A »To diagnose a windshield wiper fault, start by checking the fuse and wiper blades for wear. Listen for motor noise; if silent, the motor might be faulty. If the motor runs but wipers don't move, inspect the linkage. Ensure connections are tight and free of corrosion. Lastly, test the wiper switch on the steering column. This approach helps pinpoint the issue efficiently!

A »To diagnose a fault in the windshield wiper system, check the wiper blades, arms, and motor for damage or wear. Inspect the electrical connections and wiring for corrosion or damage. Test the wiper switch and relay. Consult a repair manual for specific troubleshooting steps and voltage tests to identify the root cause of the issue.