Checking components

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on.
  NOTE:

  It is important that only the ignition is on in order for the heater to start.

• Activate the heater.

  A buzzing sound must be heard from the heater

  Check whether the fuel pump is operating. The pump should make a ticking sound.

  If the pump does not operate replace the fuel pump according to Fuel pump auxiliary heater, replacing .

  Other information: 

  • For a description of parameters, see Description of parameters 
  • For a description of activations, see Activating components/functions .
  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Did the heater operate? 

• YES 

  Refer to Checking the nozzle pipe 

• NO 

  Refer to Verification