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Thread: Error Code 12?

  1. #61
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    Re: Error Code 12?

    Re: "Interesting.... How did you come to replacing the starter relay? Was the bike just throwing the Error code #12 or was it not starting and threw the code?"

    Motogiro, the bike wouldn't start and it was throwing the Error code #12. Watching the newly supplied Youtube video helped steer me to solving my problem quickly and rather inexpensively.

    Youtube: "Yamaha Code 12 no start fix!"
    https://www.youtube.com/watch?v=vgvebpSEmSY
    Last edited by printimage2; 01-03-2018 at 06:43 PM.

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  3. #62
    Vrrroooooom! Error Code 12? Motogiro's Avatar
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    Re: Error Code 12?

    Quote Originally Posted by printimage2 View Post
    Re: "Interesting.... How did you come to replacing the starter relay? Was the bike just throwing the Error code #12 or was it not starting and threw the code?"

    Motogiro, the bike wouldn't start and it was throwing the Error code #12. Watching the newly supplied Youtube video helped steer me to solving my problem quickly and rather inexpensively.

    Youtube: "Yamaha Code 12 no start fix!"
    https://www.youtube.com/watch?v=vgvebpSEmSY
    Yes. If the ECU sees the start circuit active but there is no CPS signal it can throw the #12 error code. If the battery were dead there may be other extraneous codes produced at random regardless of what sensor conditions exist because of extremely low voltage. Beside the technologies available experience and understanding of these bikes is the most valuable asset we have.
    Thank you for sharing this.

    Sent from Ellipsis 10 HD using Tapatalk
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

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    Re: Error Code 12?

    Just wanted to bump this as my error code 12 was resolved by disconnecting and reconnecting the starter relay. After several hours of trying to find an issue with the crank sensor...

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    Re: Error Code 12?

    For me, it was the starter motor.
    After replacing it, everything is fine.

  7. #65
    Vrrroooooom! Error Code 12? Motogiro's Avatar
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    Re: Error Code 12?

    Quote Originally Posted by weehe View Post
    Just wanted to bump this as my error code 12 was resolved by disconnecting and reconnecting the starter relay. After several hours of trying to find an issue with the crank sensor...
    Quote Originally Posted by BBOutlaw View Post
    For me, it was the starter motor.
    After replacing it, everything is fine.
    Yes, If you tell the bike to start and the ECU/ECM sees that there is no signal from the Crankshaft Position Sensor (CPS) it will throw #12. But if you know your motor is being turned over by the starter and you see a #12 there's a high probability there is a problem with the CPS and/or associated wiring. There is no sensor to tell whether the engine is actually rotating when the starter is engaged except for the CPS. If you hit the starter and the engine does not rotate you should suspect that there is a problem with starter associated items including the starter circuit cutoff relay which should not be confused with the starter relay. I do agree it could mislead a diagnosis but when the engine is turning over and there's a #12 error code it's likely CPS related.
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

 

 
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