Magnet Clutch Circuit
Trouble Diagnosis Procedure for Magnet ClutchSYMPTOM:
- Magnet clutch does not operate when A/C switch and fan control switch are ON.
Inspection Flow:
Magnet Clutch Circuit
SYMPTOM:
- Magnet clutch does not engage when A/C switch and fan control switch are ON.
Step 1 - 2:
Step 3 - 5:
Step 6 - 9:
Step 10 - 11:
Step 12 - 14:
Step 15 - 16:
Electrical Component Inspection
A/C RELAY
Check continuity between terminal Nos. 3 and 5.
If NG, replace relay.
REFRIGERANT PRESSURE SENSOR:
REFRIGERANT PRESSURE SENSOR
Make sure that higher A/C refrigerant pressure results in higher
refrigerant pressure sensor output voltage.
THERMO CONTROL AMP.
1. Run engine and operate A/C system.
2. Connect voltmeter from harness side.
3. Check thermo control amp. operation shown in the table.