Diagnosis Procedure

POWER SUPPLY AND GROUND CIRCUIT


FRONT POWER WINDOW SWITCH : Description

- BCM supplies power.
- Front power window motor RH will be operated if power window and door lock/unlock switch RH is operated.




POWER SUPPLY AND GROUND CIRCUIT


FRONT POWER WINDOW SWITCH : Diagnosis Procedure


Power Window And Door Lock/Unlock Switch RH Power Supply Circuit Check
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.
3. Check continuity between power window and door lock/unlock switch RH connector and ground.





Is the inspection result normal?
YES - Replace power window and door lock/unlock switch RH. Refer to 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. Refer to Front Power Window Switch.
NO - Replace BCM. Refer to Service and Repair.