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 |
|---|---|---|
| Heated windshield defroster system does not operate | Windshield deicer system | |
| Harness or connector | - | |
| Windshield glass (heated windshield defroster) | ||
| One of heated windshield defrosters does not operate | HWD1, HWD2, HWD3 or HWD4 H-fuses | - |
| HWD1, HWD2, HWD3 or HWD4 relays | ||
| Harness or connector | - | |
| Windshield glass (heated windshield defroster) |