Infiniti Fault Codes

List of Codes


Pre-OBDII


11 Crank Angle Sensor


12 Mass Air Flow Sensor


13 ECT Sensor


14 Vehicle Speed Sensor


16 TCS Signal


21 Ignition Signal Circuit


25 Idle Air Control Valve


22 Fuel Pump Control


31 ECM


32 EGR Function


33 Heated Oxygen Sensor


34 Knock Sensor


35 EGR Temperature Sensor (RH)


41 Intake Air Temperature Sensor


42 Fuel Pump Sensor


43 Throttle Position Sensor


45 Injector Leak


46 Secondary Throttle Sensor


51 Injector Analysis


53 Exhaust Gas Sensor (LH)


54 Signal Circuit From A/T Control Unit To ECM


55 System OK (1990-1995 Q45 only)


65-71 Single Cylinder Or Multiple Cylinder Misfire


72 Three Way catalyst Function


76 Fuel Injection System Function


77 Rear Heated Oxygen Sensor


82 Crankshaft Position Sensor


84 A/T Diagnosis Communication Line


91 Front Heated Oxygen Sensor Heater


103 Park/Neutral Position Switch


105 EGR & Canister Control Solenoid

OBD2 Codes


P0000 No Self Diagnostic Failure Indicated


P0100 MAF Sensor


P0105 Absolute Pressure Sensor


P0110 IAT Sensor


P0115 ECT Sensor


P0120 TP Sensor


P0125 ECT Sensor


P0130 Closed Loop, Bank 1 Or Front O2S, Bank 1


P0131 Front O2 Sensor, Bank 1 Lean Shift Monitoring


P0132 Front O2 Sensor, Bank 1 Rich Shift Monitoring


P0133 Front O2 Sensor, Bank 1 Response Monitoring


P0134 Front O2 Sensor, Bank 1 High Voltage


P0135 Front HO2S Heater, Bank 1


P0136 Rear O2S, Bank 1


P0137 Rear O2S, Bank 1 Minimum Voltage Monitoring


P0138 Rear O2S, Bank 1 Maximum Voltage Monitoring


P0139 Rear O2S, Bank 1 Response Monitoring


P0140 Rear O2S, Bank 1 High Voltage


P0141 Rear H02S Heater, Bank 1


P0150 Closed Loop, Bank 2 Or Front O2S, Bank 2


P0151 Front O2 Sensor, Bank 2 Lean Shift Monitoring


P0152 Front O2 Sensor, Bank 2 Rich Shift Monitoring


P0153 Front O2 Sensor, Bank 2 Response Monitoring


P0154 Front O2 Sensor, Bank 2 High Voltage


P0155 Front HO2S Heater, Bank 2


P0156 Rear H02S Sensor, LH Bank


P0157–P0160 Rear O2S, Bank 2


P0161 Rear H02S Heater, LH Bank Or Bank 2


P0171 Fuel System Lean, Bank 1


P0172 Fuel System Rich, Bank 1


P0174 Fuel System Lean, Bank 2


P0175 Fuel System Rich, Bank 2


P0180 Tank Fuel Temp Sensor


P0300 Random Misfire


P0301–P0308 Misfire, Cylinder No. 1–8


P0325 Knock Sensor, Bank 1


P0330 Knock Sensor, Bank 2


P0335 CKP Sensor (Pos)


P0340 CMP


P0400 EGR System


P0402 EGRC/BPT Valve


P0403 EGR Volume Control Valve Circuit


P0420 TW Catalyst System, Bank 1


P0430 TW Catalyst System, Bank 2


P0440 EVAP Small Leak


P0443 Purge Control/V & S/V


P0446 Vent Control Valve


P0450 EVAP Pressure Sensor


P0500 Vehicle Speed Sensor


P0505 IACV/AAC Valve


P0510 Closed TP Sensor


P0600 A/T Comm Line


P0605 ECM/ECU


P0705 PNP Or Inhibitor Switch


P0710 ATF Temp Sensor


P0720 VSS A/T


P0725 Engine Speed Signal


P0731 A/T 1ST Signal


P0732 A/T 2ND Signal


P0733 A/T 3RD Signal


P0734 A/T 4TH Signal Or TCC


P0740 TCC SV Solenoid


P0744 A/T TCC Signal


P0745 Line Pressure S/V


P0750 Shift Solenoid/V A


P0755 Shift Solenoid/V B

P1105 MAP/BARO Switch SOL/V


P1110 Intake Valve Timing Control, LH Bank


P1120 TP Sensor 2


P1125 Tandem TP Sensor


P1130 Swirl Control Valve Control Solenoid Valve


P1135 Intake Valve Timing Control, LH Bank 2


P1140 Intake Valve Timing Control Position Sensor, RH Bank 1


P1145 Intake Valve Timing Control Position Sensor, LH Bank 2


P1148 Closed Loop, Bank 1


P1165 Swirl Control Valve Control Vacuum Check Switch


P1168 Closed Loop, Bank 2


P1210 Traction Control Signal Circuit


P1220 FPCM


P1320 Ignition Signal, Primary


P1335 CKP Sensor (Ref)


P1336 CKP Sensor (POS) Cog


P1400 EGRC Solenoid/V


P1401 EGR Temp Sensor


P1402 EGR System


P1440 EVAP Small Leak


P1441 VC/V Bypass/V


P1443 Canister Control Vacuum Check Switch


P1444 Purge Volume Control/V


P1445 Purge Volume Control/V


P1446 Vent Control Valve


P1447 EVAP Purge Flow


P1448 Vent Control Valve


P1490 VC/V Bypass/V


P1491 VC Cut/V Bypass/V


P1492 Purge Control/V S/V


P1493 Purge Control/V & S/V


P1605 A/T Diag Comm Line


P1705 TP Sensor A/T


P1706 PNP Switch


P1760 Overrun Clutch S/V


P1900 Cooling Fan