Engine Performance: System: Self-Diagnostics
- Introduction
- Self-Diagnostic System
- PFI System Check
- Self Diagnostics System Check
- Summary
- Diagnostic Trouble Code Definitions
- ECM Connector Identification
- Lighting Charts
- Lighting System Check
- Lighting Chart A-1
- Lighting Chart A-2: Data Circuit Problem
- Lighting Chart A-3: Code L202, L203 & L204 (1600 Power Circuit Problem)
- Lighting Chart A-4: Code L206, L207 & L209 (1601 Power Circuit Problem)
- Lighting Chart A-5: Code L205, L208 & L210 (1602 Power Circuit Problem)
- Lighting Chart B-1: Code L202 Set With L203, L206 Or L210 (Addressing Problem)
- Lighting Chart B-2 :Code L208 Set With L209 Or L210 (Address Problem)
- Lighting Chart B-3: DTC L204 Set With L205 Or L206 (Address Problem)
- Lighting Chart B-4A: Code L207 Set With L203, L205 Or L206 (Address Problem)
- Lighting Chart B-4B: Code L207 Set With L202 Or L204 (Address Problem)
- Lighting Code L010: Redundant Tail Light Relay Failure
- Lighting Code L011: Redundant Tail Light Relay Failure
- Display Panel Charts
- Data Communication Circuit Charts
- ECM Data Circuit Charts
- PFI Charts "A" Charts
- 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
- PFI "C" (Component) 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 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 EO28: Open 3RD Gear Circuit (1 Of 2)
- ECM DTC EO28: Open 3RD Gear Circuit (2 Of 2)
- ECM DTC EO29: Shorted 3RD Gear Circuit
- ECM DTC EO30: Idle Speed Control Circuit Problem
- 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 To BCM Data
- ECM DTC EO48: EGR System Fault
- ECM DTC EO49: Air Management System Fault
- ECM DTC EO52: ECM Memory Reset
- ECM DTC EO53: Distributor Signal Interrupted
- ECM DTC EO55: TPS Out Of Adjustment
- ECM DTC EO56: Open 4TH Gear Switch Circuit (1 Of 2)
- ECM DTC EO56: Open 4TH Gear Switch Circuit (2 Of 2)
- ECM DTC EO57: Shorted 4TH Gear Switch Circuit
- ECM DTC EO59: VCC Temperature Sensor Circuit
- 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 To High
- ECM DTC EO64: Acceleration Too High Cruise Engaged
- ECM DTC EO65: Cruise Servo Sensor Failure (1 Of 2)
- ECM DTC EO65: Cruise Servo Sensor Failure (2 Of 2)
- ECM DTC EO66: Cruise Engine Rpm Too High
- ECM DTC EO67: Cruise Set/Coast Or Resume/ACCEL Switch Shorted
- Input Tests
- ECM Input EI71: Brake Switch
- ECM Input EI72: Throttle Switch Circuit
- ECM Input EI74: Park/Neutral Circuit
- ECM Input EI80: Third Gear Switch
- ECM Input EI81: Fourth Gear Switch
- ECM Input EI82: Cruise On/Off Switch
- ECM Input EI83: Cruise Control Set/Coast Switch
- ECM Input EI84: Cruise Control Resume/ACCEL Switch