WRX: Per Gear Wastegate Compensation

User topics relating to software that reflashes or modifes ECU code and data

Moderator: Freon

Postby Spec C Wannabe » Thu Jun 15, 2006 12:17 am

By the way, What is Boost 70 70 70? Strange name it has. :D

However, I cant find it in my rom image using EcuEdit and XMLwrite generated XMLdefinition.
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Postby west_minist » Thu Jun 15, 2006 12:21 am

I believe with those setting, you sould be able, but it requires time.

The people I am working with do not have much time for a lot of test.

Take a stock map and change those values slowly and see why logging and dyno info states. Even some GtechPro runs w/ g's could help. Once the weather is consistent, then you can see some stuff

Are you looking for more torque down below?
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Postby swifty » Thu Jun 15, 2006 5:38 am

I'd be interested to know what the Boost 70 70 70 map is.
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Postby JRSCCivic98 » Thu Jun 15, 2006 6:20 pm

Well, just for sh*ts and giggles I took the xml values from the euro xml file and put them both in a USDM 02 and 04 xml file. Neither map listed similar values or even values that seemed logical. So, either it's not available on the US roms or the most obvious... the offsets are wrong. I agree with everyone else, this would be a very good feature to find and implement somehow... none of the other flashing technologies currently have this yet. So, anywant feel like trying to flash a EURO rom onto a USDM ecu and see what happens? :twisted:
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Postby west_minist » Thu Jun 15, 2006 6:32 pm

Well, the person who want to see what is going on have those changes now. So Spec C will report back to us.

Once the IAM keeps quiet where he is located, we will have some general feedback.
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Postby JRSCCivic98 » Tue Jul 04, 2006 9:25 am

Just discovered this morning that the EDM WRXs have the "Per Gear" boost compensation as well. I found this out when I was trying to see if the CL/OL fueling delays were different from the USDM cars. Seems that the delays are very close if not identical to those of the 02-03 USDM WRXs. With that said, has anyone ever tried to run an 05 EDM ROM on an 05 USDM ECU? I wonder what would happen. Anyone feel brave to try it?

Technically speaking I would think the ECUs would be the same, even down to the wireing diagram comming into them. If that's the case, the ROMs should work. Is my logic flawed?
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Postby Spec C Wannabe » Wed Jul 05, 2006 7:48 am

I don't know if i am wrong but i dont think you can judge ecu compatability only from its wiring. It may come down to the address arrangment and offset inside the ecu. As far as my experiment goes, I can load 05 EUDM Rom into my 03 ecu without any detected problems. I mean it may have but I cant detect it. For now, I migrate data (Fuel Table, Ignition, Boost etc...) into my 03 rom file already. Just to be safe. :wink:
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Postby ev8siv3 » Wed Jul 05, 2006 8:19 am

Doesn't hurt to try, what's the latest EDM ROM ID for MY05 that would be comparable to my 800F?
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Postby Spec C Wannabe » Wed Jul 05, 2006 9:47 am

You can try compare yours to A4TE300D from 05 EURO WRX. But I am sure there must be differences in many minor maps between the two.

here is the link: http://forums.openecu.org/viewtopic.php?t=574
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Postby JRSCCivic98 » Wed Jul 05, 2006 1:29 pm

Spec C Wannabe wrote:I can load 05 EUDM Rom into my 03 ecu without any detected problems. I mean it may have but I cant detect it.


Wait, so you're saying that you flashed a complete 05 EDM WRX ROM onto your 03 USDM ECU and it worked without any problems? If so that's for fugging cool. That pretty much give you all the control they have. Damn, I want to bust out my spare 04 ECU and try it now real bad. I wonder if it worked fine (or seemed to) because the layout seems to be the same for some of the tables in the 02-03 USDM WRXs as they are in the newer EDM ones. If this works like you said then that pretty much solves out problem of not having "gear dependant" boost control in the USDM ROMs. BTW, the CL/OL fueling is not an issue on the 05 EDM ROM I downloaded from this site. It was pretty much identical to the 02 WRX ROM I have compared it to. This is good news so far. Someone try it on an 04 ECU... common... do it. I don't want to fry mine... :P
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Postby mrxduce17 » Wed Jul 05, 2006 1:30 pm

i hit 12 psi in first gear =X
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Postby ev8siv3 » Wed Jul 05, 2006 1:34 pm

I was looking at the 05 Euro and it's basically an 01-03 USDM with some extra stuff. I think it may be fine to use with the 03 because many of the tables are similar, however probably not safe for 04/05 because it's a whole different layout.

Try your spare out, see what happens, i'm sure you can just overwrite it back to stock if it doesn't work.
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Postby JRSCCivic98 » Thu Jul 06, 2006 5:31 am

ev8siv3 wrote:Try your spare out, see what happens, i'm sure you can just overwrite it back to stock if it doesn't work.


Not if it won't go back into diag mode so that the kernel will load.
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Postby Spec C Wannabe » Thu Jul 06, 2006 5:46 am

JRSCCivic98 wrote:
Spec C Wannabe wrote:I can load 05 EUDM Rom into my 03 ecu without any detected problems. I mean it may have but I cant detect it.


Wait, so you're saying that you flashed a complete 05 EDM WRX ROM onto your 03 USDM ECU and it worked without any problems? If so that's for fugging cool. That pretty much give you all the control they have. Damn, I want to bust out my spare 04 ECU and try it now real bad. I wonder if it worked fine (or seemed to) because the layout seems to be the same for some of the tables in the 02-03 USDM WRXs as they are in the newer EDM ones. If this works like you said then that pretty much solves out problem of not having "gear dependant" boost control in the USDM ROMs. BTW, the CL/OL fueling is not an issue on the 05 EDM ROM I downloaded from this site. It was pretty much identical to the 02 WRX ROM I have compared it to. This is good news so far. Someone try it on an 04 ECU... common... do it. I don't want to fry mine... :P


Sorry for making confusion but it was my mistake to give you guys the wrong information.

Here is the story.... One of the member posted "PPPed 05 EUDM WRX" from this thread: http://forums.openecu.org/viewtopic.php?t=242. Crispyduck was then migrate this 05 PPP into his 03 EUDM WRX A4TE001G: http://forums.openecu.org/viewtopic.php ... highlight=.

I tried flashing Crispyduck A4TE001G into my 03 WRX A4TE100G without problem.

In summary, I flashed a 03 EUDM Rom image (A4TE001G) into another different Cal ID (A4TE100G) 03 EUDM ECU without problem. :roll:
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Postby crispyduck » Thu Jul 06, 2006 12:57 pm

Spec C Wannabe wrote:...Crispyduck was then migrate this 05 PPP into his 03 EUDM WRX A4TE001G: http://forums.openecu.org/viewtopic.php ... highlight=.

Saw my name all over this one! thought I would clarify what 'Spec C Wannabe' means by migrate. Only the maps from the 05 ROM were merged in to my original MY03 ROM. So no surprise that my Euro MY03 ROM runs on another Euro MY03 ECU.
-Steve.
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