Page 25 of 43
01-96
      
Work step 6: Diagnostic of oxygen sensor 
aging before catalytic converter 
     
Test requirement:  
     
Engine continues to run at 2600 RPM. 
    
Display on VAS5051:  
Note:  
A few minutes may pass until a diagnostic result is reached.  - 
Press   button 4 times to change into display group 034.-  Check specified value in display field -4-.
Pa
ge 25 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7 
         
        
        
     
        
        Page 26 of 43
01-97
 
  
Display fields  
  
1   2   3   4  
Display group 034: Oxygen sensor aging diagnostic, oxygen sensor before catalytic converter (bank 1)  
Display  xxxx/min  
xxx C  
x.x  
---  
Indicated  Engine speed 
(RPM)  Exhaust 
temperature  Dynamic 
factor  Diagnostic condition  
Functional 
range           Test OFF  
Test ON  
B1-S2 OK  
B1-S2 not OK  
Specified 
value  2600 RPM   larger than 350 
C  
0.5 to 2.5   B1-S2 OK  
Note  
  
  
  
If "B1-S1 not OK" is displayed: Check DTC 
memory  Page 01
-12
 .  
      If specified value "B1-S1 OK" is obtained:  
     
-  Perform next work step.
Pa
ge 26 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7 
         
        
        
     
        
        Page 27 of 43
01-98
      
Work step 7: Diagnostic of operational 
readiness of oxygen sensor behind catalytic 
converter 
     
Test requirement:  
     
Engine continues to run at 2600 RPM. 
    
Display on VAS5051:  
- 
Press   button 2 times to change into display group 036.-  Check specified value in display field -2-.
Pa
ge 27 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7 
         
        
        
     
        
        Page 28 of 43
01-99
 
  
Display fields  
  
1   2   3   4  
Display group 036: Operational readiness of oxygen sensor behind catalytic converter (bank 1)  
Display   x.xxx V  
---    
  
Indicated   Oxygen sensor voltage Bank 2, 
sensor 1  Diagnostic condition    
  
Functional 
range    
Test OFF  
Test ON  
B1-S2 OK  
B1-S2 not OK    
  
Specified value   0.100 to 0.950 volts  
B1-S2 OK    
  
Note  
  
If "B1-S2 not OK" is displayed: Check DTC memory   
Page 01
-12
   
  
  
      If specified value B1-S2 OK" is obtained:  
     
-  Perform next work step.
Pa
ge 28 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7 
         
        
        
     
        
        Page 29 of 43
01-100
      
Work step 8: Diagnostic of oxygen sensor 
control system 
     
Test requirement:  
     
Engine continues to run at 2600 RPM. 
    
Display on VAS5051:  
- 
Press   button to change into display group 037.-  Check specified value in display field -4-.
Pa
ge 29 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7 
         
        
        
     
        
        Page 30 of 43
01-101
 
  
Display fields  
  
1   2   3   4  
Display group 037: Diagnostic of oxygen sensor control system (Bank 1)  
Display   xxx %   x.xxx V   x.xx  
---  
Indicated  Load   Oxygen sensor 
voltage Bank 2, 
sensor 1  Oxygen sensor correction value 
between bank 1, sensor 1 and bank 1, 
sensor 2  Diagnostic condition  
Functional 
range          
Test OFF  
Test ON  
System OK  
System not OK  
Specified 
value  13 to 
40 %  0.100 to 0.950 volts   smaller than 0.02   System OK  
Note  
  
  
  
If "System not OK" is displayed: 
Check DTC memory   Page 01
-
12
   
      If specified value "Syst. OK" is obtained:  
     
-  Perform next work step.
Pa
ge 30 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7 
         
        
        
     
        
        Page 31 of 43
01-102
      
Work step 9: Diagnostic of oxygen sensor 
aging behind catalytic converter 
     
Test requirement:  
     
Engine continues to run at 2600 RPM. 
    
Display on VAS5051:  
- 
Click on   - button
    
Display on VAS5051:  
1 - Enter display group Max. input value = 255
-  Select function "043" in button field -2- for "display group number 043" 
and press Q button to confirm input. 
Pa
ge 31 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7 
         
        
        
     
        
        Page 32 of 43
01-103
 
    
Display on VAS5051:  
-  Check specified value in display field -4-.
Pa
ge 32 of 43 Readiness code11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.7