GSIC - Global Service Information Center

# WINDOW DEFOGGER SYSTEM > PROBLEM SYMPTOMS TABLE

## for Preparation Click here

HINT:

  Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Symptom | Suspected area | See page
Rear window defogger switch is turned ON but does not operate | DEF fuse | Click here
DEF relay | Click here
Rear window defogger wire | Click here
Wire harness |
Rear window defogger switch is turned ON but does not operate | DEF fuse | Click here
ECU-IG & GAUGE fuse | Click here
DEF relay | Click here
Rear window defogger switch | Click here
Rear window defogger wire | Click here
Wire harness |