Checking wiring and terminals

Check the connector between the road traffic information (RTI) control module and the GPS antenna. Check for contact resistance and oxidation.

Check the wiring between the GPS antenna and road traffic information (RTI) control module terminals #G1 and #G2. Check for a short-circuit to ground. Check for an open-circuit.

HINT: If the GPS antenna is using more than 100 mA, the current is "shut off" in the control module and drops to 0 mA. 

Remedy as necessary.

Other information 

• To connect the breakout box, see Connecting the breakout box to the Road Traffic Information (RTI) control module
• To access the GPS antenna, see Antenna, GPS, replacing
• For information about programming and replacing the road traffic information (RTI) control module, see Road traffic information module (RTI), replacing
• For information about signals and connectors, see Signal specification, RTI
• To fault-trace the wiring and connections, see Checking cables and terminals .

Fig 1: Identifying Brown Carphone Antenna Connector (F) Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Antenna Clip

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing GPS antenna