S40 2.4i L5-2.4L VIN 38 B5244S4 (2008)
Auxiliary Input / Output Jack: Description and Operation
Function
Accessory USB Unit (AUU)
Function
Playing stored media
The task of the Accessory USB unit (AUU) is to manage playback of media that is stored on the external USB memory and the iPod player. The
Accessory USB unit (AUU) supports media formats:
-
mp3
-
wav
-
wma
The accessory USB unit (AUU) (4/124) is controlled via the buttons on the centre 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) (16/1.2) 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:
-
next track/previous track
-
fast forward/rewind
-
random playback (Random)
-
system search (scan)
Any stored text information is also sent via the MOST network to the infotainment control module (ICM) display, where it is displayed.