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Thread: voltage correcion formula

  1. 03-31-2006 #1
    orange ss
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    voltage correcion formula

    checked outputs on LC1, reading 4.88v@ free air AFR..can someone tell me the formula needed to config a custom PID..and please dumb it down a little..thanx
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  2. 03-31-2006 #2
    SideStep
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    Quote Originally Posted by orange ss
    checked outputs on LC1, reading 4.88v@ free air AFR..can someone tell me the formula needed to config a custom PID..and please dumb it down a little..thanx
    Interesting, I just check (free air) my DJ WB and I got 4.63v.


    Give me a second, Scott has the formula around here some where...

    ***UPDATE***

    Here is it... but I think this formula is specific to the DJ.. I will check for sure....

    http://www.hptuners.com/forum/showthread.php?t=5267

    OK according to the help file here is the defualt LC1 formula...

    volts / 0.3324 + 7.35....

    Soooo... I think you would do this... ask Scott (soundengineer) for sure though...

    If you assume 5.0v should be 18afr or leaner..

    5.00
    -4.88
    .12

    .12 / 0.3324 = .361....add this to the 7.35 above = 7.711

    Your new formula would be: volts / .3324 + 7711
    Last edited by SideStep; 03-31-2006 at 09:01 PM.
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  3. 03-31-2006 #3
    orange ss
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    i replied to your post on 'Tech , i thought i'd check mine for shits and giggles...both the DVOM and HPTuner reads 4.88
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  4. 03-31-2006 #4
    SideStep
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    Quote Originally Posted by orange ss
    i replied to your post on 'Tech , i thought i'd check mine for shits and giggles...both the DVOM and HPTuner reads 4.88
    I am grabbing another multi-meter tomorrow and verifying my results...
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  5. 04-11-2006 #5
    Dragman
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    Quote Originally Posted by SideStep
    I am grabbing another multi-meter tomorrow and verifying my results...
    What did u find out??

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  6. 04-12-2006 #6
    orange ss
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    Scott came up with

    volts/.625 + 10.19

    which is correct ?
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  7. 04-12-2006 #7
    orange ss
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    Side Step, formula would be correct for AFR 7.35-22.00

    I'm using 10-18 AFR and the formula I posted is correct for that range
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  8. 04-12-2006 #8
    Dragman
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    where are u guys running grounds to? inc output of LM1??
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  9. 04-12-2006 #9
    orange ss
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    using LC1
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  10. 05-12-2006 #10
    PurplePiss
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    Since you set the AFR range to 10-18, you would use:

    .625 +10.12

    If you open the User config for your LC-1 in VCM scanner, you can run logworks and run the VCM scanner and increment the 10.xx up and down to make the scanner and logworks match.
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  11. 06-02-2006 #11
    WopOnTour
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    That's a nice trick to get the LC1 analog output to match the digital!
    But dont just create the custom PID and forget (like I did) to go into LM Programmer and change the LC1 voltage curve to 0.00V= 10 and 5V=18
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