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Home >> Volvo >> 2008 >> V70 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Charging System, Electrical Control Modules, Engine Control Module (ECM) - Design And Function >> Multimedia Module (Mmm) (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 multimedia module (MMM). The signal types are divided into directly connected signals and MOST communication. The graphic below depicts the same information with the Volvo component designations.

Input Signals Output Signals
Directly connected:  Directly connected: 
  • Power supply
  • Ground
  • GPS signal from GPS antenna (16/47)
  • TMC signal from antenna amplifier (16/16)
  • High level display front (HLDF) (16/46) (color and synchronization signals)
Via MOST communication:  Via MOST communication: 
  • Infotainment control module (ICM) (3/281) (brake control module (BCM) and transmission control module send signals to infotainment control module (ICM) via CAN network).
  • Infotainment control module (ICM) (3/281)
  • Integrated audio module (IAM) (16/1)
  • Phone module (PHM) (16/60) with Volvo On Call (vehicle position)
Fig 1: Identifying Input Signals And Output Signals From Multimedia Module (MMM)
GLL154189Courtesy of VOLVO CARS CORPORATION