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System Overview: Signals

The table below summarizes the input signals to and output signals from the Integrated Audio Module (IAM). The signal types are divided into directly connected signals, bluetooth, and MOST-communication. The illustration below displays the same information with the Volvo component designations.

Input signals Output signals
Directly connected:  Directly connected: 
  • Power supply
  • Ground
  • Antenna booster (AM/FM1) (Antenna signal) (16/16)
  • Antenna booster (FM2) (Antenna signal) (16/71)
  • Microphone (signal) (16/98)
  • AUX input (16/123)
  • USB/iPod input (17/42)
  • GPS-antenna (16/47) (only vehicles with option navigation)
  • VICS-antenna (16/121) (traffic information/navigation only Japanese market)
  • Speakers (16/3-6, 16/55-56), 6 pieces. (Performance)
  • Microphone (phantom feed) (16/98)
  • Antenna booster (AM/FM1) (voltage feed) (16/16)
  • Antenna booster (FM2) (voltage feed) (16/71)
  • USB/iPod input (17/42)
  • Infotainment control module (ICM) (3/281) composite video signal (CVBS)
  • GPS-antenna (16/47) (phantom-feed) (only vehicles with option navigation)
  • VICS-antenna (16/121) (traffic information/navigation only Japanese market) (phantom-feed)
Via Bluetooth:  Via Bluetooth: 
  • Telephone handsfree (High performance, High performance multimedia, and Premium sound multimedia).
  • Infotainment remote control (option)
  • Telephone handsfree (High performance, High performance multimedia, and Premium sound multimedia).
Via MOST communication:  Via MOST communication: 
  • Infotainment control module (ICM) (3/281)
  • Phone module (PHM) (16/60).
  • Television Module (TVM) (16/36)
  • Remote Digital Audio Receiver (RDAR) (16/145) (market-dependent) (option)
  • Digital Audio Broadcast Module (DABM) (16/162) (market-dependent) (option)
  • Rear seat entertainment module (RSE) (16/109) (option) (model-dependent)
  • Infotainment control module (ICM) (3/281)
  • Audio module (AUD) (16/105) (High performance, High performance multimedia, and Premium sound multimedia).
  • Phone module (PHM) (16/60).
  • Rear seat entertainment module (RSE) (16/109) (option) (model-dependent)
Fig 1: Identifying Network Communication Diagram
GLL177821Courtesy of VOLVO CARS CORPORATION