01-71
      
Step 6: Oxygen sensor aging (time period) 
     
-  Press -4- button to select "Basic Setting" 
function 04. 
     
-  Press -3- button four times to advance to display 
group number 34. System in Basic Setting 34  
1 
2 
3 
4
    
Indicated on display (1-4   display fields)  -  Hold engine speed at 1800-2200 RPM until display changes from "Test 
OFF" to "Test ON" in display field 4. 
-  Continue to hold at 1800-2200 RPM until specified value "B1-S1. OK" 
is indicated in display field 4. 
Pa
ge 14 of 22 Readiness code11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.01.2 
01-73
      
Step 7: Three Way Catalytic Converter (TWC) 
diagnosis Initiate basic setting 
HELP
Input display group number XXX
    
Indicated on display  
-  Press buttons -0-, -4- and -6- to input display group number 46, and 
press -Q- button to confirm input. 
System in Basic Setting 46  
1 
2 
3 
4
    
Indicated on display (1-4   display fields)  
Note:  
The test time for TWC diagnosis is approx. 60 seconds. -  Hold engine speed at 1800-2200 RPM until display changes from "Test 
OFF" to "Test ON" in display field 4. 
-  Continue to hold at 1800-2200 RPM until specified value "Cat B1 OK" 
is indicated in display field 4. 
Pa
ge 16 of 22 Readiness code11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.01.2