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ABS Light won't shut off

Discussion in 'Technical Chat' started by TAKoma907, Feb 23, 2013.

  1. TAKoma907

    TAKoma907 [OP] Well-Known Member

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    I just changed my wheel bearings and front brakes and now my ABS light is on constantly. My ABS also is no longer functioning as I now easily lock up my brakes on ice. Is this just an issue where I have to reset something? Any ideas?
     
  2. SGT Taco

    SGT Taco Disco Disco...

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    Probably put too much tension on one of the speed sensor wires...
     
  3. SGT Taco

    SGT Taco Disco Disco...

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    Wife rolled it 3x mod...
    Just have a shop or parts store read the OBD to tell u what one. It's an easy replacement, but they cost $75+...
     
  4. TAKoma907

    TAKoma907 [OP] Well-Known Member

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    Alright, I'll try and find a friend with an OBD reader. I was hoping I could reset it like the Maint Req light. Although, not having ABS is kinda fun.
     
  5. NelsonTacoma

    NelsonTacoma This is my derpawayinator!!!!!

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    Try this. No scanner needed

     
  6. TAKoma907

    TAKoma907 [OP] Well-Known Member

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    THANK YOU!!
     
  7. tostidos

    tostidos Well-Known Member

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    whatever you did explain it, because alot of people would like to know how to disbale ABS lol.
     
  8. TAKoma907

    TAKoma907 [OP] Well-Known Member

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    Just let me change your wheelbearings haha. Im actually thinking about leaving it off. The truck stops better, even on ice.
     
  9. SGT Taco

    SGT Taco Disco Disco...

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    Do the abs kill switch mod...
    Also you can try to rewire the speed sensor that is broken, I did it on a camery. Just cut the wire just above the sensor and just below the plug. Then usr some 18/2 wire and solder in place. Tape well and cover with some split loom for protection.
     
  10. Spoonman

    Spoonman Granite Guru

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    OBD II scanners don't read abs codes. You'll need toyota or equivalent software.

    Is the wheel sensor plugged it? (On the bearing you replaced)
     
  11. MJonAgs32

    MJonAgs32 asphinctersayswhat?

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    Is that the OBD II harness? Or is that something else?
     
  12. Brandoaz

    Brandoaz Member

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    Im trying to diagnose an issue form this thread...
    http://www.tacomaworld.com/forum/te...ke-light-after-tire-blow-out.html#post6970128
    but came across the chart you posted:
    I jumped the OBDII and it gave me
    34
    41
    sound like left rear (34)
    and a battery issue? ( 41)
    BUT, in the chart there is an * that says, even after repair a certain procedure must be followed to reset the ABS light.
    What procedure is that?

    Also is there a way to turn of the ABS/Brake light on the dashboard?
     
  13. NelsonTacoma

    NelsonTacoma This is my derpawayinator!!!!!

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    The *1 just means you need to fix the problem & the system should self clear the code. The system automatically checks for issues when you first turn the key on, if there are no issues the light will stay off. Another way to possibly ensure that the codes are cleared is to disconnect the battery for 30 mins so the computers completely shut down and lose all memory (this doesn't always work though). Sometimes you have to drive it a few miles to get it to clear too, depending upon the code the system sometimes wants to see wheel speed data to verify repair as well.

    To me it seems you need the left rear wheel speed sensor (possibly) and a new battery (possibly). I would start with the sensor & go from there.

    There is no way to turn off the abs light other than to fix the problem. The light is there to indicate a failure in the system.
     
  14. Brandoaz

    Brandoaz Member

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    i pulled the sensor( much easier to unbolt it , then remove it from the wiring harness).
    Sensor was covered in light colored grease ( very clean).
    Wiped it anyway, did not attempt to insert anything into the sensor opening.
    cleaned all contacts on sensor and plug( didnt really seem dirty).
    reassembled.
    Lights remain on.
    Reset of tapping brake peddle 8 times in 5 seconds doesn't do anything.
    Is there any way to check functionality of sensor with a meter?
    What about wiring?

    Is this something that will reset immediately or take a few miles IF something was fixed?
     
  15. Spoonman

    Spoonman Granite Guru

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    You'd need to fix the sensor then clear the abs code with a real scanner. Not an OBD II handheld. Toyota or equivalent software.
     
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