1996 AUDI A4 OBD port

01-248
Note:
The code number will be composed as shown in the following example:
- Audi A4 1
- Automatic 01V 5
- Front wheel drive without traction control: 0
- Vehicle with EGR: 0 1
- Code number: 0 1 0 5 1
Note:
Vehicles with traction control (ATC) can be recognized by the ATC indicator light in the instrument cluster and/or by ABS
control module identification using the ABS On Board Diagnostic (OBD) program.
Repair Manual, Brake System On Board Diagnostic (OBD), Repair Group 01.

Pa
ge 345 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-249

Read Measuring Value Block (scan tool
function 08)


Notes:

Display groups 000-045 and 099 are identical to
the display groups 000-045 and 099 described
with "Basic Setting" function 04.
After "Basic Setting" function 04 is called up,
the ECM initiates the operations described
below. These operations are not carried out
after calling up "Read Measuring Value Block"
function 08.
Operations after calling up "Basic Setting"
function 04:
Constant ignition timing point of 12 BTDC will
be output in idle

Digital idle speed control is blocked
Evaporative Emissions (EVAP) canister purge
regulator valve is closed
A/C compressor is shut off

Pa
ge 346 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

EGR valve is closed
No coolant temperature correction; fixed value
80 C (176 F)

Learning values are relearned (idle and CO
content are adjusted automatically)
Pa
ge 347 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-250

- Connect VAG 1551 scan tool and operate until
display shows "Select function XX" page 01
-
7 .
Rapid data transfer
HELP
Select function XX

Indicated on display
Note:
After the HELP button is pressed, an overview of possible functions is
printed out.
- Press buttons -0- and -8- to select "Read Measuring Value Block"
function 08.
Rapid data transfer
HELP
08 - Read Measuring Value Block

Indicated on display
- Press -Q- button to confirm input.
Read measurin
g value block
HELP
Input displa
y group number XXX

Indicated on display
Note:
After the HELP button is pressed, the procedure for input of the display
group number is printed out.
Note:
Display group number 001 is used as an example to show the input - Input desired display group number according to display group
overview "Basic Setting" function 04, page 01
-150
.
Pa
ge 348 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

sequence.
Pa
ge 349 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-251

- Push buttons -0-, -0- and -1- for display group
number 001. Read measurin
g value block
Q
Input displa
y group number 001

Indicated on display
- Press -Q- button to confirm input.
Read measuring value block
1
1 2 3 4

Display fields 1 through 4 are indicated on the display.
Notes:
To change to another display group, proceed as follows:
Display group
VAG 1551 scan tool
VAG 1552 scan tool
Higher Press -3- button
Press button Lower Press -1- button
Press button Skipped Press -C- button Press -C- button
The values in display fields 1 through 10 are shown in decimal form in
display group 000. The current 3-digit display group number is shown without the first
zero. In display groups 000 to 009, the number is shown without the
first two zeroes. When the printer is switched on, the current display is printed on the
paper strip. Every time the PRINT button is pressed, the current display is printed
out again.
Pa
ge 350 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-252

- If the specified values are obtained in all display
fields, press button. Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -6- to select "End Output" function 06.
Rapid data transfer
Q
06 - End Output

Indicated on display
- Press -Q- button to confirm input.
Rapid data transfer
HELP
Insert address word XX

Indicated on display
Pa
ge 351 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

01-253

Read Individual Measuring Values (scan
tool function 09)


Note:
The function "Read Individual Measuring Values"
can be selected with buttons -0- and -9-.
However, no display fields can be selected or
information displayed since for OBD II the ECM
does not currently carry out function 09.
Pa
ge 352 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1