Diagnosis Procedure

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

      Signal name	(+)		(-)	Signal(Reference value)
      	Main power window and door lock/unlock switch
      	Connector	Terminal
      Encoder signal 1	D6	11	Ground	Refer to following signal
      Encoder signal 2		12

      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. 1. 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	11	D10	4	Yes
      	12		6

   4. 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
      D6	11	Ground	No
      	12

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness.

1. 1. Connect main power window and door lock/unlock switch connector.
   2. 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	5	Ground	Battery voltage

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

GO TO 4.

1. 1. 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.

      Main power window and door lock/unlock switch		Front power window motor LH		Continuity
      Connector	Terminal	Connector	Terminal
      D6	3	D10	5	Yes

   4. 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
      D6	3	Ground	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. 1. Ignition switch OFF.
   2. Check continuity between front power window motor LH harness connector and ground.

      Front power window motor LH		-	Continuity
      Connector	Terminal
      D10	3	Ground	Yes

Is the inspection result normal?

YES>>

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

NO>>

GO TO 6.

1. 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	10	D10	3	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		-	Continuity
      Connector	Terminal
      D10	10	Ground	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.