My prius 2012 won’t turn on

Discussion in 'Gen 3 Prius Main Forum' started by Mohammedzayi, Jun 8, 2018.

  1. Mohammedzayi

    Mohammedzayi Junior Member

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    I have a toyota prius 2012 gen 3
    The car was good for 2 years
    Recently i got a message “ check hybrid system “ on my dash
    And a abs light and a slip light
    Sometimes the wheel light
    Yesterday i changed the tires and when i was trying to turn o. The car the car won’t turn on
    No ready light
    And all the light come on my dash
    So i open the hybrid the check if the cell is good
    All the celles are more than 7.71
    I checked the 12 v battery is 12.5
    I checked the fuse everything seems ok
    Im confused now
    Helps please
     
  2. Mendel Leisk

    Mendel Leisk Sand Pounder

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    Maybe the "service plug grip" (orange/red safety disconnect on right side of battery) needs to be pushed to the right?

    How many miles on it; it's out of warranty?
     
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  3. Johnny Cakes

    Johnny Cakes Senior Member

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    Not to hijack this thread, but I have never heard of this nor seen it (although I haven't looked). Is it readily accessible? Would it be an effective theft deterrent for long-term parking/storage?
     
  4. Mohammedzayi

    Mohammedzayi Junior Member

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    I checked again the safty plug , but it’s plugged correctly
     
  5. KeinoDoggy

    KeinoDoggy Member

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  6. Mohammedzayi

    Mohammedzayi Junior Member

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    170,000 miles
     
  7. Mohammedzayi

    Mohammedzayi Junior Member

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    Thank you keinodoggy the car is on now
    But i still have the abs light and the traction light
    What i have to do now ?
     
  8. bisco

    bisco cookie crumbler

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    have the trouble codes read.
     
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  9. Mohammedzayi

    Mohammedzayi Junior Member

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  10. Mohammedzayi

    Mohammedzayi Junior Member

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  11. Mendel Leisk

    Mendel Leisk Sand Pounder

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    Answer this question:

    In or out of warranty, this is what you have to do:

     
  12. Grit

    Grit Senior Member

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    See post #4, follow it. Come back here with the code(s), Mendel Leisk will be able to assist what your options are next to fix the issue(s).

    Without following post #4, you will not receive an answer to fix the issue.
     
  13. Andyprius1

    Andyprius1 Senior Member

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    Try rebooting ignition ready and 12V at least twice.
     
  14. bisco

    bisco cookie crumbler

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    clean the battery cooling fan and intake grille.
     
  15. Mohammedzayi

    Mohammedzayi Junior Member

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    How ?

    Where’s located?
     
    #15 Mohammedzayi, Jun 9, 2018
    Last edited by a moderator: Jun 18, 2018
  16. bisco

    bisco cookie crumbler

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    grille is in the rear seat, and the fan duct is accessible through the rear floorboards.
    check youtube for a video.
     
  17. Mendel Leisk

    Mendel Leisk Sand Pounder

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    Here's the video. One comment: you don't need to remove rear seat; just push the seat cushion and back apart, reach in with a 12 mm socket on a 6" (or longer) extension, to remove the one bolt. Be careful not to drop it though.
     
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  18. Andyprius1

    Andyprius1 Senior Member

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    Just like you reboot a computer. Disconnect the Positive on the 12V, say for a minute, then reconnect well. The only reason I say the positive is that it’s safer. With the negative in your hand it’s easy to accidentally ground it out anywhere.
    Do the same with the power switch. This allows all the associated computers to reestablish or realign all the computers in the car. You may have to do this 2-3times. Easy to do. Cost nothing and
    sometimes fixes.
     
    #18 Andyprius1, Jun 9, 2018
    Last edited: Jun 9, 2018
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  19. Mendel Leisk

    Mendel Leisk Sand Pounder

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    That's the opposite of what I've always heard and done, but don't ask me why. I've just always heard you should be disconnecting the negative?
     
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  20. fuzzy1

    fuzzy1 Senior Member

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    Accidentally grounding the negative (on systems with negative grounds, which is almost everything these days, as positive ground systems are mostly antiques now) should not be a hazard. It just means having to restart your clock for the amount of time you plan to have power disconnected.

    Accidentally grounding a wrench or other tool being used on the positive battery terminal or cable is a hazard. I've witnessed plenty of sparks from someone else doing it, and heard stories from others about metal watch bands and wedding rings getting hot real fast when they became part of the accidental grounding path.
     
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