Checking and replacing the component

Remove relay 2/118. Check the relay base switches for contact resistance and oxidation according to Contact resistance and oxidation .

Install the relay.

Activate the relay using the control panel on the left rear door, window down.

If the function is now OK the fault was caused by a contact fault in the relay base.

Other information 

• See Central electronic module (CEM), replacing

Fig 1: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Relays

Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the function OK? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing the component