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Old Sep 10, 2012 | 07:20 PM
  #1  
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Default Completely stumped

Hello everyone, I got myself in a real bad spot again.
Today I was installing my exhaust on my 2012 FXS w/abs, security. I am using a Fuelpak as well as big sucker air cleaner.
I accidentally did not install one of the O2 sensors. After the install I successfully started the bike and while I was driving down the block I lost all power in the engine. The speedometer read low range and all lights illuminated on the speedometer. I then lost all electrical power.

I reinstalled the O2 sensor, replace all fuses and check all connections. I tried the bike with and without the Fuelpak to rule it out. The battery is fine. When I turn ignition nothing turns on, no fuel pump, no speedometer, no lights.

The only response I can get from the bike is when I press the trip I can get the odometer reading and the time.

Is it possible that the O2 sensor folly crapped my ECM out?
I had my voltage regulator replaced 3000 miles ago and have had no problems since.

I am completely stumped, any help would be appreciated.

The only response I can
 
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Old Sep 10, 2012 | 07:34 PM
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Can't see how that would happen. I can see the bike not runnimg good, but thats all. I don't know anything about the security system, but that could be an issue, other then that it sounds electrical.
 
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Old Sep 10, 2012 | 07:41 PM
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Could be it went into a full ecm shut down. These bikes are equiped with a "limp home" mode, but if ecm senses a major fault that it deams could damage the motor, it will shut itself down. There is a reset procedure avail on this forum. May want to search or maybe someone else can supply that info. I dont think your Fuelpak is the cause. You could disconnect it to isolate problem, and if you have to go to dealer, I would remove it completley and not have it come up in the conversation.
 
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Old Sep 10, 2012 | 07:43 PM
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You said you replaced all fuses. Were any actually blown?
 
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Old Sep 10, 2012 | 09:16 PM
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No fuses were blown. Fuelpak was removed.
I have tried searching but have been unable to find a reset for a complete ECM shut down. If anyone can point me in the right direction, it would be greatly appreciated.
 
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Old Sep 10, 2012 | 09:48 PM
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When I have a problem with a car I usually unhook the negative battery cable for thirty minutes for a hard reset. This will clear things like computer lock up because of a misread key code among many other problem in a car. I am not sure if it will help with a motorcycle though. I can see any downside to not trying it on a bike either.
 
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Old Sep 10, 2012 | 10:01 PM
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"When I have a problem with a car I usually unhook the negative battery cable for thirty minutes for a hard reset"

this is what I was going to suggest but you may want to confirm it. My buddy had the battery go out on his '10 chevy truck an they had to hook a battery into the system via the cigarette lighter for the emc during the battery change or it f's up the ecm. I guess that's something the gm came up with for the dealers to generate some business for them.
 
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Old Sep 10, 2012 | 11:15 PM
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Some shops hook up into the cigarette lighter because they do not want to reset radio lock out codes and and other things. I have not heard or not being able to unhook a battery because of it messing up a ecm. On newer vehicles we remove the battery completely to charge it if need be, especially on hybrids since jump starting them can damage sensitive electronics.
 
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Old Sep 10, 2012 | 11:31 PM
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Losing all power like that sure sounds like a main fuse or bad connection to me. Triple check the main fuse and everything under the seat including the battery connections.

I think to reset the ECM you would turn the "Run" switch on and then turn the ignition switch on/off three times, pausing a second between each time.

Good luck!
 
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Old Sep 11, 2012 | 06:11 AM
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im not bein a wise guy,but do u have the fob with you when u try to re start?dont know why it shut down but sounds likw security issue now possibly
 
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