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Coding central locking control unit using fault reader V.A.G 1551 > < Overview of the selectable functions

Golf Mk4

Body self-diagnosis
Self-diagnosis for central locking
Interrogating control unit version
  • ‒ Connecting fault reader .
  • ‒ Switch on ignition.
  • ‒ Press key -1- for "Rapid data transfer" mode.
  • ‒ Switch on printer with Print button (warning lamp in button lights up).
  • ‒ Press keys -0- and -1-.
 
→ Indicated on display:
Rapid data transfer     Q
01-Interrogate control unit version
  • ‒ Confirm entry with the Q key.
 
→ The control unit identification will be shown on the fault reader V.A.G 1551 display, e.g.:
1C0962258     XX     Cent. Lock.      0001 ⇒
Coding XXXXX     WSC XXXXX

Breakdown of the display:

  • ◆ Top line     Part No. of control unit                    System designation                    (XX2) central locking                     0001)
  • ◆ Lower line     Code number                    Dealership number1)

1)- Will be automatically stored in the control unit when entering the system.

     2)     A number or number/letter combination (03 or 6Q, or others) indicate a correct programming of the control unit.

  • ‒ Press ⇒key.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX

Notes:
     
    → If one of the fault messages opposite appears in the display, the possible causes of the fault can be printed out with the HELP key.
    Rapid data transfer     HELP
    Control unit does not answer!
     
    → Ignition must be switched on.
    Rapid data transfer     HELP
    K wire not switching to positive!
       
      → Faults have occurred at the start of or during the programme (external interference?).
      Rapid data transfer     ⇒
      No signal from control unit!
         
        → Check diagnosis wires as well as voltage supply and earth connection.
        Rapid data transfer     ⇒
        Fault in communication build up    
        • ‒ Press keys -0- and -6- to end the output.
         
        → Indicated on display:
        Rapid data transfer     Q
        06 End output
        • ‒ Confirm entry with the Q key.
         
        → Indicated on display:
        Rapid data transfer     HELP
        Enter address word XX
        • ‒ Switch off ignition.
        • ‒ Disconnect connector to fault reader V.A.G 1551.

        Coding central locking control unit using fault reader V.A.G 1551 > < Overview of the selectable functions