Nissan Sentra B18 (2020-2025) Service Manual: Front Lh

Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Power Window Control System :: Dtc/circuit Diagnosis / Power Window Motor / Front Lh

Diagnosis Procedure

Diagnosis Procedure

CHECK FRONT POWER WINDOW MOTOR LH INPUT SIGNAL

Ignition switch OFF.
Disconnect front power window motor LH connector.
Ignition switch ON.
Check voltage between front power window motor LH harness connector and ground.

(+)		(-)	Condition		Voltage (Approx.)
Front power window motor LH
Connector	Terminal
D8	2	Ground	Main power window and door lock/unlock switch	NEUTRAL	0 V
	2			UP	Battery voltage
	1			NEUTRAL	0 V
	1			DOWN	Battery voltage

Is the inspection result normal?

YES>>

Replace front power window motor LH. Refer to Removal and Installation.

NO>>

GO TO 2.

CHECK FRONT POWER WINDOW MOTOR LH CIRCUIT

Ignition switch OFF.
Disconnect main power window and door lock/unlock switch connector.

Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.

Main power window and door lock/unlock switch		Front power window motor LH		Continuity
Connector	Terminal	Connector	Terminal	Continuity
D5	3	D8	1	Yes
D5	10	D8	2	Yes

Check continuity between main power window and door lock/unlock switch harness connector and ground.

Main power window and door lock/unlock switch		—	Continuity
Connector	Terminal	—	Continuity
D5	3	Ground	No
D5	10	Ground	No

Is the inspection result normal?

YES>>

Check intermittent incident. Refer to Intermittent Incident.

NO>>

Repair or replace harness.

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