AUDI TT 2000 8N / 1.G ATW Engine Readiness Code Owner's Manual
Manufacturer: AUDI, Model Year: 2000, Model line: TT, Model: AUDI TT 2000 8N / 1.GPages: 35, PDF Size: 0.11 MB
Page 21 of 35
01-82
Work step 6: Diagnostic of oxygen sensor
aging before catalytic converter
Test requirement:
Engine continues to run at 2000 RPM.
Basic Settin
g
Q
Enter display group number XXX
When indicated on display
- Press buttons -0-, -3- and -4- to select "display group number 034" and
press -Q- button to confirm input.
System in basic setting 34
1
2
3
4
When indicated on display
Note:
A few minutes may pass until a diagnostic result is reached. - Check specified value in display field 4:
Pa
ge 21 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 22 of 35
01-83
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 s
---
Indicated Engine speed
(RPM) Exhaust
temperature Period duration Oxygen sensor
before Catalytic converter Diagnostic condition
Functional
range Test OFF
Test ON
B1-S2 OK
B1-S2 not OK
Specified
value 2000 RPM more than 350
C
0.0 to 1.0 s B1-S2 OK
Note
If "B1-S1 not OK" is displayed:
Check DTC memory Page 01
-16
.
If specified value "B1-S1 OK" is obtained:
- Press -C- button.
Pa
ge 22 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 23 of 35
01-84
Work step 7: Diagnostic of operational
readiness of oxygen sensor behind catalytic
converter
Test requirement:
Engine continues to run at 2000 RPM.
Basic Setting
Q
Enter displa
y group number XXX
When indicated on display
- Press buttons -0-, -3- and -6- to select "display group number 036" and
press -Q- button to confirm input.
System in basic setting 36
1
2
3
4
When indicated on display
- Check specified value in display field 2:
Pa
ge 23 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 24 of 35
01-85
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 V
B1-S2 OK
Note
If "B1-S2 not OK" is displayed: Check DTC memory
Page 01
-16
If specified value B1-S2 OK" is obtained:
- Press -C- button.
Pa
ge 24 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 25 of 35
01-86
Work step 8: Diagnostic of oxygen sensor
control system
Test requirement:
Engine continues to run at 2000 RPM.
Basic Settin
g
Q
Enter display group number XXX
When indicated on display
- Press buttons -0-, -3- and -7- to select "display group number 037" and
press -Q- button to confirm input.
System in basic setting 37
1
2
3
4
When indicated on display
- Check specified value in display field 4:
Pa
ge 25 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 26 of 35
01-87
Display fields
1 2 3 4
Display group 037: Diagnostic of oxygen sensor control system (Bank 1)
Display xxx % x.xxx volts xxx ms
---
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 12 to
30 % 0.100 to 0.950 V -150 to 150 ms System OK
Note
If "System not OK" is displayed:
Check DTC memory Page 01
-
16
If specified value "Syst. OK" is obtained:
- Press -C- button.
Pa
ge 26 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 27 of 35
01-88
Work step 9: Diagnostic of catalytic converter
Test requirement:
Engine continues to run at 2000 RPM.
Basic Settin
g
Q
Enter displa
y group number XXX
When indicated on display
- Press buttons -0-, -4- and -6- to select "display group number 046" and
press -Q- button to confirm input.
System in basic setting 46
1
2
3
4
When indicated on display
Note:
Catalytic converter diagnostic lasts approx. 60 seconds. - Check specified values in display fields 2 and 4:
Pa
ge 27 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 28 of 35
01-89
Display fields
1 2 3 4
Display group 046: Diagnostic of catalytic converter (bank 1)
Display xxxx/min
xxx C
x.x
---
Indicated Engine speed
(RPM) Exhaust
temperature Measurement
Catalytic converter -
conversion Diagnostic condition
Functional
range Test OFF
Test ON
Cat B1 OK
Cat B1 not OK
Specified
value 2000 RPM more than
430 C
0.0 to 0.2 Cat B1 OK
Note
If "Cat B1 not OK" is displayed: Check DTC
memory Page 01
-16
. If no DTCs are stored,
replace catalytic converter.
If specified value "Cat B1 OK" is obtained:
- Press -C- button.
Pa
ge 28 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 29 of 35
01-90
Work step 10: Diagnostic of Secondary Air
Injection (AIR) system
- Remove VAG1788/10 RPM adjuster and leave
engine running at idle.
Test requirement:
Engine running at idle:
Note:
During diagnostic of the Secondary Air Injection
(AIR) system, the Secondary Air Injection (AIR)
pump will run for several seconds.
Basic Settin
g
Q
Enter displa
y group number XXX
When indicated on display
- Press buttons -0-, -7- and -7- to select "display group number 077" and
press -Q- button to confirm input.
System in basic setting 77
1
2
3
4
When indicated on display
- Check specified value in display field 4:
Pa
ge 29 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8
Page 30 of 35
01-91
Display fields
1 2 3 4
Display group 077: Secondary Air Injection (AIR) system diagnostic (Bank 1)
Display xxxx/min xx.x g/s xx.x g/s
---
Indicated Engine speed
(RPM) Air
mass Air mass Secondary air
system Diagnostic condition
Functional
range
Test OFF
Test ON
System OK
System not OK
Aborted
Specified
value FWD: 740 to 860
RPM
AWD: 800 to 920
RPM 2 to 5
g/s 4 to 10 g/s System OK
Note
If "System not OK" is displayed: Check DTC
memory Page 01
-16
If specified value "Syst. OK" is obtained:
- Press -C- button.
Pa
ge 30 of 35 Readiness code11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.8