2011 Volvo XC90 Base, AWDFACTORY OEM SERVICE PROCEDURE

System Overview: Signals

The table below summarizes the input signals to and output signals from the Infotainment control module (ICM). The signal types are divided into infra-red signals (IR), MOST communication and controller area network (CAN) communication. The illustration below displays the same information with the Volvo component designations.

Input signals Output signals
Via MOST communication:  Via MOST communication: 
  • Audio module (AUD) (16/105)
  • Multimedia module (MMM) (16/108)
  • Phone module (PHM) (16/60)
  • Subwoofer module (SUB) (16/79) (up to and incl. model year 2008)
  • Integrated audio module (IAM) (16/1)
  • Remote Digital Audio Receiver (RDAR) (16/145)
  • Global positioning system module (GPS) (16/139) (model year dependent)
  • Accessory USB unit (AUU) (4/124) (structure week 200709 - 201020)
  • Bluetooth phone module (BPM) (16/147) (from and including structure week 201020)
  • Audio module (AUD) (16/105)
  • Multimedia module (MMM) (16/108)
  • Phone module (PHM) (16/60)
  • Subwoofer module (SUB) (16/79) (up to and incl. model year 2008)
  • Integrated audio module (IAM) (16/1)
  • Remote Digital Audio Receiver (RDAR) (16/145)
  • Global positioning system module (GPS) (16/139) (model year dependent)
  • Accessory USB unit (AUU) (4/124) (structure week 200709 - 201020)
  • Bluetooth phone module (BPM) (16/147) (from and including structure week 201020)
Via infrared signals:  Via infrared signals: 
  • Remote control
 -
Via CAN communication:  Via CAN communication: 
  • Accessory electronic module (AEM) (4/78)
  • Brake control module (BCM) (4/16)
  • Central electronic module (CEM) (4/56)
  • Engine control module (ECM) (4/46)
  • Rear electronic module (REM) (4/58).
  • Supplemental Restraint System Module (SRS) (4/9)
  • Steering wheel module (SWM) (3/254).
  • Central electronic module (CEM) (4/56)
Fig 1: Control Modules On The Most Network
GLL176876Courtesy of VOLVO CARS CORPORATION
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