Verification, Continued

Fig 1: Identifying Ignition ON

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Fig 2: Connecting Connector

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• Ignition off
• Reinstall the connectors, components etc.
• 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.

  HINT: After repair, the voltage of the flame sensor can be checked. The voltage should be a maximum of 1.0 V. 

  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

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Does the heater operate? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION