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Home >> Volvo >> 2008 >> V70 >> Repair and Diagnosis >> Electrical >> Charging Systems >> Charging System, Electrical Control Modules, Engine Control Module (ECM) - Design And Function >> Integrated Audio Module (IAM) (2008-10) >> System Overview >> Signals
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System Overview: Signals

The table below summarizes the input signals to and output signals from the integrated audio module (IAM). Signal type is divided into directly connected signals and MOST communication. The graphic below depicts the same information plus Volvo's component designation.

Input Signals Output Signals
Directly connected:  Directly connected: 
  • Power supply
  • Ground
  • Antenna. AM and FM signal via antenna amplifier (16/16)
  • Microphone (signal) (16/98)
  • Telephone handsfree (accessory)
  • AUX input (16/123)
  • USB/iPod input (17/42)
  • Speaker (16/3-6), 4 pieces. (Performance)
  • Micophone (phantom feed) (16/98)
  • Antenna amplifier (power supply) (16/16)
  • USB/iPod input (17/42)
Via MOST communication:  Via MOST communication: 
  • Infotainment control module (ICM) (3/281)
  • Bluetooth phone module (BPM) (16/147)
  • Phone module (PHM) (16/60).
  • Multimedia module (MMM) (16/108)
  • Infotainment control module (ICM) (3/281)
  • Audio module (AUD) (16/105) (not Performance)
  • Bluetooth phone module (BPM) (16/147)
  • Phone module (PHM) (16/60).
Fig 1: Identifying Input Signals And Output Signals From Integrated Audio Module (IAM)
GLL169991Courtesy of VOLVO CARS CORPORATION