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Buell Motorcycle Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through March 02, 2007 » Archive through March 02nd, 2007 » TPS reset ? « Previous Next »

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Kip
Posted on Saturday, February 17, 2007 - 08:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

any one close to Janesville Wi to help me with a tps reset ? I wouldnt mind a couple hour ride . The dealer doesnt sound like they really know what to do also they said it could take 45 min to an hour. I got a new race ecm and I'm waiting to install it. Thanks for your help.
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Bails
Posted on Saturday, February 17, 2007 - 08:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I owned a BMW and you could do the TPS by using a volt metre.Has this method been explored with the Buell? If this was the case then all that would be required is the right voltage and the TPS position could be set. Just a thought that might help the do it self types
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Stevenknapp
Posted on Sunday, February 18, 2007 - 09:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Unlike the BMW here you're telling the ECU that "this is zero" rather than just setting it to the right spot.

Kip, I'm in Grayslake, IL, about an hour and a half away. I'd be glad to help. Could even meet you somewhere, or if/when I head north for another snowmobile trip this winter meet you in Janesville. Or I'll probably be in Janesville helping a friend drop off his Triumph at Team Triumph within the next month or so.
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Kip
Posted on Sunday, February 18, 2007 - 02:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

thanks Steven Im only a few min from team Triumph.Do you use a laptop or palm for the reset just curious? I looked in to the software but I dont have a laptop so I thought it would be a big investment for something you dont have to do that often.
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Stevenknapp
Posted on Sunday, February 18, 2007 - 02:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I've got it on a laptop. They actually just replaced my cable under warranty (was having problems) and I've not tried the new cable.
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Bails
Posted on Sunday, February 18, 2007 - 04:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Unlike the BMW here you're telling the ECU that "this is zero" rather than just setting it to the right spot I think that is what happens with the BMW , at a certain voltage the ECU knows that that is the zero position. If you wanted the ECU to think that the throttle was open more than it was you could advance where zero was,hence slightly more fuel for the zero position.
The TPS was some sort of potentiometer connected to the LHS throttle body butterfly. Where is the TPS on the Buell ?
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Stevenknapp
Posted on Sunday, February 18, 2007 - 08:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

On the buell there is one TPS on the one throttle body. I'm not sure if it can be adjusted, or is fixed in place.

For the newer BMW's there was a procedure that needed to be followed when the battery was removed. The throttle needed to be cycled fully with the bike not running. This way it learned the min/max voltages and

On the older oilheads that was static and you could futz around with the TPS a bit to alter how the bike ran.

On the buell you close the throttle all the way, then tell the ECU using the VDTS tool "this is closed" the voltage really isn't all that important. It just learns (like the newer BMW's) that voltage is closed.

With a new ECU like Kip has, it needs to be "set" not adjusted.
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