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Leon Mk1

Engine control unit fault memory: consulting and erasing
Engine control unit fault memory: consulting and erasing
Special tools and workshop equipment required
   
t  Central diagnosis -VAS 5051-
  W00-1236
t  3m. cable -VAS 5051/5A- or 5m. cable -VAS 5051/6A-
Work sequence
  W00-10194
–  Connect the central diagnosis -VAS 5051- with the 3m. cable -VAS 5051/5A- or 5m. cable -VAS 5051/6A-.
–  Start engine and run at idling speed.
Only when engine does not start:
–  Switch on ignition.
–  Briefly press the key “Vehicle self diagnosis”.
  E01-0139
Indication on - VAS 5051 -:
–  Select vehicle system “01 - Engine electronics” in menu -1- .
–  Wait until the following is displayed.
  A01-0120
Indication on - VAS 5051 -:
–  Select function “02 - Interrogate fault memory”.
–  If no fault is stored in engine control unit “0 fault(s) detected” is displayed.
–  If faults have been recorded in the engine control unit, this is displayed on the screen.
–  Press the ← key.
–  Select function “05 - Erase fault memory”.
–  Press function “06-End output”.
  A01-0122

Injection system: repairs > < Checking components