Operation CHARM: Car repair manuals for everyone.

Flow of Diagnosis

1. Verify the customer's concern by operating the windshield wiper/washer system to duplicate the condition.
2. Visually inspect for obvious signs of mechanical or electrical damage:

VISUAL INSPECTION CHART

Mechanical
- Wiper blade missing or damaged.
- Binding wiper pivot arm.
- Binding wiper mounting arm and pivot shaft.
- Empty washer reservoir.
- Kinked or broken washer hoses.

Electrical
- Open fuse: Fuse junction panel Fuse 2 (30 A).
- Damaged wiper motor.
- Damaged washer pump.
- Open connectors.
- Inoperative multi-function switch.
- Thermal breaker internal to the wiper motor.
- Corroded connectors.

3. If the concern is not visually evident, determine the symptom and proceed to the Symptom Chart. Symptom Related Diagnostic Procedures