Operation CHARM: Car repair manuals for everyone.

Diagnosis Procedure





MAGNET CLUTCH


Description

- The magnet clutch is the device that drives the compressor with the signal from IPDM E/R.
- Compressor is driven by the magnet clutch which is charged magnetic force by electrified.
- IPDM E/R controls magnet clutch by turning the built in A/C relay to ON to OFF according to ECM request.





MAGNET CLUTCH


Diagnosis Procedure

1.CHECK MAGNET CLUTCH
1. Turn the ignition switch OFF.
2. Disconnect the magnet clutch connector.
3. Directly apply the battery voltage to the magnet clutch. Check for operation visually and by sound.
Does it operate normally?
YES - GO TO 2.
NO - Replace the compressor.
2.CHECK MAGNET CLUTCH CIRCUIT CONTINUITY
1. Turn the ignition switch OFF.
2. Disconnect the IPDM E/R connector.
3. Check continuity between magnet clutch harness connector and IPDM E/R harness connector.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair the harnesses and connectors.
3.CHECK FUSE
Check 10A fuse (No. 49, located in the IPDM E/R).

NOTE:
Connector Views.
Is the inspection result normal?
YES - Replace the IPDM E/R.
NO - Replace the fuse after repairing the applicable circuit.