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Home >> Volvo >> 2004 >> XC90 Base, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Modules - Design And Function >> Climate Control Module (2003-2004) >> Diagnostic Functions >> Frozen Values Climate Control Module, Description >> Twilight Sensor, Sensor Signal, Value
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Twilight Sensor, Sensor Signal, Value

Measurement range: 0-5 V

The climate control module uses the value from the twilight sensor to calculate the degree of darkness. The value is used to control the strength of the lighting of the button LEDs.