Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Compressor Clutch: Testing and Inspection




MAGNET CLUTCH

Component Function Check


1. CHECK MAGNET CLUTCH OPERATION

Perform auto active test of IPDM E/R. Diagnosis Description.
Does it operate normally?
YES- INSPECTION END
NO- .


Diagnosis Procedure


1. CHECK FUSE

1.Turn ignition switch OFF.
2.Check 10A fuse (No. 49, located in IPDM E/R).
NOTE:
Fuse Block - Junction Box (J/B).
Is the inspection result normal?
YES- GO TO 2.
NO- Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2. CHECK MAGNET CLUTCH POWER SUPPLY CIRCUIT

1.Disconnect compressor connector and IPDM E/R connector.
2.Check continuity between compressor harness connector and IPDM E/R harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair harness or connector.

3. CHECK MAGNET CLUTCH

Directly apply battery voltage to the magnet clutch. Check operation visually and by sound.
Does it operate normally?
YES- Replace IPDM E/R. Service and Repair.
NO- Replace magnet clutch. Service and Repair.