| Sign | Probable cause | Method of elimination |
| Windscreen wipers do not work or return to the off position | The fuse has blown | Check for short circuit and replace fuse |
| The windshield wiper motor is faulty | Check the wiper motor | |
| The windshield wiper switch is faulty | Check the windshield wiper switch | |
| The electrical wiring is damaged or shorted to ground | Restore the electrical wiring | |
| Windscreen wipers do not work in INT position | The windshield wiper interval control unit is faulty | Check the wiper interval control unit |
| The windshield wiper switch is faulty | Check the windshield wiper switch | |
| The windshield wiper motor is faulty | Check the wiper motor | |
| The electrical wiring is damaged or shorted to ground | Restore the electrical wiring |
