Engine Controls - Tests W/Codes
- Introduction
- Summary
- Trouble Code Diagnostic Hints
- Trouble Code Identification
- Trouble Code Diagnostic Charts
- Notes
- Ecu Terminal Identification
- Diagnostic Circuit Check
- Test No. 1 - Ecu Power Source
- Test No. 2 - Ecu (+B) Circuit
- Code 12, 13 - Rpm Signal
- Code 14/Test No. 3 - Ignition Signal
- Code 21 - Oxygen Sensor Signal
- Code 22/Test No. 4 - Coolant Temperature Sensor (Cts) Signal
- Code 24/Test No. 5 - Intake Air Temperature (IAT) Sensor Signal
- Code 25 - Lean Air/Fuel Mixture
- Code 26 - Rich Air/Fuel Mixture
- Code 31/Test No. 6 - Vacuum Sensor Signal
- Code 41/Test No. 7 - Throttle Position Sensor (TPS) Signal
- Code 42 - Vehicle Speed Sensor Signal
- Code 43/Test No. 8 - Starter Signal
- Code 51 - Switch Condition Signal
- Code 71 - EGR System Malfunction
- Test No. 9 - Injector Circuit
- Test No. 10 - Malfunction Indicator Light (Mil) Circuit