Engine Controls - Tests W/Codes
- Introduction
- Summary
- Trouble Code Diagnostic Hints
- Trouble Code Identification
- Trouble Code Diagnostic Charts
- Notes
- ECM Terminal Identification
- Diagnostic Circuit Check
- Test No. 1-ECM Power Source
- Test No. 2 - ECM (+B) Circuit
- Code 12, 13, 43/Test No. 3 - Rpm/Starter Signal
- Code 14/Test No. 4 - Ignition Signal
- Code 21, 27, 28 - Oxygen Sensor Signal
- Code 22/Test No. 5 - Coolant Temp. Sensor Signal
- Code 24/Test No. 6 - Intake Air Temperature Sensor Signal
- Code 25, 26/Test No. 7 - Lean Air/Fuel Mixture
- Code 31/Test No. 8 - Vacuum Sensor Signal (5S-FE)
- Code 31/Test No. 8 - Airflow Meter Signal (3VZ-FE)
- Code 41/Test No. 9 - TPS Sensor Signal
- Code 42 - Vehicle Speed Sensor Signal
- Code 51 - Switch Condition Signal
- Code 52, 55 - Knock Sensor Signal
- Code 53 - Knock Control Signal
- Code 71 - EGR System Malfunction
- Test No. 10 - Idle Speed Control Circuit
- Test No. 11 - Malfunction Indicator Light Circuit