Checking component

Check the cable between display screen terminal #J18 and RTI control module terminal #C12. Check for a short-circuit to supply voltage. Check for a short-circuit to ground. Check for an open-circuit.

Check the cable between display screen terminal #J9 and RTI control module terminal #C14. Check for a short-circuit to supply voltage. Check for a short-circuit to ground. Check for an open-circuit.

Check the cable between display screen terminal #J5 and RTI control module terminal #C3. 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 program and access or replace the RTI (road traffic information) control module, see Removal 
• 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 RTI control module (to display) and Display (to RTI control module and "chassis")
• See Checking wiring and terminals

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