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.
caution When the ignition switch is turned ON with the connector disconnected in proceeding with troubleshooting, the diagnosis code may be set in other systems. Erase codes if diagnosis codes of all the systems are checked and the codes are set after completion of the troubleshooting.
Code No.
Diagnosis item
Reference page
P0031
Oxygen sensor (front) heater circuit low input

P0032
Oxygen sensor (front) heater circuit high input

P0037
Oxygen sensor (rear) heater circuit low input <EURO4>

P0038
Oxygen sensor (rear) heater circuit high input <EURO4>

P0068
Trustful check air flow sensor

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

P0121
Trustful check throttle position sensor (main)

P0122
Throttle position sensor (main) circuit low input

P0123
Throttle position sensor (main) circuit high input

P0131
Oxygen sensor (front) circuit low voltage

P0132
Oxygen sensor (front) circuit high voltage

P0133
Oxygen sensor (front) circuit slow response

P0134
Oxygen sensor (front) circuit no activity detected

P0137
Oxygen sensor (rear) circuit low voltage

P0138
Oxygen sensor (rear) circuit high voltage

P0171
Abnormal fuel system (lean)

P0172
Abnormal fuel system (rich)

P0221
Trustful check throttle position sensor (sub)

P0222
Throttle position sensor (sub) circuit low input

P0223
Throttle position sensor (sub) circuit high input

P0261
No. 1 injector circuit low input

P0262
No. 1 injector circuit high input

P0264
No. 2 injector circuit low input

P0265
No. 2 injector circuit high input

P0267
No. 3 injector circuit low input

P0268
No. 3 injector circuit high input

P0270
No. 4 injector circuit low input

P0271
No. 4 injector 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

P0327
Detonation sensor circuit low input

P0328
Detonation sensor circuit high input

P0335
Crank angle sensor system

P0340
Camshaft position sensor system

P0421
Catalyst malfunction

P0458
Purge control solenoid valve circuit low input

P0459
Purge control solenoid valve circuit high input

P0500
Vehicle speed sensor system

P0513
Immobilizer system

P0537
Fin thermo sensor circuit low input

P0538
Fin thermo sensor circuit high input

P0602
Variant coding system

P0604
RAM error

P0606
Engine-ECU main processor malfunction

P060B
A/D converter

P060D
Trustful check accelerator pedal position sensor

P061A
Torque monitoring

P061F
Fail-safe control system

P0622
Alternator FR terminal system

P062F
EEPROM malfunction

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

P1238
Air flow sensor trustful for torque monitoring

P1242
Fail-safe control monitoring

P1243
Inquiry/response error

P1603
Battery backup circuit malfunction

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

U0121
ABS-ECU/ASTC-ECU time-out

U0141
ETACS-ECU time-out

U0155
Combination meter time-out

U0167
Immobilizer communication error