E 150 1/2 Ton Van V6-4.2L VIN 2 (1997)
Windshield Washer Control Module: Flow of Diagnosis
73 Digital Multimeter
Special Tool(s)
1. Verify the vehicle owner's original concern by operating the wiper and washer system to duplicate the concern.
2. Inspect to determine if any of the following 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
^
Plugged washer nozzle jets
ELECTRICAL
^
Open fuse: Instrument panel Fuse 9 (30A)
^
Damaged windshield wiper motor
^
Damaged windshield washer pump
^
Open connectors
^
Inoperative multi-function switch Corroded connectors
3. If the concern(s) remains after the inspection, determine the symptom(s) and go to the Symptom Chart. See: Wiper and Washer Systems/Testing
and Inspection/Symptom Related Diagnostic Procedures
