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Thread: Calc.VET: correcting MAF and calculating VE (in single log)

  1. #741
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    May 2014
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    Not sure if I implemented them 100% exactly like they are depicted in this guide, but here's my custom user calculated PIDs, located at \EFILive\V8\Config\

    [Groups]
    USER=User-Defined PIDs

    [USER]
    LTFTBEN="BEN from LTFT",factor,4
    WO2BEN="BEN from Wideband",factor,4
    SELBEN="Selected BEN from LTFT or Wideband",factor,4
    AFR="Commanded AFR from EQIVRATIO",AFR_gas,1
    OILPRES="Oil Pressure",psi,1
    WB="Wideband AFR",AFR_gas,1
    DYNAIR="Speed Density Air Flow",g/s,1
    TRANSTPS="Filter out transient TPS data",boolean,0
    CALCVET="Calculated VE from MAF",ve,4
    FTC_21="Fuel Trim Cell 21 Filter",boolean,0

    [USER.LTFTBEN]
    0=|-- USER.LTFTBEN
    1=|return (pid("PCM.LONGFT1")+pid("PCM.SHRTFT1")+pid("PCM.LO NGFT2")+pid("PCM.SHRTFT2"))/200+1

    [USER.WO2BEN]
    0=|-- USER.WO2BEN
    1=|return pid("PCM.EQIVRATIO")/pid("EXT.WO2EQR1")+(pid("PCM.LONGFT1")+pid("PCM.LO NGFT2"))/200

    [USER.SELBEN]
    0=|-- USER.SELBEN
    1=|if (pid("PCM.EQIVRATIO")>1.01) then
    2=|return pid("USER.WO2BEN")
    3=|
    4=|elseif (pid("PCM.EQIVRATIO")<1.01) then
    5=|return pid("USER.LTFTBEN")
    6=|
    7=|end

    [USER.AFR]
    0=|-- USER.AFR
    1=|return 14.7/pid("PCM.EQIVRATIO")

    [USER.OILPRES]
    0=|-- USER.OILPRES
    1=|return pid("PCM.EOPS")*32-16

    [USER.WB]
    0=|-- USER.WB
    1=|return pid("PCM.EGRS")*3+7.35

    [USER.DYNAIR]
    0=|-- USER.DYNAIR
    1=|return pid("PCM.DYNCYLAIR_M")*pid("PCM.RPM")/15

    [USER.TRANSTPS]
    0=|-- USER.TRANSTPS
    1=|return dx("PCM.TP",frame()-1,frame())/10 < 5

    [USER.CALCVET]
    0=|-- USER.CALCVET
    1=|return pid("PCM.MAF")*(pid("PCM.DYNAIRTMP_M")+273.15)/pid("PCM.MAP")/pid("PCM.RPM")*613.479*pid("USER.SELBEN")

    [USER.FTC_21]
    0=|-- USER.FTC_21
    1=|return pid("PCM.FTC")==21 and pid("PCM.SHRTFT1")==0

  2. #742
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by djv86 View Post
    is there a way to setup the v2 under the bbx option to create a data log of the min required pids for the calc.vet theory ? so a laptop wouldnt be required for the data log ? i tried and i dont see half the calc pids under the pid options.
    Hi djv86,
    I just saw your post, I am sorry I missed it, happens on occassions

    The answer is this: yes, you set up BBL to log all the non calc pids for Calc.VET, you capture the log using BBL, and later when you open the log in the V7 scantool you can add the calc pids and click Save.

  3. #743
    Joe (Moderator) joecar's Avatar
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    Apr 2003
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    Quote Originally Posted by nonnieselman View Post
    Anybody know if there is a way to incorporate this into V8 software?
    V8 lets you specify calc pids to log in BBL. When I get home I'll see if I can find an example.

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