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Senders and sensors > < Removing and installing throttle valve module

Leon Mk2

Cleaning throttle valve module
Cleaning throttle valve module
  Note
t  If a new engine control unit -J623- is installed the throttle valve module must be adjusted. Adaptation is only allowed to be made with a new or cleaned throttle valve module.
t  Contamination and coking in throttle valve end stop can result in incorrect adaptation values.
t  Take care not to scratch the throttle valve housing when cleaning it.
–  Remove throttle valve module → Chapter.
   
–  Open throttle valve by hand and lock in open position using a suitable object (e.g. wood or plastic wedge) -arrow-.
  WARNING
Acetone is highly inflammable. Observe accident prevention regulations and safety notes when handling highly inflammable fluids. Do not use compressed air when cleaning throttle valve. Wear eye protection and protective clothing to avoid eye injuries and skin contact.
  N24-10125
–  Thoroughly clean throttle valve connection, especially around closed throttle valve -arrows- using commercially available acetone to DIN 53247 and a brush.
–  Wipe out throttle valve housing with a lint-free cloth.
–  Allow acetone to vent completely and reinstall cleaned throttle valve module → Chapter.
–  Adapt engine control unit -J623- to throttle valve module → Vehicle diagnostic tester„Guided functions“.
  N24-10124

Senders and sensors > < Removing and installing throttle valve module