DTC C1201/51: Engine Control System Malfunction: Procedure
- CHECK ENGINE CONTROL SYSTEM
- Check if the engine control system DTC is output. Refer to DTC CHECK / CLEAR
.
Result
Result Proceed to DTC not output A DTC output B
B → See step 3
A → See step 2
- Check if the engine control system DTC is output. Refer to DTC CHECK / CLEAR
.
- CHECK FOR INTERMITTENT PROBLEMS (ENGINE CONTROL SYSTEM). Refer to CHECK FOR INTERMITTENT PROBLEMS
- INSPECT ENGINE CONTROL SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING