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Getting information from ECU
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adrixas
Novice
Jun 24, 2012, 9:55 AM
Post #1 of 14
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Getting information from ECU
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Hello,
Is it possible to get digital information from the ECU by connecting additional wires to specific ECU pins and connect those wires to different MCU and program it to process the ECU information? I hope you understand what I mean.
Thanks.
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Discretesignals
Ultimate Carjunky
/ Moderator
Jun 24, 2012, 10:09 AM
Post #2 of 14
(1838 views)
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Re: Getting information from ECU
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Don't really understand what you mean.
What kind of ECU are you meaning?
What exactly are you trying to do?
MCU?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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adrixas
Novice
Jun 24, 2012, 10:47 AM
Post #3 of 14
(1822 views)
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Re: Getting information from ECU
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I'm trying to get rpm, injectors signals from car ECU and process them with PIC microcontroller and dislay on LCD. I am trying to make some kind of trip computer.
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adrixas
Novice
Jun 24, 2012, 2:34 PM
Post #5 of 14
(1781 views)
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Re: Getting information from ECU
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Yeah it's similar what I have in mind, but I also want to display temperature and rpm.
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nickwarner
Veteran
/ Moderator
Jun 25, 2012, 6:21 PM
Post #6 of 14
(1741 views)
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Re: Getting information from ECU
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Look at your dash. They have gauges for that.
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re-tired
Veteran
/ Moderator
Jun 25, 2012, 8:11 PM
Post #7 of 14
(1727 views)
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Re: Getting information from ECU
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[it's similar what I have in mind, but I also want to display temperature and rpm]
**
*
*Did you happen to read the ad ........
*
*
"Watch fuel consumption, cost-per-mile, coolant temperature, engine speed, horsepower, and much more in real time "
Watch fuel consumption, cost-per-mile, coolant temperature, engine speed, horsepower, and much more in real time
LIFE'S SHORT GO FISH
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adrixas
Novice
Jun 26, 2012, 1:33 AM
Post #8 of 14
(1722 views)
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Re: Getting information from ECU
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Great, but I want to make it myself not buy it already made.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 26, 2012, 3:09 AM
Post #9 of 14
(1720 views)
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Re: Getting information from ECU
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We already have that. It's called a scan tool.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Jun 26, 2012, 7:20 AM
Post #10 of 14
(1701 views)
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Re: Getting information from ECU
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Must of us on here repair vehicles and don't get that in depth in what you are wanting to achieve. Your best bet would be to talk to an electronics engineer.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Jun 26, 2012, 7:24 AM)
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re-tired
Veteran
/ Moderator
Jun 26, 2012, 1:44 PM
Post #11 of 14
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Re: Getting information from ECU
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If you want to say "I built it myself" Buy one and Reverse Engineer it. The russians did it with the B-29 after WW2 .
LIFE'S SHORT GO FISH
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Sidom
Veteran
/ Moderator
Jun 26, 2012, 5:17 PM
Post #12 of 14
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Re: Getting information from ECU
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I've messed around with some electronics and built some small stuff. I get it, most of the fun is putting it together, testing your soldering skills on some small stuff and then seeing if it actually will work. My last project was a pressure transducer for my scope using a GM MAP sensor.....
Your best bet is finding an electronics forum. The kind of info you are looking for really isn't field service or DIY home repair stuff and that is what this forum is mainly about. Get the right place & you should have some fun.......
They use to have this mail order thing called Heath kits...... Electronic kits you would assemble, don't know if they are around any more but it was fun if you like soldering....
(This post was edited by Sidom on Jun 26, 2012, 5:19 PM)
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re-tired
Veteran
/ Moderator
Jun 26, 2012, 6:01 PM
Post #13 of 14
(1665 views)
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Re: Getting information from ECU
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Heath kits were fun . Rodayo shack sold some . I built a 2 channel lab scope and used it for years in my shop as a eng analizer.
LIFE'S SHORT GO FISH
(This post was edited by re-tired on Jun 26, 2012, 7:43 PM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jun 27, 2012, 7:15 AM
Post #14 of 14
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Re: Getting information from ECU
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Just searched out Heathkit. OMG - re-opened in 2011 and closed shop March, 2012!
Pic wont show no doubt but they made tons of stuff including mini--bikes!
Pic....
Applique......
Knew of one of those aptly named,
T
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