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Home >> Volvo >> 2007 >> XC70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Bulbs, Control Modules, Charging - Design And Function) >> Headlight Control Module (HCM) (2007) >> Diagnostic functions >> Reading off input and output signals
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Reading off input and output signals

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This function can be used to continuously read off the status of the control module's input and output signals.

For more information about parameters, see Vehicle communication information in Specifications, other.

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