warning temperature sensor open or
2.Voltage below normal
short circuit check (Passive
sensors)
3.Intake manifold air
3.Temperature is high
temperature is high
1.Air take temperature
1.Voltage above normal sensor open or short circuit
Air intake temperature sensor check (Passive sensors)
D-94
warning 2.Air take temperature
2.Voltage below normal sensor open or short circuit
check (Passive sensors)
1.Fuel rail pressure
1.Pressure is high
problem
2.Fuel rail pressure
2.Pressure is low
problem
D-95 Fuel rail pressure sensor warning
3.Engine pressure sensor
3.Voltage above normal
open or short circuit check
4.Engine pressure sensor
4.Voltage below normal
open or short circuit check
1.Leakage is most severely 1.Fuel rail pressure
D-96 Fuel leak warning
high problem
1.Calibration memory is
erratic, intermittent, or 1.Flash programming
incorrect
D-97 ECM system warning
2.Calibration module is
erratic, intermittent, or 2.ECM memory check
incorrect
1.Soot load percent is 1.DPF collects excessive
D-98 DPF warning
severely high soot

Error
Description Probable cause Check point
Code
E-21 Air flow meter fault Refer to a service manual Refer to a service manual
E-22 Water temperature sensor fault Refer to a service manual Refer to a service manual
E-23 Throttle sensor fault Refer to a service manual Refer to a service manual
E-24 Accelerator sensor fault Refer to a service manual Refer to a service manual

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E-25 O2 sensor fault Refer to a service manual Refer to a service manual

E-26 O2 sensor heater fault Refer to a service manual Refer to a service manual

E-27 POS sensor fault Refer to a service manual Refer to a service manual
E-28 Phase sensor fault Refer to a service manual Refer to a service manual
E-29 Self shutdown system fault Refer to a service manual Refer to a service manual
E-30 ECCS C/U System fault Refer to a service manual Refer to a service manual
E-31 Throttle control fault Refer to a service manual Refer to a service manual
E-32 Over heat (STEP1) Refer to a service manual Refer to a service manual
E-33 Over heat (STEP2) Refer to a service manual Refer to a service manual
E-34 Ignition system fault Refer to a service manual Refer to a service manual
E-35 F/Inj disconnection Refer to a service manual Refer to a service manual
E-36 Fuel pressure sensor fault Refer to a service manual Refer to a service manual
E-37 Fuel temperature sensor fault Refer to a service manual Refer to a service manual
E-38 LPG result signal fault Refer to a service manual Refer to a service manual
E-39 Mast height switch fault Refer to a service manual Refer to a service manual
E-40 Oil pressure sensor fault Refer to a service manual Refer to a service manual
E-41 Stop lamp switch fault Refer to a service manual Refer to a service manual
E-42 GAS air-fuel ratio malfunction Refer to a service manual Refer to a service manual
E-43 LPG air-fuel ratio malfunction Refer to a service manual Refer to a service manual
E-44 Absolute pressure sensor error Refer to a service manual Refer to a service manual

Error
Description Probable cause Check point
Code
1.Controller bad
S01 OCM Memory error
2.Setting data bad 2.Setting data check
1.Connector connection
1.Connector contact bad
check

S02 OCM Battery voltage fault 2.Harness bad 2.Harness connection check
3.Battery bad 3.Battery check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
S03 VCM communication error
3.Communication line
3.VCM Controller bad
check
4.Controller bad
S04 ECM communication error 1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
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3.Communication line
3.ECM Controller bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
S05 DCM communication error
3.Communication line
3.DCM Controller bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
S06 OCM communication error
3.Communication line
3.OCM Controller bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
S07 MP communication error
3.Communication line
3.Meter panel bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
S08 TMS communication error
3.Communication line
3.TMS bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
S10 APS1 input signal error
3.Accel position sensor
3.Accel position sensor bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Harness bad 2.Harness connection check
S11 APS2 input signal error
3.Accel position sensor
3.Accel position sensor bad
check
4.Controller bad
S13 APS1/APS2 input signal correlated 1.Connector connection
1.Connector contact bad
error check
2.Harness bad 2.Harness connection check

