2011 Volvo C70FACTORY 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 infrared signals (IR), MOST communication, LIN communication and CAN communication. The illustration below (see Fig 1) displays the same information with the Volvo component designations.

Input signals Output signals
Via infrared signals:  Via infrared signals: 
  • Remote control
 -
Via MOST communication:  Via MOST communication: 
  • Audio module (AUD) (16/105)
  • Multimedia module (MMM) (16/108)
  • Integrated audio module (IAM) (16/1)
  • Phone module (PHM) (16/60)
  • Subwoofer module (SUB) (16/79) (only C70)
  • Remote Digital Audio Receiver (RDAR) (16/145)
  • Accessory USB unit (AUU) (4/124)
  • Bluetooth phone module (BPM) (16/147)
  • Audio module (AUD) (16/105)
  • Multimedia module (MMM) (16/108)
  • Integrated audio module (IAM) (16/1)
  • Phone module (PHM) (16/60)
  • Subwoofer module (SUB) (16/79) (only C70)
  • Remote Digital Audio Receiver (RDAR) (16/145)
  • Accessory USB unit (AUU) (4/124)
  • Bluetooth phone module (BPM) (16/147)
Via LIN communication:  Via LIN communication: 
  • Steering wheel module (SWM) (3/254).
 -
Via Controller Area Network (CAN) communication:  Via Controller Area Network (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)
  • Supplemental restraint system module (SRS) (4/9)
  • Climate control module (CCM) (3/112)
  • Central electronic module (CEM) (4/56)
Fig 1: Identifying Infotainment Control Module (ICM) & Components
GLL164800Courtesy of VOLVO CARS CORPORATION
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