Initial Inspection and Diagnostic Overview
1. Verify the customer concern.2. Visually inspect for obvious signs of mechanical and 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
^ Central Junction Box (CJB) Fuse 2 (30 A)
^ Damaged wiper motor
^ Circuitry
^ Damaged or corroded connectors
^ Damaged washer pump
^ Inoperative multifunction switch
^ Wiper control module
^ Thermal breaker internal to the wiper motor
3. If the concern is not visually evident, determine the symptom and proceed to Symptom Chart to continue diagnostics. Symptom Related Diagnostic Procedures