buttons AUDI A8 1998 D2 / 1.G AEB Engine OBD and DTC

01-8

Connecting

Notes:
Scan tool operating instructions - Locate Data Link Connector (DLC), under driver's knee bar to left side
of steering wheel.
- Connect VAG 1551 Scan Tool (ST) with VAG 1551/3 adapter cable to
DLC.
- Switch ignition on, or start engine, depending on function to be
selected.
If scan tool displays do not appear as indicated:If "Error in communication link" is displayed, disconnect adapter cable
at scan tool, reconnect, and repeat procedure.
- Operate scan tool and advance through program sequence by
following display:
- Press button -1- to select "Rapid data transfer" operating mode 01.
- Press buttons -0- and -1- to insert "Engine Electronics" address word
01, and press -Q- button to confirm input.
Pa
ge 14 of 57 On Board Dia
gnostic
(OBD
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.01.1

01-11

Code Control Module (function 07)

If vehicle coding information is not as specified,
or if the ECM has been replaced, the ECM must
be coded as follows.

Required special tools and test equipment

VAG 1551/ VAG 1552 Scan Tool (ST) with VAG
1551/3 adapter cable

Coding procedure

- Connect VAG 1551/ VAG 1552 Scan Tool (ST)
and press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (ignition switched
on) Page 01
-7 .
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -7- to select "Code Control Module function 07,
and press -Q- button to confirm input.
Code Control Module
HELP
Input code number XXXXX
(0-32000
)

Indicated on display
______________________________________________ - Input applicable code number for vehicle, and press -Q- button to
confirm input. ECM coding variations Page 01
-13
.
Function is unknown or

If indicated on display:
Pa
ge 17 of 57 On Board Dia
gnostic
(OBD
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.01.1

01-12

8D0907557 1,8L R4/5VT MOTR HS D02 Coding 06051
WSC 00000

Indicated on display (ECM identification and coding, e.g. 06051)
-
Press button to advance program sequence.
Rapid data transfer
HELP
Select function XX

Indicated on display
Note:
The Motronic ECM -J220- only uses the code that has been entered after
the ignition has been switched off once. Incorrect coding leads to: - Press buttons -0- and -6- to select "End Output" function 06, and press
-Q- button to confirm input.
Performance problems (e.g. jerky shifting, abrupt load changes, etc.Increased fuel consumptionElevated exhaust gas valuesFalse malfunctions stored in DTC memoryReduction in transmission service life
Pa
ge 19 of 57 On Board Dia
gnostic
(OBD
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.01.1

01-15

Check Diagnostic Trouble Code (DTC)
Memory (function 02)


Required special tools and test equipment

VAG 1551/ VAG 1552 Scan Tool (ST) with VAG
1551/3 adapter cable

Checking

- Connect VAG 1551/ VAG 1552 Scan Tool (ST)
and press buttons -0- and -1- to insert "Engine
Electronics" address word 01 (engine running at
idle) Page 01
-7 .

Note:
If engine does not start:
- Operate starter to crank engine for approx. 6
seconds, then do not switch ignition off.

- Press PRINT-button to switch scan tool printer
on (indicator light in button lights up). Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -2- to select "Check DTC Memory" function 02,
and press -Q- button to confirm input.
Pa
ge 22 of 57 On Board Dia
gnostic
(OBD
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.01.1

01-16

X DTC reco
gnized

Indicated on display (number of stored malfunctions, or "No DTC
recognized."
Note:
If scan tool displays do not appear as indicated:
Scan tool operating instructions
If one or more malfunctions are stored:
Stored malfunctions are displayed one after another, and are printed out
along with applicable DTCs.
Rapid data transfer
HELP
Select function XX

Indicated on display (after all stored malfunctions)
If no DTCs are recognized:
-
Press button to advance program sequence.- Press buttons -0- and -6- to select "End Output" function 06, and press
-Q- button to confirm input.
- Repair malfunctions according to Diagnostic Trouble Code (DTC) table
Page 01
-17
.
- Erase DTC memory Page 01
-40
.
Pa
ge 23 of 57 On Board Dia
gnostic
(OBD
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.01.1