Locating maps in an ECU

[Carsten Meyer]

>So, Shannon where to we get this software?
>
>Bob Knowlden
>
>-----Original Message-----
>From: owner-diy_efi at esl.eng.ohio-state.edu
>[mailto:owner-diy_efi at esl.eng.ohio-state.edu]On Behalf Of Shannen
>Durphey
>Sent: Tuesday, June 15, 1999 11:24 PM
>To: diy_efi at efi332.eng.ohio-state.edu
>Subject: Re: Locating maps in an ECU
>
>
>Charles Brooks wrote:
>>
>> I was looking over some of the stuff on the site and I've got an idea. If
>I simply plot EVERYTHING in the ECU I should be able to see all of the 2D/3D
>maps right? They should look like ramps or some sort of regular waveform.
>I'm not sure if that's right or not but I'll go ahead and try it and let you
>guys know what I get. Yesterday I was unable to find a serial cable long
>enough to get to the Data I/O PROM reader we have here at work, but I have
>one now :)  I'll dump the PROM at lunch and import the data to Excel and see
>what I can see.
>
>FYI, there's an expensive piece of "tuning" software that does little
>more than what you're thinking.  It's actually a 2d plot of everything
>done in DOS.  Tables usually look like sawtooth patterns.  Something
>that's helpful is the ability to load and compare two proms , both
>with overlapping graphic plots and with a list of differing bytes and
>their values.
>
>Shannen

Seriously: Convert the .bin to a .wav file and read it into a ...
windows-based shareware sound editor! Looks nice, shows all the sawtooth
tables and their adresses ("samples"). And does nearly the same job as the
mentionend AZS&M carPROM software. You might even "edit" the tables if you
know where you are. But don't forget the checksum.
Yours sincerely,

Carsten R. Meyer, c't editorial staff


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