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Home >> Volvo >> 2013 >> XC90 R Design AWD L6-3.2L VIN 95 B6324S5 >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Accessories and Optional Equipment >> Communications Control Module >> Description and Operation >> Integrated Audio Module (IAM) >> Function

Function







Function

Audio unit




The integrated audio module (IAM) functions as a stereo system in the vehicle and is connected to other control modules on the MOST network.

Integrated audio module (IAM) controls settings for:
- Volume
- Bass
- Treble
- Balance
- Fader
- Equalizer
The Integrated Audio Module (IAM) compensates the sound amplitude depending on the vehicle speed and has automatic loudness.
The Integrated Audio Module (IAM) manages playback of compressed music formats from cd (does not apply to Performance).
Support available for following formats:
- mp3
- wma.
The integrated audio module (IAM) can play music via the AUX input.
The AUX input is located in the tunnel console.
From structure week 200848, there is support for playback of music via a USB/iPod-connection in the glove compartment (does not apply to Performance or CD-changers for 6 discs). Support available for the following formats:
- mp3
- wav
- wma
From structure week 200848, there is support for reception of digital HD-radio (does not apply to Performance or CD-changers for 6 discs).
HD radio is transmitted digitally on the AM respectively FM wavelength in USA. The Integrated Audio Module (IAM) automatically switches to digital HD radio reception if there is a current frequency and if the function for HD-radio is highlighted in the user menu.
When the Integrated Audio Module (IAM) receives digital HD radio, a symbol appears for HD radio in the Infotainment control module (ICM).
The integrated audio module (IAM) lowers the volume from the current source when the control module receives other audio information, such as indication from the parking assistance function or phone call.
If the vehicle is equipped with a Multimedia module (MMM), voice information is played via the existing speakers.
Support for CDs Support For CDs Support for USB accessories Support For USB Accessories Support for cellphones and other accessories Support For Cellphones And Other Accessories
Remote control




Remote control on the steering wheel (standard/option) is directly connected to the Steering wheel module (SWM) via serial communication. Volume (reduce-increase) and selection of pre-programmed radio stations can be operated via remote control. During CD or USB/iPod playback, the buttons work as track selection.
The Steering wheel module (SWM) (3/254) communicates via LIN with the Central electronic module (CEM) (4/56) and on to the Infotainment control module (ICM) (16/94) via the CAN network.
The Infotainment control module (ICM) transmits the signals on to the Integrated Audio Module (IAM) (16/1) via the MOST network.

Audio remote control (option)




As an option, remote control can occur from a separate wireless remote control. Volume (increase-reduce) can be controlled and pre-programmed radio stations can be selected via remote control.
During CD or USB/iPod playback the buttons on the remote control work as track selection and during CD playback via the CD exchanger, the remote control can also be used to select CD. A certain frequency can also be searched for, radio stations stored in program locations (Presets), Autostore used and SOURCE selected.

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