Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Wiper/Washer System Description and Operation: Notes
The windshield wiper/washer system consists of the following components:
- wiper motor and transmission module
- wiper arm and blade assemblies
- washer pump
- washer solvent container
- wiper/washer switch
The wiper/washer system operates in the following modes:
- WASH
- MIST
- DELAY
- LO
- HI
When the wiper switch is turned OFF, the wiper motor returns the wipers to the park position.
Voltage is applied to the accessory voltage circuit when the ignition is in the ACCY or ON position.
The wiper motor is equipped with radio frequency interference (RFI) suppression.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.