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Hacking up Honda's ECU
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 Post subject: Whatever happened to...
PostPosted: Wed Aug 25, 2004 4:02 pm 
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PGMFI Elf

Joined: Tue Jul 27, 2004 2:17 am
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Location: Phoenix, AZ
...The Engine Sim project....


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PostPosted: Wed Aug 25, 2004 4:17 pm 
I was just wondering that myself. I saw it in the Wiki this morning but couldnt find it on the new forum.


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PostPosted: Wed Aug 25, 2004 4:54 pm 
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PGMFI Elf

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I'm dying here now that I've sold my hatch... I'm definitely going to have to do something...


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PostPosted: Wed Aug 25, 2004 4:56 pm 
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Senior Developer

Joined: Tue Jul 27, 2004 2:09 am
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Location: Cincinnati, Ohio
everything is in CVS ... just haven't had time to finish it


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PostPosted: Wed Aug 25, 2004 5:47 pm 
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PGMFI Elf

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:(


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 Post subject: IACV?
PostPosted: Fri May 27, 2005 12:16 pm 
Did you guy's ever find a working solution to your IACV issue?


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PostPosted: Wed Jun 01, 2005 3:49 pm 
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Senior Developer

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no.


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PostPosted: Wed Jun 01, 2005 7:35 pm 
Not sure exactly what you guy's are using for that, but I came up with an idea (depending on your current solution, no extra parts may be needed). From my understanding, the IACV is a PWM like device and the ecu measures that signal to find out if it is correct. The idea I had is to record the various output values of the IACV (using scope or other device) during various modes of operation. Then, if the engine simulator uses a microprocessor, run the ECU pins for the IACV to the mcu on I/O pins. then use software/PWM on the mcu to drive the ecu pin(s) appropriately.


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PostPosted: Wed Aug 17, 2005 5:48 am 
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Location: Scotland, UK
Here is some linkage:

http://forum.pgmfi.org/viewtopic.php?t=240
http://forum.pgmfi.org/viewtopic.php?t=193

I dont really consider the IACV a problem though, sure it would be nice to have a replacement, instead of a hunk of metal on the bench, but just pick up a spare from a breakers and use that. Someday i will draw out the IACV output stage and that'll give an idea on how its obtaining feedback.

Going to build my own sim at some point though, as its annoying/impossible to test certain things in real life on an engine. Will post full details on it when it happens, but i cant say when.

Is anyone still interested in working on something like this?


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PostPosted: Wed Aug 17, 2005 11:24 am 
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Location: The Peak of Ohio
marklamond wrote:
Is anyone still interested in working on something like this?


I am for sure. I have a AS in Electronic Engineering, so I should be able to help out. I am learning the asm stuff and wan't to try some things... and don't want to mess up my daily driver. I guess I should dig into the cvs and get up to speed.


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PostPosted: Wed Aug 17, 2005 12:35 pm 
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Senior Developer

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FYI, all the old engine sim files are part of the CVS tree.


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