MOTRONIC CEC System
- Description
- Operation
- Trouble Shooting
- MOTRONIC Trouble Shooting
- Notes
- Cold Engine Will Not Start
- Cold Engine Starts, But Stalls
- Warm Engine Will Not Start
- Erratic Idle/Warm-Up Phase
- Engine Backfiring
- Idle Speed Incorrect
- Acceleration Hesitation
- Acceleration Knock
- Coasting Hesitation
- Engine Misfiring All Conditions
- High Fuel Consumption
- CO Level Incorrect
- HC and NO(x) Excessive
- MOTRONIC Trouble Shooting
- Testing
- Preliminary Testing
- Test Equipment
- Test 1: Fuel Pressure
- Test 2: Fuel Injectors
- Test 3: MOTRONIC Control Unit
- Test 4: Cold Start Valve
- Test 5: Idle Control Valve
- Test 6: MOTRONIC Control Unit
- Test 7: Idle Control Unit
- Test 8: Engine Speed Sensor & Reference Point Pick-Up
- Test 9: Airflow Sensor
- Test 10: Throttle Position Sensor
- Test 11: Coolant Temp. Sensor
- Test 12: Coolant Temp. Switch
- Test 13: THERMOTIMER
- Test 14: Air Temperature Sensor
- Test 15: Oxygen Sensor
- Wiring Diagrams