Component Inspection

Engine

Engine Control - P0647 A/C Clutch Relay Control Circuit High - Component Inspection

Component Inspection

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









(5) Is the measured resistance within specification?






NOTE:
There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM. After testing PCM on the vehicle, use this function to reuse the PCM on the others