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3.Accel position sensor

3.Accel position sensor bad
check
4.Controller bad
1.Connector connection
1.Connector contact bad
check

S14 Idle switch error 2.Harness bad 2.Harness connection check

3.Idle switch bad 3.Idle switch check
4.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
S40 Service brake solenoid error 3.Harness bad 3.Harness connection check
4.Service brake solenoid 4.Service brake solenoid
bad connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
S41 Service brake solenoid leak 3.Harness bad 3.Harness connection check
4.Service brake solenoid 4.Service brake solenoid
bad connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
S42 Parking brake solenoid error 3.Harness bad 3.Harness connection check
4.Parking brake solenoid 4.Parking brake solenoid
bad connection check
5.Controller bad
1.Connector connection
1.Connector contact bad
check
2.Diode bad 2.Diode connection check
S43 Parking brake solenoid leak 3.Harness bad 3.Harness connection check
4.Parking brake solenoid 4.Parking brake solenoid
bad connection check
5.Controller bad

Error
Description Probable cause Check point
Code
F-16 Shift lever fault 1.Connector contact bad 1.Connector connection check

2.Harness bad 2.Harness connection check

3.Shift lever bad 3.Shift lever check

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4.Controller bad

Error code F-16 Error name Shift Lever Abnormal Signal

Error criteria ·Multiple shift lever contact signals are on simultaneously.

Threshold ... Check: Multiple shift lever inputs Duration: 400 ms or more

Error cause 1. Abnormal installation of shift lever 4. Abnormal controller

2. Abnormal shift lever contact 5. Abnormal panel meter
3. Abnormal harness

Processing flow

F-16

Connect the service tool and change the shift lever to

F/N/R to check the position switch for ON or OFF on the
I/O monitor

Y Is only one of
shift lever positions
F, N, and R ON?

Does the
shift lever need to Check the installation state of the shift
be replaced or lever (such as connector engagement)
adjusted?

Remove the FR switch section, and change the lever to

F/N/R to check contact continuity with a tester

Is continuity of each N
Abnormal shift lever switch
signal normal?*1

Does Y
replacement of panel meter Abnormal panel meter
solve the problem?

Does
replacement of VCM Y
Abnormal VCM controller
controller solve the
problem?

*1 Status of shift lever contact signal

F: 2-30N
Abnormal harness N: 1-40N
R: 2-50N

Error
Description Probable cause Check point
Code
F-17 Speed error 1.Connector contact bad 1.Connector connection check

2.Harness bad 2.Harness connection check

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3.Speed sensor bad 3.Sensor connection check

4.Controller bad

Error code F-17 Error name Vehicle Speed Abnormal Signal

Error criteria ·Abnormal vehicle speed (30 km/h or more) is detected.

Threshold Check: Outside of range from 0 to 30 km/h
Duration: 400 ms or more
Error cause 1. Abnormal installation of vehicle speed sensor 4. Abnormal controller
2. Abnormal vehicle speed sensor 5. Abnormal parameter setting
3. Abnormal harness

Processing flow

F-17

Check the parameter settings

(automobile rank, gear ratio, etc.)

Are parameter N
settings Set parameters again
normal?

Check the installation state of the

vehicle speed sensor (such as sensorgap)

N Install the vehicle speed

Is installation normal?
sensor normally

Replace the vehicle speed sensor

Does
replacement of vehicle Y Abnormal vehicle
speed sensor solve the speed sensor
problem?

Replace the VCM controller

Does
replacement of VCM Y Abnormal VCM
controller solve the controller
problem?

