Engine Performance: System: Self-Diagnostics
- Introduction
- Self-Diagnostic System
- PFI Diagnosis Procedure
- PFI System Check
- Self Diagnostics System Check
- Lighting System Check
- Summary
- Diagnostic Trouble Code Definitions
- ECM Connector Identification
- A Charts (Lighting)
- Lighting Chart A-1: L - Code Diagnosis
- Lighting Chart A-2: Data Circuit Problem
- Lighting Chart A-3: DTC L202 With L203, Or L210 Addressing Problem (1 Of 2)
- Lighting Chart A-3: DTC L202 With L203 1600 Power Circuit Problem (2 Of 2)
- Lighting Chart A-4: DTC L204 With L205 Or L206 Addressing Problem (1 Of 2)
- Lighting Chart A-4: DTC L204 With L205 1604 Power Circuit Problem (2 Of 2)
- Lighting Chart A-5: DTC L202, L204, L205, L209 & L210 2R7 Power Circuit Problem
- Lighting Chart A-6: DTC L207 With L203, L205 Or L206 Addressing Problem
- Lighting Chart A-7: DTC L207 With L202 Or L204 Addressing Problem
- LIGHTING CHART A-8: DTC L206, L207 & L208 MAXI-FUSE No. 6 POWER CIRCUIT PROBLEM
- Lighting Chart A-9: DTC L208 With L205 Or L209 Addressing Problem
- Lighting Chart A-10: DTC L209 With L210 1601 Power Circuit Problem
- System Check Chart A: Cluster Display Problem
- A Charts (ECM)
- A Charts (PFI)
- PFI Chart A-1: "Engine Control System Fault" Light Inoperative During Cranking
- PFI Chart A-2: "Engine Control System Fault" Light On - No Codes Present
- PFI Chart A-3: No Start Or Stall After Start
- PFI Chart A-4A: Static Fuel Pressure Diagnosis
- PFI Chart A-4B: Dynamic Fuel Pressure Diagnosis
- PFI Chart A-5: Injector System Diagnosis
- PFI Chart A-6: Right O2 Sensor Not Ready
- PFI Chart A-7: Left O2 Sensor Not Ready
- PFI Chart A-8: Right O2 Sensor Lean
- PFI Chart A-9: Left O2 Sensor Lean
- PFI Chart A-10: Right O2 Sensor Rich
- PFI Chart A-11 Left O2 Sensor Rich
- PFI Chart A-12: Right O2 Sensor Diagnosis
- PFI Chart A-13: Left O2 Sensor Diagnosis
- B Charts
- C Charts
- D Charts
- Diagnostic Tests
- Notes
- ECM DTC EO12: No Distributor Reference Signal
- ECM DTC EO13: Right O2 Sensor Not Ready
- ECM DTC EO14: Shorted Coolant Sensor Circuit
- ECM DTC EO15: Open Coolant Sensor Circuit
- ECM DTC EO16: Charging System Voltage Out Of Range
- ECM DTC EO17: Left O2 Sensor Not Ready
- ECM DTC EO19: Shorted Fuel Pump Circuit
- ECM DTC EO20: Open Fuel Pump Circuit
- ECM DTC EO20-A: Fuel Pump Fuse Blown
- ECM DTC EO21: Shorted Throttle Position Sensor Circuit
- ECM DTC EO22: Open TPS Circuit
- ECM DTC EO23: Est Circuit Problem
- ECM DTC EO24: Speed Sensor Circuit Problem
- ECM DTC EO26: Shorted Throttle Switch Circuit
- ECM DTC EO27: Open Throttle Switch Circuit
- ECM DTC EO30: Rpm Error Too Great
- ECM DTC EO31: Shorted Map Sensor Circuit
- ECM DTC EO32: Open Map Sensor Circuit
- ECM DTC EO34: Map Signal To High
- ECM DTC EO37: Shorted Mat Sensor Circuit
- ECM DTC EO38: Open Mat Sensor Circuit
- ECM DTC EO39: VCC Engagement Problem
- ECM DTC EO40: Open Power Steering Pressure Circuit
- ECM DTC EO41: No Cam Sensor Signal
- ECM DTC EO42: Left O2 Sensor Lean
- ECM DTC EO43: Left O2 Sensor Rich
- ECM DTC EO44: Right O2 Sensor Lean
- ECM DTC EO45: Right O2 Sensor Rich
- ECM DTC EO46: Left To Right Bank Fueling Imbalance
- ECM DTC EO47: ECM-BCM Data Problem
- ECM DTC EO50: Second Gear Pressure Circuit
- ECM DTC EO52: ECM Memory Reset
- ECM DTC EO53: Distributor Signal Interrupted
- ECM DTC EO55: TPS Out Of Adjustment
- ECM DTC EO58: Pass Key Fuel Enable Problem
- ECM DTC EO60: Cruise - Not In Drive
- ECM DTC EO61: Cruise Vent Solenoid Circuit
- ECM DTC EO62: Cruise Vacuum Solenoid Circuit
- ECM DTC EO63: Set Speed/Vehicle Speed Difference Too High
- ECM DTC EO64: Acceleration Too High Cruise Engaged
- ECM DTC EO65: Cruise Servo Sensor Failure
- ECM DTC EO66: Cruise Engine Rpm Too High
- ECM DTC EO67: Cruise Set/Coast Or Resume/ACCEL Switch Shorted
- ECM Input EI70: Brake Switch
- ECM Input EI71: VCC Brake Switch
- ECM Input EI72: Throttle Switch Circuit
- ECM Input EI74: Park/Neutral Circuit
- ECM Input EI79: Second Gear Oil Pressure Circuit
- ECM Input EI82: Cruise Control On/Off Switch
- ECM Input EI83: Cruise Control Set/Coast Switch
- ECM DTC EI84: Cruise Control Resume/ACCEL Switch
- Wiring Diagrams