Engine Controls - Tests W/Codes - Turbo
- Introduction
- Self-Diagnostic System
- Summary
- Diagnostic Testing
- MOTRONIC 4.3 Control System
- Notes
- Code 1-1-2 (Fault In ECM)
- Codes 1-1-5, 1-2-5, 1-3-5, 1-4-5 & 1-5-5 (Fuel Injector Problem)
- Code 1-2-1 (MAF Signal)
- Code 1-2-3 (Engine Coolant Temperature Sensor Signal)
- Code 1-3-1 (RPM Sensor Signal Absent)
- Code 1-3-2 (Battery Voltage Signal Too Low Or Too High)
- Code 1-4-3 (Front Knock Sensor Signal) & Code 4-3-3 (Rear Knock Sensor Signal)
- Code 1-5-3 (Rear HO2S Signal)
- Code 1-5-4 (EGR System Leakage)
- Code 2-1-2 (Front HO2S Signal)
- Code 2-1-4 (RPM Sensor Signal Sporadic)
- Code 2-2-3 (Valve Signal Opening) or Code 2-4-5 (Valve Signal Closing)
- Code 2-2-5 (A/C Pressure Sensor Signal)
- Code 2-3-1 (Long Term Fuel Trim Partial Load) Or Code 2-3-2 (Long Term Fuel Trim Idling)
- Code 2-3-3 (Idle Air Trim)
- Code 2-4-1 (EGR System, Flow Malfunction)
- Code 3-1-1 (Vehicle Speed Sensor Signal)
- Code 3-1-4 (Camshaft Position Sensor Signal)
- Code 3-1-5 (EVAP System)
- Code 3-2-5 (Memory Failure)
- Code 3-3-5 (Fault In Wiring Between TCM and ECM)
- Code 4-1-1 (Throttle Position Sensor Signal)
- Code 4-1-3 (EGR Temperature Sensor Signal)
- Code 4-1-4 (Charge Pressure Control)
- Code 4-1-6 (Charge Pressure Reduction From Transmission Control Module)
- Code 4-2-5 (Rear HO2S Lambdasond)
- Code 4-3-2 (Temperature Warning Level 1) Or Code 5-1-3 (Temperature Warning Level 2)
- Code 4-3-5 (Front HO2S Too Slow)
- Code 4-3-6 (Rear HO2S Compensation)
- Code 4-4-3 (TWC Efficiency)
- Code 4-4-4 (Acceleration Sensor Signal)
- Misfire Codes: 4-5-1, 4-5-2, 4-5-3, 4-5-4, 4-5-5, 5-4-2, 5-4-3, 5-5-1, 5-5-2, 5-5-3, 5-5-4, 5-5-5, 5-4-4 Or 5-4-5
- Code 5-1-4 (Engine Cooling Fan Half Speed)
- Code 5-2-1 (Front HO2S Preheating) Or Code 5-2-2 (Rear HO2S Preheating)
- Code 5-3-1 (Power Stage Group "A")
- Code 5-3-2 (Power Stage Group "B")
- Code 5-3-3 (Power Stage Group "C")
- Code 5-3-4 (Power Stage Group "D")
- Code 5-3-5 (Turbocharger Control Valve Signal)
- Code 5-4-1 (EVAP Signal)