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 |
|---|---|---|
| Window deicer switch is turned on but does not operate (Indicator on) | Air conditioning amplifier assembly | |
| Windshield glass (Windshield deicer wire) | - | |
| Harness or connector | - | |
| Window deicer switch is turned on but does not operate (Indicator off) | Windshield deicer switch (Outer mirror heater switch assembly) | |
| Air conditioning amplifier assembly | ||
| Windshield glass (Windshield deicer wire) | - | |
| Harness or connector | - |