Section 106 (Engine Controls - Self-Diagnostics)
WARNING: This page is about a different car, the 2003 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- On-Board Diagnostics
- Freeze-Frame Data
- Testing Procedure
- Retrieving Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Fail-Safe Modes
- Notes
- DTC P0102, P0103 Or P1102: MAF Sensor
- DTC P0117 Or P0118: ECT Sensor
- DTC P0122, P0123, P0222, P0223 Or P2135: TP Sensor
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Function
- DTC P1124 Or P1126: Throttle Control Motor Relay
- DTC P2122, P2123, P2127, P2128 Or P2138: Accelerator Pedal Position Sensor
- ECM (DTCs Not Accessible)
- System Readiness Test
- Engine Control Module Location
- Scan Tool Usage
- Programming
- Summary
- Diagnostic Trouble Code Definitions
- Connector Identification
- Diagnostic Tests
- DTC P0011: Intake/Valve Timing Cont - B1 Or P0021: Intake/Valve Timing Cont - B2
- DTC P0031, DTC P0032, DTC P0051 Or DTC P0052
- DTC P0037, DTC P0038, DTC P0057 Or DTC P0058
- DTC P0101: Mass Airflow Sensor
- DTC P0102, DTC P0103 Or DTC P1102
- DTC P0112 Or DTC P0113: Intake Air Temperature Sensor
- DTC P0117, DTC P0118 Or DTC P0125: Engine Coolant Temperature Sensor
- DTC P0122, DTC P0123, DTC P0222, DTC P0223 Or DTC P2135: Throttle Position Sensor
- DTC P0127: Intake Air Temperature Sensor (Incorrect Voltage)
- DTC P0128: Thermostat Function
- DTC P0132 Or DTC P0152: Bank 1 Or Bank 2 Ho2S1 (High Voltage)
- DTC P0133 Or DTC P0153: Bank 1 Or Bank 2 Ho2S1 (Response Monitoring)
- DTC P0134 Or DTC P0154: Bank 1 Or Bank 2 Ho2S1 (Circuit)
- DTC P0138 Or DTC P0158: Bank 1 Or Bank 2 Ho2S2 (Max Voltage Monitoring)
- DTC P0139 Or DTC P0159: Bank 1 Or Bank 2 Ho2S2 (Response Monitoring)
- DTC P0171 Or DTC P0174: Bank 1 Or Bank 2 Fuel Injection System Function (Lean)
- DTC P0172 Or DTC P0175: Bank 1 Or Bank 2 Fuel Injection System Function (Rich)
- DTC P0181, DTC P0182 Or DTC P0183: Fuel Tank Temperature Sensor
- DTC P0300-P0308: Cylinder Or Multiple Cylinder Misfire
- DTC P0327, DTC P0328, DTC P0332 Or DTC P0333: Bank 1 Or Bank 2 Knock Sensor
- DTC P0335: Crankshaft Position Sensor (Pos)
- DTC P0340: Camshaft Position Sensor (Phase)
- DTC P0420 Or DTC P0430: Bank 1 Or Bank 2 (3-Way Catalyst Function)
- DTC P0441: EVAP Control System Purge Flow Monitoring
- DTC P0442, DTC P0455 Or DTC P1442: EVAP Control System
- DTC P0444 Or DTC P0445: EVAP Canister Purge Volume Control Solenoid Valve (Excessively Low Or High Voltage)
- DTC P0447: EVAP Canister Vent Control Valve (Circuit)
- DTC P0452: EVAP Control System Pressure Sensor (Low Voltage)
- DTC P0453: EVAP Control System Pressure Sensor (High Voltage)
- DTC P0456 Or DTC P1456: EVAP Control System (Very Small Leak)
- DTC P0460: Fuel Level Sensor Function (Slosh)
- DTC P0461: Fuel Level Sensor Function
- DTC P0462 Or DTC P0463: Fuel Level Sensor Circuit
- DTC P0500: Vehicle Speed Sensor
- DTC P0506: Idle Speed Control System
- DTC P0507: Idle Speed Control System
- DTC P0550: Power Steering Pressure Sensor
- DTC P0605: ECM
- DTC P0650: Mil (Circuit)
- DTC P1065: ECM Power Supply (Back-Up)
- DTC P1111 Or DTC P1136: Bank 1 Or Bank 2 Intake Valve Timing (IVT) Control Solenoid Valve (Circuit)
- DTC P1119: Radiator Coolant Temperature Sensor (Circuit)
- DTC P1121: Electric Throttle Control Actuator
- DTC P1122: Electric Throttle Control Function (Circuit)
- DTC P1124 Or DTC P1126: Throttle Control Motor Relay (Circuit)
- DTC P1128: Throttle Control Motor (Circuit)
- DTC P1140 Or DTC P1145: Bank 1 Or Bank 2 Intake Valve Timing (IVT) Control Position Sensor (Circuit)
- DTC P1143 Or DTC P1163: Bank 1 Or Bank 2 Ho2S1 (Lean Shift Monitoring)
- DTC P1144 Or DTC P1164: Bank 1 Or Bank 2 Ho2S1 (Rich Shift Monitoring)
- DTC P1146 Or DTC P1166: Ho2S2 (Minimum Voltage)
- DTC P1147 Or DTC P1167: Ho2S2 (Maximum Voltage)
- DTC P1148 Or DTC P1168: Bank 1 Or Bank 2 Closed Loop Control
- DTC P1211: TCS Control Unit
- DTC P1212: TCS Communication Line
- DTC P1217: Engine Over Temperature (Overheat)
- DTC P1220: Fuel Pump Control Module
- DTC P1225: TP Sensor
- DTC P1226: TP Sensor
- DTC P1229: Sensor Power Supply
- DTC P1444: EVAP Canister Purge Volume Control Valve
- DTC P1446: EVAP Canister Vent Control Valve (Close)
- DTC P1448: EVAP Canister Vent Control Valve (Open)
- DTC P1464: Fuel Level Sensor Circuit (Ground Signal)
- DTC P1480: Cooling Fan Speed Control Solenoid Valve (Circuit)
- DTC P1490: Vacuum Cut Valve By-Pass Valve
- DTC P1491: Vacuum Cut Valve By-Pass Valve
- DTC P1706: Park/Neutral Position Switch
- DTC P1720: Vehicle Speed Sensor (A/T Output)
- DTC P1780: Shift Change Signal
- DTC P1805: Brake Switch
- DTC P2122, DTC P2123, DTC P2127, DTC P2128 Or DTC P2138: Accelerator Pedal Position Sensor
- DTC U1000 Or DTC U1001: Can Communication Line