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Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting Systems >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Data List

Data List

Ambient Light Sensor:  The scan tool displays 2.1 to 4.3 volts. The voltage level varies based upon the amount of light detected by the ambient light sensor. When the sensor detects full bright the scan tool will display 2.1 volts. When low light is detected the scan tool will display 4.3 volts.