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Symptom: P0647-A/C CLUTH RELAY CONTROL CIRCUIT HIGH When Monitored and Set Condition: P0647-A/C CLUTH RELAY CONTROL CIRCUIT HIGH When Monitored: Ignition On. Set Condition: The PCM sense high voltage for more than 2.73 seconds. POSSIBLE CAUSES A/C CLUTCH RELAY INTERMITTENT OPERATION INTERMITTENT CONDITION A/C CLUTCH RELAY (C28) A/C CLUTCH RELAY CONTROL CIRCUIT SHORT TO B+ PCM TEST ACTION APPLICABILITY 1 Turn the ignition on. t, actuate the A/C Clutch Relay. Is the A/C Clutch Relay operating? All Yes → Go To 2 No → Go To 4 2 Turn the ignition on. t, actuate the A/C Clutch Relay. Wiggle the wiring harness from the A/C Clutch Relay to the PCM while the relay is All Yes → Repair as necessary. Perform POWERTRAIN VERIFICATION TEST VER - 2 - 1.6L. No → Go To 3 170 DRIVEABILITY - 1.6L GAS |