Diagnosis Procedure

POWER SUPPLY AND GROUND CIRCUIT

FRONT POWER WINDOW SWITCH : Diagnosis Procedure

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

1. CHECK POWER SUPPLY CIRCUIT






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





Is the measurement value within the specification?
YES- GO TO 3
NO- GO TO 2

2. CHECK HARNESS CONTINUITY






1.Turn ignition switch OFF.
2.Disconnect BCM and power window and door lock/unlock switch
RH.
3.Check continuity between BCM connector (A) and power window and door lock/unlock switch RH connector (B).





4.Check continuity between BCM connector (A) and ground.





Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace harness.

3. CHECK GROUND CIRCUIT

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





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





Is the inspection result normal?
YES- Replace power window and door lock/unlock switch RH. Front Power Window Switch.
NO- Repair or replace harness.

4. CHECK BCM OUTPUT SIGNAL






1.Connect BCM.
2.Turn ignition switch ON.
3.Check voltage between BCM connector and ground.





Is the measurement value within the specification?
YES- Replace power window and door lock/unlock switch RH.
Front Power Window Switch.
NO- Replace BCM. Service and Repair.