Getting Started With ECM Tuning

SuperDave · Posted: Tue Jan 17, 2006 10:33 am Post subject:

Just a word of advice for anyone building this circuit:

Don't use the 7805 regulator, just use the power from the serial plug on the computer, short pins 7 and 8 on the serial plug (RTS & CTS) and give the MAX232 power directly from that.

The fastest way to test the interface is to use Hyperterminal.

Start > Programs > Accessories > Communications > Hyperterminal

Start a new session on COM1 with a baud rate of 300 (make sure your ALDL circuit is connected before you hit OK). type anything you want in the text window, if nothing shows up then you have a problem, if everything shows up then your ALDL is functioning propperly.

Here is an adjusted schematic of what i was talking about...

Dave

burn · Posted: Thu Jan 19, 2006 9:04 am Post subject:

Excellent advice Dave.

mars_man · Posted: Thu Jan 19, 2006 3:47 pm Post subject:

If anyone wants some .bin editing software for the TGP stuff, PM me. I know someone that knows someone, that his uncle knows of software.

zepplica · Posted: Thu Jan 19, 2006 5:08 pm Post subject:

so what program would i use for 2.8 5spd

or would a 90 work??

just wondering about the whole speedo reading change on the tranny side

burn · Posted: Tue Jan 31, 2006 9:38 am Post subject:

scott0999 · Posted: Thu Feb 02, 2006 8:44 pm Post subject:

I was looking at tunercat and tunerpro today and I dont see that they have my ECM as being a supported one? or is there one close to it that works?

http://www.tunercat.com/tnr_desc/do_tc.html

http://www.supportfitness.com/mark/tunerpro/downloadBinDefs.htm

zepplica · Posted: Tue Feb 14, 2006 2:45 pm Post subject:

so would any 88-90 .bin work?
example i swap in a 3100 plus a turbo
but dont use the 91-up .bin file to start with say i use a 89-90 gtp file. i know other people have used them and tweaked them, but do they still read the trans the same as 88-90 j-body would? id think so?

burn · Posted: Tue Feb 14, 2006 3:01 pm Post subject:

zepplica · Posted: Tue Feb 14, 2006 3:08 pm Post subject:

its not to hard to convert it over from the cable right? im talking from trans to speedometer, its just swap the parts out? i know others have used pre 91 trannys in a 91-94 and 91+ in a pre 91

the_wagon · Posted: Fri Mar 31, 2006 2:31 pm Post subject:

I'm running into a bit of a snag with my setup. My laptop doesn't have a 9-pin serial port. So I go looking and I find this adapter.

So now what I am wondering is will this RS 232 Serial interface (Standard 9-pin) work correctly? Is it the same standard?

the_wagon · Posted: Fri Mar 31, 2006 2:59 pm Post subject:

another question, how do you tell which pin is which on the chip?

SuperDave · Posted: Fri Mar 31, 2006 4:05 pm Post subject:

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