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Let's rewire the ECU!

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Old Jul 14, 2005 | 10:17 PM
  #46  
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alright, I downloaded the v1.25/1.47 firmware from Mohd (supposed to be the new full gold firmware). the eManage choked on it so I removed the program entirely and reloaded it. No change.

I guess I keep at it..... at least I only wasted an hour tonight.
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Old Jul 14, 2005 | 10:28 PM
  #47  
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really? Thats odd... they guy who runs mohd came on yahoo and said when the error msg comes up just to hit okay and it should work fine... that he is currently running it on his blue. I dont know maybe i should go back and read them again. Good luck w/ it, i hope you get it... or i have a feeling im gonna be blowing a lot of fuses
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Old Jul 14, 2005 | 10:31 PM
  #48  
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it wasn't just an error that you could say "ok" to, it actually closed the install dialog box and undid all the installing (well, excet for the parts it FUBARd)

So I was just doing some googling and found this guys site. He says there's a bug in all the eManage software and you have to load the firmware and import the map that's on the eManage THEN start making changes. Apparently if you use a stored map, you put the bug back. I guess THAT's worth a try, too....
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Old Jul 14, 2005 | 10:33 PM
  #49  
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From: Redneck KY
u didnt delete your dl did you? would suck to have to start all over
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Old Jul 14, 2005 | 10:53 PM
  #50  
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what starting over? none of the maps work at all, so I'm constantly starting over I'm gonna try the 1.20/1.40 gold update and see if that works

lookey what I found. an update since I read the FAQ last:

This procedure is for those who have problems using the Support Tool on
the laptop. There are scenarios where
if you use the PARAMETER SETTINGS and "Confirm" your changes, it will
cause your car to not run/idle properly
and not all parameters are saved to the E-Manage unit. This seems to
exist for Support Tool 1.11 and previous. <----- check that out. Even the brand spankin new firmware has this problem


1) Turn your car to ON
2) Go to the FILES section of the yahoo group and download the latest
US language and the latest Main unit operating system. (go to http://www.mohdparts.com and get the v1.39 firmware and the v1.11 support tool firmware)
3) Bring up your support tool to ONLINE
4) Go to COMMUNICATION and click on MAIN UNIT UPDATE
5) When it prompts you to TURN OFF MAIN UNIT, turn your key to OFF
position.
6) Click OK
7) Turn ignition to ON
8) Bring up your support tool to ONLINE.
9) Go to SETTINGS and click on PARAMETER SETTINGS
10) Make all your changes and select relevant maps. If you do not have
the additional harnesses, check the "Air Flow Adjustment Map". Also set
your Throttle Setting.
11) Click on CONFIRM. It will pop up asking you to turn off ignition
once. Go ahead and turn ignition to OFF. Click OK.
12) Turn ignition to ON. Reconnect support tool so it is ONLINE.
13) Go to COMMUNICATION and then click on EXPORT DATA.
14) Once that is done, click on CONFIRM for any pop ups you get. Then
turn the ignition to OFF.
15) Turn the ignition to ON and proceed to turn the car ON.


From this point on, NEVER reconfigure the PARAMETER SETTINGS or export to main unit!!! This is what screws things up.

Any change you make on your air-flow map are automatically updated with
the main unit thus there is no need to "export".

Every time you start up your support tool and want to modify the maps
on the main unit, just IMPORT from the main unit and proceed to modify
it.
But again, never mess around with the PARAMETER SETTINGS or EXPORT to
main unit unless you go through the steps above again.


There have been some questions about using a USB-serial adapter on a
laptop that doesn't have serial ports to hook up the Greddy support
tool cable. The Belkin FSU-109 adapter has worked for some people, but
it didn't for one person - for them, the IOGear GUC232A worked
perfectly. Just make sure whatever adapter you get can be returned to
the store in case it doesn't work.

Last edited by engineerboy; Jul 14, 2005 at 11:07 PM.
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Old Jul 15, 2005 | 12:17 PM
  #51  
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so have you been exporting your changes? Also i have an idea if this doesnt work... what if you wired in a resistor into the primary o2 to drop the voltage .1-.05 volts, so that the ecu think the afr is within exceptable limits and wont try to undo what the eManange did. I dont know if that would mess anything else up though.
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Old Jul 15, 2005 | 12:33 PM
  #52  
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that's what the O2 clamp is supposed to do, except it's wired into the VTEC settings so it'll come on at a set RPM. Pretty cool for $30

I have been exporting changes, but not importing the map to make changes. That's apparently bad. We'll see how much of an effect just importing has when I get another chance to mess around with it. Export once, import always, changes are real time. That's my new mantra
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Old Jul 15, 2005 | 12:34 PM
  #53  
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From: Redneck KY
i didnt realize thats what the o2 clamp did... i just thought of the resisotor idea when i remembered about my useless emulator underneath my car
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Old Jul 15, 2005 | 11:24 PM
  #54  
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aaaaaaaaaaarrrrrrrrrrrrrrrrrrrrrrrrrrggghhhhhh!!!! Damnit! So I follow the directions TO THE LETTER and no friggin good! damnit! At this point, I don't even know. I must be a retard or something. I'm sure you'll all do fine with the eManage. Everyone should go out and buy one tonight because you'll install it and figure it out and have no problems....
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Old Jul 16, 2005 | 09:23 AM
  #55  
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From: Redneck KY
http://drizze99.conforums3.com/index...num=1111549216

is that the upgrade u followed? or was it one off of yahoo that mohd posted?
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Old Jul 16, 2005 | 06:49 PM
  #56  
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no I didn't end up doing the upgrade because I wanted to see if the v1.11/1.39 upgrades would work following Mohd's FAQ directions.... so far no good
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Old Jul 21, 2005 | 11:06 PM
  #57  
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From: Redneck KY
hey eboy checking out yahoo groups today and came across this... i know u dont need another project right now... but just something to keep in the back of your mind since you are an autox

http://autos.groups.yahoo.com/group/.../message/10370
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Old Aug 28, 2005 | 09:36 PM
  #58  
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RRE's diagram is correct.

If you are still interested in just resetting your ECU then you need to rewire your switch. Pins 12 and 25 are switched off every time you turn off the ignition switch. Cutting power to pin 80 is what you want to do. It is your backup supply wire. Do that and you should be as happy as this guy --->


Last edited by jdjd831; Aug 31, 2005 at 10:44 PM.
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