Inspect the fuses and relays related to this system before inspecting the suspected areas below.
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 |
|---|---|---|
| Window defogger system does not operate | Proceed to the "Rear Window Defogger System does not Operate" | 202304,999999,_59,_080745,_0600555,RM100000002BD1O,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| Rear window defogger system does not operate (indicator on) | DEF-MAIN fuse | - |
| DEF relay | 201906,999999,_59,_080745,_0392473,RM100000001HR0I,
|
|
| Rear window defogger wire (Back window glass) | 201906,999999,_59,_080745,_0392472,RM100000001HR0G,
|
|
| Wire harness or connector | - | |
| Rear window defogger system does not operate (indicator off) | ECU-IG1 NO. 3 fuse | - |
| DEF relay | 201906,999999,_59,_080745,_0392473,RM100000001HR0I,
|
|
| Rear window defogger switch (No. 1 heater control sub-assembly) | 201906,999999,_58,_080733,_0393743,RM100000001I5QR,
|
|
| Wire harness or connector | - |