Checking component

Check that nothing is preventing the screen from closing.

Check the fuse in the passenger compartment fusebox. For further information about the fuses and relays, see the Wiring Diagram.

Check the cable between display screen terminal #J4 and control module terminal #C4. Check for a short-circuit to supply voltage. Check for a short-circuit to ground. Check for an open-circuit.

Remedy as necessary.

Other information: 

• To access and replace the display screen, see Display screen / loudspeaker, RTI (road traffic information), replacing
• To fault-trace wiring and terminals, see Checking wiring and terminals
• For information about programming and replacing the road traffic information (RTI) control module, see Road traffic information module (RTI), replacing
• To connect the breakout box, see Connecting the breakout box to the Road Traffic Information (RTI) control module
• For information about signals and connectors, see Signal specification, RTI .

Fig 1: Identifying Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Replacing display screen