volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Self-diagnosis of airbag system > < Self-diagnosis|Tools
Body self-diagnosis
Self-diagnosis
Connecting fault reader

All functions which could previously be performed with V.A.G 1551/1552 can also be performed with the new tester VAS 5051 in the operating mode vehicle self-diagnosis.

Check prerequisites:

  • ◆ All fuses according to current flow diagram OK.
 
N01-0107
  • ◆ Battery voltage at least 9 V.
  • ‒ → Pull cover -1- off in direction of arrow.
  • ‒ Connect fault reader V.A.G 1551 with cable V.A.G 1551/3.
 
→ Indicated on display:
    
V.A.G 1551     -GB/7.0-     1.01.1997
  • ◆ Display will show the actual software version installed (will be shown briefly in display)

Notes:

  • ◆ If the display remains blank, check V.A.G 1551 voltage supply according to current flow diagram.

=> Current flow diagrams, Electrical fault finding and Fitting locations binder

  • ◆ Additional operating information can be printed out depending on the programme by pressing the HELP key of V.A.G 1551.
  • ◆ The ⇒key is used for advancing the programme sequence.
  • ◆ The PRINT key is used for switching on the printer (warning lamp in key lights up).

and then the following appears in the display:

 
→ Indicated on display:
Rapid data transfer     HELP
Enter address word XX

Note:

With the address word 00 the automatic test sequence is carried out, i.e. the fault memories of all systems in the vehicle capable of self-diagnosis are interrogated via the rapid data transfer.

Self-diagnosis of airbag system > < Self-diagnosis|Tools