DTC P0645 A/C Clutch Relay Control Circuit: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item	Detecting Condition	Possible Cause
DTC Strategy	Circuit continuity check, open	Poor connection Open or short to ground in power circuit Open in control circuit A/C relay ECM/PCM
Enable Conditions
Threshold Value	Disconnected
Diagnostic Time	Continuous
MIL ON Condition	DTC only