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 supply voltage.

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 Voltage Display

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification