01-64
      
Activate brake system vacuum pump
1)  
     
1) Only vehicles with automatic transmission  
     
- 
Press  button
    
Display on VAS5051:  
If the vacuum pump for brake booster does not start up in intervals:  
 Repair Manual, Brake System, Repair Group 47
    A - 12. Actuator in test
12 - Brake system vacuum pump
The vacuum pump for brake booster on right at firewall must start 
up in intervals for approx. 1 minute, unless the  button is 
pressed first to end On Board Diagnostic (OBD). 
-  Check vacuum pump for brake booster:
Pa
ge 15 of 16 Out
put Dia
gnostic Test Mode 
(DTM
) (function 03
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.3