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Home >> Hyundai >> 2010 >> Azera GLS >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Body Control - Body Control Module >> DTC B1901: Auto Light Out Of Range >> General Information >> General Description

General Information: General Description

Autolight control system controls head/tail light automatically in accordance with detected intensity of illumination without extra signal of driver. It consists of autolightsensor, multifunction switch and head/tail lamp, and operates when the light switch is moved to AUTO position. Autolightsensor detects intensity of illumination and transforms it to voltage value and delivers it to BCM. According to this signal, BCM turns on or off head/tail lamp.