1996 AUDI A4 display

01-96

DTC
VAG1551 scan tool
display Possible cause
Corrective action
01426
Control unit in steering
wheel -E221

No communication
Implausible signal
Open circuit in wiring - no connection between
interface and steering wheel
Unintelligible messages on CAN-bus (interface and
buttons in steering wheel are connected via a CAN-
bus) Electrical Wiring Diagrams,
Troubleshooting & Component
Locations - Locate malfunction using wiring
diagram
- Repair open circuit
- Check wires between interface and
steering wheel
65535
Control module
malfunctioning

Faulty
Control module for multi-function steering wheel -
J453- faulty - Replace control module for multi-
function steering wheel -J453-
Pa
ge 14 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3

01-97

Output Diagnostic Test Mode (DTM)
(scan tool function 03)


Notes:

Output Diagnostic Test Mode is only possible
when vehicle is stationary and engine is not
running!
If malfunctions are found during output
Diagnostic Test Mode, determine cause of
malfunction and repair if necessary.

In the function " output Diagnostic Test Mode
(DTM)" functions of the system are checked

Perform Output Diagnostic Test Mode

- Switch ignition on.

- Switch on radio.

- Press buttons -0- and -3-. This selects "output
Diagnostic Test Mode (DTM)", function 3.
Rapid data transfer
Q
03 - Output Dia
gnostic Test Mode

Indicated on display
- Press -Q- button to confirm input.
Pa
ge 15 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3

01-98

-
Press the button.Output Diagnostic Test Mode Radio louder

Indicated on display
The radio volume is increased audibly.
-
Press the button.
Output Diagnostic Test Mode Radio quieter

Indicated on display
The radio volume is decreased audibly.
-
Press the button.
Output Diagnostic Test Mode Search radio stations upward

Indicated on display
The next station will be searched and displayed in combination center
display.
-
Press the button.
Pa
ge 16 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3

01-99

Output Diagnostic Test Mode Search radio stations downward

Indicated on display
The previous station will be adjusted again and will be displayed in
combination center display.
-
Press the button.
Output Diagnostic Test Mode End

Indicated on display
-
Press the button.- The tester returns to the "Select function" mode.
Rapid data transfer
HELP
Select function XX

Indicated on display
Pa
ge 17 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3

01-100

Erase DTC Memory (scan tool function
05)


Note:
If DTC memory cannot be erased, check DTC
memory again and repair malfunction.

Requirements
DTC memory checked page 01
-93

All malfunctions repaired
After successful DTC memory check:
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -5-. This selects "Erase DTC memory", function
05.
Pa
ge 18 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3

01-101

Rapid data transfer
Q
05 Erase DTC Memory

Indicated on display
- Confirm input using the -Q- button.
Rapid data transfer DTC Memor
y is erased!

Indicated on display
DTC memory is erased.
-
Press the button.
Rapid data transfer
HELP
Select function XX

Indicated on display
Notes:
Attention! DTC Memor
y was not interro
gated

This message indicates an error in the test sequence.
Rapid data transfer DTC Memor
y was not interro
gated

Follow test sequence exactly: first check DTC memory, repair malfunction
(s) if necessary, then erase.
This message indicates an error in the test sequence.
Pa
ge 19 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3

01-102

End Output (scan tool function 06)


- Press buttons -0- and -6-. This selects "End
Output", function 06.
Rapid data transfer
Q
06 - End output

Indicated on display
- Confirm input using the -Q- button.
Rapid data transfer
HELP
Insert address word XX

Indicated on display
- Switch ignition off.
- Disconnect harness connectors for the VAG1551 scan tool
Pa
ge 20 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3

01-103

Read Measuring Value Block (scan tool
function 08)


Initiating "Read Measuring Value Block"
Rapid data transfer
HELP
Select function XX

Indicated on display
- Press buttons -0- and -8- to select "Read Measuring Value Block"
function 08.
Rapid data transfer
Q
08 - Read Measurin
g Value Block

Indicated on display
- Confirm input using the -Q- button.
Read Measurin
g Value Block
Input display group number XXX

Indicated on display
The selected measuring value block is now displayed in standard form. - Input display group number (from table page 01
-104
) and press -Q-
button to confirm input.
Pa
ge 21 of 25 Multi-function steerin
g wheel, On Board Dia
gnostic
(OBD
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.3