How to Diagnose and Troubleshoot Wiper Failures?

[JadeDella]

Wiper failure diagnosis and troubleshooting methods: 1. Check the fuse, there should be no open circuit, and the wiring should not be loose; 2. Check the power line and ground line of the wiper motor and switch, ensuring good contact and no open circuit; 3. Check whether each terminal of the switch can be properly connected in the corresponding gear; 4. Check the motor and mechanical connection. The wiper is an important accessory installed on the windshield, and its function is to remove rain, snow, and dust that obstruct the view on the windshield. Therefore, the wiper plays a crucial role in driving safety. Legally, almost all vehicles everywhere are required to have wipers, and rear windows of hatchbacks and SUVs are also equipped with wipers.