2010 Volvo V70 Base, 3.2 96FACTORY OEM SERVICE PROCEDURE

System Overview: Signals

The following table summarizes the input signals to and output signals from the phone module (PHM). The signal types are divided into directly connected signals, MOST and CAN communication. The graphic below displays the same information with the Volvo component designations.

Input Signals Output Signals
Directly connected:  Directly connected: 
(power supply unless otherwise stated)
  • SIM-card holder (16/140) (model-dependent)
  • Antenna signal, carphone (16/47)
  • GPS-signal, telephone (16/47)
  • Microphone, handset (16/62) (model-dependent)
  • Hook, handset (16/62) (model-dependent)
  • Switch for Volvo On Call including reserve microphone (only for Volvo On Call) (3/267)
  • Collision output signal from the supplemental restraint system module (SRS) (4/9) (applies only to phone modules (PHM) with Volvo On Call).
  • SIM-card holder (16/140) (model-dependent)
  • Antenna signal, carphone (16/47)
  • GPS-signal, telephone (16/47)
  • Speaker, handset (16/62) (model-dependent)
  • Switch for Volvo On Call including reserve microphone (only for Volvo On Call) (3/267)
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Central electronic module (CEM) (4/56)
  • Supplemental Restraint System Module (SRS) (4/9)
  • Driver door module (DDM) (3/126)
  • Passenger door module (PDM) (3/127)
  • Climate control module (CCM) (4/6)
  • Brake control module (BCM) (4/16)
  • Driver information module (DIM) (5/1).
  • Central electronic module (CEM) (4/56)
  • Driver information module (DIM) (5/1).
Via MOST communication:  Via MOST communication: 
  • Infotainment control module (ICM) (3/281)
  • Integrated audio module (IAM) (16/1) (microphone for handsfree)
  • Multimedia module (MMM) (16/108) (Integrated GPS receiver for vehicle position - only for phone module (PHM) with Volvo On Call)
  • Infotainment control module (ICM) (3/281)
  • Integrated audio module (IAM) (16/1) (speaker sound for handsfree)
  • Audio module (AUD) (speaker sound for handsfree) (16/105) (certain versions only)
Fig 1: Identifying Input Signals And Output Signals From Phone Module (PHM)
GLL164895Courtesy of VOLVO CARS CORPORATION
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