Checking Relay

Fig 1: Identifying Ignition Switch OFF Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Check that relay 2/34 is installed correctly. At the same time check the relay connections, in particular 2/34 2, for:

  diagnostic trouble code CEM-8C13 

  short circuit to voltage supply as described in Short-circuit to supply voltage. Permanent faults .

  diagnostic trouble code CEM-8C15 

  open circuit as described in Open-circuit, permanent faults .

  Check that relay 2/34 is installed correctly.

  Do the necessary corrective action.

  Additional information: 

  • To replace relay, see Central electronic module (CEM), replacing
  • To connect the test box, see Connecting the breakout box .
  Fig 2: Identifying Breakout Box

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Ohmmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Relays

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is there a fault? 

• YES 

  Refer to Verification 

• NO 

  Refer to Replacing Relay