buttons AUDI A8 1995 D2 / 1.G AHA Engine On Board Diagnostic User Guide

01-61
To change to another display group:

Display
group
VAG1551
VAG1552
higher Press -3-
button Press
button
lower Press -1-
button Press
button skip Press -C-
button Press -C-
button

- Press -0- button three times to input display
group number 0 (000), and press -Q- button to
confirm input. System in Basic Setting 1 2 3 4 5 6 7 8 9 10

Indicated on display
Notes:
In display group 0 the measuring values are displayed in decimal
form. The display can be printed out by pressing the PRINT button.
-
If specified values were attained in all display fields, press button to
advance through program sequence.
Rapid data transfer
HELP
Select function XX

Indicated on display
-
Press buttons -0- and -6- to select "End Output" function 06, and press
Pa
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gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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01-68

Engine Control Module (ECM), replacing


Notes:

Switch the ignition off and wait at least 10
seconds before disconnecting the Engine
Control Module (ECM) harness connector.
Disconnecting the battery or the Engine Control
Module (ECM) harness connector will erase all
learned values and the readiness code. After
reconnecting the battery and/or the ECM, the
engine may idle unevenly and there may be
some temporary loss of driveablity. If so, let the
engine run at idle for a few minutes until the
learning process has been completed page 01
-58
.

After installation of a new ECM, set ECM
coding and carry out adaptation of the throttle
valve control module -J338-.
If the ECM has been replaced, carry out the
following steps in the sequence listed.

- Connect VAG1551/VAG1552 Scan Tool (ST)
and press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (with ignition
switched on) page 01
-8 .
Indicated on display (ECM identification and coding)
Pa
ge 95 of 97 On Board Dia
gnostic
(OBD
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.01.1