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Thread: wheel speed issue.

  1. 4th February 2009, 05:10 PM #21
    Quarks's Avatar
    Quarks
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    Well, if Nanocom say it's all right, then I'm scratching my head!

    I just did a moving test in the driveway with the Nanocom talking to the ABS computer.
    I noted that all 4 sensor voltages were similar (within about .1 V of each other); both stationary and when moving.
    At stationary, I had 3 wheels on 1.7km/h and one at 404.8km/h; then when moving, 3 wheels were doing 2.7km/h and the fourth was doing 396km/h!
    (And I hadn't disabled TC; so I wasn't doing either!)

    So I suspect that the speed may be a miscalculation in converting the sensor volts/frequency into km/h.


    Geoff
    Last edited by Quarks; 5th February 2009 at 08:16 AM. Reason: missed a digit in the speed
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  2. 4th February 2009, 06:56 PM #22
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    which wheel sensor was it that had the high reading geoff?

    cheers phil
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  3. 4th February 2009, 08:04 PM #23
    Graeme
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    Quote Originally Posted by thethink View Post
    ... over the minimum detectable speed (about 2.5km/h from memory).
    Whilst the D2 speedo wont show lesser speeds, the ABS ecu generates a distance/speed pulse for every 200mm travelled plus a 1hz base pulse.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
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  4. 5th February 2009, 08:07 AM #24
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    Quote Originally Posted by discowhite View Post
    which wheel sensor was it that had the high reading geoff?

    cheers phil
    Left hand rear wheel. Same one as yours.

    Are you running firmware 2.03 on the Nanocom?


    Geoff
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  5. 5th February 2009, 02:15 PM #25
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    yep all up to date and 2.03..

    cheers phil
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