Diagnosis Procedure

ENCODER

PASSENGER SIDE : Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" [1][2]Electrical Diagrams.

1. CHECK ENCODER SIGNAL

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










Is the inspection result normal?
Revision: March 20122013 Infiniti JX
YES- Replace power window and door lock/unlock switch RH. Refer to "Removal and Installation" Main Power Window and Door Lock/Unlock Switch.
NO- GO TO 2.

2. CHECK ENCODER SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect power window and door lock/unlock switch RH connector and power window and door lock/
unlock switch motor RH connector.
3.Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.





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





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK ENCODER POWER SUPPLY

1.Connect power window and door lock/unlock switch RH connector.
2.Turn ignition switch ON.
3.Check voltage between power window and door lock/unlock motor RH harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. CHECK ENCODER POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect power window and door lock/unlock switch RH connector.
3.Check continuity between power window and door lock/unlock switch RH harness connector and power window and door lock/unlock motor RH harness connector.





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





Is the inspection result normal?
Revision: March 20122013 Infiniti JX
YES- Replace power window and door lock/unlock switch RH. Refer to "Removal and Installation" Main Power Window and Door Lock/Unlock Switch.
NO- Repair or replace harness.

5. CHECK GROUND CIRCUIT 1

1.Turn ignition switch OFF.
2.Check continuity between front power window motor RH harness connector and ground.





Is the inspection result normal?
YES- Replace front power window motor RH. Refer to "Removal and Installation" Service and Repair.
NO- GO TO 6.

6. CHECK GROUND CIRCUIT 2

1.Disconnect power window and door lock/unlock switch RH connector.
2.Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.





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





Is the inspection result normal?
YES- Replace power window and door lock/unlock switch RH. Refer to "Removal and Installation" Main Power Window and Door Lock/Unlock Switch.
NO- Repair or replace harness.