Testing RS6 C5 Ecu if working?

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nbdiy

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	Testing RS6 C5 Ecu if working? « on: August 20, 2014, 04:26:53 AM »

Hello, I have a ME7.1.1 4D1907558 Ecu for my Engine Swap, but I´m not sure if it´s working, which is the easiest Way to test it?
Can I test it on bench using Vag-com, like other Ecu´s (get no response in car)?
In wiring diagram it looks like the K-Line must be wired through the Instrument, but it this necessary?

Maybe anyone can tell it to me? I didn´t get an answer of the Ecu, got everything wired, is cranking, but no sparking, etc...
Want to make sure the Ecu is working before I continue searching for the problem.


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ddillenger

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	Re: Testing RS6 C5 Ecu if working? « Reply #1 on: August 20, 2014, 08:34:00 AM »

Yes, you can connect on the bench without a problem.


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nbdiy

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	Re: Testing RS6 C5 Ecu if working? « Reply #2 on: August 20, 2014, 12:09:17 PM »

Tried it and worked, after I bridged two relais and removed the Dash-Fuse the Engine were living for his first seconds. Im so happy yet, was a lot of work until now Cheesy

Will check tommorrow, if it´s the Immo (I thought I have they off already), or if he shuts down because I didn´t have all plugged yet.

Is there a easy way to remove fault-codes (transmission, fan controller,...)?


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sweegie

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	Re: Testing RS6 C5 Ecu if working? « Reply #3 on: August 21, 2014, 06:36:07 AM »

Are you doing a manual car with the RS6 engine and ECU? I believe there's a lot to change to get this working reliably and well. I'd give prj from here a shout as he has this working in a few cars.


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ddillenger

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	Re: Testing RS6 C5 Ecu if working? « Reply #4 on: August 21, 2014, 09:45:38 AM »

It is pretty shitty. I'm working on a 4.2 Allroad doing this, and it's made harder by the complete lack of a definition ANYWHERE. I'm just about done though. We are error free, the clutch switch works, and rev hang can be measured in milliseconds


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nbdiy

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	Re: Testing RS6 C5 Ecu if working? « Reply #5 on: August 21, 2014, 03:44:58 PM »

Yes I´ve got the Engine now in a S8 D2 with manual Transmission, with slightly larger Turbo´s, still got some work to do, but actually, everything fits and is on it´s place, and I´m really glad that it started promptly without creepy noises, it was the first time this built was not frustrating

...

Its good to know that there a some people here with experience in this, actually I would say it eceed´s my skills to do this work on the ecu, but in past there was never a problem that couldn´t be solved with time, frustration and more time...
But now that I read that you got problems with the definitions, I don´t feel really alone anymore... I thought once that it couldn´t be that problem and started thoughtless, but now while I was looking for any information about this ecu in the last weeks I could have slapped myself for thinking this and I would have started this build in a complete other way, but now its to late and some ambition is there, too...

When I´m on the point that everything is ready I´ll take the time and look if I can solve it myself, but if not I would like take advantage of your help(only if its okay for you), it sure should not be for free then...

Sorry for my english...


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Acki

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	Re: Testing RS6 C5 Ecu if working? « Reply #6 on: August 31, 2014, 12:28:12 PM »

Can you show pictures of the swap?


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nbdiy

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	Re: Testing RS6 C5 Ecu if working? « Reply #7 on: September 01, 2014, 12:11:32 AM »

Yes, no problem, at the end of the week I´m there aggain, but a warning before: looks like a little chaos from time to time Cheesy


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turboat

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	Re: Testing RS6 C5 Ecu if working? « Reply #8 on: September 03, 2014, 02:38:18 PM »

Did the manual box bolt up to the rs6 engine or do you need an adaptor plate?


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nbdiy

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	Re: Testing RS6 C5 Ecu if working? « Reply #9 on: September 03, 2014, 10:53:53 PM »

No, that wouldn´t fit... The Manual Box don´t fits on the RS6-Engine and with Adaptor plate I wouldn´t have enough space to put the engine in the Car (it would cause problems with the propeller shaft and so on, too)...

I´ve taken the block of a normal Audi A8 (I bought 4 of it and took the one with the best condition) and put the parts of the RS6-Engine in/on it.
So I didn´t had to modifiy the chassis and I could undo it if it would be needed in future.


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turboat

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	Re: Testing RS6 C5 Ecu if working? « Reply #10 on: September 04, 2014, 02:51:09 AM »

That's quite a lot of work, good effort! Shame really, was hoping someone had come up with a bolt on manual conversion for an rs6.


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nbdiy

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	Re: Testing RS6 C5 Ecu if working? « Reply #11 on: September 04, 2014, 03:24:12 AM »

Building a plate isnt that complicated, I think... You take some steel and bore into it (easily said)... But I´ve read from a company who sales ready plates, but can´t remember which..

But you have to build a spacer for the flywheel too and must look for the starter (which could be more the problem, I think).

Do you want to build a rs6 to manual transmission, or do you want a rs6 engine in another car?


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turboat

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	Re: Testing RS6 C5 Ecu if working? « Reply #12 on: September 04, 2014, 04:03:48 AM »

I want to convert an RS6 to manual, the reliability of the RS6 box worries me a lot and I really hate driving autos.


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