Evo X ECU disassembly

[scheides]

So the openport cable that you use to connect your laptop to the evo X is not complete yet but someone in europe got a copy of their ROM somehow. They took it upon themselves to leak it to the community sometime Friday night, and uh, it's pretty well disassembled already!

Items of note:
multiple mivec maps (intake and exhaust cam)
3d boost tables (tps vs pressure)
boost based on bar (i.e. pressure, not load!)
LOTS more room for ecu hacks in this rom

It is truly amazing how quickly a global community of enthusiasts can crank through something like this.

3d boost(target is in bar, 1bar =14.5psi):


intake Mivec:

exhaust mivec:


Timing:


Fuel:


Link to one of the theads:
http://forums.evolutionm.net/showthread.php?t=350093
and
http://forums.openecu.org/viewtopic.php?p=18064#18064

[FattyBoomBatty]

Sweet.

[merkzu]

Having the rom hacking guys around is one of my favorite things about having an evo

[Shane@DBPerformance]

Now we just have to wait for the cable to come out and then for them to figure out how to read/write to the ECU. Finding maps in a ROM isn't the hardest thing ever. There is graphical hexediting software to help you find patterns that stick out(maps) unlike code which normally just looks like random static.

[scheides]

Yes, but having this out of the way for when the CAN interface becomes available will really speed up the process. This is a EUDM rom, so it is a sure bet the USDM one(s) will be slightly different. But figuring out all the scaling and oem algorithms is something that could take a while, especially if/when tephra-like mods like NLTS and map switching start to become a reality.

I guess they're having some issues with the disassembly codec, it is not a standard one that they can find.

Tactrix cable is gonna be out soon, and then reading/writing the rom from there won't be far off. I bet you will be doing evo X tunes by July, shane....and they will be ho-hum for you come September.

[Jakey]

Has there been any discussion regarding if/how well Mitsu is following SAE J1939?

[Goat Blower]

I'm guessing the EUDM code is healthier than the USDM code will be, so simply cutting and pasting that code will probably reap some benefit.