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  1. Replies
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    Desired TIP controls the wastegate, Desired MAP...

    Desired TIP controls the wastegate, Desired MAP controls the throttle. TIP Actual over TIP Desired will naturally close the throttle as your Desired TIP > Desired MAP (because of throttle loss).
    ...
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    Yeah, zero turns off the compensation. The...

    Yeah, zero turns off the compensation.

    The whole section is part of a desired airmass compensation designed to smooth out torque transitions. Say you're going 400lb.ft of airflow currently, but...
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    These are used by desired airmass to essentially...

    These are used by desired airmass to essentially control how fast it ramps to a target airflow. For example, try setting the traction control one to 100%, and then to 5%, and hit traction control....
  4. Thread: Target N

    by Bugasu
    Replies
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    5,152

    Target N is controlled via the loss tables...

    Target N is controlled via the loss tables primarily. The idea is to hit a desired engine speed and hold it. To do that, you want 0 net torque at that given RPM, so it uses torque control to achieve...
  5. What does your base fuel table actually look...

    What does your base fuel table actually look like?

    The way the Ford logic works depends on what year/generation the vehicle is.
    15+ Tricore (and a few others under 15, such as FoST, FiST, and I...
  6. Isn't that value the same as 44475, Neutral Exit...

    Isn't that value the same as 44475, Neutral Exit Speed?
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    Yes, your TIP Actual > TIP Desired for your set...

    Yes, your TIP Actual > TIP Desired for your set amount of time. This is the core of what triggers the overboost DTC. Get your TIP Actual in line with your TIP Desired with your wastegate control and...
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    The torque check switch is literally what it...

    The torque check switch is literally what it says. If its enabled, the ECU uses engine torques and transmission input torques to determine if the car is in gear and moving, primarily for the purpose...
  9. You have to raise your driver demand. The PCM...

    You have to raise your driver demand.
    The PCM calculates desired TIP from a desired airflow, which comes from a desired torque.

    All you've done is make the pedal translation more aggressive in...
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    I suspect your Torque Model changes are the root...

    I suspect your Torque Model changes are the root of your problems. Your tables aren't very smooth when moving through the mapped points.
    Your change seems to happen around ~3500 RPM as the cam...
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    From what I can see, TIP Actual > TIP Desired. As...

    From what I can see, TIP Actual > TIP Desired. As such the throttle must close off to control airflow that would be more than it expects.
    As to what is capping your TIP Desired, based on the values,...
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    I tend to not mess with the temperature tables,...

    I tend to not mess with the temperature tables, only the inverse. They control a lot of the temperatures inferred for the exhaust, for every component. As I tend to keep overtemp responses on, I...
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    The table that's limiting you is located here:...

    The table that's limiting you is located here:
    https://i.imgur.com/EKTbz3q.png
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    It was to just give people a ball park idea on...

    It was to just give people a ball park idea on the HP.
    There is a temperature correction, as well as a correction for the assumed compressibility of the fuel (bulk modulus). Fuel temperature is...
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    I created a spreadsheet to calculate roughly...

    I created a spreadsheet to calculate roughly where the limit is based on data.
    It doesn't do any correction for the HPFP's VE, but it gives a rough idea.
    ...
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    Does your APP actually change during this? If the...

    Does your APP actually change during this? If the pedal isn't measuring your change, that'd be the first thing to look at.

    After that its all in the driver demand. You could make the pedal...
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    If you think something is missing, I think the...

    If you think something is missing, I think the fastest way to get it addressed would be to contact support :)
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    Overboost could come into play as well. If you...

    Overboost could come into play as well. If you exceed the limits there it'll kick you into Turbo FMEM until you restart the vehicle. If the code sets, you'll permanently be in Turbo FMEM.
  19. Thread: Target N

    by Bugasu
    Replies
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    5,152

    Target N is shorthand for "Target Engine Speed",...

    Target N is shorthand for "Target Engine Speed", in reference to "N" being used as short hand for Engine Speed.

    Target N contains several modes designed to control engine speed using torque....
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    Surge line table is only used in bypass valve...

    Surge line table is only used in bypass valve control. It won't limit you with Turbo FMEM.
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    Should be TC-1791.

    Should be TC-1791.
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    What tables would you want to see?

    What tables would you want to see?
  23. Thread: Whipple iat2

    by Bugasu
    Replies
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    3,230

    It'd be nice if this is how it worked, but...

    It'd be nice if this is how it worked, but unfortunately none of the ECUs actually do this. Pins are assigned by the Low Level Drivers at compile time. Set in stone. The only pins that support...
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    Have you logged the throttle error at all to...

    Have you logged the throttle error at all to possibly see if its that? The throttle map is unfortunately very important for DBW cars, so if you're not able to get a solid FF and INV table for those...
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    Looks at inferred ECT.

    Looks at inferred ECT.
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