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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through April 13, 2009 » Can't Use Friends Eprom « Previous Next »

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Rocket71
Posted on Thursday, April 09, 2009 - 11:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
I obtained a eprom map from a fellow badweatherbiker. It loaded fine. When I went to do the TPS reset it would only go as low as 7.2 degrees. I reset the TPS at that since it was fully closed. I then put it 4.7 degrees on top of the 7.2 for a total of 11.9. The bike will not start. I reloaded my eprom, reset tps (yes it went to 0) and the bike runs fine. Any ideas? His bike is an 07 XB12 and mine is a 04 XB12. Thanks, R71
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Xl_cheese
Posted on Thursday, April 09, 2009 - 11:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
THat's what a tps reset does. If you zero out the tps onthe bike and ecmspy shows 7 degress then when you do a reset to 0 on ecmspy both the bike and the ecm are at zero. You don't have to bring it up to 15...

Bring it back up to 5.
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Rocket71
Posted on Thursday, April 09, 2009 - 12:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
That is the strange part. When I reset the TPS to Zero it never dropped to Zero it stayed at the 7.2. What I doing something wrong?
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Randomchaos
Posted on Thursday, April 09, 2009 - 01:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Possibly different EMC model #s?
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Froggy
Posted on Thursday, April 09, 2009 - 05:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
I would bet its a different ECM type.
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Id073897
Posted on Thursday, April 09, 2009 - 05:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
I would bet its a different ECM type.

TPS reset is the same opcode, regardless of ECM type (for DDFI & DDFI-II). Easiest way is to copy the old value to the new eeprom. Offset is 0x0012 and 0x0013.
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Froggy
Posted on Thursday, April 09, 2009 - 05:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
Good to know, thanks : )
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Swordsman
Posted on Friday, April 10, 2009 - 10:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)
You DID remember to back the idle screw out all the way during the TPS reset, right?

~SM
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