Faulty Signal: Verification: Notes

HINT: After carrying out the repair, check that the fault has been remedied. 

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
• Read off the parameters.

  Check that the following basic conditions for adaptation of the throttle unit are met.

  1. Ignition on / engine off
  2. Battery voltage above 10 V
  3. Accelerator pedal (AP) unaffected
  4. The car must be stationary (no vehicle speed signal)
  5. Engine coolant temperature (ECT) between 5-100 °C
  6. Intake air temperature (IAT) above 5 °C.

  Remedy as necessary.

  Check that the adaptation is correctly run after the "Adaptation of the throttle unit running" parameter changes status from "YES" to "NO". When all basic conditions are met, the adaptation must be completed after approximately 40 seconds. When the adaptation is completed correctly, the following information will be displayed:

  • Adaptation of the throttle unit: OK
  • Adaptation of the throttle unit running: NO.
  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Throttle Unit & Potentiometer

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Select "Continue" without switching off the ignition when the adaptation is OK. 

• Continue 

  Refer to Verification, continued