Rear Power Window Switch

POWER SUPPLY AND GROUND CIRCUIT:_:REAR POWER WINDOW SWITCH





Description
- BCM supplies power.
- Rear power window motor will be operated if rear power window switch is operated.




Component Function Check

Rear Power Window Switch
1. CHECK REAR POWER WINDOW MOTOR FUNCTION
Check rear power window motor operation with rear power window switch.
Is the inspection result normal?
YES - Rear power window switch 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 rear power window switch connector and ground.





Is the measurement value within the specification?
YES - GO TO 2 (Rear power window switch LH)
YES - GO TO 3 (Rear power window switch RH)
NO - GO TO 4
2. CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH LH)





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






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





Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
3. CHECK HARNESS CONTINUITY (REAR POWER WINDOW SWITCH RH)





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






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





Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
4. CHECK HARNESS CONTINUITY





1. Disconnect BCM and rear power window switch.
2. Check continuity between BCM connector (A) and rear power window switch connector (B).





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





Is the inspection result normal?
YES - Replace BCM. Service and Repair.
NO - Repair or replace harness.
5. CHECK REAR POWER WINDOW SWITCH
Check rear power window switch. SEE Component Inspection.
Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident.
NO - Replace rear power window switch. .




Component Inspection

COMPONENT INSPECTION
1. CHECK REAR POWER WINDOW SWITCH
Check rear power window switch.





Is the inspection result normal?
YES - Rear power window switch is OK.
NO - Replace rear power window switch. .