1997 AUDI A4 AFC Engine On Board Diagnostic Multiport Fuel Injection Workshop Manual

(OBD) capability, the engine control module is faulty Diagnostic
Trouble Code (DTC) table, page 01
-26
.
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01-11

Rapid data transfer
HELP
K wire not switching to Ground

If one of the following two problems is shown on the display
Rapid data transfer HELPK wire not switching to B+

Note:
Check data link connector/engine control module wiring connection:
Electrical Wiring Diagrams, Troubleshooting & Component Locations
_________________________________________________________ - A list of possible malfunction causes can be printed out by pressing the
HELP button. - After the malfunction cause is repaired, insert address word 01 again
and press -Q- button to confirm input.
8D0906266 2.8l V6/2V MFI OBD2
D01
Codin
g 01051
WSC 06388

The control module identification and the coding are shown on the
display:
Engine control module replacement part no. 8D0906266
For current engine control module version Parts catalog
Engine displacement: 2.8 liters Engine construction type: V-engine, 6-cylinderValves per cylinder: 2 valvesFuel injection system: Multiport Fuel Injection (MFI)Engine control module software version: OBD2, EPROM-status
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(MFI
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

of control module
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(MFI
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p://127.0.0.1:8080/audi/servlet/Dis
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e=re
pair&id=AUDI.B5.FU01.01.1

01-12

Engine control module hardware and software
version: D_ _ Control module program status
Engine control module coding: 01051
Diagnostic Trouble Code (DTC) table, page 01
-247
.

VAG plant number: WSC 06388 (where the
VAG 1551 scan tool was used for the last
coding and/or adaptation)

Notes:
If the engine control module version that
corresponds to the vehicle is not displayed,
replace engine control module page 01
-265
.
Incorrect engine control module coding leads to:

Driving performance problems (jerky shifting,
abrupt load change, etc.)
Increased fuel consumption
Elevated exhaust gas values
Reduction in transmission service life

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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1

Malfunctions not present are stored in DTC
memory
Functions are not carried out (oxygen sensor
control, actuation of EVAP canister system,
etc.)

-
Press button.
Rapid data transfer
HELP
Select function XX

Indicated on display
Note:
After pressing the HELP button, an overview of the possible functions is
printed out.
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pair&id=AUDI.B5.FU01.01.1

01-13

DTC memory, checking and erasing


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

Indicated on display
- Press buttons -0- and -2- to select the"Check DTC Memory" function
02.
Rapid data transfer
Q
02 - Check DTC Memor
y

Indicated on display
- Press -Q- button to confirm input.
X DTC reco
gnized

The number of stored Diagnostic Trouble Codes (DTC) or "No DTC
recognized" is shown on the display.
Notes:
No DTC reco
gnized

Note:
If there is a complaint that is not recognized by the On Board Diagnostic
If the printer is switched on, the stored malfunctions will be displayed
and printed out in sequence. If the printer is switched off, the button must be pressed to display
the next malfunction.
-
After the last malfunction is displayed, press the button.
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pair&id=AUDI.B5.FU01.01.1

(OBD), carry out additional troubleshooting according to the Malfunction
Table in the "Engine Troubleshooting" binder.
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
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pair&id=AUDI.B5.FU01.01.1

01-14

Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -5- to select the "Erase DTC Memory" function
05.
Rapid data transfer
Q
05 - Erase DTC Memor
y

Indicated on display
Note:
Every time DTC memory is erased (both with function 05 and with
address word 33, mode 4) the readiness code is erased.
______________________________________________ - Press -Q- button to confirm input.
Caution DTC Memory is not interrogated

If indicated on display
If the ignition was switched off between checking and erasing DTC
memory, then DTC memory is not erased.
______________________________________________ - Comply with work sequence exactly, i.e. first check DTC memory.
Pa
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(OBD
) - Multi
port Fuel In
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(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