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Home >> Volvo >> 2009 >> XC70 Base >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 44 (Alarm, Electrical Control Modules, Brakes, Brake Control Module (BCM) - Design And Function) >> Accessory USB Unit (AUU) >> Function >> Playing Stored Media
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Playing Stored Media

WARNING: This page is about a different car, the 2010 Volvo V70, 2009 Volvo V70, and 2008 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Accessory USB Unit (AUU)
GLL152182Courtesy of VOLVO CARS CORPORATION

The accessory USB unit (AUU) is designed to handle playback of media stored on external USB memories. The accessory USB unit (AUU) supports the following media formats:

The accessory USB unit (AUU) (4/124) is controlled via the buttons on the center console. Signals indicate when the user has pressed the Play or Stop button.

The accessory USB unit (AUU) communicates with the infotainment control module (ICM) (3/281) via the MOST network. The infotainment control module (ICM) then uses the MOST network to send the signals on to the integrated audio module (IAM) (16/1) or the audio module (AUD) (16/105) depending on vehicle configuration.

The accessory USB unit (AUU) has functions for: 

Any stored text information is also sent via the MOST network to the infotainment control module (ICM) display, where it is displayed.