Component Tests and General Diagnostics

TROUBLE DIAGNOSIS PROCEDURE FOR MAGNET CLUTCH
Symptom :
- Magnet clutch does not engage when A/C switch and fan switch are ON .




Inspection Flow

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MAGNET CLUTCH CIRCUIT
SYMPTOM :
- Magnet clutch does not engage when A/C switch and fan switch are ON.

ELECTRICAL COMPONENTS INSPECTION







A/C Relay
Check continuity between terminals 3 and 5.







Triple Pressure Switch
Check continuity between terminals 1 and 3.







Thermal Protector







Thermo Control Amp.
1. Run engine and operate A/C system.
2. Connect the voltmeter from harness side.
3. Check the thermo control amp. operation as shown.