Checking for contact resistance, oxidation and checking wiring

HINT: The phone module is connected to the telephone antenna via a connector in the right A-pillar. 

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Check the antenna cable between phone module connector F (brown) and connector E (terminal 2) in the right A-pillar for open circuit, loose connection and short circuit to supply voltage.

  See Checking wiring and terminals. Intermittent faults

  Remedy as necessary.

  Other information 

  • See Telephone module/-control module (PHM), changing
  • See Antenna carphone, replacing
  • See Connecting the breakout box. Carphone module
  • See Signal description. Phone module (PHM)
  Fig 2: Identifying GPS/Carphone Antenna Module Connector (E) Terminals

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying 1-Bit Connector

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to Fault-tracing information 

• NO 

  Refer to Checking connectors and wiring