Diagnosis Procedure

REAR WINDOW DEFOGGER SWITCH


Description

- The rear window defogger is operated by turning the rear window defogger switch ON.
- Turns the indicator lamp in the rear window defogger switch ON when operating the rear window defogger.




REAR WINDOW DEFOGGER SWITCH


Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.
1. CHECK A/C AND AV SWITCH ASSEMBLY (REAR WINDOW DEFOGGER SWITCH) CIRCUIT
Does rear window defogger switch operate normally?
Is the inspection result normal?
YES - Inspection End.
NO - GO TO 2
2. CHECK HARNESS CONTINUITY





1. Turn ignition switch OFF.
2. Disconnect BCM and A/C and AV switch assembly.
3. Check continuity between BCM connector (A) and A/C and AV switch assembly connector (B).





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





Is the inspection result normal?
YES - Replace A/C and AV switch assembly. Service and Repair.
NO - Repair or replace harness.