WIPER / WASHER WIPER AND WASHER SYSTEM PROBLEM SYMPTOMS TABLE
- HINT:
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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 |
|---|---|---|
| Front wipers do not operate at all | WIPER NO. 1 fuse, WIPER NO. 2 fuse, ECU-IG NO. 4 fuse | - |
| Wiper ECU power source circuit | 
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| Front wiper motor circuit |
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| Wiper and washer switch circuit |
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| Windshield wiper relay assembly |
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| Front wipers do not operate in AUTO | Rain sensor tape | - |
| Rain sensor circuit |
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| Wiper ECU power source circuit |
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| Speed signal circuit |
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| Front wiper motor circuit |
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| Wiper and washer switch circuit |
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| Windshield wiper relay assembly |
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| When the front wiper switch is in AUTO, the rain sensor sensitivity cannot be adjusted by the windshield wiper switch adjusting ring | Windshield glass (Rain sensor sensing portion) is dirty | - |
| Windshield wiper switch assembly |
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| Harness or connector | - | |
| Windshield wiper relay assembly |
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| Front wipers do not operate in LO or HI | Front wiper motor circuit |
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| Wiper and washer switch circuit |
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| Windshield wiper relay assembly |
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| Front washer motor does not operate | WASHER fuse | - |
| Windshield washer motor and pump assembly |
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| Windshield wiper switch assembly |
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| Harness or connector | - | |
| Washer fluid does not flow (Washer motor is normal) | Washer fluid | - |
| Washer hose and nozzle | - | |
| Front wipers do not operate when the front washer switch is on | Front wiper motor circuit |
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| Wiper and washer switch circuit |
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| Windshield wiper relay assembly |
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| When the front wiper switch is off, the wiper blades do not stop (park) or stop (park) in the wrong position | Front wiper arm installation position |
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| Front wiper motor circuit |
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| Wiper and washer switch circuit |
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| Windshield wiper relay assembly |
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| Symptom | Suspected Area | Link |
|---|---|---|
| Front wipers do not operate at all | WIPER NO. 1 fuse | - |
| Windshield wiper motor assembly |
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| Windshield wiper switch assembly |
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| Harness or connector | - | |
| Front wipers do not operate in INT | Windshield wiper motor assembly |
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| Windshield wiper switch assembly (Operation check) |
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| Windshield wiper switch assembly |
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| Harness or connector | - | |
| Front wipers do not operate in LO or HI | Windshield wiper motor assembly |
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| Windshield wiper switch assembly |
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| Harness or connector | - | |
| Front washer motor does not operate | WASHER fuse | - |
| Windshield wiper motor assembly |
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| Windshield wiper switch assembly |
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| Harness or connector | - | |
| Washer fluid does not flow | Washer fluid | - |
| Washer hose and nozzle | - | |
| Front wipers do not operate when the front washer switch is on | Windshield wiper motor assembly |
|
| Windshield wiper switch assembly |
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| Harness or connector | - | |
| When the front wiper switch is off, the wiper blades do not stop (park) or stop (park) in the wrong position | Front wiper arm installation position |
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| Windshield wiper motor assembly |
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| Windshield wiper switch assembly |
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