01-9
      
Vehicle diagnostic, testing and 
information system VAS5051 or 
VAG1551, connecting and selecting 
functions
 
     
Requirements  
     
Fuses for engine electronics OK 
     Fuel pump relay OK 
     Battery voltage at least 11 V 
     Ground (GND) connection for engine and 
transmission OK 
     
-  Switch ignition off.
    
Note:  
The Data Link Connector (DLC) is located below the dash, to the left of 
the steering column.  -  Connect vehicle diagnostic, testing and information system VAS5051 
with VAS5051/1 diagnostic cable. As an alternative, connect VAG1551 
scan tool with VAG1551/3B diagnostic cable. 
Pa
ge 11 of 166 Motronic s
ystem, On Board Dia
gnostic 
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1