21-11
 
    
Notes:  -  Switch on turbocharger tester and set measuring range selector switch 
to position -I- (absolute pressure). 
-  Connect measuring hose to connection -I-. 
Hose connections must be completely airtight, otherwise 
measurements will not be correct. Ensure that measuring hose is not pinched at hood or side window.Pressing memory key M on turbocharger tester will store the last 
measured value until memory key M is pressed again or tester is 
switched off. The decimal point in the display flashes to indicate that the value is 
being stored. If the battery voltage of the turbocharger tester drops below the 
minimum level, an arrow will appear at the top left of the display. Before performing the test, drive the vehicle at a brisk speed for at 
least 3 km (without stopping at traffic lights etc.). A second mechanic is required to note the readings on the tester 
when the vehicle is moving. Observe safety notes   Page 21
-9 .
Pa
ge 12 of 37 Char
ge air s
ystem with turbochar
ger
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.21.1