Section 89 (Engine Control System Self-Diagnostics - 3.4L)
WARNING: This page is about a different car, the 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, 2002 Chevrolet Monte Carlo, and 2002 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Model Identification
- Introduction
- Self-Diagnostic System
- 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 Frequency
- 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: Throttle Position Sensor Performance
- DTC P0122: Throttle Position Sensor Circuit - Low Voltage
- DTC P0123: Throttle Position 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
- 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
- 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