General Information

Component Location





General Description

Auto light control system controls head/tail light automatically in accordance with detected intensity of illumination without extra signal of driver. It consists of auto light sensor, multifunction switch and head/tail lamp, and operates when the light switch is moved to AUTO position. Auto light sensor 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.

DTC Description

The ECM sets DTC B1901 if the supply voltage of auto light sensor is out of range.

DTC Detecting Condition





Specification

** Operation of head/tail lamp as a function of Auto light Sensor's Input voltage.






Schematic Diagram