Check this out...
01-21-2002, 09:05 PM
#1
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Car: Bee-Bowdy
Engine: blowd tree-fity
Transmission: sebin hunnerd
Axle/Gears: fo-tins
Check this out...
My brother is studying to be an electrical/computer engineer. He gets all these electronics magazines with all sorts of gadgets and projects.
He brought home this one issue with a DIY ECM in it. It's a MAP system with all the inputs for MAT, MAP, O2, CTS and so on. But I don't see any kind of output for an IAC. All I can see is this thing called "fast idle control".
It also has a 9 pin serial connection so you can program it on the fly. It looks like the output connector is a 25 pin parallel
If anyone is interested, I'll try to get my POS scanner to work so I can copy the article.
He brought home this one issue with a DIY ECM in it. It's a MAP system with all the inputs for MAT, MAP, O2, CTS and so on. But I don't see any kind of output for an IAC. All I can see is this thing called "fast idle control".
It also has a 9 pin serial connection so you can program it on the fly. It looks like the output connector is a 25 pin parallel
If anyone is interested, I'll try to get my POS scanner to work so I can copy the article.
Last edited by V8Astro Captain; 01-21-2002 at 09:18 PM.
01-22-2002, 08:18 AM
#2
fast idle control is probably an "on/off" for a bumper solenoid to bump the throtle shaft a bit to increase idle speed. Like an IAC with only two positions, if you will. Like the ProJection 2bbl Digital systems I have. Actually doesn't work all that bad. Better than a carb with no choke availability, that's for sure.
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