Component Inspection
- Check Knock sensor.
- Substitute with a known - good Knock sensor and check for proper operation.
- Is the signal normal?
YES : --> Replace Knock sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO : --> Substitute with a known - good ECM/PCM and check for proper operation.
--> If the problem is corrected, replace ECM/PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.