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WINDSHIELD WIPER AND WASHER TSB Revision EXTERIOR 51-10 Rain sensitive AUTO wiper function <Optional: Vehicles for USA with lighting control Lighting control sensor (rain sensor) has been • The amount of rainfall on the windshield surface are detected by using the infrared reflection, and • Dry windshield: All infrared rays emitted from the emitter diode are reflected by the windshield and • Wet windshield: Part of the infrared rays emitted from the emitter diode are transmitted to outside NOTE: Using the configuration function, the rain sen- AC708778AB Windshield Lighting control sensor (rain sensor) Windshield Receiver diode Emitter diode Raindrop High Receiver diode Emitter diode Reduced Windshield Optical Optical Dry windshield Wet windshield Infrared rays Infrared rays |