how-to: Log AFR from the LC-1 w/o a serial cable
#511
Evolved Member
iTrader: (12)
So would anyone be around to help me figure out a formula for my prosport wideband. It uses the bosch lsu sensor. I just double checked my work with biggiesacks method of checking it reads voltage with logging the request id 3c and using the formula 0.01952*x.
I did see a voltage of 2.6 to 2.7 which had the gauge in the 15 area which is correct. Just need to figure out what i did wrong in the equation.
the wideband reads from 10-20
i used the original formula and replaced the values with mine.
(17.0-9.0)/255*x + 9.0 = 0.03137*x + 9.0 <-------------Mr Freds and what i tried ----------------> (20.0-10.0)/255*x + 9.0 = 0.03137*x + 9.0
(20.0-10.0)/255*x + 10.0 = 0.03137*x + 10.0
Tried both ways seeing i wasnt really sure as to what values were meant to be changed and what stayed. Didnt see any difference in either way though. Just showed a zero or 1 i believe the whole time.
I did see a voltage of 2.6 to 2.7 which had the gauge in the 15 area which is correct. Just need to figure out what i did wrong in the equation.
the wideband reads from 10-20
i used the original formula and replaced the values with mine.
(17.0-9.0)/255*x + 9.0 = 0.03137*x + 9.0 <-------------Mr Freds and what i tried ----------------> (20.0-10.0)/255*x + 9.0 = 0.03137*x + 9.0
(20.0-10.0)/255*x + 10.0 = 0.03137*x + 10.0
Tried both ways seeing i wasnt really sure as to what values were meant to be changed and what stayed. Didnt see any difference in either way though. Just showed a zero or 1 i believe the whole time.
#513
Can anyone share what is the best way to connect the analog singal wire from my wideband to the oem evo 9 ecu? I'm targeting the ecu slot 93 for my wideband signal. any help would be very much appreciated.
#514
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