skoda Workshop Repair Guides

Skoda Fabia Workshop Service and Repair Manuals

Adapting the 4AV control unit to the throttle valve control unit J338 > < Replacing engine control unit
Coding engine control unit
Coding engine control unit
If the code displayed does not match the vehicle, or if the control unit has been replaced, it is then necessary to code the control unit as follows.
Special tools and workshop equipment required
t  Vehicle system tester -V.A.G 1552- with cable -V.A.G 1551/3, 3A, 3B, 3C-
Procedure
–  Connect vehicle diagnosis system, measurement and information system -V.A.G 1552-. Switch ignition on and select address word 01 “Engine electronics” → Chapter.
–  Select function 07 “coding control unit”.
   
Readout on display:
–  Enter code number by referring to table of codes and confirm entry with Q key.
 
Coding control unit
Enter code number   xxxxx (0 -32767)               
Table of codes:
Code numberCombination 
00001Manual gearbox 
00011Gearbox + ABS
00021Gearbox + airbag
00031Gearbox + ABS + airbag
00041Gearbox + air conditioning
00051Gearbox + air conditioning + ABS
00061Gearbox + air conditioning + airbag
00071Gearbox + air conditioning + ABS + airbag

   
The vehicle system tester -V.A.G 1552- displays the control unit identifications, e. g.:
–  Press key.
–  Select function 06 “End output” and confirm entry with Q.
–  Switch off ignition.
  Note
t  The engine control unit stores the entered and displayed coding only after the ignition has been switched off for at least 25 seconds. Incorrect coding results in:
t  poor driveability (jerking when changing gears, load alteration shock etc.)
t  Increase in fuel consumption
t  Increase in pollution
t  Storage of non-existent faults in fault memory
t  Functions not being performed (lambda control, actuation of the active charcoal filter system, etc.)
t  Reduction of the gearbox life
 
03D906032A 1.2l/2V SIMOS 3 G00HS 3553 ->
Coding  00031                   WSC XXXXX

Adapting the 4AV control unit to the throttle valve control unit J338 > < Replacing engine control unit