2010 Volvo V70 Base, 3.2 96FACTORY OEM SERVICE PROCEDURE

System Overview: Signals

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

Input Signals Output Signals
Directly connected:  Directly connected: 
(power supply unless otherwise stated)
  • SIM card holder (16/140)
  • Antenna signal, phone (16/47)
  • Microphone, handset (16/62)
  • Switch for Volvo On Call including reserve microphone (only for Volvo On Call) (3/267)
  • Collision signal from supplemental restraint system (SRS) (4/9) (only applies to phone modules (PHM) with Volvo On Call)
  • SIM card holder (16/140)
  • Antenna signal, phone (16/47)
  • Loudspeaker, handset (16/62)
  • Switch for Volvo On Call including reserve microphone (only for Volvo On Call) (3/267)
Via CAN communication:  Via 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)
GLL152311Courtesy of VOLVO CARS CORPORATION
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