Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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 system does not operate*1 | Refer to troubleshooting | |
| Rear window defogger does not operate (indicator ON)*2 | DEFOGGER fuse (for 1KR-FE) | - |
| DEFOGGER fuse (for 1NR-FE) | - | |
| DEFOGGER NO. 1 fuse (for 1ND-TV) | - | |
| DEFOGGER relay | ||
| Back door glass (defogger wire) | ||
| Harness or connector | - | |
| Rear window defogger does not operate (indicator OFF)*2 | HTR-IG fuse | - |
| No. 3 heater control (defogger switch) | ||
| Harness or connector | - |
*1: for Automatic Air Conditioning System
*2: except Automatic Air Conditioning System