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abs problem

Discussion in '1st Gen. Tacomas (1995-2004)' started by coganhagen01, Mar 25, 2012.

  1. Mar 25, 2012 at 6:20 PM
    #1
    coganhagen01

    coganhagen01 [OP] Well-Known Member

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    I have 2000 model tacoma the abs light is on. Sometimes going down road light will go out and press pedal and abs goes crazy then light comes on. I checked codes with scanner it has codes 31-32-44. Checked resistance in senors it checked out ok.looked at wires looked ok. Tryed to erase code stays on and disconnect battery stays on. I dont think both abs sensors would be bad. And the code 44 is deceleration senor . Does anyone know what is wrong with it or where to check or what to check to find out for sure! Maybe the abs ecu. Thanks for help.
     
  2. Mar 25, 2012 at 8:18 PM
    #2
    Robertgeejr1

    Robertgeejr1 Well-Known Member

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    I have done all the hi-pro mods for a life time, since I got this truck at a great price, I will be happy with showroom new.
    I can't say this would apply to the tacoma but years ago when I got my first abs brake car, after a few years, after a very wet winter, and my ignorance, my ABS light came one morning and I freaked and went to the stealership..stupid.. after several hundred dollars were lifted from my wallet the stealership told me its the brake fluid,more money, we flushed it for you. since then its something I don't miss.
    not saying you have not flushed them, its just important to do it before the fluid get really black, since brake fluid absorbs the moisture and dirt that builds up in the brake lines and that is what can set off the ABS sensor.
     
  3. Mar 25, 2012 at 8:54 PM
    #3
    TacomaJPP

    TacomaJPP To secure peace, is to prepare for war

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    I tend to agree with RobertG.

    Brake fluid is hygroscropic (absorbs moisture) and this tends to be the death of brake system components. I flush my fluid every other year. Start cheap and try that.

    Have you ever flushed yours? What color is your brake fluid?
     
  4. Mar 26, 2012 at 2:43 AM
    #4
    coganhagen01

    coganhagen01 [OP] Well-Known Member

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    Its looks reasonable clean. I will put that on my list to check.
     
  5. Mar 26, 2012 at 2:48 AM
    #5
    coganhagen01

    coganhagen01 [OP] Well-Known Member

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    Lift, working on gears and lockers, and finding parts im missing!
    On my sensor isnt in contact with fluid. It reads the teeth on the cv axle or rotor i havent took it off yet to see whereor it is attached to , but itu is all wiring to abs ecu.
     
  6. Mar 26, 2012 at 6:13 AM
    #6
    4WD

    4WD cRaZy oLdmAn

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    Grey wire MOD, deck plate, diff breather MOD, 2nd gen. OME 883# on Tundra 5100's, OMD custom 3" leafsprings, rear shock relocation, Ivan Stewart TRD rims w/285/75/16's, '02 bumper MOD, Famous Fabrications sliders , LED interior/exterior lights, bed bar, Custom tube bumper, Old school KC day lighters,Red Ring 8" HID flood, Kenwood vhf 2M.. umm some other shit I'm forgetting right now
    The biggest problem with ABS is having it, but its just-so-fucking-stupid

    I mean unless you live on a glacier where almost all your stops/braking result in multiple 360 degree spin-outs.. disable it .. (not really, I would do it but wouldn't advise anyone else to ) I mean who says " I want a brake system that refuses to stop me until I hit something."

    Sorry OP I don't have an answer, just saw ABS & had to rant.......thnx...;):cool:
     
  7. Mar 26, 2012 at 9:50 AM
    #7
    MowTaco

    MowTaco Well-Known Member

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    There's a connector for the sensor mounted to the top of the frame right behind the fender liner for your sensors... just follow the wires. Mine were pretty dirty when I changed my sensors, that could be a culprit.
     
  8. Mar 26, 2012 at 9:59 AM
    #8
    coganhagen01

    coganhagen01 [OP] Well-Known Member

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    Thanks mowtaco i will check that. On passenger side rite by washer bottle?
     
  9. Mar 26, 2012 at 10:46 AM
    #9
    skytower

    skytower Well-Known Member

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    Check the tone wheel for each wheel speed sensor for lost teeth and that they are solidly mounted. A loose tone wheel will cause intermittant problems. Check the wiring for chafing and grounds. Make sure the sensor and tone wheel are free from metallic gunk.
     
  10. Mar 26, 2012 at 12:06 PM
    #10
    MowTaco

    MowTaco Well-Known Member

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    It's pretty much straight behind the wheel mounted to the top of the frame on both sides. You have to un-button the fender liner to get to it. It's gray in color.
     
  11. Mar 26, 2012 at 5:17 PM
    #11
    coganhagen01

    coganhagen01 [OP] Well-Known Member

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    Has anyone tested a deceleration sensor before i dont think im doing it rite?
     
  12. May 30, 2012 at 4:41 PM
    #12
    coganhagen01

    coganhagen01 [OP] Well-Known Member

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    Replaced abs pump ecu from junk yard. Stil didn't fix abs light. Same codes. Idk what to do please help!!!
     
  13. May 30, 2012 at 6:54 PM
    #13
    skytower

    skytower Well-Known Member

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    Start checking the wiring for faults.
     
  14. May 30, 2012 at 7:01 PM
    #14
    skytower

    skytower Well-Known Member

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    Changing parts as a method of troubleshooting is a very expensive.
     
  15. May 31, 2012 at 3:43 AM
    #15
    coganhagen01

    coganhagen01 [OP] Well-Known Member

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    Yes sir i know. Thats why i did tests on Mitchell for problem and it checked out to say abs pump ecu wss bad. I tested decel sensor and front spend sensors, checked toner wheels. Yes i believe it is in wiring but don't know where.got a wiring diagram from Mitchell but i feel like it a 100% true. I see tons of people with same problem but dont know how to fix. Thats why i been trying to get help on here so me and other people dont waste our money and solve the problem. Thanks
     
  16. May 31, 2012 at 4:39 AM
    #16
    skytower

    skytower Well-Known Member

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    I didn't see any posts about what you had tested. I Ass-u-me-d:facepalm:
     
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