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.
Moisture Sensitive Wipers
The outside moisture sensor monitors moisture accumulation on the windshield and provides an input to the windshield wiper motor module. If no moisture is detected, the wipers will not operate in the DELAY modes. The windshield wiper switch signal 1 circuit is used to activate the automatic operating mode and to adjust the level of sensitivity to moisture accumulation when commanding a wiper motor wipe cycle. The moisture sensor sends a PWM voltage signal to the wiper motor module through the moisture sensor signal 1 circuit whenever the ignition is in the accessory or run positions. If at anytime the moisture sensor signal 1 circuit PWM voltage signal input to the wiper motor module is lost, the wiper motor module will use the input from the windshield wiper switch signal 1 circuit to operate the wiper motor at continuous variable delay intervals.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.