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Author Topic: VAG ETC issues.  (Read 4256 times)

Offline PeepPaadam

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VAG ETC issues.
« on: October 19, 2015, 02:45:55 pm »
Friend is struggling with Audi A4 1,8turbo, with electronic throttle. VEMS+H-bridge ordered from webshop, connected properly (verified), all sensors (Pedal 1 and 2, TPS 1 and 2) calibrated.

When connected one way, throttle sort of works, but only when max dc% is set to 0% and min set to 100%. And it is oscillating during movement. When connected the other way around, nothing with either DC% setting.

Here are config files and logs:

http://www.vems.hu/files/PeepPaadam/Audi_A4_ETC.vemscfg
http://www.vems.hu/files/PeepPaadam/1_min100max0.vemslog
http://www.vems.hu/files/PeepPaadam/2_min0max100.vemslog
http://www.vems.hu/files/PeepPaadam/3_polarity_max100min0.vemslog
http://www.vems.hu/files/PeepPaadam/4_polarity_min0max100.vemslog
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Offline MWfire

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Re: VAG ETC issues.
« Reply #1 on: October 20, 2015, 09:57:39 pm »
control loop freqeuncy is to big(try around 25).
Also pid number are imho to big, espesaly D(try around 10).
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