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 (Reference value)
      Main power window and door lock/unlock switch
      Connector	Terminal
      D7	4	Ground	Refer to following signal
      	5

      Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES>>

GO TO 7.

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
      D7	4	D9	6	Yes
      	5		4

   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
      D7	4		No
      	5

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
      D9	5	Ground	Battery voltage

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 5.

1. 1. 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	3		Yes

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

GO TO 6.

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
      D7	14	D9	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		Ground	Continuity
      Connector	Terminal
      D7	14		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. 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
      D7	12	D9	3	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.

1. Refer to Inspection Procedure.

>>

Inspection End.