Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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. Symptom Related Diagnostic Procedures