Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Media, Communication And Navigation - Specifications, Electrical/Electronic (XC)
2003 Volvo XC70SECTION Media, Communication And Navigation - Specifications, Electrical/Electronic (XC)
- Signal Specification (2001-2007)
- Signal specification, audio control module
- Overview
- Connecting the breakout box and checking the ground terminal
- Taking readings
- The audio control module, green connector
- Audio control module (AUM)/External amplifier to loudspeakers, gray connector
- Audio control module (to aerial)
- Audio control module (cable between the audio module and the amplifier)
- Audio control module (cable between the audio module and the CD changer/navigation unit)
- External amplifier
- 10-CD changer
- Signal specification, RTI
- Overview
- Connecting the breakout box and checking the ground terminal
- Connecting the breakout box and checking the ground terminal
- Taking readings
- RTI control module
- RTI control module (to TV receiver)
- RTI control module (to display)
- RTI control module (to CD-ROM changer)
- RTI control module (to audio unit)
- RTI control module (to GPS antenna, gray connector)
- RTI control module (to TMC (FM-MPX) antenna, brown connector)
- RTI control module (to FM-MPX antenna, green connector)
- Display (to RTI control module and "chassis")
- CD-ROM changer (to RTI control module and "chassis")
- CD-ROM changer (to RTI control module)
- TV receiver (to RTI control module)
- TV receiver (to reverse camera and video)
- TV receiver (to CD player)
- TV receiver (to TV tuner A)
- TV receiver (to TV tuner B)
- Checking ground terminals
- Signal specification, audio control module
- Signal Specification, Rear Seat Entertainment Module (RSE), Generation 4.1 (2006-2007)
- Signal Specification, Rear Sound Separation Electronic Module. Rear Seat Entertainment, Generation 4.1 (2006-2007)
- Description Of Parameters. PHM (2001-2005)
- Description of parameters
- Parameters, status
- Status, alarm (Volvo On Call/Volvo On Call Plus)
- Status, lock (Volvo On Call/Volvo On Call Plus)
- Antenna signal (Volvo On Call/Volvo On Call Plus)
- Volvo On Call activated (Volvo On Call/Volvo On Call Plus)
- Steering wheel keypad, volume -
- Steering wheel keypad, volume +
- NO button
- YES button
- >>I button
- I<< button
- 1 button
- 2 button
- 3 button
- 4 button
- 5 button
- 6 button
- 7 button
- 8 button
- 9 button
- 0 button
- * button
- # button
- CLR button
- Parameters, value
- GSM IMEI number (markets with GSM only)
- AMPS Electronic Serial Number (market with AMPS only)
- Capacity of the emergency battery (Volvo On Call/Volvo On Call Plus)
- VIN (Volvo On Call/Volvo On Call Plus)
- GPS Received position, latitude (Volvo On Call / Volvo On Call Plus)
- GPS Received position, longitude (Volvo On Call / Volvo On Call Plus)
- AMPS signal strength (markets with AMPS only)
- GSM signal strength (markets with GSM only)
- Parameters, status
- Description of parameters
- Signal Specification, CARPHONE Module (2001-2007)
- Signal description. Phone module (PHM)
- Connecting the breakout box and checking the ground terminal
- Connectors
- Connector A, carphone module (PHM)
- Connector B, hands-free speaker connector on the carphone module (PHM)
- Connector C, hands-free microphone connector in the A-post
- Connector D, Handset connector
- Connector E, GPS/carphone antenna, double Hirose GT5 in the right A-post
- Connector F, carphone antenna (brown connector), single Hirose GT5
- Connector G, GPS- antenna (gray connector), single Hirose GT5
- Connector H, Hands-free microphone. Only on cars manufactured up to week 34, 2001 inclusive
- Signal description. Phone module (PHM)
- Signal Specification, HANDSFREE Accessories (2001-2007)
- Signal Specification (2002-2007)
- Signal specification, audio control module
- Signal specification, RTI
- Connecting the breakout box and checking the ground terminal
- RTI control module connections
- RTI control module
- RTI control module (to TV receiver)
- RTI control module (to display)
- RTI control module (to audio unit)
- RTI control module (to GPS antenna, gray connector)
- RTI control module (to TMC (FM-MPX) antenna, brown connector)
- Display (to the road traffic information (RTI) control module)
- Display
- TV receiver (to RTI control module)
- TV receiver (to the video)
- TV receiver (to CD player)
- TV receiver (to TV tuner A)
- TV receiver (to TV tuner B)
RENDER: 1.0x
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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.