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Initiate basic setting 71
1
2
3
4
Indicated on display (1-4 display fields)
If the diagnosis is initiated by the ECM, the display changes from "Test
OFF" to "Test ON" in display field 4. - Start engine and let run at idle.
- Let engine continue to run at idle until the specified value "Syst. OK" is
indicated in display field 4.
Display fields
1 2 3 4
Display group 71: Fuel tank leak detection
Display Reed op.
Reed cl. Small leak/large leak
determination Syst.Test
Measurement
Measurement end Test OFF/Test ON
Syst. OK
Syst. n.OK
Indicated Status: Reed contact Error message System status Diagnostic status
Diagnostic result
Range --- --- --- ---
Specified value Reed op. --- Measurement end Syst. OK
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Note:
If display field 4 changes from "Test ON" to "Test
OFF" and "Abort" appears in display field 2,
repeat the diagnosis of fuel tank leak detection.
Repeating the diagnosis can take up to approx.
60 seconds until the display changes from "Test
OFF" to "Test ON"in display field 4.
Diagnosis conditions for fuel tank leak detection:
Intake Air Temperature (IAT) must be less than
90 C (194 F) Display group 4, display field
4
Engine Coolant Temperature (ECT) must be
less than 95 C (203 F) Display group 4,
display field 3
Throttle valve angle must be smaller than 10
Display group 3, display field 3
If "SYST. n. OK" is indicated in display field 4:
- Check DTC memory Page 01
-15
.
If the specified value "SYST. OK" is indicated in
display field 4:
-
Press button to advance program
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p://127.0.0.1:8080/audi/servlet/Dis
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e=re
pair&id=AUDI.B5.FU02.01.2