Abnormal harness

Problem: Joystick Lever Error (F29)

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Error
Description Probable cause Check point
Code
1.Connector contact bad 1.Connector connection check

2.Harness bad 2.Harness connection check

F-34 Speed sensor error
3.Speed sensor bad 3.Sensor connection check

4.Controller bad

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Error code F-34 Error name Vehicle Speed Sensor Abnormal Signal

Error criteria ·The vehicle speed sensor is open-circuited or short-circuited.

Threshold Check: 1.3 V or less, or 4.9 V or more
Duration: 400 ms or more
Error cause 1. Abnormal installation of vehicle speed sensor 4. Abnormal controller
2. Abnormal vehicle speed sensor
3. Abnormal harness

Processing flow

F-34

Check the installation state of the vehicle

speed sensor (such as sensor gap)

N Install the vehicle speed

Is installation normal?
sensor normally

Replace the vehicle speed sensor

Does
replacement of vehicle Y Abnormal vehicle
speed sensor solve the speed sensor
problem?

Replace the VCM controller

Does
replacement of VCM Y Abnormal VCM
controller solve the controller
problem?

Abnormal harness

Error
Description Probable cause Check point
Code
F-36 Wheel sensor error 1.Connector contact bad 1.Connector connection check

2.Harness bad 2.Harness connection check

3.Wheel sensor bad 3.Sensor connection check

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4.Joint and link bad 4.Joint and link check

5.Controller bad

Error code F-36 Error name Steering Sensor Abnormal Signal

Error criteria The steering angle sensor level is outside the specified range.
Threshold: 0.27 V or less, or 4.86 V or more
Duration: 400 ms or more
Error cause 1. Abnormal installation of steering sensor 4. Abnormal controller
2. Abnormal steering sensor
3. Abnormal harness

Processing flow

F-36

Connect the service tool and display I/O

monitor page [3] (VCM1) or [4] (VCM2)

Turn on the key to start the engine.

Steer the wheel to straight

Check the steering angle at the straight position

Is the angle value N

near 2.2V?

Turn the steering wheel to left to check that the steering

sensor continuously changes to 1V or less (two left turns)

N
Continuous change to 1V?

Return the wheel to straight

N Is the angle value

near 2.2V?

As with left turn, turn the steering wheel to right to check

that the steering sensor continuously changes to 4V or
more (two right turns)

N
Continuous change to 4V?

Return the wheel to straight

N Is the angle value

near 2.2V?

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Error code F-36 Error name Steering Sensor Abnormal Signal

(Continued)

Check whether the steering sensor is

installed normally

Is it installed N Abnormal installation of

normally? steering sensor

Replace the steering sensor

Normal after Y Abnormal steering

replacement? sensor

Replace the VCM controller

Normal after Y Abnormal VCM

replacement? controller

Abnormal harness

Error
Description Probable cause Check point
Code
F-40 Steering fault 1.Connector contact bad 1.Connector connection check

2.Harness bad 2.Harness connection check

3.Wheel sensor bad 3.Sensor connection check

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4.Controller bad

Error code F-40 Error name Steering Abnormal Signal

Error criteria 1. The steering wheel angle does not change even though the steering angle has changed.
2. When the current steering wheel angle is corrected while the steering wheel angle neutral switch is
input, the difference between and after correction is 330 degrees or more.
3. The neutral switch is not input while the steering rotation is 380 degrees or more.
Error cause 1. Abnormal installation of steering angle sensor 4. Abnormal steering sensor
2. Abnormal steering angle sensor 5. Abnormal harness
3. Abnormal installation of steering sensor 6. Abnormal controller

Processing flow

F-40

Connect the service tool and display I/O

monitor page [3] (VCM1) or [4] (VCM2)

Turn on the key to start engine with the

knob set to straight (neat 8 o'clock) Note:
*1 -720 degrees is displayed
*1 when two left turns are made.
Turn the steering wheel to left to check that the *2 720 degrees is displayed
current steering angle display changes -180 degrees each when two right turns are made.
time a half turn is made

Does the current N

steering angle change?

