Section 114 (Engine Control System Self-Diagnostics - 3.1L Engine)
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Malibu, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Self-Diagnostic System
- Diagnostic Starting Point
- On-Board Diagnostics
- Intermittent Conditions
- Notes
- Preliminary
- Harness or Connector Intermittents
- Electrical Connections or Wiring
- Control Module Power & Grounds, & Component Power & Grounds
- Temperature Sensitivity
- Electromagnetic Interference (EMI) and Electrical Noise
- Incorrect PCM Programming
- Duplicating Failure Conditions
- Scan Tool Snapshot
- Vehicle Data Recorder
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- Diagnostic System Check - Engine Controls
- Clearing Diagnostic Trouble Codes
- Scan Tool Usage
- Pcm Location
- Programming
- Inspection/Maintenance Procedures
- Drive Cycles
- Inspection/Maintenance System Check
- Inspection/Maintenance Complete System Set Procedure
- Inspection/Maintenance System DTCS
- Inspection/Maintenance Catalyst System Set Procedure
- Inspection/Maintenance EGR System Set Procedure
- Inspection/Maintenance EVAP System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor/Oxygen Sensor (Ho2S/O2S) System Set Procedure
- Inspection/Maintenance Heated Oxygen Sensor (Ho2S) Heater System Set Procedure
- Summary
- Diagnostic Trouble Code Definitions
- Component Locations
- Connector Identification
- System Tests
- Diagnostic Tests
- Notes
- DTC P0030: Ho2S Heater Control Circuit (Sensor 1)
- DTC P0101: MAF Sensor Performance
- DTC P0102: MAF Sensor Circuit - Low Voltage
- DTC P0103: MAF Sensor Circuit - High Voltage
- DTC P0107: Map Sensor Circuit - Low Voltage
- DTC P0108: Map Sensor Circuit - High Voltage
- DTC P0112: IAT Sensor Circuit - Low Voltage
- DTC P0113: IAT Sensor Circuit - High Voltage
- DTC P0116: ECT Sensor Circuit Performance
- DTC P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0121: TP Sensor Performance
- DTC P0122: TP Sensor Circuit - Low Voltage
- DTC P0123: TP Sensor Circuit - High Voltage
- DTC P0125: ECT Excessive Time To Enter Closed Loop
- DTC P0128: Engine Coolant Thermostat
- DTC P0130: Ho2S Circuit (Sensor 1)
- DTC P0131: Ho2S Circuit - Low Voltage (Bank 1; Sensor 1)
- DTC P0132: Ho2S Circuit - High Voltage
- DTC P0133: Ho2S Slow Response
- DTC P0134: Ho2S Circuit Insufficient Activity
- DTC P0135: Ho2S Heater Performance
- DTC P0137: Ho2S Circuit - Low Voltage
- DTC P0138: Ho2S Circuit - High Voltage
- DTC P0140: Ho2S Circuit Insufficient Activity (Bank 1; Sensor 2)
- DTC P0141: Ho2S Heater Performance (Bank 1; Sensor 2)
- DTC P0171: Lean Fuel Trim System (Bank 1)
- DTC P0172: Rich Fuel Trim System (Bank 1)
- DTC P0201-P0206: Injector Control Circuit
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: KS Circuit - Low Voltage (Bank 1)
- DTC P0336: CKP Sensor Circuit Performance
- DTC P0341: CMP Sensor Circuit Performance
- DTC P0401: EGR System
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR System
- DTC P0405: EGR Sensor Circuit - Low Voltage
- DTC P0420: TWC System Low Efficiency (Bank 1)
- DTC P0440: EVAP System
- DTC P0442: EVAP System - Leak Detected
- DTC P0443: EVAP Purge Solenoid Control Circuit
- DTC P0446: EVAP Canister Vent Blocked
- DTC P0449: EVAP Canister Vent Solenoid Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0506: Idle Speed - Low
- DTC P0507: Idle Speed - High
- DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681 Or P1683: Control Module Read Only Memory
- DTC P0650: Mil Control Circuit (Century & Grand PRIX)
- DTC P0650: Mil Control Circuit (MALIBU)
- DTC P1106: Map Sensor Circuit Intermittent High Voltage
- DTC P1107: Map Sensor Circuit Intermittent Low Voltage
- DTC P1111: IAT Sensor Circuit Intermittent High Voltage
- DTC P1112: IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114: ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115: ECT Sensor Circuit Intermittent High Voltage
- DTC P1121: TP Sensor Circuit Intermittent High Voltage
- DTC P1122: TP Sensor Circuit Intermittent Low Voltage
- DTC P1133: Ho2S Insufficient Switching (Bank 1; Sensor 1)
- DTC P1134: Ho2S Transition Time Ratio (Bank 1; Sensor 1)
- DTC P1336: Crankshaft Position System Variation Not Learned
- DTC P1351: Ic Circuit High Voltage
- DTC P1352: Ic Output High/Pulse Detected When GND_CYL. 2
- DTC P1361: Ic Circuit Low Voltage
- DTC P1362: Ic Cylinder No. 2 Not Toggling After Enable
- DTC P1374: 3X Reference Circuit
- DTC P1380: EBTCM DTC Detected Rough Road Data Unusable
- DTC P1381: Misfire Detected No EBTCM/Pcm Serial Data
- DTC P1404: EGR System (Valve No. 2)
- DTC P1441: EVAP System Flow During Non-Purge
- DTC P1635: 5-Volt Reference Low
- DTC P1639: 5-Volt Reference 2 Circuit
- DTC P1640: Driver 1 Input - High Voltage
- DTC P1650: Driver 2 Input - High Voltage
- DTC P1660: Cooling Fans Control Circuit
- DTC P1670: Output Driver Module No. 4