Diagnosis Procedure

1. Turn ignition switch ON.
2. Check signal between power window main switch harness connector and ground with oscilloscope.

   Signal name	(+)		(-)	Signal (Reference value)
   	Power window main switch
   	Connector	Terminal
   Encoder signal 1	D5	11	Ground	Refer to following signal
   Encoder signal 2		12

   Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

Replace power window main switch. Refer to REMOVAL AND INSTALLATION .

NO 

GO TO STEP 2  .

1. Turn ignition switch OFF.
2. Disconnect power window main switch connector and front power window motor (driver side) connector.
3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.

   Power window main switch		Front power window motor (driver side)		Continuity
   Connector	Terminal	Connector	Terminal
   D5	11	D7	5	Existed
   	12		6

4. Check continuity between power window main switch harness connector and ground.

   Power window main switch		(-)	Continuity
   Connector	Terminal
   D5	11	Ground	Not existed
   	12

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair or replace harness.

1. Connect power window main switch connector.
2. Turn ignition switch ON.
3. Check voltage between front power window motor (driver side) harness connector and ground.

   (+)		(-)	Voltage (V) (Approx.)
   Front power window motor (driver side)
   Connector	Terminal
   D7	2	Ground	12

Is the inspection result normal?

YES 

GO TO STEP 5  .

NO 

GO TO STEP 4  .

1. Turn ignition switch OFF.
2. Disconnect power window main switch connector.
3. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.

   Power window main switch		Front power window motor (driver side)		Continuity
   Connector	Terminal	Connector	Terminal
   D5	3	D7	2	Existed

4. Check continuity between power window main switch harness connector and ground.

   Power window main switch		(-)	Continuity
   Connector	Terminal
   D5	3	Ground	Not existed

Is the inspection result normal?

YES 

Replace power window main switch. Refer to REMOVAL AND INSTALLATION .

NO 

Repair or replace harness.

1. Turn ignition switch OFF.
2. Check continuity between front power window motor (driver side) harness connector and ground.

   Front power window motor (driver side)		(-)	Continuity
   Connector	Terminal
   D7	4	Ground	Existed

Is the inspection result normal?

YES 

Replace front power window motor (driver side). Refer to DISASSEMBLY AND ASSEMBLY .

NO 

GO TO STEP 6  .

1. Disconnect power window main switch connector.
2. Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.

   Power window main switch		Front power window motor (driver side)		Continuity
   Connector	Terminal	Connector	Terminal
   D5	10	D7	4	Existed

Is the inspection result normal?

YES 

GO TO STEP 7  .

NO 

Repair or replace harness.

Check continuity between power window main switch harness connector terminals.

Is the inspection result normal?

YES 

Check intermittent incident. Refer to INTERMITTENT INCIDENT .

NO 

Replace power window main switch. Refer to REMOVAL AND INSTALLATION .