1996 AUDI A4 buttons

01-83

Step 7: Three Way Catalytic Converter (TWC)
diagnosis Basic Setting
HELP
Input display group number XXX

Indicated on display
- Press buttons -0-, -4- and -6- to input display group number 46 (046),
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 17 of 29 Readiness code11/23/2002 htt
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pair&id=AUDI.B5.FU03.01.2

01-86

Step 8: Evaporative Emissions (EVAP)
system and fuel tank leak detection

Note:
During this diagnosis there should be no engine
load, otherwise the diagnosis is interrupted and
can only be restarted after pressing the
accelerator pedal momentarily.

- Start engine and let run at idle.Basic Settin
g
HELP
Input displa
y group number XXX

Indicated on display
- Press buttons -0-, -7- and -0- to input display group number 70 (070),
and press -Q- button to confirm input.
System in Basic Setting 70
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.
Note:
If the display changes from "Test ON" to "Test OFF" during the diagnosis,
briefly accelerate the engine to reset and repeat the test. - Let engine continue to run at idle until the specified value "EVAP OK" is
indicated in display field 4.
Pa
ge 22 of 29 Readiness code11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.2

01-90

Step 9: Secondary Air Injection (AIR) system
diagnosis

- Start engine and let run at idle.Initiate basic setting
HELP
Input displa
y group number XXX

Indicated on display
- Press buttons -0-, -7- and -7- to input display group number 77 (077),
and press -Q- button to confirm input.
System in Basic Setting 77
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. - Let engine continue to run at idle until the specified value "Syst. OK" is
indicated in display field 4.
Pa
ge 27 of 29 Readiness code11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.2