AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owner's Guide
Manufacturer: AUDI, Model Year: 1995, Model line: TT, Model: AUDI TT 1995 8N / 1.GPages: 35, PDF Size: 0.11 MB
Page 31 of 35
![AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-92
Work step 11: Diagnostic of tank ventilation
valve
Test requirement:
Engine running at idle:
Basic Settin
g
Q
Enter display group number XXX
When indicated on displ AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-92
Work step 11: Diagnostic of tank ventilation
valve
Test requirement:
Engine running at idle:
Basic Settin
g
Q
Enter display group number XXX
When indicated on displ](/img/6/1083/w960_1083-30.png)
01-92
Work step 11: Diagnostic of tank ventilation
valve
Test requirement:
Engine running at idle:
Basic Settin
g
Q
Enter display group number XXX
When indicated on display
- Press buttons -0-, -7- and -0- to select "display group number 070" and
press -Q- button to confirm input.
System in basic setting 70
1
2
3
4
When indicated on display
Note:
If test is not initiated or if indication switches from "Test ON" to "Test
OFF", depress accelerator pedal briefly, test will be repeated. - Check specified value in display field 4:
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Page 32 of 35
![AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-93
Display fields
1 2 3 4
Display group 070: Diagnostic of tank ventilation valve
Display xx % xx %
---
Indicated Degree tank
ventilation valve is
opened Oxygen
AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-93
Display fields
1 2 3 4
Display group 070: Diagnostic of tank ventilation valve
Display xx % xx %
---
Indicated Degree tank
ventilation valve is
opened Oxygen](/img/6/1083/w960_1083-31.png)
01-93
Display fields
1 2 3 4
Display group 070: Diagnostic of tank ventilation valve
Display xx % xx %
---
Indicated Degree tank
ventilation valve is
opened Oxygen
sensor control
Diagnostic
value
Diagnostic condition
Functional
range
Test OFF
Test ON
TVV OK
TVV not OK
Aborted
Specified
value 0 to 99 % -7.0 to 7.0 %
TVV OK
Note
If "TVV not OK" is displayed: Check DTC memory Page 01
-
16
. Check Evaporative Emission (EVAP) canister purge
regulator valve -N80- Page 24
-107
If specified value "TVV OK" is obtained:
- Press -C- button.
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Page 33 of 35
![AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-94
Work step 12: Diagnostic of tank seal
Test requirements:
Engine running at idle:
Fuel filler cap opened briefly (to reduce
pressure).
Basic Settin
g
Q
Enter displa AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-94
Work step 12: Diagnostic of tank seal
Test requirements:
Engine running at idle:
Fuel filler cap opened briefly (to reduce
pressure).
Basic Settin
g
Q
Enter displa](/img/6/1083/w960_1083-32.png)
01-94
Work step 12: Diagnostic of tank seal
Test requirements:
Engine running at idle:
Fuel filler cap opened briefly (to reduce
pressure).
Basic Settin
g
Q
Enter display group number XXX
When indicated on display
- Press buttons -0-, -7- and -1- to select "display group number 071" and
press -Q- button to confirm input.
System in basic setting 71
1
2
3
4
When indicated on display
Note:
Test lasts approx. 90 seconds.When the diagnostic of tank seal is performed several times in a row,
the fuel filler cap must be opened briefly before each test to release
pressure.
- Check specified value in display field 4:
Pa
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Page 34 of 35
![AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-95
Display fields
1 2 3 4
Display group 071: Diagnostic of tank seal
Display --- --- ---
---
Indicated Condition Reed-
Terminal DTC
message System condition
Diag AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide 01-95
Display fields
1 2 3 4
Display group 071: Diagnostic of tank seal
Display --- --- ---
---
Indicated Condition Reed-
Terminal DTC
message System condition
Diag](/img/6/1083/w960_1083-33.png)
01-95
Display fields
1 2 3 4
Display group 071: Diagnostic of tank seal
Display --- --- ---
---
Indicated Condition Reed-
Terminal DTC
message System condition
Diagnostic condition
Functional
range Reed open
Reed closed Small leak
Large leak System test
Measurement
END
Measurement Test OFF
Test ON
System OK
System not OK
Aborted
Specified
value Reed open --- END
Measurement System OK
Note
If "System not OK" is displayed: Check DTC
memory Page 01
-16
If specified value "Syst. OK" is obtained:
-
Press button.Rapid data transfer
HELP
Select function XX
Indicated on display (function selection)
Work step 13: Read readiness code
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Page 35 of 35
![AUDI TT 1995 8N / 1.G ATW Engine Readiness Code Owners Guide - Read readiness code Page 01
-69
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-69
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- Read readiness code Page 01
-69
.
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