
WIPER/WASHER SYSTEM
09-19–6
Operation With Rainfall Contacting Windshield
1. Infrared light is emitted from the LED in the rain sensor towards the windshield.
2. Emitted infrared light passing through the lens is received by the windshield and diffused by the rainfall
contacting the windshield.
3. The infrared light that is not diffused is reflected by the windshield and received by the photodiode in the lens.
4. The photodiode receives the light, the microcomputer in the rain sensor calculates the rainfall amount from the
reflection rate, converts this to an electric signal and sends a windshield wiper control signal to the auto light/
wiper control module.
End Of Sie
LED
RAINFALL
DIFFUSION
INFRARED LIGHT
LENS
RAIN SENSOR
PHOTODIODE
WINDSHIELD
EMITTED
LIGHT
RECEIVED
LIGHT
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Содержание 2009 RX-8
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