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Thread: Manual vs Auto

  1. #41
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    That’s discouraging.
    At the risk of asking a stupid question(s), what type of ‘data’ is Flashscan looking for?
    02 sensors generate a voltage that translates to an AFR. What other data is it looking for?
    Please help me understand.
    Thank you for your time.
    Elm

  2. #42
    EFILive Developer Site Admin Blacky's Avatar
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    Quote Originally Posted by ezobens View Post
    That’s discouraging.
    At the risk of asking a stupid question(s), what type of ‘data’ is Flashscan looking for?
    02 sensors generate a voltage that translates to an AFR. What other data is it looking for?
    Please help me understand.
    Thank you for your time.
    Elm
    FlashScan can always read the analog wide band voltage signal between 0-5V. I presume that wide band controller has a wide band analog output voltage.
    It's just that the analog signal is noisy, less accurate and prone to drifting compared to the digital/serial interface.

    Rergards
    Paul
    Before asking for help, please read this.

  3. #43
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    OK, so I’m not totally dead in the water.
    It does provide 0-5V analog.
    Thank you for clarifying!
    Elm

  4. #44
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    Quote Originally Posted by joecar View Post
    If we can't get serial comms going between the 14point7 and the FSV2, we can connect up using analog (in this case, I can edit the calc_pids.txt to suit this).
    Joe,
    Looks like analog it will have to be.
    At your convenience, could you create the modified calc_pids.txt for me?
    I don

  5. #45
    Joe (Moderator) joecar's Avatar
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    Yes, I'll set it done a little later today.

  6. #46
    Joe (Moderator) joecar's Avatar
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    Elm,

    Please try the attached calc_pids.txt
    Attached Files Attached Files

  7. #47
    Joe (Moderator) joecar's Avatar
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    Connect your 14POINT7 analog 0-5V signal to FSV2 AD1+ and signal ground to AD1- (FSV2 input pins are labelled on back, turn FSV2 over).

  8. #48
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    Thanks Joe!
    I’ll let you know if I run into any snags.
    I don’t know what I would do without your help.
    Thank you!
    Elm

  9. #49
    Joe (Moderator) joecar's Avatar
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    No worries

  10. #50
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    OK, I am able to get all the PIDs to display properly now.

    I do have a question on the "Tips and Considerations" I see in the Calc.Vet Tutorial and Summary docs.
    Are these things I need to change in my tune before I start the Calc.Vet logging and do I revert them back to their original values after or do they stay set as indicated below?
    Sorry for all the questions- I want to make sure I do this correctly.
    Thank you!
    Elm

    Summary doc:
    III. CALC.VET Tuning Tips
    1. B0701: Disable Catalytic Converter Protection
    Insures accurate stoich and PE mode/WOT Fueling
    2. B0120: Change RPM Threshold for Airflow Calculation from 4000 to 400
    Eliminates any Airflow Correction from the VE Table
    3. B3308: Disable DFCO: Change B3308 (M6) to 140C Change B3313 to 140C
    Accurate fueling computations
    4. B4105: O2 Switch-points to 450 Millivolts
    Smoother MAF & VE Table
    5. B3618: PE Modifier Based on Rpm (EQ): 1.16
    Safe adequate Fueling regardless of Fuel Type
    6. B3616: PE Enable: make sure PE enables as load becomes significant
    (e.g. below 60% TP below 3200 rpm, 35% TP above 3200 rpm).
    7. B3608 and B3609: PE Delay: set these to zeros.

    And in the Tutorial:
    Additional Considerations:
    1. Table {B0120} “RPM Threshold For Airflow Calculation”:
    Change RPM Threshold to 400 RPM. This will eliminate the airflow correction that is
    applied from the VE Table B0101. The amount of airflow correction and its effects on
    LTFTs is complex. Most beginning users can leave the RPM Threshold at 4000 RPMs.
    Your LTFTs will update over time, so it is always best to perform additional Quality Control
    runs periodically.
    2. Parameters {B3308} and {B3313} for Disabling DFCO:
    Set temperature to 140

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