Flow of Diagnosis
1. Verify the customer's concern by operating the windshield wiper/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 fuse: Fuse junction panel Fuse 2 (30 A).
^ Damaged windshield wiper motor.
^ Damaged windshield washer pump.
^ Open connectors.
^ Inoperative multi-function switch.
^ Thermal breaker internal to the wiper motor.
^ Corroded connectors.
3. If inspection reveals obvious concerns which 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