Diagnosis Procedure

POWER SUPPLY AND GROUND CIRCUIT

REAR 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 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.
Component Inspection.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace rear power window switch. Rear Power Window Switch.