SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSVOLVO2009XC70 BASEREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSELECTRICAL MODULES AND COMPONENTS - DESIGN AND FUNCTION - 4 OF 5PHONE MODULE (PHM) (2008 - 2009 EARLY)SYSTEM OVERVIEWSIGNALS
2009 Volvo XC70 Base

System Overview: Signals

2009 Volvo XC70 BaseSECTION 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:  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
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.