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 | Link |
|---|---|---|
| Heated windshield defroster system does not operate | HWD NO.1 fuse | - |
| ECU-IG NO.3 fuse | - | |
| HTR-IG fuse | - | |
| Air conditioning system | ||
| LIN communication system | ||
| Perform Active Test | ||
| HWD NO.1 relay | ||
| Front window deicer switch | ||
| Air conditioning control assembly | ||
| Air conditioning amplifier assembly | ||
| Windshield glass (heated windshield defroster) | - | |
| Harness or connector | - | |
| One of heated windshield defrosters does not operate | HWD NO.2 fuse | - |
| HWD NO.2 relay | ||
| Harness or connector | - | |
| Windshield glass (heated windshield defroster) | - |