P0646 MAZDA Air Conditioning Clutch Relay Circuit Low

Possible causes – Faulty Air Conditioning Clutch Relay– Air Conditioning Clutch Relay harness is open or shorted– Air Conditioning Clutch Relay circuit poor electrical connection When is the obd code mean? Code P0646 may be stored if an open or short exists in A/C clutch relay control circuit. Symptoms – Engine Light ON (or Service…