Nissan Murano: Heater & Air Conditioning Control System :: Dtc/circuit Diagnosis / Magnet Clutch

Component Function Check

CHECK MAGNET CLUTCH OPERATION

Perform auto active test of IPDM E/R. Refer to Diagnosis Description.

Does it operate normally?

Inspection End.

Refer to Diagnosis Procedure.

CHECK FUSE

1. Ignition switch OFF.

2. Check 10A fuse (No. 53, located in IPDM E/R).

   NOTE:

   Refer to Terminal Arrangement.

Is the inspection result normal?

GO TO 2.

Replace the blown fuse after repairing the affected circuit.

CHECK MAGNET CLUTCH POWER SUPPLY CIRCUIT

1. Disconnect A/C compressor connector and IPDM E/R connector.

2. Check continuity between A/C compressor harness connector and IPDM E/R harness connector.

   A/C compressor		IPDM E/R		Continuity
   Connector	Terminal	Connector	Terminal
   F3	1	F19	56	Yes

Is the inspection result normal?

GO TO 3.

Repair harness or connector.

CHECK MAGNET CLUTCH GROUND CIRCUIT

1. Disconnect A/C compressor connector.

2. Check continuity between A/C compressor harness connector and ground.

   A/C compressor		—	Continuity
   Connector	Terminal
   F3	2	Ground	Yes

Is the inspection result normal?

GO TO 4.

Repair harness or connector.

CHECK MAGNET CLUTCH

Directly apply battery voltage to the magnet clutch. Check operation visually and by sound.

Does it operate normally?

Replace IPDM E/R. Refer to Removal and Installation.

Replace magnet clutch. Refer to Removal and Installation of Compressor Clutch.