Checking the function of the heater

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

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• 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 should be heard from the heater.

  Check the function of the heater. See Engine coolant heater, test running .

  Other information: 

  • For a description of parameters, see Description of parameters 
  • For a description of activations, see Activating components/functions .
  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does heater function? 

• YES 

  Refer to Intermittent fault 

• NO 

  Refer to Too many unsuccessful attempts