Checking for contact resistance and oxidation

Remedy the CD-ROM player connector K and the RTI connector A for contact resistance and oxidation according to Contact resistance and oxidation .

Check the wiring between the RTI control module terminals #A7, #A19 and #A22 and the CD-ROM player terminals #K3, #K4 and #K5. Check for an open-circuit according to Open-circuit, intermittent faults . Check for a short-circuit to ground according to Short-circuit to ground, intermittent faults .

Remedy as necessary.

Other information: 

• To access and replace the Road Traffic Information (RTI) control module, see Road traffic information module (RTI), replacing 
• To access and replace the CD-ROM player, see CD reader, RTI (road traffic information), 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 RTI control module and CD-ROM changer (to RTI control module and "chassis") .

Fig 1: Breakout Box

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  OKAY:  Troubleshooting has been completed.