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Supplementary signals: testing > < Engine control unit: replacing, encoding and adapting

Leon Mk1

Operation sequences
Operation sequences
–  Attach the -V.A.G. 1551- (-V.A.G. 1552-) and, via the corresponding “address code” 01, select the engine electronics control unit. When doing so, the ignition must be on. (Fault reader: connecting and selecting the engine electronics control unit → Vehicle diagnosis, testing and information system VAS 5051.)
–  Press →.
   
Reading on the display:
–  Press 0 and 7 for the function “Encode the control unit” and confirm the entry with the Q button.
  
Rapid data transmission             HELP
Select function XX
Reading on the display:
–  Enter the code corresponding to the vehicle and confirm the entry with the Q button.
  
Encode the control unit                Q
Enter code XXXXX (0-32000)
CodeVehicles with
00001Automatic gearbox
00002Manual gearbox
00003Cycle foreseen in event of collision and data bus CAN Manual gearbox and ABS
00005Without data bus CAN

   
The control unit encoding is shown on the display of fault reader -V.A.G. 1551-, for example:
–  Switch off the ignition and switch it on again.
  Note!
In switching the ignition off and on again, the encoding entered is activated. If the ignition is not switched off and on after entering the valid code, the fault “control unit, Incorrect encoding” cannot be cleared.
Adapt the engine control unit to the electronic immobiliser → Anchor.
–  Clear the fault memory → Vehicle diagnosis, testing and information system VAS 5051.
  
045906019M   1.4l R3 EDC 0000SG   1043 →
Encode          00002          WSC XXXXX

Supplementary signals: testing > < Engine control unit: replacing, encoding and adapting