Smooth Throttle for UpRev

wstar · 06-18-2013, 02:14 PM

Well, we have no idea what happens with ETC Off, really. I mean, we know it disables all the wild throttle interference from things like VDC and SRM and Torque Management, and more-or-less opens the virtual butterflies as commanded by the pedal. I don't think anyone's experimented to see if the ECU's throttle table still affects that pedal->throttle mapping at all in some way, or it falls back on some fixed values (I bet fixed, though), or what those fixed values might be.

Sh0velMan · 06-18-2013, 02:23 PM

Quote:

Originally Posted by wstar

Well, we have no idea what happens with ETC Off, really. I mean, we know it disables all the wild throttle interference from things like VDC and SRM and Torque Management, and more-or-less opens the virtual butterflies as commanded by the pedal. I don't think anyone's experimented to see if the ECU's throttle table still affects that pedal->throttle mapping at all in some way, or it falls back on some fixed values (I bet fixed, though), or what those fixed values might be.

It uses fixed values for sure. What we haven't determined yet apparently is what those values are.

So if I put the car to 'On' and sweep the accelerator through fully closed and fully opened slowly, while logging accelerator position and throttle position, I should be able to make a graph in excel showing them in relation to each other.

06-18-2013, 02:14 PM	#1 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3596	Well, we have no idea what happens with ETC Off, really. I mean, we know it disables all the wild throttle interference from things like VDC and SRM and Torque Management, and more-or-less opens the virtual butterflies as commanded by the pedal. I don't think anyone's experimented to see if the ECU's throttle table still affects that pedal->throttle mapping at all in some way, or it falls back on some fixed values (I bet fixed, though), or what those fixed values might be. __________________ 7AT Track Car! Journal thread / Car setup details

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