Checking the wiring

Check the cable between combined instrument panel connector terminal #B4 (#4) and the radio connector terminal #B7. Check for a short-circuit to ground.

Other information: 

• See Checking wiring and terminals. Permanent fault
• For information about signals, see Signal specification
• To connect the breakout box, see Connecting the breakout box .

Fig 1: Identifying Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Continue 

  Refer to Verification