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1999 9300 abs issue

Discussion in 'International Forum' started by Rc1234, Mar 3, 2019.

  1. Mar 3, 2019 #1
    Rc1234

    Rc1234 Bobtail Member

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    May 31, 2018
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    It has bendix ABS system, and the ecu shows left front sensor fault...changed sensor, replaced some bad wiring, reset with magnet, and light stays on, same fault code...any suggestions?
     
    Rc1234, Mar 3, 2019
    Rc1234, Mar 3, 2019
    #1
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  3. Mar 3, 2019 #2
    Heavyd

    Heavyd Road Train Member

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    Sometimes they have to be driven over 5 mph so the ABS can see proper wheel speed. Left front sensor is at pins J1 and J2 of the ABS connector. This is where you need to measure your total circuit from. Sensors are about 900 to 1800 ohms in resistance and totally open to ground and power so no shorts of any kind, so this also needs to be measure at the ECU. So you probably have more wiring issues. ECU's do go bad, but that is rare and should only suspected after the wiring is confirmed good.
     
    Heavyd, Mar 3, 2019
    Heavyd, Mar 3, 2019
    #2
  4. Mar 3, 2019 #3
    Rc1234

    Rc1234 Bobtail Member

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    May 31, 2018
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    Sorry, I meant right front sensor...
     
    Rc1234, Mar 3, 2019
    Rc1234, Mar 3, 2019
    #3
  5. Mar 3, 2019 #4
    Heavyd

    Heavyd Road Train Member

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    H3 and H2.
     
    Heavyd, Mar 3, 2019
    Heavyd, Mar 3, 2019
    #4
    Rc1234 Thanks this.
  7. Mar 20, 2019 #5
    Rc1234

    Rc1234 Bobtail Member

    18
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    May 31, 2018
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    Nothing at h3 and h2, so more wiring issues as there is good reading along frame rail where there was a break in wiring...must be somewhere around crossmember area..haven’t had time to look further yet..
     
    Rc1234, Mar 20, 2019
    Rc1234, Mar 20, 2019
    #5
    Heavyd Thanks this.
  8. Sep 28, 2019 #6
    Rc1234

    Rc1234 Bobtail Member

    18
    4
    May 31, 2018
    0
    Finally found problem (last year)...found broken wires along frame rail near clutch linkage...working fine since..thanks all
     
    Rc1234, Sep 28, 2019
    Rc1234, Sep 28, 2019
    #6
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