Checking the relay

Fig 1: Identifying Ignition Off Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Check that relay 2/29 is installed correctly. At the same time check relay connection for contact resistance and oxidation as described in Contact resistance and oxidation .

  Additional information 

  • For interior relay unit, see Central electronic module (CEM), replacing
  Fig 2: Identifying Ohm Meter

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Relays And Terminals

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is there a fault? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing the CEM