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BIKELAND > FORUMS > HAYABUSA-ZONE.com > Thread: Anyone have a broken '99-02 ECU laying around their garage? NEW TOPIC NEW POLL POST REPLY
ridgeracer


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Posts: 1292
posted December 02, 2007 09:14 AM        
PetriK has successfully pulled the maps out of a 2006 32bit ECU. He has already found the rev limiter settings and is in the process of figuring out the rest of them.

It looking good so far and appears most if not all of the the 32 bit Denso ECUs are accessible. The same basic method of accessing the Busa has also been used on a late model Suzuki SV-1000 and a Kawasaki Z1000.
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ridgeracer


Pro
Posts: 1292
posted December 06, 2007 03:29 PM        
It appears PetriK has now successfully reflashed an ECU. He was able to put a copy of his K5EU software into a K6US ECU and verify it.

The cool part about this is that he did it through the wire harness with a simple RS232 adapter. The way it works is you can only WRITE the flash through the wire harness. But before you can reflash it you need a copy of your ECU data to modify and then flash. There are one of two ways to get this data; Cut open your ECU and grab it using the AUD port, or use a copy from someone else's ECU that has the same model as you.

We will have to open up at least one example of each model of ECU but once that has been done and the different versions are in the public domain then it will only require downloading your version off the net, modifying it and flashing it in through the wire harness.
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ridgeracer


Pro
Posts: 1292
posted February 13, 2008 09:17 AM        
Check this out...

http://www.suzukihayabusa.org/forum/index.php?topic=126331.0

Apparently DaveO is having very good success on the dyno remapping 32bit ECUs


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PetriK


Parking Attendant
Posts: 30
posted February 13, 2008 09:37 AM        
Yep, He has not only given valuable real life feedback, but also has succesfully dynoed bikes with reprogrammed 32 bit ECU:s. The words is that the turbos just keep giving more and more with extending RPM where as and ported& cammed NA peak power seems to be settling around 11.7k.

I guess we are abouyt to take a completely new step in bike tuning...








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ridgeracer


Pro
Posts: 1292
posted February 13, 2008 10:02 AM        
I still think the GSXR guys are missing out. Any chance DaveO has some gixxer ecus laying around?
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osti33


Needs a job
Posts: 2973
posted February 13, 2008 04:30 PM        
This is great info. Thanks guys.
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PetriK


Parking Attendant
Posts: 30
posted February 21, 2008 09:46 AM        Edited By: PetriK on 21 Feb 2008 08:48
Dont know if many of the readers on this forum have followed the sh.org discussions around this topic - but what we have discovered is that the busa is not only reflashable, you can also monitor the engined data directly from the ecu just installing a very inexpensive interface cable (<30usd). Best of all also the installation is very simple, only requires 2 engine harness wires to be connected to the interface.

This is what currently can be monitored on line while the engine is running. This is a real screenshot from a working demo software I have written just as a proof of concept:



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ridgeracer


Pro
Posts: 1292
posted March 20, 2008 11:19 AM        
What pins are you using to pull the data for the logging?
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PetriK


Parking Attendant
Posts: 30
posted March 21, 2008 12:04 PM        Edited By: PetriK on 21 Mar 2008 12:07
The different versions of software supports datalogging directly or alternatively using Innovate Logworks if there is e.g. LC-1 installed on the bike.

The software is free and can be downloaded from here:
http://busaecu.redirectme.net

The recommended interface is: FTDI TTL232R and can be bought from ftdichip.com or any other local source.

The wiring diagram for that interface is the following:


... and the innovate version can produce e.g. this kind of data directly to your laptop in addition to wideband oxygen sensor data from e.g. LC-1 ...

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BIKELAND > FORUMS > HAYABUSA-ZONE.com > Thread: Anyone have a broken \'99-02 ECU laying around their garage? NEW TOPIC NEW POLL POST REPLY

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