Encoder Circuit Check

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

   (+)		(-)	Signal (Reference value)
   Main power window and door lock/unlock switch
   Connector	Terminal
   D6	4	Ground	Refer to following signal
   	5

   Fig 1: Checking Signal Between Power Window Main Switch Harness Connector And Ground Using Oscilloscope

   Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES 

GO TO STEP 7  .

NO 

GO TO STEP 2  .

1. Turn 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.

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D6	4	D10	4	Yes
   	5		5

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

   Main power window and door lock/unlock switch		Ground	Continuity
   Connector	Terminal
   D6	4		No
   	5

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair or replace harness.

1. Connect main power window and door lock/unlock switch connector.
2. Turn 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
   D10	2	Ground	Battery voltage

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

GO TO STEP 5  .

1. Turn 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
   D10	6		Yes

Is the inspection result normal?

YES 

GO TO STEP 7  .

NO 

GO TO STEP 6  .

1. Turn ignition switch OFF.
2. 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
   D6	12	D10	6	Yes

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

   Main power window and door lock/unlock switch		Ground	Continuity
   Connector	Terminal
   D6	12		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. 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.

   Main power window and door lock/unlock switch		Front power window motor LH		Continuity
   Connector	Terminal	Connector	Terminal
   D6	14	D10	2	Yes

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.

Refer to INTERMITTENT INCIDENT .

Inspection End.