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Exhaust system > < Motronic engine control unit J220 with locking device: removing and fitting

Leon Mk2

Consult and delete the fault memory on the Motronic control unitJ220
Consult and delete the fault memory on the Motronic control unit -J220-
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
Special tools and workshop equipment required
   
t  Central diagnosis -VAS 5051B- or central diagnosis -VAS 5052-
Operation process
  W00-10343
–  Plug the connector of the diagnosis cable into the diagnosis socket in the footwell on the driver's side.
–  Start engine and run at idling speed.
Only when engine does not start:
–  switch ignition on.
Selecting the operating mode:
–  On the screen, push the “Vehicle self-diagnosis” button.
Selecting vehicle system:
–  Touch the screen on “01 - Engine electronics”.
  E90-10021
The identification of the control unit is displayed on the screen, together with its code -2-, the chassis number in the middle, and the electronic immobiliser identification number.
  Note
This information can be printed out. Now, press the “Print” button.
Select diagnostic function
–  Press button “02 - Interrogate fault memory” on display.
–  If no error is put down in the engine control equipment, error appears“0 recognized by the display”.
–  If faults are stored in the engine control unit, they will be displayed as a list.
–  Press the key ←
–  On the Display button “05 - press delete fault memory”
–  Press function “06-End output”.
  Note
After deleting the fault memory, the conformance code must be generated → Vehicle diagnosis, testing and information system VAS 5051“Guided function”.
  A87-0314

Exhaust system > < Motronic engine control unit J220 with locking device: removing and fitting