buttons AUDI A8 1998 D2 / 1.G ATQ Engine Check DTC Memory And Erase DTC Memory Workshop Manual

01-15


Check DTC Memory (function
02) and Erase DTC Memory
(function 05)

- Connect VAS5051 tester or VAG1551 scan tool
and select the control module for engine
electronics using "address word" 01 Page 01
-
9 .

Engine must run at idle for this.

Note:
If engine doesn't start, crank engine using starter
for at least 5 seconds. Do not switch ignition off
afterward under any circumstance. Rapid data transfer
HELP
Select function XX

When indicated on display:
- Press buttons -0- and -2- to select "Check DTC memory" and press -Q-
button to confirm input.
No DTC reco
gnized

When indicated on display:
or -
Press button.
X DTC reco
gnized

When indicated on display:
Pa
ge 1 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2

01-16

- Find printed DTCs in DTC table and repair
Page 01
-18
.

Important note:

If there are no DTCs in DTC memory, DTC
memory should not be unnecessarily erased or
else readiness code will be lost.
If DTC memory was erased, readiness code
must be re-generated Page 01
-82
.

-
Press button.Rapid data transfer
HELP
Select function XX

When indicated on display:
Note: - Press buttons -0- and -5- to select "Erase DTC memory" and press -Q-
button to confirm input.
Attention!DTC Memor
y was not interro
gated

When indicated on display:
Procedure was not followed exactly.
- Check DTC memory.
DTC memory will not be erased under the following conditions:
Ignition switched off after DTC memory was checked.
Pa
ge 3 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2

01-17

Rapid data transfer DTC Memor
y is erased

When indicated on display:
Note:
This causes DTCs to be erased that were stored during repair of
malfunction, e.g. because harness connectors were disconnected.
End Output -
Press button.- Check DTC memory again after repair work and erase it if necessary.
- If DTC memory was erased, readiness code must be re-generated
Page 01
-82
.
Rapid data transfer
HELP
Select function XX

When indicated on display:
- Press buttons -0- and -6- to select "End output" and press -Q- button to
confirm input.
Rapid data transfer
HELP
Insert address word XX

When indicated on display:
- Switch off ignition and disconnect diagnostic cable.
Pa
ge 5 of 52 Check DTC Memor
y (function 02
) and Erase DTC Memor
y (function 05
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.2