Component Inspection

Component Inspection

1. Check instrument cluster
(1) IG "OFF"
(2) Substitute with a known - good instrument cluster and check for proper operation.
(3) Does it normally operate after replacement?
YES
- Replace instrument cluster and go to "Verification of Vehicle Repair" procedure.
NO
- Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "Verification of Vehicle Repair" procedure.

CAUTION:
There is a memory reset function on scantool that can erase optional components automatically detected and memorized by PCM.Before or after testing PCM on the vehicle, use this function to reuse the PCM.