Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK ENCODER SIGNAL

Turn ignition switch ON.

Check signal between power window and door lock/unlock switch RH harness connector and ground with oscilloscope.

Signal name	(+)		(-)	Signal (Reference value)
	Power window and door lock/unlock switch RH
	Connector	Terminal
Encoder signal 1	D129	9	Ground	Refer to following signals
Encoder signal 2		10

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

Replace power window and door lock/unlock switch RH. Refer to Removal and Installation .

GO TO 2 .

CHECK ENCODER SIGNAL CIRCUIT

Turn ignition switch OFF.
Disconnect power window and door lock/unlock switch RH connector and front power window motor RH connector.

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

Power window and door lock/unlock switch RH		Front power window motor RH		Continuity
Connector	Terminal	Connector	Terminal
D129	9	D105	6	Yes
	10		5

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

Power window and door lock/unlock switch RH		Ground	Continuity
Connector	Terminal
D129	9		No
	10

Is the inspection result normal?

YES

GO TO 3 .

Repair or replace harness.

CHECK ENCODER POWER SUPPLY

Connect power window and door lock/unlock switch RH connector.
Turn ignition switch ON.

Check voltage between power window and door lock/unlock switch RH harness connector and ground.

(+)		(-)	Voltage (Approx.)
Power window and door lock/unlock switch RH
Connector	Terminal
D129	2	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 5 .

GO TO 4 .

CHECK ENCODER POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect power window and door lock/unlock switch RH connector.

Check continuity between power window and door lock/unlock switch RH harness connector and power window and door lock/unlock motor RH harness connector.

Power window and door lock/unlock switch RH		Front power window motor RH		Continuity
Connector	Terminal	Connector	Terminal	Continuity
D129	5	D105	2	Yes

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

Power window and door lock/unlock switch RH		Ground	Continuity
Connector	Terminal
D129	5		No

Is the inspection result normal?

YES

Replace power window and door lock/unlock switch RH. Refer to Removal and Installation .

Repair or replace harness.

CHECK GROUND CIRCUIT 1

Turn ignition switch OFF.

Check continuity between front power window motor RH harness connector and ground.

Front power window motor RH		Ground	Continuity
Connector	Terminal
D105	4		Yes

Is the inspection result normal?

YES

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

GO TO 6 .

CHECK GROUND CIRCUIT 2

Disconnect power window and door lock/unlock switch RH connector.

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

Power window and door lock/unlock switch RH		Front power window motor RH		Continuity
Connector	Terminal	Connector	Terminal	Continuity
D129	4	D105	4	Yes

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

Power window and door lock/unlock switch RH		Ground	Continuity
Connector	Terminal
D129	4		No

Is the inspection result normal?

YES

Replace power window and door lock/unlock switch RH. Refer to Removal and Installation .

Repair or replace harness.