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

Steps 1 - 2:

Steps 3 - 5:

Steps 6 - 8:

Steps 9 - 11:

Steps 12 - 14:

Steps 15 - 16:

Steps 17 - 18:

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.
If NG, replace relay.







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 in the table.