Compressor Clutch: Testing and Inspection
MAGNET CLUTCHTrouble Diagnosis Procedure for Magnet Clutch
SYMPTOM: Magnet clutch does not operate when A/C switch and fan control switch are ON.
Inspection Flow:
INSPECTION FLOW
Magnet Clutch Circuit (Steps 1 - 2):
Magnet Clutch Circuit (Steps 3 - 6):
Magnet Clutch Circuit (Steps 7 - 10):
Magnet Clutch Circuit (Steps 11 - 12):
Magnet Clutch Circuit
Electrical Component Inspection
A/C RELAY
Check continuity between terminal Nos. 3 and 5.
If NG, replace relay.
REFRIGERANT PRESSURE SENSOR
Make sure that higher A/C refrigerant pressure results in higher refrigerant pressure sensor output voltage.