Magnet Clutch Circuit
Magnet Clutch CircuitSYMPTOM: Magnet clutch does not engage.
INSPECTION FLOW
SYSTEM DESCRIPTION
Unified meter and A/C amp. controls compressor operation by ambient temperature and signal from ECM.
Low Temperature Protection Control
Unified meter and A/C amp. Will Turn compressor ON or OFF as determined by a signal detected by ambient sensor and intake sensor.
When ambient temperatures are greater than -2 °C (28 °F), the compressor turns ON. The compressor turns OFF when ambient temperatures are less than -5 °C (23 °F).
When intake air temperatures are greater than 1 °C (34 °F), the compressor turns ON. The compressor turns OFF when intake air temperatures are less than -5 °C (23 °F).
Diagnostic Procedure For Magnet Clutch (Steps 1 - 4):
Diagnostic Procedure For Magnet Clutch (Steps 5 - 7):
Diagnostic Procedure For Magnet Clutch (Steps 8 - 10):
Diagnostic Procedure For Magnet Clutch (Steps 11 - 12):
DIAGNOSTIC PROCEDURE FOR MAGNET CLUTCH
SYMPTOM: Magnet clutch does not engage when A/C switch is ON.
COMPONENT INSPECTION
Refrigerant Pressure Sensor
The refrigerant pressure sensor is attached to the liquid tank. Make sure that the A/C refrigerant pressure and the sensor output voltage are within the specified range as shown in the A/C operating condition figure. Refer to "REFRIGERANT PRESSURE SENSOR".