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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » Archive through May 06, 2010 » Archive through April 15, 2010 » TPS reset "how to"? « Previous Next »

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Chrisrogers3
Posted on Friday, April 09, 2010 - 10:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I need to do a TPS reset on my 06 Uly and I have ecmspy and the cable. I am unsure of the process to do a TPS reset though and I looked in the archives and I didnt see anything.

Im new to the whole electronic tuning thing so please be gentle.

Can anyone help me out?
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Froggy
Posted on Friday, April 09, 2010 - 10:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

It is in your service manual, and also in the ECMspy tuning guide:
http://www.ecmspy.com/download/BuellTuningGuide_EN _V2.0.pdf


quote:

11.1 How to perform a TPS reset
(This chapter applies for models with DDFI-2 injections only. Models from 2008 and later are usually
equipped with DDFI-3 and do not require a TPS reset done by a computer any more.)
On the front left of the engine, between the airscoop and the engine, is the idle adjust screw, which
simply adjusts the butterfly in the injector to allow air through for tickover.
• Connect the bike with the computer
• Turn ignition on and set kill switch to the run position
• Turn out this screw until the throttle voltage doesn't decrease any more
• Keep winding the screw two additional turns
• Close the throttle with light clockwise pressure on the throttle grip. The butterfly is fully closed
if it sticks inside the manifold. It's essential, that this is done whith care, as the TPS reset
needs to be done with the butterfly fully closed!
• Click the "Reset TPS ..." button to perform TPS calibration
• Turn idle adjustment cable clockwise until TPS degrees read 5.2 - 5.6 degrees. This setting is
just to make the engine start and needs to be adjusted to correct idle speed with a warm
engine afterwards.
• Run vehicle until engine temperature is at least 140 °C or 285 °F
• Set idle speed to 1050-1150 min -1


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Riding_tall
Posted on Friday, April 09, 2010 - 09:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

When done right it helps things run great. Just replaced my ECM and had a little learning with the TPS reset.

Few hints from my first reset.

Run vehicle until engine temperature is at least 140 °C or 285 °F
Very important. Do to some bad planning and a lot of, oh as long as I has it apart, the bike was stone cold when I did the first reset. the 20 min it took for me to ride it and get it warmed up was horrible, spitting, studdering and by the time I got back, it was idling at 3k !!

Between the "Click Reset TPS" step and turning the idle adjust up to 5.2 - 5.6 add a re-connect EMCSpy by clicking connect. Seems obvious after doing it once but it is possible to overlook this and say, crank the idle adjust all the way to the stop waiting for the numbers to start going up towards 5.2
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Chrisrogers3
Posted on Saturday, April 10, 2010 - 06:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks a lot for the help guys! I will let you know how things turn out!
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Ratbuell
Posted on Monday, April 12, 2010 - 08:46 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

In my experience...I don't reset the TPS unless I just swapped computers. It falls into the "if it ain't broke" category for me - if the bike's running well, I leave it be : )
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