How does a rain sensing wiper work on a car?
How does a rain sensing wiper work on a car?
Rain sensing wipers have been a fairly recent development on vehicles. Rain sensors automatically detect rain, snow or moisture on the windshield. They adjust the wiper speed depending upon the accumulation of water drops on the window’s surface.
Why do you need a rain sensor on your windshield?
The rain sensor on your windshield helps keep you safe as well as other drivers. Paying attention to the road in front of you can be difficult if you are distracted, where even turning on the windshield wipers can be an effort.
Where is the sensor on a windshield wiper?
A sensor attached to the front windshield behind the rear view mirror operates by using an infrared light. The infrared light shoots a beam through the windshield at a 45-degree angle. Anything on the window that disrupts that beam triggers the sensor to activate the wiper.
What to use to clean rain sensing wipers?
Use a spray bottle of window cleaner to soak the inside of the front window. Wipe the window’s surface clean with towels, removing all stains, such as coffee, tobacco, any haze and hand prints. Clean the outside of the front window with window cleaner and towels. Remove all bug stains, bird droppings, oil film, mud or other debris.
Do you have to turn on windshield wipers with rain sensor?
Paying attention to the road in front of you can be difficult if you are distracted, where even turning on the windshield wipers can be an effort. With a rain sensor, you don’t have to worry about turning on or off your windshield wipers because it is taken care of for you.
Where is the test light on a rain sensing wiper?
Most modules have location mounts on the firewall inside the engine compartment. Take a test light and stick the sharp probe of the test light into the red power wire that comes from the sensor down to the module. The key must be on, and the window must be wet. Look for the test bulb light to illuminate.
How does a rain sensor work on a car?
Rain sensors automatically detect rain, snow or moisture on the windshield. They adjust the wiper speed depending upon the accumulation of water drops on the window’s surface. This allows the vehicle owner a hands-off posture while driving through rain, mist and snow.
What to do if your windshield wipers do not move?
Turn the ignition key to the “On” position. Turn the rain sensor switch to the “On” position. If the wipers do not move, refer to your owner’s repair manual for the location of the rain sensor module. It will be a small plastic box that receives the wires from the sensor.