Return steering to straight position

*2
As with left turn, turn the steering wheel to right to check
that the current steering angle display changes 180
degrees each time a half turn is made

Does the current N

steering angle change?

Slowly turn the steering wheel to right and left to

check that the steering angle neutral switch turns on

Does the neutral N

switch turn on?

Turn the steering wheel to check that the

steering angle sensor value changes

Does the steering angle

value change?

Y N

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Error code F-40 Error name Steering Abnormal Signal

(Continued)

Check whether the steering

angle sensor is installed normally

Is it installed N Abnormal installation of

normally? steering angle sensor

Replace the steering angle sensor

Normal after Y Abnormal steering

replacement? angle sensor

Check whether the steering

sensor is installed normally

Is it installed N Abnormal installation of

normally? steering sensor

Replace the steering sensor

Normal after Y Abnormal steering

replacement? sensor

Replace the VCM controller

Normal after Y Abnormal VCM

replacement? controller

Abnormal harness

Problem: Output Unit Error (F41)

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Problem: Output Unit PWM Voltage Error (F44)

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Problem: Output Unit Communication Error (F45)

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Problem: Input Unit Error (F46)

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Problem: Input Unit Communication Error (F49)

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Error
Description Probable cause Check point
Code
1.Connector contact bad 1.Connector connection check

2.Diode bad 2.Diode connection check

F-75 Unload solenoid error 3.Harness bad 3.Harness connection check

4.Unload solenoid bad 4.Unload solenoid connection check

5.Controller bad

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Error code F-75 Error name Unload Solenoid Abnormal Signal

Error criteria ·Unload solenoid current is abnormal (outside the specified range).
Threshold Check: (1) 160 mA or less, or (2) 2.4 A or more
Duration: (1) 1,800 ms or more, or (2) 200 ms or more
Error cause 1. Abnormal unload solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow

F-75

Using a tester, check unload solenoid resistance at the

CN1 terminal of the VCM controller

Y
Is installation normal?

Y
Is resistance near 0 ohm?

Disconnect the unload

solenoid connector

Replace the VCM controller Does resistance remain near Y Abnormal harness
0 ohm? (short circuit)

Does
replacement of VCM Y Abnormal VCM
controller solve the controller
problem?

Replace the unload solenoid

Does
replacement of unload Y Abnormal unload
solenoid solve the solenoid
problem?

Abnormal harness

Error
Description Probable cause Check point
Code
F-77 Liftlock solenoid error 1.Connector contact bad 1.Connector connection check

2.Diode bad 2.Diode connection check

3.Harness bad 3.Harness connection check

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4.Liftlock solenoid bad 4.Liftlock solenoid connection check

5.Controller bad

Error code F-77 Error name Lift Lock Valve Abnormal Signal

Error criteria ·Lift lock solenoid current is abnormal (outside the specified range).
Threshold Check: (1) 160 mA or less, or (2) 3.4 A or more
Duration: (1) 1,800 ms or more, or (2) 200 ms or more
Error cause 1. Abnormal lift lock solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow
Note) This error occurs only in VCM-I.
F-77

Using a tester, check lift lock solenoid resistance at the

CN1 terminal of the VCM I controller

Y
Is resistance normal?

Y
Is resistance near 0 ohm?

Disconnect the lift lock

solenoid connector

Replace the VCM controller Does resistance remain near Y Abnormal harness
0 ohm? (short circuit)

Does
replacement of VCM Y Abnormal VCM
controller solve the controller
problem?

Replace the lift lock solenoid

Does
replacement of lift Y Abnormal lift lock
lock solenoid solve solenoid
the problem?

Abnormal harness

Error
Description Probable cause Check point
Code
F-79 Unload solenoid leak 1.Connector contact bad 1.Connector connection check

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2.Diode bad 2.Diode connection check

3.Harness bad 3.Harness connection check

4.Unload solenoid bad 4.Unload solenoid connection check

5.Controller bad

Error code F-79 Error name Unload Solenoid/Lift Lock Valve Leak Signal

Error criteria ·Current is not 0 when the solenoid output is off.

