Front Power Window Switch
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.
Component Function Check
Power Window And Door Lock/Unlock Switch RH
1. CHECK FRONT POWER WINDOW MOTOR RH FUNCTION
Check front power window motor RH operation with power window and door lock/unlock switch RH.
Is the inspection result normal?
YES - Power window and door lock/unlock switch RH power supply and ground circuit are OK.
NO - SEE Diagnosis Procedure.
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.