Checking the component

Measure the resistance between pins terminals #1 and #2 on the chassis switch lock unit.

The ohmmeter should read 5 ohm.

If the resistance is incorrect, replace the lock unit.

Other information 

• To access the rear electronic module (REM), see Relay/fuse box cargo compartment/Rear electronic module (REM), replacing
• To access and replace the lock unit, see Motor sun roof, replacement
• For further information about signals and other values, see Signal specification .

Fig 1: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Checking relay power supply