Threshold Check: 180 mA or more when output is off.
Duration: 600 ms or more
Error cause 1. Abnormal unload or lift lock solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow
* This lift lock solenoid is VCM- I only.
F-79

Using a tester, check lift lock solenoid resistance at the

CN1 terminal of the VCM controller

N
Is resistance normal?

Using a tester, check unload solenoid resistance at the Disconnect the lift lock
CN1 terminal of the VCM controller solenoid connector

Y Abnormal lift lock

Is F-79 removed?
solenoid

N
N
Is resistance normal?

Y
Disconnect the lift lock
solenoid connector

Y
Is F-79 removed? Abnormal unload solenoid

Replace the VCM controller

Does N
replacement of VCM controller solve the Abnormal harness
problem?

Abnormal VCM controller

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Error
Description Probable cause Check point
Code
1.Connector contact bad 1.Connector connection check

2.Diode bad 2.Diode connection check

3.Harness bad 3.Harness connection check

F-80 Knob position solenoid error
4.Knob position solenoid connection
4.Knob position solenoid bad
check

5.Controller bad

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Error code F-80 Error name Power Steering Correction Valve Solenoid Abnormal Signal

Error criteria Solenoid current is outside the specified range when the solenoid is on.
Threshold: 0.16 A or less, or 2.6 A or more
Duration: 400 ms or more
Error cause 1. Abnormal power steering correction solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow
Note) *1
F-80 ·Active test setting method
1) Click "Active Test" from the "View" menu in
the service tool window to display the Active Test
Connect the service tool and turn on the key window.
(do not start the engine)
2) Select the active test flag and power steering
correction solenoid check box.
Set the VCM controller in active test mode and
set the power steering correction solenoid to on (*1) 3) Click "Write"

4) When the write confirmation dialog box

Check the power steering correction solenoid appears, click"Yes".
current on the service tool I/O monitor

5) When the write complete dialog box appears,

click "OK" to complete setting.
Y
Is current near 2.2 A?

N
Note)
Turn off the key *2 Solenoid short circuit ... Resistance: Near 0
ohm
*3 Solenoid open circuit ... Resistance: Several
Using a tester, check power steering correction kilo ohms
solenoid resistance at the CN1 terminal of the
VCM controller

Y
Solenoid short circuit?*2

Disconnect the power

N Solenoid open circuit?*3 steering correction solenoid
connector

Replace the power steering correction N

Solenoid open circuit?
solenoid

Y Y

Y Abnormal power
Normal after
steering correction
replacement? solenoid

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Error code F-80 Error name Power Steering Correction Valve Solenoid Abnormal Signal

(Continued)

Replace the VCM controller

Normal after Y
Abnormal VCM controller
replacement?

Abnormal harness

Error
Description Probable cause Check point
Code
F-84 Knob position solenoid leak 1.Connector contact bad 1.Connector connection check

2.Diode bad 2.Diode connection check

3.Harness bad 3.Harness connection check

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4.Knob position solenoid connection

4.Knob position solenoid bad
check

5.Controller bad

Error code F-84 Error name Power Steering Correction Solenoid/Tilt Lock Valve Leak Signal

Error criteria Solenoid current is not 0 when the solenoid is off.

Threshold: Solenoid current: 0.18 A or more
Duration: 600 ms or more
Error cause 1. Abnormal power steering correction solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow

F-84

Using a tester, check power steering correction solenoid

resistance at the CN1 terminal of the VCM controller

Y
Is resistance normal?

Disconnect the power steering

correction solenoid connector

Y Abnormal power steering

Is F-84 removed?
correction solenoid

Replace the VCM controller

Normal after N
Abnormal harness
replacement?

