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Exhaust system > < Installing
Reading and erasing engine control unit fault memory
Reading and erasing engine control unit fault memory
Special tools and workshop equipment required
   
t  Diagnostic operation center -VAS 5051/-
  W00-1236
–  Connect diagnostic operation center -VAS 5051/- as follows:
–  Push diagnosis lead connector onto diagnosis connector in driver footwell.
–  Start engine and run at idling speed.
Only when engine does not start:
–  Switch on ignition.
Select operating mode:
–  Press button on display for “Vehicle self-diagnosis”.
Select vehicle system:
–  Press button “01 - Engine electronics” on display.
  N01-0590
The control unit identification with code -2- as well as chassis number and immobilizer identification number will be indicated in the middle section of the display.
  Note
A print-out can be made if needed. Press the “Print” key.
Select diagnostic function:
–  Press button “02 - Interrogate fault memory” on display.
–  If no fault is stored in engine control unit “0 fault(s) detected” is displayed.
–  If faults are stored in the engine control unit, these are shown one below the other on the display.
–  Press the key.
–  Press button “05 - Erase fault memory” on display.
–  Press function “06 - End output”.
  Note
Regenerate readiness code after erasing fault memory → Vehicle diagnosis, testing and information system VAS 5051
  A87-0314

Exhaust system > < Installing