IAT placement

[CSH-HQ]

Always watch what ya wish for <g>
Grumpy

>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 ;-)


>> 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.  .