Flow of Diagnosis

1. Verify the customer's concern by operating the wiper and washer system to duplicate the condition.
2. Inspect to determine if one of the following mechanical or electrical concerns apply:

VISUAL INSPECTION CHART

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

Electrical
- Open circuit fuse: Fuse Junction Panel Fuse 10 (30A)
- Damaged windshield wiper motor
- Damaged windshield washer pump
- Open connectors
- Corroded connectors
- Damaged multi-function switch

3. If inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the condition(s) and go to the Symptom Chart. Symptom Related Diagnostic Procedures