Checking Components

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• 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 CORPORATION

Did the heater operate? 

• YES 

  Refer to CHECKING THE NOZZLE PIPE 

• NO 

  Refer to VERIFICATION