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Thread: e92 Cam position tables

  1. #1
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    Default e92 Cam position tables

    Doing a tune on a 2017 l83 and looking at the cam position tables (b7934, b7935, b7936) and the x axis does not look anything that I am use to... Not sure if I am missing something.
    If it is correct, how do you log vvt with the scan tool? I am logging e92.apcyl_dma, rpm and gm.incamab1 and nothing aligns in the table from the scan. Thank you for any help.
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  2. #2
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    Have you tried logging GM.INPHAB1 to see if Actual angle appears? I'm not sure about the PID you posted.

  3. #3
    Lifetime Member GMPX's Avatar
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    What ECM OS is that in?
    I no longer monitor the forum, please either post your question or create a support ticket.

  4. #4
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    Quote Originally Posted by RC1 View Post
    Have you tried logging GM.INPHAB1 to see if Actual angle appears? I'm not sure about the PID you posted.
    The one that I am logging is Intake Cam Actual Phase angle.

    Quote Originally Posted by GMPX View Post
    What ECM OS is that in?
    The OS is 12677878

  5. #5
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    Not sure if it is related, I tried to log GM.INPHAB1 but as soon as I tried to record OR monitor, no data would update. It looked like all the data was static and like i was not monitoring/recording at all. Once I removed that pid, everything went back to normal.

    GMPX - were you able to find anything?

  6. #6
    Joe (Moderator) joecar's Avatar
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    Also try GM.EXHCAM1DC.

  7. #7
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    Quote Originally Posted by joecar View Post
    Also try GM.EXHCAM1DC.
    What is the benefit of this pid? If I understand correctly, this is the duty cycle for the exhaust cam. In a crude way, will this not just tell me how much oil is being diverted to the phaser?

    I guess in another way, can anyone share what pid's they are logging when they tune vvt on an e92 ecm? Also, has only else seen what I shared in the screenshot?

  8. #8
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    Ttt

  9. #9
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    It looks as if the first 5 Column labels are completely wrong.

  10. #10
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    TTT.
    Is there anything that I can do to correct the lables or is it in the calibration file?

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