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Engine control unit with locking device: Removing and installing > < Adapting functions and components

Leon Mk2

Removing and installing engine control unit
Removing and installing engine control unit
  Note
Before removing the engine control unit, the control unit identification and the code must be consulted for the unit to be replaced → Chapter.
t  Removing → Anchor
t  Fitting → Anchor
Removing
–  Switch off ignition.
   
–  Pull off rubber seal -2- on plenum chamber cover.
  E92-10015
–  Unscrew bolts -1- on the intercooler.
  E92-10014
–  Remove parting wall for plenum chamber -arrows-.
  A10-1573
–  Unlock front connector -1- from engine control unit and pull it off.
–  Carefully prise off the retaining plate safety clip -2- and next remove the engine control unit, pushing in the direction of the -arrow-.
–  Unlock rear connector from engine control unit and pull it off.
  Note
When pulling off the engine control unit the programmed values are erased. The contents of the fault memory will remain intact.
Installing
Fit in reverse order from removal, remembering the following:
–  Connect the rear connector to the engine control unit and lock.
  N24-10056
–  Place the retaining plate safety catch -2- in its original position and next slide the engine control unit in the opposite direction to that shown by the -arrow- on the retaining plate, until it is correctly fitted.
–  Connect the front connector to the engine control unit and lock.
–  Check the old coding and adjust the new control unit → Chapter.
–  Fit the front panel of the plenum chamber → Bodywork - installation work; Rep. Gr.50.
–  Take vehicle for a test drive.
  N24-10056

Engine control unit with locking device: Removing and installing > < Adapting functions and components