How do Toyota rain sensing wipers work?
It doesn’t “feel” the rain on the windshield, but instead it uses infrared reflections to determine when there is rain on the windshield. When that infrared light is scattered due to rain drops, your wipers will activate and clear the windshield.
How does the automatic rain sensor work?
The rain sensor works on the principle of total internal reflection. An infrared light beams at a 45-degree angle on a clear area of the windshield from the sensor inside the car. When it rains, the wet glass causes the light to scatter and lesser amount of light gets reflected back to the sensor.
How do you fix rain sensing wipers?
Go to the wiper control switch on your vehicle. Spray electrical contact cleaner into the switch seams and rapidly work the control on and off, or turn to the knob dial. Spray contact cleaner on the “On/Off” switch to the rain sensor and activate the switch several times. Let the switches air dry.
How do I know if I have rain-sensing wipers?
First, if your wipers automatically turn on when raindrops come in contact with the windshield then you have a sensor. You can also check by looking from the outside – behind the rear view mirror. If you see a strip of lens or film that faces the outside that is adjoining your light sensor.
What vehicles have rain sensing wipers?
It is available on many popular models including Sienna, C-HR, Land Cruiser, Prius and the RAV4. They will also be available on the all-new 2020 Highlander. Since I had a 2020 Toyota RAV4 available to test with, I used this as a demonstration vehicle. The idea of how rain-sensing windshield wipers work is an easy one.
How do I know if I have a rain sensor on my windshield?
What is the purpose of rain sensing wipers?
These days, even non-luxury compact and family cars are available with rain-sensing wipers. These systems utilize an LED sensor, fitted between the windshield and rearview mirror, to detect the amount of rain or snow falling on the windshield.
How much does a rain sensor windshield cost?
Aligning cameras and sensors add to cost Even a replacement windshield for a vehicle with head up display that does not have driver-assistance systems and rain sensing wipers can easily cost over $1,500.