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Injection system > < Engine control unit with antitheft protection: removing and fitting

Leon Mk1

Reading out and erasing the engine control unit event memory
Reading out and erasing the engine control unit event memory
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-, see equivalent → Anchor
  W00-10343
–  Connect the central diagnosis -VAS 5051B- or central diagnosis -VAS 5052- to the diagnostics connector in the driver's side footwell.
–  Start engine and run at idling speed.
Only when engine does not start:
–  Switch on the ignition.
Select 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 the pushbutton „02 - Consult event memory“ on the screen.
–  If no fault is stored in engine control unit „0 fault(s) detected“ is displayed.
–  If faults are stored in the engine control unit, they will be displayed as a list.
–  Press the ← button.
–  Press the pushbutton „05 - Erase event memory“ on the screen.
–  Press „06 - End output“ function.
  Note
After deleting the event memory, the readiness code must be generated: → Vehicle diagnostic tester„Guided Functions“.
  A87-0314

Injection system > < Engine control unit with antitheft protection: removing and fitting