Nissan Sentra B18 (2020-2025) Service Manual / Ventilation, Heater & Air Conditioner / Heater & Air Conditioning Control System :: Automatic Air Conditioner / Dtc/circuit Diagnosis / Magnet Clutch

Nissan Sentra B18 (2020-2025) Service Manual: Magnet Clutch

Component Function Check

Component Function Check

CHECK MAGNET CLUTCH OPERATION
1. Perform auto active test of IPDM E/R. Refer to CONSULT Function (IPDM E/R).
Does it operate normally?
YES >>
Inspection End.
NO >>
Refer to Diagnosis Procedure.

Diagnosis Procedure

Diagnosis Procedure

CHECK MAGNET CLUTCH POWER SUPPLY CIRCUIT

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

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	Continuity
F4	1	F96	65	Yes

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair harness or connector.

CHECK MAGNET CLUTCH GROUND CIRCUIT

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

A/C compressor		–	Continuity
Connector	Terminal	–	Continuity
F4	2	Ground	Yes

Is the inspection result normal?

YES >>

GO TO 3.

NO >>

Repair harness or connector.

CHECK MAGNET CLUTCH
1. Directly apply battery voltage to the magnet clutch. Check operation visually and by sound.
Does it operate normally?
YES >>
Replace IPDM E/R. Refer to Removal and Installation.
NO >>
Replace magnet clutch. Refer to Removal and Installation.

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