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2011 Prius Electronic Display (Speed, Odometer, Gas, etc) doesn’t work

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Oligarx, Aug 4, 2017.

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  1. Oligarx

    Oligarx New Member

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    I'm new here....
    I got 2011 Prius and Electronic Display where it shows Speed, Gas etc doesn't work.
    When I put my fingers on the buttons on steering wheel it lights up, also if I push eco/power mode those lights are on ... But speed, gas are off....

    Screen where it shows Hybrid Battery powering and mileage works fine...
    I tried to see if lights are dimmed and turned it all the way up, till it clicked (turned on) didn't help.Even lights inside the car didn't turn on...
    I'm confused...

    Couldn't find recall or TSB.

    What might be the problem?

    Thank you.
     
    #1 Oligarx, Aug 4, 2017
  2. tankyuong

    tankyuong Senior Member

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    12v battery
     
    #2 tankyuong, Aug 4, 2017
  3. JET7586

    JET7586 Junior Member

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    #3 JET7586, Aug 4, 2017
  4. Oligarx

    Oligarx New Member

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    Car starts without problem, even if I don't drive it for few days.
    do you think I should replace 12V Battery?

    Thank you
     
    #4 Oligarx, Aug 4, 2017
  5. Oligarx

    Oligarx New Member

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    That's not the case..

    Here is what I see on my dash:
     

    Attached Files:

    #5 Oligarx, Aug 4, 2017
  6. JET7586

    JET7586 Junior Member

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    Then I agree with tankyoung, it is probably your 12v aux battery.

    Have you tried disconnecting the 12v battery and let it sit for about a minute, then reconnect it?

    I had a similar problem with my 2008 Prius

    SM-G955U using PriusChat mobile app
     
    #6 JET7586, Aug 4, 2017
  7. bisco

    bisco cookie crumbler

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    try testing it first. is it original?
     
    #7 bisco, Aug 4, 2017
  8. Oligarx

    Oligarx New Member

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    I disconnected it for an hour, it didn't help.
    how do I check if it is battery or not?
    Looks like it's original battery.

    Could it be fuse?

    Thank you.
     
    #8 Oligarx, Aug 5, 2017
  9. JET7586

    JET7586 Junior Member

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    You'll have to take it to an auto parts store like Pep Boys or Auto Zone

    Posted via the PriusChat mobile app.
     
    #9 JET7586, Aug 5, 2017
  10. NutzAboutBolts

    NutzAboutBolts Senior Member

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    I'm going to guess its a bad combination meter. If the10amp fuse is blown, the display would've gone out. the ECU controls the combination meter, and that rarely goes bad. I would bring it to the dealer and have them diagnose it if no one can guess what it is on here. Hopefully it's still under warranty, or if there is a TSB for this issue.

    here's the attached file (thanks to Mendel :D), hopefully this helps.
     

    Attached Files:

    #10 NutzAboutBolts, Aug 5, 2017
    Last edited: Aug 5, 2017
  11. Oligarx

    Oligarx New Member

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    Took it Advanced Auto Parts. My 12V Battery is good.

    Which fuse is that? I want to check the fuse, before going to dealer...

    Thank you guys.
     
    #11 Oligarx, Aug 11, 2017
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  12. NutzAboutBolts

    NutzAboutBolts Senior Member

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    It's the one where the blue wire comes out from. It doesn't say on the file but check under the driver kick panel.
     
    #12 NutzAboutBolts, Aug 11, 2017
  13. Oligarx

    Oligarx New Member

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    Couldn't find which one and took a picture of it...
    Searched the web for diagram, looks like something is missing...
     

    Attached Files:

    #13 Oligarx, Aug 14, 2017
  14. NutzAboutBolts

    NutzAboutBolts Senior Member

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    Check all the 10amps, on the cover, it will display what each fuse is for. If none of the fuse are burnt, it's the display then...
     
    #14 NutzAboutBolts, Aug 14, 2017
  15. Nima psn

    Nima psn Junior Member

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    I have 2010 prius and the same problem as you mentioned above with the speeedometer, would you mind if I ask how you fixed it?
     
    #15 Nima psn, Nov 22, 2017
  16. bisco

    bisco cookie crumbler

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    have you checked the 12v and fuse?
     
    #16 bisco, Nov 22, 2017
  17. Nima psn

    Nima psn Junior Member

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    I put the new 12v battery one month ago but I don't know which fuse is related to!
    I checked the fuse box inside the hood and there were be ok.
     
    #17 Nima psn, Nov 22, 2017
  18. bisco

    bisco cookie crumbler

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    i don't either. i think there is also a fuse box by the drivers left foot? maybe something came loose behind the display, or, it could be defective.
     
    #18 bisco, Nov 22, 2017
  19. Nima psn

    Nima psn Junior Member

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    Thanks,I will check them.
     
    #19 Nima psn, Nov 22, 2017
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  20. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Test it. Much better than relying on an internet opinion poll.

    Either do it yourself, at the least a rudimentary check of voltage with a multi meter, or more comprehensive assessment with something like Solar BA5. Or check with battery retailers: they should have pro-level electronic battery testers, can determin it's voltage, Cold Cranking Amps, and a verdict. Dealership can do similar test, but will charge $75+ I think.
     
    #20 Mendel Leisk, Nov 22, 2017
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