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Evo X ECU Bench Process

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Old Dec 26, 2011, 02:37 AM
  #46  
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The only thing I can think of is your "stock" ROM isn't stock, OR your OP20 is damaged (although you can confirm with a second normal write, if it says images identical then your ok)

is this your normal ECU or a brand new one?
Old Dec 26, 2011, 06:44 AM
  #47  
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Its a Normal one. I am going to shoot a some VIDs and do a big post today and I will shoot you a link.

Do you have a stock 55570005? I tried one I goggled. I got mine from here http://www.evoscan.com/roms/mitsubishi_test/

Last edited by lanasa; Dec 26, 2011 at 07:01 AM.
Old Dec 26, 2011, 03:05 PM
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email me, ill respond laters
Old Dec 27, 2011, 12:02 AM
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Originally Posted by lanasa

Do you have a stock 55570005? ]
http://norcalmotorsports.org/users/b...ch/ROMs/Evo10/
Old Dec 27, 2011, 09:57 AM
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I found a basic model lancer ecu for $200.00. I wonder if I can buy it and load rom 55570005 and it wowould wwork and start up?
Old Dec 27, 2011, 11:16 AM
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I wonder if my issue is the immobilizer code? Any one have the definition for it? 55570005
Old Dec 27, 2011, 11:32 PM
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Thanks tephra! I hope I will never need to do this Just one dumb question. After connecting the ECU to OBD pins, is that the only connection from OP2.0 cable to the ECU? Or do you also try to plug the cable in? I'm not even sure that's possible...

Old Dec 28, 2011, 04:27 AM
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After you run your pins fron the ob2 - ecu and have the power wires hooked up to a 12V source. All you need to do is plug your OB2 into your laptop and flash. You will flash once in Alt, followed by unchecking the Alt flash then just do a normal flash. unplug all your wire and plug it back into your car.Its really easy after the 3-5 time.
Old Dec 28, 2011, 07:37 AM
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Well I fixed my ecu. Taking it to get it washed right now
Old Dec 28, 2011, 03:31 PM
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what was it?
Old Dec 28, 2011, 05:55 PM
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Sorry for the wait, I was just posting from my phone. Check this out I was reading last night in the Mitsubishi service manual that when installing a ecu you should place the key in the ignition and wait 10 sec. So this morning at work i re-flashed the ecu which was fine. So i stuck the ecu back in, then i put the key in and waited 10 sec. Then I turn it to where the power come one. I gave that an additional 10 sec, this time the fan didn't come on and it started. So I let it idle for 15 Mins the turned it off. Then did that again. I then flashed my map with the 15% Increase air scaling. It read fine this time. I had the check engine light came on after it started the fist time. I am going to get it read tomorrow. Somethings up with my #1 coil, cylinder 1 is not firing. I will trouble shoot this week.
Old Dec 30, 2011, 10:17 PM
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hrmm weird...
Old Dec 30, 2011, 11:03 PM
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I fixed it yesterday. I just had to clean the ecu pins and harness with Q-tips and MAF Cleaner.
Old Mar 10, 2012, 06:26 AM
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Does this method also work if your fans aren't spinning? I'm not bricked but I definitely locked my self out as I can't read or write anymore. Car run's fine but after writing my stock rom back I'm locked out. Would benching my ECU place it in programming mode so I can flash again? I've tried a different laptop already, reinstalling, etc. Thanks!

- rony
Old Apr 17, 2012, 01:43 PM
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just wanted to say thank you tephra for having this up, I had made a mistake trying to edit 56890013 with a definition file that was jacked up. Long story short, was able to use the bench method and flash to 56890009. So am now logging properly and hopefully getting e-tuned soon ;D


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