Checking contact resistance, oxidation and wiring

Check handset connector D and carphone module connector A. Check for loose connections according to Loose connections (terminals) .

Check the cable between carphone handset D6 (terminal #37) and carphone module terminal A14 (terminal #14). Check for an open-circuit according to Open-circuit, intermittent faults .

Check the cable between carphone module connector terminal A2 (terminal #2) and handset signal ground D5 (terminal #36). Check for an open-circuit according to Open-circuit, intermittent faults .

Try replacing the carphone handset if no fault is found in the wiring.

Remedy as necessary.

Other information: 

• To access and replace the handset:
  • For -2004, see: Handset, replacing (-2004) 
  • For 2005-, see: Handset, replacing (2005-) .
• To access or replace the carphone module, see Phone module (PHM), replacing (-2004) 
• To connect the breakout box, see Connecting the breakout box, carphone module 
• For information about signals and connectors, see Signal description, Phone module (PHM) .

Fig 2: Connector D, Handset Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Connector F Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

If the fault is intermittent, do not verify fault-tracing if the fault does not recur.

It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).