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Audi V8 Diagnostic Port: Type 44

 
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Steffen G
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Post30-06-2013, 14:31    Subject: Audi V8 Diagnostic Port: Type 44 Quote

Hello!

I need to connect my diagnostic tool there, but I can't find the power outlet.
Or, I'm not even sure where to look for the diagnostic ports.
My workshop software doesn't turn up anything for these types of vehicles either.

Okay, data:
Model 44, 3.6 Quattro, manufactured in 1992.
Warning, right-hand drive vehicles.

Who knows, or has any ideas?
Grüße, Steffen!

Golf 4 TDI,
T4 Doka-Pritsche, paar Oldtimer


Translated on 27-10-2026, 17:36.
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Post30-06-2013, 15:12    Subject: Audi V8 Diagnostic Port: Type 44 Quote

Hi.
Is it still located in the fuse box?
Best regards.


Translated on 27-10-2026, 17:37.
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Rüdi
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Post30-06-2013, 15:54    Subject: Audi V8 Diagnostic Port: Type 44 Quote

"Like in the fuse box of the base V8 model in the Audi 100."
Sommer: A4 B5 Avant 2,5 TDI Quattro Facelift (AKN silber)

Wartet auf H Kennzeichen: A4 B5 Avant 1.9 TDI Quattro (AFN Schwarz)

Winter: A4 B5 Avant TDI Quattro (AFN rot)

Alltags Spardose: Audi A2 1.4 TDI (AMF Silber)


Translated on 27-10-2026, 17:37.
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Post30-06-2013, 20:36    Subject: Audi V8 Diagnostic Port: Type 44 Quote

If I'm not mistaken, the Type 44 only has diagnostic codes, and not yet OBD.

EDIT: According to Autodata, it should actually have a diagnostic connector, 2x2, either in the engine compartment or on the "driver's side" (which is likely the passenger side in this case) under the steering wheel.
Kaum macht man es richtig, funktioniert es!


Translated on 27-10-2026, 17:38.
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Steffen G
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Post05-07-2013, 21:23    Subject: Audi V8 Diagnostic Port: Type 44 Quote

Hello!

The diagnostic outlet has now been found.
specifically, in the area where the passenger places their right foot in cars with right-hand drive.
It looks somewhat homemade, possibly made from plywood, but it seems to be original.
Please provide the German text you would like me to translate into English. I need the text to be able to translate it.

So far, so good, but I wasn't able to retrieve any data.
I have the 2+2 adapter, but the black plug only fits into the left socket, while the white plug fits into all the other 3 sockets.
When plugged into the correct adapter, the LED inside lights up yellow.
However, no control unit is responding.

I know that the 2+2 connector and this whole thing basically works because I was able to read out all the data with it on an old T4 before.

Perhaps someone has some advice for me, maybe I've made a mistake with the settings or something, or I'm just using it incorrectly.
The goal is to read the ABS (Anti-lock Braking System) data, but there are problems with that.



Diag.JPG
 Description:
 Diagnose-Anschluss im Fußraum des Beifahrers beim Rechtslenker Audi V8, 1992
 File size:  401.99 KB
 Viewed:  6236 times

Diag.JPG

Grüße, Steffen!

Golf 4 TDI,
T4 Doka-Pritsche, paar Oldtimer


Translated on 27-10-2026, 17:40.
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Herbert
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Post07-07-2013, 16:37    Subject: Audi V8 Diagnostic Port: Type 44 Quote

Based on the year of manufacture and the color of the connectors, it seems like the only way to determine the information is through blink codes.
see also https://community.dieselschrauber.org/en/viewtopic.php?t=26014&highlight=b3

Sure, here's the translation:

"Best regards," or "Sincerely,".
Herbert.
Horch A4 8K CJCD
Golf 7 DDYA
(+ Audi 80 Avant B4 1Z 475Tkm - habe ich vom ersten bis zum letzten Tag gerne gefahren)
(+ Passat Variant 32B CY 400Tkm)


Translated on 27-10-2026, 17:41.
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Steffen G
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Post22-07-2013, 22:00    Subject: Audi V8 Diagnostic Port: Type 44 Quote

Hi!

Not much new to report for now.
All attempts to extract the data have so far failed.

A promising method,
Someone who works in vehicle development, and has been doing so for over 20 years, and who even tested the V8 engines back then, brought me an adapter and software on a USB stick.
what might work.
However, this failed because no one uses PCs with that old interface anymore.
Too bad. This computer I'm currently using has the interface, but it's running Linux, and it's not working either.

Well, anyway, the Audi had a wheel speed sensor that was no longer working, so it was replaced, and tomorrow is the first test drive.
Let's see what happens...
Grüße, Steffen!

Golf 4 TDI,
T4 Doka-Pritsche, paar Oldtimer


Translated on 27-10-2026, 17:42.
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Post22-07-2013, 22:13    Subject: Audi V8 Diagnostic Port: Type 44 Quote

Quote:
My PC, which I'm currently sitting at, has the interface, but it runs on Linux, and it doesn't work either.


icon_wink.gif You can't have everything, or you can set it up on a VM, which is something that most people (not all) find overwhelming on Linux. icon_wink.gif Maybe Jan has a solution for you. }
LG, Onkel BM

*Nichts ist einfacher, als sich schwierig auszudrücken......*

**Technische Fragen bitte ins Forum und nicht in mein Postfach**


Translated on 27-10-2026, 17:44.
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Jan6K

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Post24-07-2013, 16:26    Subject: Audi V8 Diagnostic Port: Type 44 Quote

Hi,

Let's assume, for the sake of argument, that we're talking about a serial port...

A virtual machine could actually help here. I would at least start by trying that. With QEMU or VirtualBox, you can easily add a serial port to the VM. Since your software is probably very old, it shouldn't pose any performance issues.

"Qemu-kvm + Windows XP + VCDS Pro + HEXCAN + Core 2 Duo 1.8 GHz + Gentoo Linux works perfectly fine, and those are definitely higher requirements."

Is this actually a Windows or a DOS program? If it's the latter, then perhaps DOSBox running under Linux might be useful, but I'm not sure if it's possible to pass through serial ports with it.

Best regards,

Jan.
1Z5 CFHF / AHB H4D


Translated on 27-10-2026, 17:45.
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