Component Inspection

Component Inspection

1. Check A/C relay
(1) IG "OFF".
(2) Disconnect A/C relay.
(3) Measure the resistance between terminal 85 and 86 of A/C relay.
(4) Measure the resistance between terminal 30 and 87 of A/C relay.









(5) Is the measured resistance within specification ?
YES
- 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.
NO
- Substitute with a known - good A/C relay and check for proper operation. If the problem is corrected, replace A/C relay 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.