ABS light

Discussion in '2nd Gen - the new VMax' started by Maxman376, Aug 5, 2019.

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  1. Aug 5, 2019 #1

    Maxman376

    Maxman376

    Maxman376

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    I have a 2018 vmax with 18k on it. Lately the abs light will start flashing. I can turn off while going down road and reset. Light goes off and will stay out for 2 to 3 weeks then randomly come back on. Anybody had trouble with this problem.
     
  2. Aug 6, 2019 #2

    ShawnD

    ShawnD

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    From the service manual...

    THE ABS WARNING LIGHT FLASHES
    1. Check whether the T/C terminal (green/yellow) of the ABS test coupler is short-circuited to the
    ground when the test coupler adapter is removed.
    • If the T/C terminal is short-circuited to the ground, the wire harness is defective. Properly repair or
    replace the wire harness.
    ABS (ANTI-LOCK BRAKE SYSTEM)
    8-85
    • If the T/C terminal is not short-circuited to the ground, the internal circuit of the meter assembly 1 is
    defective. Replace the meter assembly 1.
     
  3. Aug 6, 2019 #3

    child_of_fire

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    Have you modified anything else on that bike?
     
  4. Aug 6, 2019 #4

    Itgoes

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    Do you have an aftermarket integrated tail light?
     
    Tony Strange likes this.
  5. Aug 11, 2019 #5

    Ukemax

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    Mine does this when I do alot of heavy braking. Once I restart the bike it goes away.
     
  6. Aug 16, 2019 #6

    KSMAX

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    I get this when I take off and the rear wheel burns out, resulting in a large difference in rear/front wheel rotation. Restart the bike and it's gone. Not much different that when you are on a dyno and the rear wheel is turning, but the front isn't. The ABS light blinks the entire time.
     
  7. Sep 11, 2019 #7

    shicks16

    shicks16

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    Out of curiosity why does this make a difference?
     
  8. Sep 11, 2019 #8

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    A common issue with the aftermarket integrated tail lights is that they cause intermittent ABS faults. The fix is to wire a resistor in the circuit. I've done it both of my Gen 2's.

    Not sure I have any documentation on the fix, I'd have to look when I get a chance.

    It's another one of those things that was "lost" when the other forum went down.
     
  9. Sep 12, 2019 #9

    Maxman376

    Maxman376

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    I have a integrated taillight but I tried the resistor and didn't work. Still to this day only happens about every 2 to 3 week's.
     
  10. Sep 12, 2019 #10

    shicks16

    shicks16

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    interesting, my ABS light has started flashing after some hard braking a couple times but just thought it was contributed to the hard braking. it might be linked to the integrated tail light i installed. Where does the resistor get wired? I'm assuming in parallel with the brake portion of the tail light? What size resistor?
     

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