2011 Volvo XC90 R-Design, FWDFACTORY 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 illustration below reproduces the same information and Volvo component designations.

Input signals Output signals
Directly connected: 
  • SIM card holder (16/94)
  • Antenna signal, phone (16/64)
  • Microphone, handset (16/62) (model year-dependent)
  • 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)
 Directly connected: 
(power supply unless otherwise stated)
  • Antenna signal, phone (16/64)
  • Speaker, handset (16/62) (model year-dependent)
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)
  • Brake Control Module (BCM) (4/16)
  • Driver information module (DIM) (5/1)
 Via Controller Area Network (CAN) communication: 
  • Central electronic module (CEM) (4/56)
  • Driver information module (DIM) (5/1)
Via MOST communication: 
  • Infotainment control module (ICM) (16/94)
  • Audio module (AUD) (microphone sound with handsfree) (16/105)
  • Antenna module (ATM) (16/110) (vehicle position, only applies to -2006 for phone modules (PHM) with Volvo On Call)
  • Multimedia module (MMM) (16/108) (vehicle position, via GPS, only applies to 2007- for phone modules (PHM) with Volvo On Call)
  • The Global positioning system module (GPS) (16/139) (only applies to 2007-, for vehicle's with Phone module (PHM) with Volvo On Call that are not equipped with Multimedia module (MMM))
 Via MOST communication: 
  • Infotainment control module (ICM) (16/94)
  • Audio module (AUD) (loudspeaker sound for handsfree) (16/105)
Fig 1: Identifying Volvo Component Designations
GLL156524Courtesy of VOLVO CARS CORPORATION
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