IAT placement

Dave Zug dzug at delanet.com
Fri Oct 29 14:28:32 GMT 1999


Gotta love a PRO.  

I once ran low cap cable from the ALDL in the car 
in the driveway to my uP based scan board, 100 feet. that was my $2
solution to not having a test bench for ALDL sniffing.  "good nuff"

wish I was as retent... - I mean dedicated ;-)

> Date:          Fri, 29 Oct 1999 13:07:53 -0500
> To:            gmecm at efi332.eng.ohio-state.edu, gmecm at efi332.eng.ohio-state.edu
> From:          nacelp at jvlnet.com (CSH-HQ)
> Subject:       Re: IAT placement
> Reply-to:      gmecm at efi332.eng.ohio-state.edu

> I checked for that, and each pot has an added resister, so that at 0 on the 
> pot there is 100 ohms for AIT/CTS.  I did use all the 5v references, and 
> grounds and matched the oem diagrams.  I got really fussy about being right.
> About the only error is the lenght of the harness wiring, even real 
> injectors for dummy loads.
> Grumpy
> 
> 
> 
> >Lets say that as long as all other sensors were not affected by what 
> >the POT was doing to the ECM voltage references to the other sensors, 
> >then its the truth. I say that cause once I had an unprogrammed input 
> >pot change affect outputs because the pot was draining the other 
> >sensors reference voltages. of coarse your bench doesnt have my 
> >bench's design flaws ;-) My check into the 727 (aka wetherproof 
> >730) was code based only, not bench.
> >
> >
> >>    On the AUJP cal for the 730 tisting the IAT Pot always got a 
> >change in 
> >> injector duration, all other things the same.  So in this calc., I can state
> >> it as the truth.  .
> >> Grumpy
> > 
> >~~~
> >Dave Z. www.delanet.com/~tgp
> >
> 
> 
> 
~~~
Dave Z. www.delanet.com/~tgp



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