Checking Components

Check the resistance between pin 4 and 6 in the lock unit chassis contact.

The ohmmeter should display 5 ohm.

If the resistance deviates, replace the lock unit.

Additional information 

• To access rear electronic module (REM), see Integrated relay/fusebox cargo compartment/Rear electronic module (REM), replacing
• To access/replace the lock unit, see Lock mechanism rear side door, replacing
• For information on signals and additional values, see Signal specification .

Fig 1: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Relays

Courtesy of VOLVO CARS OF NORTH AMERICA.

Is there a fault? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Checking relay supply