Checking the locking motor wires

Check door control unit and lock unit connectors for contact resistance and oxidation as described in Contact resistance and oxidation .

Trouble-shoot the wire between door control unit connector B2 and lock unit connector 8 for an open circuit as described in Open-circuit, permanent faults .

Trouble-shoot the wire between door control unit connector B6 and lock unit connector 7 for an open circuit as described in Open-circuit, permanent faults .

Additional information 

• To access/replace rear electronic module (REM), see Integrated relay/fusebox cargo compartment/Rear electronic module (REM), replacing .

Fig 1: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Is there a fault? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Replacing the lock unit