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Home >> Volvo >> 2013 >> XC90 AWD L6-3.2L VIN 95 B6324S5 >> Repair and Diagnosis >> Lighting and Horns >> Headlamp >> Headlamp Control Module >> Testing and Inspection >> Scan Tool Testing and Procedures >> Vehicle Communication Information, Headlamp Control Module (HCM) >> Description Of Parameters
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Description Of Parameters







Description of parameters

Parameters, value

Power supply, value
Measurement range 6 - 20 V.
Indicates the power supply to the headlamp control module (HCM).
The normal value when the alternator is charging: 13.0-14.5 V.

Steering wheel angle, value
Measurement range: -780 to +780°.
Indicates current steering wheel angle.
The normal value when the steering wheel and front wheels point straight ahead is approx. 0°.

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