Abnormal VCM controller

Error
Description Probable cause Check point
Code

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1.Connector contact bad 1.Connector connection check

2.Diode bad 2.Diode connection check

3.Harness bad 3.Harness connection check

F-85 Transmission Forward solenoid error
4.Transmission Forward solenoid 4.Transmission Forward solenoid
bad connection check

5.Controller bad

Error code F-85 Error name T/M Forward Travel Solenoid Abnormal Signal

Error criteria ·T/M forward solenoid current is abnormal (outside the specified range).
Threshold Check: (1) 250 mA or less, or (2) 3.8 A or more
Duration: (1) 1,800 ms or more, or (2) 200 ms or more
Error cause 1. Abnormal T/M forward solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow

F-85

Using a tester, check lift lock solenoid resistance at the

CN1 terminal of the VCM I controller

Y
Is resistance normal?

Y
Is resistance near 0 ohm?

Disconnect the T/M forward

solenoid connector

Replace the VCM controller Does resistance remain near Y Abnormal harness
0 ohm? (short circuit)

Does
replacement of VCM Y Abnormal VCM
controller solve the controller
problem?

Replace the T/M forward solenoid

Does
replacement of T/M Y Abnormal T/M
forward solenoid solve the forward solenoid
problem?

Abnormal harness

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Error
Description Probable cause Check point
Code
1.Connector contact bad 1.Connector connection check

2.Diode bad 2.Diode connection check

3.Harness bad 3.Harness connection check

F-87 Transmission Backward solenoid error
4.Transmission Backward solenoid 4.Transmission Backward solenoid
bad connection check

5.Controller bad

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Error code F-87 Error name T/M Reverse Travel Solenoid Abnormal Signal

Error criteria ·T/M reverse solenoid current is abnormal (outside the specified range).
Threshold Check: (1) 250 mA or less, or (2) 3.8 A or more
Duration: (1) 1,800 ms or more, or (2) 200 ms or more
Error cause 1. Abnormal T/M reverse solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow

F-87

Using a tester, check lift lock solenoid resistance at the

CN1 terminal of the VCM I controller

Y
Is resistance normal?

Y
Is resistance near 0 ohm?

Disconnect the T/M reverse

solenoid connector

Replace the VCM controller Does resistance remain near Y Abnormal harness
0 ohm? (short circuit)

Does
replacement of VCM Y Abnormal VCM
controller solve the controller
problem?

Replace the T/M reverse solenoid

Does
replacement of T/M Y Abnormal T/M
forward solenoid solve the reverse solenoid
problem?

Abnormal harness

Error
Description Probable cause Check point
Code
F-89 Transmission solenoid leak 1.Connector contact bad 1.Connector connection check

2.Diode bad 2.Diode connection check

3.Harness bad 3.Harness connection check

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4.Transmission solenoid connection

4.Transmission solenoid bad
check

5.Controller bad

Error code F-89 Error name T/M Solenoid Leak Signal

Error criteria ·Current is not 0 when the solenoid output is off.

Threshold Check: 280 mA or more when output is off.
Duration: 600 ms or more
Error cause 1. Abnormal T/M forward or reverse solenoid
2. Abnormal harness
3. Abnormal controller

Processing flow

F-89

Using a tester, check lift lock solenoid resistance at the

CN1 terminal of the VCM controller

N
Is resistance normal?

Using a tester, check unload solenoid resistance at the Disconnect the T/M forward
CN1 terminal of the VCM controller solenoid connector

Y Abnormal T/M
Is F-89 removed?
forward solenoid

N
N
Is resistance normal?

Y
Disconnect the T/M reverse
solenoid connector

Y Abnormal T/M
Is F-89 removed?
reverse solenoid

Replace the VCM controller

Does N
replacement of VCM controller solve the Abnormal harness
problem?

Abnormal VCM controller

Diagnostic code descriptions

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How to read the table

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