radiator AUDI A6 2000 C5 / 2.G ATW Engine Motronic Fuel Injection Syst
Page 30 of 81
24-28
      
Idle speed (RPM), checking
 
     
Special tools and equipment  
    
or  
Test requirements: 
VAS5051 with VAG5051/1VAG1551 with VAG1551/3AExhaust system free of leaks. Coolant Temperature at least 80  C. Electrical consumers switched off (radiator fan must NOT run during 
test). A/C switched off. No pressure gauge connected. Vehicles with automatic transmission Selector lever in P or N. 
Pa
ge 30 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1 
Page 31 of 81
24-29
      
Note:  
     
Idle speed cannot be adjusted.
     Idle speed is checked during basic setting of 
the engine. 
     During basic setting, the Evaporative Emission 
(EVAP) canister purge regulator valve (EVAP 
valve -N80-) is closed and the A/C compressor 
is switched off 
     
Test sequence  
     
-  Check DTC memory   Page 01
-16
. There must 
not be any DTCs stored, repair malfunctions if 
necessary, erase DTC memory, switch engine 
off and start again, road test vehicle and check 
DTC memory again as a control measure. 
     
-  Let engine continue to run at idle.
     
WARNING! 
     
The electric fan for the radiator must not be 
running. Rapid data transfer 
HELP
Select function XX
    
When indicated on display  
- 
Press buttons -0- and -4- to select "Initiate basic setting" and press -Q- 
Pa
ge 31 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1 
Page 70 of 81
24-61
       Component location   Overview of component 
locations  Page 24
-5   
     
Test requirements: 
     
Coolant Temperature at least 80 C. 
     
Electrical consumers switched off (radiator 
fan must NOT run during test). 
     A/C switched off. 
     
Checking function  
     
-  Connect VAS5051 tester or VAG1551 scan tool 
and select control module for engine electronics 
using "address word" 01   Page 01
-10
 . Engine 
must run at idle. 
Rapid data transfer 
HELP
Select function XX
    
When indicated on display  
-  Press buttons -0- and -4- to select "Initiate basic setting" and press -Q- 
button to confirm input. 
Basic Setting 
Q
Enter displa
y group number XXX
    
When indicated on display  
-  Press buttons -0-, -0- and -2- to select "display group number 002" and 
press -Q- button to confirm input. When indicated on display  
Pa
ge 70 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1