Author Topic: Flashing 1999/2000 ECU's (Read 7411 times)

beam514 · « **on:** December 20, 2010, 04:11:26 AM »

Quote from: beam514

Original Post
So I was recently discussing this on Socal3G, and I just want to get things cleared up.

Have we, or have we not, found that the 1999/2000 ECUs can be flashed? I am getting mixed answers, and the thread on Club3G is getting huge. The information is also scattered all over the place. Last I remember, Acamus just needed a file from anyone with a 99 ECU and he would be able to work something out for us?

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As of right now, I would really like to avoid having to swap to a 02-03 M/T ECU from an Eclipse. That would require repinning and all that nonsense. In the future, I could probably complete this swap, as well as a full wire tuck, but that won't be for a LONG while when I don't need my car for an extended period of time.

Basically I need tuning capabilities so that I can run the stock 6G74 (270s?) injectors instead of the 6G72 (220s?) injectors.

This top post can be edited for any information that comes up.

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Useful Information (as of March 20th, 2011)
For the following rom/def files, visit this thread: : You are not allowed to view links. Register or Login
1999 Fed Spec/2000 6g72
Diamante VRX (6g74)
2000 4g64

For basic EcuFlash/tuning information, visit this thread:
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For older versions of EcuFlash, visit the EvoScan website:
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To order your Tactrix 2.0 cable, visit the Tactrix website:
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For free logging software, download Mitsulogger:
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For $25 (but much better) logging software, download EvoScan
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For a free XML editor (much better than using notepad), visit editix.com:
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Update Sunday 4/7/11, 2:53 am

I have attached the 1999 V6 Cali spec ROM, as well as the most up-to-date definition file (20410017) thanks to Jamie and "Thane" from over on openecu.org. I read the ROM using a read-template that I created, which is actually very very simple. I will post that as well, because some people seem to be getting confused by the fact that you have to read under the "Evo" name. So put this read template in the read templates folder, and you'll have the option to choose "1999-2000" Galant.

Can anyone verify that the Galant memory model is H8539F or H8539FA? I believe it to be only the F, but I'm not completely sure. Anyway, the read template is set up for to read a H8539F.

I also attached the Fed Spec ROM and definition files (20430016)

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Update Wednesday 5/4/11

Good news! We are so close to getting a working definition going. Check page 5, You are not allowed to view links. Register or Login
The new 20410017 definition is the most up-to-date definition, with most things working besides the RPM and Load axis. Thanks to Isaurio and Marty over on openecu for the hard work. I moved around some tables just cause they were bugging me with the way they were layed out in EcuFlash, so if you want to edit a definition, edit this one.. unless you don't care where the tables are

Update Saturday 5/7/11
My definition is finally done thanks to Isaurio!! I am updating the file that I posted here so that it is the most current definition (20410017). The only thing is that EcuFlash will not let me edit most of the injector latencies, which I'm pretty sure I need to do for the 6G74 injectors. Also looking at some stock 6G72 Eclipse GT ROMs, their injector latencies appear to be almost double that on my 1999 ROM (3.xxx milliseconds in is the highest on mine, 6.xxx on the Eclipse)

Sunday 5/8/11
Well, turns out it was just the scaling used during the calculation of injector latency that was wrong. This changed the values to match that of the Eclipse's, and also allows me to now edit the values.. for some reason. Also, the values are supposed to show up color coded based on magnitude of value (almost like a rainbow of ranging values). With the old scaling, they were all showing up the same color.. which is not right.

Wednesday 7/27/11
I attached the 20410017 and 20430016 definitions again, this time with the correct MAF scaling and smoothing tables. For more info on how to fix these tables in your pre-existing definition (any definition), go to the EcuFlash thread and view my post from 7/26/11. I also fixed the Injector Latency table for the 20430016 definition.

SPD_FRK · « **Reply #1 on:** December 20, 2010, 01:37:54 PM »

As far as I know the 99-00 ECUs are flashable with the 2.0 Cable.

Keith6110 · « **Reply #2 on:** December 20, 2010, 11:01:21 PM »

good topic! I am also wondering. Still need to get around to ordering the cable.

SPD_FRK · « **Reply #3 on:** December 21, 2010, 01:44:24 PM »

I have a 99 V6 ROM file, I believe...will have to look through all my tuning files again though. If I can get a test bench setup I can check out the reflash for sure on my 99 ECU I have sitting here, Marc has the 2.0 cable now so we are all setup in that part of it. Still trying to find a complete definition file though for the 99 V6 ROM file so that we can actually start tuning these as well.

showtime · « **Reply #4 on:** December 21, 2010, 10:08:12 PM »

I might have to take a little vacation to CO (I think thats where your located) and get some work done!

SPD_FRK · « **Reply #5 on:** December 21, 2010, 10:39:42 PM »

We can figure out something...who knows, maybe one day I will finish my own car and drive it to meet up LOL

showtime · « **Reply #6 on:** December 21, 2010, 11:30:08 PM »

works for me!

boostzealot · « **Reply #7 on:** December 22, 2010, 03:21:14 PM »

gonna need some more info for Josue, Matt so i can get him to flash mine so we can squeeze some more out of her. not to mention i just put in the walbro so....

