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Home >> Volvo >> 2010 >> S40 Base, 2.4 39, Automatic >> Repair and Diagnosis >> Electrical >> Body Electrical >> Accessory Electronic Module (AEM), Accessory USB Unit (AUU) And Central Electronic Module (CEM) - Specifications, Other (544 Body) >> Vehicle Communication Information, Accessory Electronic Module (AEM) (2004-2011) >> Description Parameters >> CARPHONE Mute Input Signal
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CARPHONE Mute Input Signal

The value indicates the status of the input on the control module for carphone accessories.

Low = The carphone mute function is active, i. e. the connected carphone is receiving a call and is transmitting a low signal. The accessory electronic module (AEM) then transmits a request to lower the sound level to 0 (mute) via the CAN network to the infotainment control module (ICM).

High = The carphone mute function is not active.

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