Connect the electrical connector of rain light 4. sensor. Fix the rain light sensor cover from the front 5. windscreen. Fix Rear view mirror on the windshield glass. 6. FUNCTIONAL DETAILS B. 1. AUTO LIGHT FUNCTION: Auto Light function is activate if the auto light • switch is in auto mode and ignition is ON. Light sensor sends the light information to • BCM, all the time it is active. BCM shall analyze the data and act accordingly. Both auto light and auto rain function has • separate control. Rain Light sensor Controller interfacing with BCM to activate the auto light function: LIN based controller supplies the LIN signal to • the Body Control Module. BCM gets the auto wipe activation input from • the combination switch. BCM shall communicate the analog sensitivity settings to RLS. RLS detects the intensity of rain based on these threshold values. BCM shall then activate the auto wipe function as per signals from rain sensor. NOTE If only windshield is damage during accident & rain light sensor is OK, then after installation of new windshield glass use the existing rain light sensor. LV SYSTEM 172
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