Diagnosis Procedure

1. Press push-button ignition switch ON.
2. Check signal between main power window and door lock/unlock switch harness connector and ground with oscilloscope.
   With Crew Cab
   
   

   Signal name	(+)		(-)	Signal (Reference value)
   	Main power window and door lock/unlock switch
   	Connector	Terminal
   Encoder signal 1	D7	5	Ground	Refer to following signals
   Encoder signal 2		4

   Except Crew Cab
   
   

   Signal name	(+)		(-)	Signal (Reference value)
   	Main power window and door lock/unlock switch
   	Connector	Terminal
   Encoder signal 1	D5	1	Ground	Refer to following signals
   Encoder signal 2		2

   Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES

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

NO

GO TO 2.

1. Press push-button ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector and front power window motor LH connector.
3. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.
   With Crew Cab
   
   

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D7	4	D9	5	Yes
   	5		6

   Except Crew Cab
   
   

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D5	2	D9	5	Yes
   	1		6

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

   Main power window and door lock/unlock switch		Ground	Continuity
   Connector	Terminal
   D7	4		No
   	5

   Except Crew Cab
   
   

   Main power window and door lock/unlock switch		Ground	Continuity
   Connector	Terminal
   D5	1		No
   	2

Is the inspection result normal?

YES

GO TO 3.

NO

Repair or replace harness.

1. Connect main power window and door lock/unlock switch connector.
2. Press push-button ignition switch ON.
3. Check voltage between front power window motor LH harness connector and ground.

   (+)		(-)	Voltage (Approx.)
   Front power window motor LH
   Connector	Terminal
   D9	2	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 5.

NO

GO TO 4.

1. Press push-button ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector.
3. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.
   With Crew Cab
   
   

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D7	14	D9	2	Yes

   Except Crew Cab
   
   

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D5	10	D9	2	Yes

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

   Main power window and door lock/unlock switch		Ground	Continuity
   Connector	Terminal
   D7	14		No

   Except Crew Cab
   
   

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

Is the inspection result normal?

YES

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

NO

Repair or replace harness.

1. Press push-button ignition switch OFF.
2. Check continuity between front power window motor LH harness connector and ground.

   Front power window motor LH		Ground	Continuity
   Connector	Terminal
   D9	4		Yes

Is the inspection result normal?

YES

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

NO

GO TO 6.

1. Disconnect main power window and door lock/unlock switch connector.
2. Check continuity between main power window and door lock/unlock switch harness connector and front power window motor LH harness connector.
   With Crew Cab
   
   

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D7	12	D9	4	Yes

   Except Crew Cab
   
   

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D5	11	D9	4	Yes

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

   Main power window and door lock/unlock switch		Ground	Continuity
   Connector	Terminal
   D7	12		No

   Except Crew Cab
   
   

   Main power window and door lock/unlock switch		Ground	Continuity
   Connector	Terminal
   D5	11		No

Is the inspection result normal?

YES

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

NO

Repair or replace harness.