SPD_FRK · « **Reply #8 on:** December 22, 2010, 06:40:33 PM »

He should have the ROM and XML for your ECU I think, if not I do have it here as well. Will need to pull some logs in EvoScan to see where to make adjustments.If he needs help just have him call me again.

mysticj · « **Reply #9 on:** December 22, 2010, 06:58:08 PM »

Apparently Yes, I have the 99/00 Rom and XML located on the Natural-Aspriated forum. It has the basic minus the Injector Latency

SPD_FRK · « **Reply #10 on:** December 23, 2010, 11:52:13 PM »

Didn't realize you had those files posted Jamie, thanks! Saved those on my end here as I am sure I will need them at some point or another.

Keith6110 · « **Reply #11 on:** January 02, 2011, 10:19:23 AM »

I got my tactrix 2.0 cable last week. Going to play around with it a bit today. I have not one clue how to log or anything like that though.

SPD_FRK · « **Reply #12 on:** January 02, 2011, 10:22:37 AM »

If you need some help Keith, feel free to give me a call and I will walk you through it all.

Keith6110 · « **Reply #13 on:** January 02, 2011, 10:50:24 PM »

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If you need some help Keith, feel free to give me a call and I will walk you through it all.

Alright, I'll give you a call. It will probably be around next weekend when I have time to mess with the car again.

jmath99v6 · « **Reply #14 on:** January 03, 2011, 04:09:45 PM »

I got a 2.0 cable and it read and wrote to the ecu fine according to the laptop once I got some help with the definition file, but I didn't buy mitsu-logger so I could verify. Also, I think I have a bad egr valve and shortly after that the transmission started to leak and then crapped out so the car just been sitting in the driveway for the last couple months.

beam514 · « **Reply #15 on:** January 03, 2011, 04:22:58 PM »

dang, I guess I should pick up a 2.0 cable before next summer then

foxbrand · « **Reply #16 on:** January 03, 2011, 04:39:28 PM »

ummmmmaaa, how do I do a nitrous oxide map?

SPD_FRK · « **Reply #17 on:** January 03, 2011, 08:38:33 PM »

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I got a 2.0 cable and it read and wrote to the ecu fine according to the laptop once I got some help with the definition file, but I didn't buy mitsu-logger so I could verify. Also, I think I have a bad egr valve and shortly after that the transmission started to leak and then crapped out so the car just been sitting in the driveway for the last couple months.

MitsuLogger is the free version, it works, it's cheap, but really not that great IMO. The EvoScan is $25 still I think andyou won't be disappointed with the money spent on it. Sucks to hear the car has been giving you issues like that, at least it is winter time so you can hopefully take some time to fix it.

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ummmmmaaa, how do I do a nitrous oxide map?

Not really relevant to the topic here, start a new topic or check out EvoM forums as they will likely have more information on a Nitrous tune.

jmath99v6 · « **Reply #18 on:** January 04, 2011, 05:13:17 PM »

Yeah, I meant EvoScan. I couldn't get MitsuLogger to work at all. I do hate to give up on her, I really do love that car, but ohio winters are bad for car trouble without a garage.

Keith6110 · « **Reply #19 on:** January 27, 2011, 09:49:36 AM »

What do you guys think about getting a 2nd gen obdII 3000gt TT ecu for the 6g72 platform?

I think If I can find and compare pinout's it may work. I know they're engines have DOHC though and cam sensors may be different with timing.

Anyway, Just brainstorming since I can't find much info on the 99 ecu's and can't seem to get a definition file for it. The only thing I can think of is to rip mine out and see what processor it has in it, then go from there.

EDIT:

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I'm going to see what I can do with this definition file. (Just noticed Matt is about a year ahead of me lol)

mysticj · « **Reply #20 on:** January 28, 2011, 11:51:45 AM »

I have three 99/00 definition files[Two V6 and one 4G64] available even posted on the board. What do you need?

Keith6110 · « **Reply #21 on:** January 29, 2011, 08:28:47 PM »

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I have three 99/00 definition files[Two V6 and one 4G64] available even posted on the board. What do you need?

I wasn't sure if 99 and 00 were the same. I'm just looking for the 99 definition file so I can get a stock file from my ecu. I haven't quite found out if my car was a fed spec or cali spec. But the four 02 sensors are leading me to think its a cali spec.

mysticj · « **Reply #22 on:** January 30, 2011, 01:42:20 PM »

the roms themselves are not the same but the information are. go the Natural Aspiration section and go to the thread "4G6x/6G7x Roms/Maps". You will find definitions there.

Keith6110 · « **Reply #23 on:** January 30, 2011, 01:58:54 PM »

Alright cool, Thanks for the help. I appreciate it.

beam514 · « **Reply #24 on:** March 04, 2011, 01:43:28 AM »

What version of EcuFlash did you guys use?