INSPECTION CHART FOR DIAGNOSIS CODE


warning When touching the throttle valve, surely shut off the driving circuits of the throttle valve. In the event that the throttle valve is operated, a finger might be injured as the result of being caught by the throttle valve.


Code No.
Diagnosis item
Reference page
P0031
Right bank oxygen sensor (front) heater circuit low input

P0032
Right bank oxygen sensor (front) heater circuit high input

P0037
Right bank oxygen sensor (rear) heater circuit low input

P0038
Right bank oxygen sensor (rear) heater circuit high input

P0051
Left bank oxygen sensor (front) heater circuit low input

P0052
Left bank oxygen sensor (front) heater circuit high input

P0057
Left bank oxygen sensor (rear) heater circuit low input

P0058
Left bank oxygen sensor (rear) heater circuit high input

P0102
Air flow sensor circuit low input

P0103
Air flow sensor circuit high input

P0107
Manifold absolute pressure sensor circuit low input

P0108
Manifold absolute pressure sensor circuit high input

P0112
Intake air temperature sensor circuit low input

P0113
Intake air temperature sensor circuit high input

P0117
Engine coolant temperature sensor circuit low input

P0118
Engine coolant temperature sensor circuit high input

P0122
Throttle position sensor (main) circuit low input

P0123
Throttle position sensor (main) circuit high input

P0125
Insufficient coolant temperature for closed loop fuel control

P0131
Right bank oxygen sensor (front) circuit low voltage

P0132
Right bank oxygen sensor (front) circuit high voltage

P0133
Right bank oxygen sensor (front) circuit slow response

P0134
Right bank oxygen sensor (front) circuit no activity detected

P0137
Right bank oxygen sensor (rear) circuit low voltage

P0138
Right bank oxygen sensor (rear) circuit high voltage

P0151
Left bank oxygen sensor (front) circuit low voltage

P0152
Left bank oxygen sensor (front) circuit high voltage

P0153
Left bank oxygen sensor (front) circuit slow response

P0154
Left bank oxygen sensor (front) circuit no activity detected

P0157
Left bank oxygen sensor (rear) circuit low voltage

P0158
Left bank oxygen sensor (rear) circuit high voltage

P0171
Right bank abnormal fuel system (lean)

P0172
Right bank abnormal fuel system (rich)

P0174
Left bank abnormal fuel system (lean)

P0175
Left bank abnormal fuel system (rich)

P0201
No. 1 injector system

P0202
No. 2 injector system

P0203
No. 3 injector system

P0204
No. 4 injector system

P0205
No. 5 injector system

P0206
No. 6 injector system

P0222
Throttle position sensor (sub) circuit low input

P0223
Throttle position sensor (sub) circuit high input

P0300
Random/multiple cylinder misfire detected

P0301
No. 1 cylinder misfire detected

P0302
No. 2 cylinder misfire detected

P0303
No. 3 cylinder misfire detected

P0304
No. 4 cylinder misfire detected

P0305
No. 5 cylinder misfire detected

P0306
No. 6 cylinder misfire detected

P0326
Right bank detonation sensor circuit performance

P0327
Right bank detonation sensor circuit low input

P0328
Right bank detonation sensor circuit high input

P0331
Left bank detonation sensor circuit performance

P0332
Left bank detonation sensor circuit low input

P0333
Left bank detonation sensor circuit high input

P0335
Crank angle sensor system

P0340
Camshaft position sensor system

P0421
Warm up catalyst malfunction (right bank)

P0431
Warm up catalyst malfunction (left bank)

P0443
Purge control solenoid valve system

P0489
Exhaust gas recirculation valve (stepper motor) circuit malfunction (Ground short) <Except vehicles for Russia>

P0490
Exhaust gas recirculation valve (stepper motor) circuit malfunction (Battery short) <Except vehicles for Russia>

P0513
Immobilizer malfunction

P0603
EEPROM malfunction

P0606
Engine-ECU main processor malfunction

P0622
Alternator FR terminal system

P0630
Chassis number not programmed

P0638
Throttle valve control servo circuit range/performance problem

P0642
Throttle position sensor power supply

P0657
Throttle valve control servo relay circuit malfunction

P0660
Variable induction control solenoid valve system

P1020
Mitsubishi innovative valve timing electronic control system (MIVEC) performance problem

P1021
Oil feeder control valve system

P1231
Trustful check active stability control (ASC)

P1232
Fail-safe control system

P1233
Trustful check throttle position sensor (main)

P1234
Trustful check throttle position sensor (sub)

P1235
Trustful check air flow sensor

P1236
A/D converter

P1237
Trustful check accelerator pedal position sensor

P1238
Air flow sensor trustful for torque monitoring

P1239
Trustful check engine speed

P1240
Trustful check ignition angle <Vehicles for ASC>

P1241
Torque monitoring

P1242
Fail-safe control monitoring

P1243
Inquiry/response error

P1244
RAM test for all area

P1245
Cyclic RAM test (engine)

P1247
Trustful check A/T

P1248
Trustful check 4WD-ECU

P1590
A/T-ECU to engine-ECU communication error in torque reduction request

P1603
Battery backup circuit malfunction

P1676
Variant coding system

P2100
Throttle valve control servo circuit (open)

P2101
Throttle valve control servo magneto malfunction

P2122
Accelerator pedal position sensor (main) circuit low input

P2123
Accelerator pedal position sensor (main) circuit high input

P2127
Accelerator pedal position sensor (sub) circuit low input

P2128
Accelerator pedal position sensor (sub) circuit high input

P2135
Throttle position sensor (main and sub) range/performance problem

P2138
Accelerator pedal position sensor (main and sub) range/performance problem

P2228
Barometric pressure sensor circuit low input

P2229
Barometric pressure sensor circuit high input

P2252
Oxygen sensor offset circuit low voltage

P2253
Oxygen sensor offset circuit high voltage

U0001
Bus off

U0101
A/T-ECU time-out

U0114
4WD-ECU time-out

U0121
ABS-ECU or ASC-ECU time-out

U0141
ETACS-ECU time-out

U0167
Immobilizer communication error

note
  • Do not replace the engine-ECU until a through terminal check reveals there are no short/open circuit.
  • Check that the engine-ECU earth circuit is normal before checking for the cause of the problem.