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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Heated windshield defroster system does not operate | Air conditioning system | |
| Front window deicer switch | - | |
| Air conditioning amplifier assembly | - | |
| HWD1 relay | - | |
| HWD2 relay | - | |
| Wire harness or connector | - | |
|
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