Operation CHARM: Car repair manuals for everyone.

Wiper and Washer Systems: Testing and Inspection

Wipers Do Not Operate Or Return To Park Position

1. Faulty wiper fuse.
2. Faulty wiper motor.
3. Faulty wiper switch.
4. Faulty ground wiring.
5. Faulty control box.

Wipers Do Not Operate In ``INT'' Position

1. Faulty wiper motor.
2. Faulty wiper switch.
3. Faulty control box.
4. Faulty wiring or ground.

Washers Do Not Operate

1. Clogged washer or nozzle.
2. Faulty washer motor.
3. Faulty washer switch.
4. Faulty control box.
5. Faulty wiring or ground.