skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

ABOUT US
Interrogating and erasing fault memory > < Technical data of self-diagnosis

Fabia Mk1

Connecting vehicle system testerV.A.G 1552 and selecting the control unit for engine electronics
Connecting vehicle system tester -V.A.G 1552- and selecting the control unit for engine electronics
Special tools and workshop equipment required
t  Vehicle system tester -V.A.G 1552- with cable -V.A.G 1551/3, 3A, 3B oder 3C-
Test conditions
l  Battery voltage at least 11.5 volts
l  Earth connection to engine and gearbox O.K.
l  Fuses must be OK in compliance with the current flow diagram.
Procedure
The diagnostic connection is located on the left next to the storage compartment on the driver's side.
–  Unclip cover and remove downward.
   
–  Connect vehicle system tester -V.A.G 1552- with diagnostic cable -V.A.G 1551/3-.
Once the vehicle system tester has been connected:
–  Ignition must be switched on or engine must be started depending on the function desired → Chapter.
  Note
t  If “data transfer errors” are displayed as a result of an incorrect entry, disconnect cable at vehicle system tester, connect it in again and repeat all the steps.
  S01-0087
t  If one of the following messages appears in the display, carry out fault finding as specified in the fault finding program diagnostic cable. → Current flow diagrams and Fitting locations or → Operating instructions of the vehicle system tester.
  
Vehicle system test                 HELP
The control unit does not respond
  
Vehicle system test                 HELP
Fault in communication set-up
  
Vehicle system test                 HELP
K cable does not connect to earth
–  Operate the vehicle system tester by referring to the read-out on the display:
  
Vehicle system test                 HELP
K cable does not connect to pos. term.
Readout on display:
–  Enter 01 for the “address word” 01and confirm with Q.
  
Vehicle system test                 HELP
Enter address word XX
The vehicle system tester -V.A.G 1552- displays the control unit identifications, e. g.:
t  038906019AF = Part No. of the control unit (for current control unit version see spare parts catalogue)
t  1.9 ltr. = engine displacement
t  R4 = engine version (4 cyl. in-line engine)
t  EDC = Injection system (Electronic Diesel Control)
t  CC = Cruise control system activated (only on vehicles with cruise control system)
t  000 = Control unit ID
t  GB = gearbox; AG = automatic gearbox → Note
t  1056 = Data status (Software version of the control unit)
t  Coding 00002 = Coding variant of the control unit
t  WSC XXXXX = Workshop code
1)  Not available at present
–  Press →.
  
038906019AF 1.9l R4  EDC G000SG  1056 ->
Coding 00002                   WSC XXXXX
Readout on display:
–  Further procedure, see repair sequences.
  
Vehicle system test                 HELP
The control unit does not respond
Vehicle system test                 HELP
Select function XX

Interrogating and erasing fault memory > < Technical data of self-diagnosis