'06 Speed Triple won't start
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  1. #1
    Noob! rbwilliams's Avatar
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    '06 Speed Triple won't start

    My '06 Speed Triple won't start. Here's the symptoms:

    Battery is good - a nice solid 12.6 V.
    Fuses all OK.
    Key in, kill switch ON.
    Lights and dashboard on, in neutral, side stand down.

    Press the start button - doesn't crank at all. I don't hear a starter relay click. There's nothing.

    This problem has got me stumped. Here's what I've done so far in trying to diagnose the problem:

    I decided to be methodical and test each little thing. I had the bike on the battery charger overnight. The battery has a nice solid 12.7 V across the terminals. BTW this is the original battery from 2006.

    1. I removed the starter relay. I connected 12V to pin 86 and ground to pin 85 of the relay - relay clicks - GOOD - relay is OK. The starter button normally supplies 12V to pin 86, and the ECU supplies the ground to pin 85.
    2. I checked the wire coming from the starter button. When I push the buttons, I get 12V as I should.
    3. I connected the relay terminal 87 to the wire going to the starter solenoid, and re-did the test abov3. Starter begins to turn - GOOD - starter and solenoid are OK.
    So the actual starting circuit is OK.

    Since there's 12V on pin 86 of the relay - the only reason that the relay is NOT switching is that the ground coming from the ECU is not present.
    4. I took the small connector off the ECU to test the inputs right into the ECU. As far as I can tell, there are two inputs to the ECU that affect the starting. The inputs must be grounded to make the ECU connect ground to pin 86 of the starter relay.
    5. the inputs are:
    clutch switch and side-stand switch
    There's also the fall-over switch, that is somehow added into the ECU equation, but it doesn't appear to work like the clutch & side stand switches. I'm not sure how to test this one.
    5. Here's where the trouble started. I have a Triumph factory manual - with the factory wiring diagrams. I bought the manual when I bought the bike. The diagrams are wrong.
    The wire colors and the pin-outs for the various devices are incorrect.

    It took quite a while to identify which pins on the ECU connector were connected to the inputs. In each case the switch supplies a ground connection to the ECU when the switch is in the position to start the bike. So, when the clutch lever is out, the wire coming into the switch is not connected to ground. When the lever is pulled in - like you're going to start the bike - the wire is connected to ground. I tested the side-stand, clutch and fall-over switches right at the input to the ECU. The neutral light is ON - so I presume that the ECU is getting the correct signal from the neutral switch.

    So, as far as I can tell, all the necessary inputs to the ECU are good. But the bike still doesn't crank. I don't want to think that my ECU is bad. [email protected]&^**!!!!!! Is the ECU very sensitive to battery voltage ? Is the 12.7 from my battery enough ? According to Yuasa web site, 12.6 is a normal fully charged battery
    http://www.yuasabatteries.com/motor_battery.php

    At this point, any suggestions would be welcome.

    thanks.

  2. #2
    The "Friends" of Officer Frank Poncherello trippeee's Avatar
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    Re: '06 Speed Triple won't start

    There have been lots of issues with the clutch lever switch. Not sure how you checked it, but that is a prime suspect here.
    Those guys are fags!

  3. #3
    The "Friends" of Officer Frank Poncherello protege83's Avatar
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    Re: '06 Speed Triple won't start

    you must be an engineer.
    "Laid it down" sounds so much gentler than "crashed horrifically"...almost as if he was tucking it into a cozy warm bed.
    "you forgot the best part....being able to lick your own genitals." -Chewie

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  5. #4
    The "Friends" of Officer Frank Poncherello Avi8or's Avatar
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    Re: '06 Speed Triple won't start

    The fall over switch is just that. It should work in a horizontal position and not work in a vertical position.
    Take it off the bike, check for continuity in horizontal and then vertical position. They should not be similar.
    Check also ground on engine (from battery).

  6. #5
    The "Friends" of Officer Frank Poncherello trippeee's Avatar
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    Re: '06 Speed Triple won't start

    Quote Originally Posted by Wile-boar!
    you must be an engineer.


    Dozens and dozens of switches, relays, circuit breakers, etc. to get just one engine started on these old ****ers.

    Those guys are fags!

  7. #6
    The "Friends" of Officer Frank Poncherello Chewie.'s Avatar
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    Re: '06 Speed Triple won't start

    ^ not much good for a quick getaway then Trip..?
    John







    "I haven't shot anybody since 1992...and even then I didn't do it!" - Mark 'Chopper' Read

  8. #7
    The "Friends" of Officer Frank Poncherello trippeee's Avatar
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    Re: '06 Speed Triple won't start

    No, it's not a jump in it and go plane.

    We called it the flying Winnebago. Great for you and 20 of your closest friends to go on a 'round the world walkabout. Hopefully you're in Thailand, Australia, Sweden, etc. when you break down.
    Those guys are fags!

  9. #8
    The "Friends" of Officer Frank Poncherello crashmasterd's Avatar
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    Re: '06 Speed Triple won't start

    And incidentally, 12.6 volts from the battery is nowhere near "solid". It should be over 13 volts at least. Probably 13.3 or so.
    Quote Originally Posted by Bad Santa 1050 View Post
    Just when you think it can't get worse, Crash comes along and informs you that not only is the glass not half full, but it is stolen and contains a mix of horse semen, urine, laxative and viagra, right after you swallowed a mouthful...
    Quote Originally Posted by Joe Houle View Post
    ...no ink and going baconless on your bacon cheeseburger is about the most rebelious thing you can do these days.

  10. #9
    Noob! rbwilliams's Avatar
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    Re: '06 Speed Triple won't start

    Quote Originally Posted by Crashmasterd
    And incidentally, 12.6 volts from the battery is nowhere near "solid". It should be over 13 volts at least. Probably 13.3 or so.
    This is incorrect. In order to measure whether a battery is OK, you must do so when the battery is disconnected from the wiring. A 100% fully charged battery then will show 12.6 volts - maybe a bit more, but definitely NOT more than 12.8.

    See here:
    http://www.yuasabatteries.com/faqs.php?action=1&id=30

    The chemistry of a lead acid battery gives 2.1 Volts per cell. There are 6 cells, ..... 2.1 x 6 = 12.6

    If you measure the voltage at the battery when the bike is running, then you're likely to see over 14 V. This is because the charging circuit will overcharge on the voltage. It doesn't matter how much you'd like to see more than 12.6 V, it ain't gonna happen. The chemistry of the battery just wont do it.

  11. #10
    The "Friends" of Officer Frank Poncherello Jaket's Avatar
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    Re: '06 Speed Triple won't start

    do you have alarm? is the alarm plug there?

    you can probably measure is the ecu grounding out the starter relay or not.

    how did the problem start? did you do something?

    I had problem with lights, it was cut wire in ignition switch. check the 'pinched wires' thread, if there was cut power wire to ignition switch, I bet it would not start.
    http://corecatcher.wordpress.com/ <-- all my Triumph maintenance articles are here.

    2005 1050. black fat bars, hugger, frame protectors, headlight fairing. Motech Alu-rack. Smoothed TB's. MIVV GP carbon, headers smoothed/ported, precat removed, Modified Arrow tune. Sargent seat. GSG-moto generator- & front axl sliders. Frame sliders. GSX-R brakes with 1000RR master cylinder. Iridum 8's plugs and running mobil 4t racing 15w-50 oil & Motul RBF600 brake fluid. Mosfet regulator.

 

 
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