Checking the front door

Check the control unit connector B1 and lock unit connector 6 for Contact resistance and oxidation and check the intermediate wire for an open circuit as described in Open-circuit, permanent faults .

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Is there a fault? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Checking the components