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Prius Two - Add EV Mode button?

Discussion in 'Gen 3 Prius Technical Discussion' started by PriusTime, Feb 24, 2013.

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  1. PriusTime

    PriusTime Junior Member

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    Can an EV Mode button be easily added to a Prius One? If so - where do the wires connect to?
     
    #1 PriusTime, Feb 24, 2013
  2. BZzap!

    BZzap! Senior Member

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    Maybe I'm' misunderstanding your question but there is an EV button. It's on the console next to the ECO and POWER mode buttons. At least that's the case on my 2012.
     
    #2 BZzap!, Feb 24, 2013
  3. Corwyn

    Corwyn Energy Curmudgeon

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    If you mean a gen II prius (which would mean that this is in the wrong forum), Yes, you can add a button. Do a search on the forum to find more information than you could want.
     
    #3 Corwyn, Feb 24, 2013
  4. PriusTime

    PriusTime Junior Member

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    This is a 2012 Prius Two. Mine has a blank cover where the EV mode button would be next to eco and power mode buttons.
     
    #4 PriusTime, Feb 24, 2013
  5. El Dobro

    El Dobro A Member

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    You could probably add the switch, but you may also need the harness and some programming.
     
    #5 El Dobro, Feb 24, 2013
  6. PriusTime

    PriusTime Junior Member

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    Right - I'm looking for anybody who has done this that knows exactly what's needed. Where to wire the switch to or if anybody has even done it.
     
    #6 PriusTime, Feb 24, 2013
  7. Corwyn

    Corwyn Energy Curmudgeon

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    I would doubt that any programming is needed. As the Gen II US version has all programming intact, but no button (The European version has the button. EV mode in the Gen II basically consists of grounding a single pin. I wouldn't expect Toyota to remove the programming for a Model when they didn't for an entire country's cars.
     
    #7 Corwyn, Feb 24, 2013
  8. El Dobro

    El Dobro A Member

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    The easiest way to find out is to pull the console cover. If the harness has all three connectors, buy the switch and plug it in. If it works, great. If not, it's back to the drawing board.
     
    #8 El Dobro, Feb 24, 2013
  9. PriusTime

    PriusTime Junior Member

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    I am hoping it's the same in the Gen III. I searched but haven't seen anybody do it yet.
     
    #9 PriusTime, Feb 24, 2013
  10. The Dude

    The Dude Member

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    Don't understand how my 2010 II has an EV button, but not on your '12 two? That's odd...
     
    #10 The Dude, Feb 24, 2013
  11. PriusTime

    PriusTime Junior Member

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    I agree it's weird... First I thought it was only on Threes and up. I wonder what makes the distinction whether a car gets one or not in the first place?
     
    #11 PriusTime, Feb 24, 2013
  12. Jonny Zero

    Jonny Zero Giggidy

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    Sounds like you have an One, and not a Two. Do you have the Smart Key System?
     
    #12 Jonny Zero, Feb 24, 2013
  13. The Dude

    The Dude Member

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    Yes, does anyone know why? I thought it was on all gen IIIs
     
    #13 The Dude, Feb 24, 2013
  14. PriusTime

    PriusTime Junior Member

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    Yes, it has SKS. It's a Two.
     
    #14 PriusTime, Feb 24, 2013
  15. Jonny Zero

    Jonny Zero Giggidy

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    Just dug out the 2012 brochure I picked up when I bought my car, it shows EV, ECO, PWR are standard for Two to Five. Take it back to the dealer and ask. Maybe the guy on the assembly line did not get the correct Bill of Materials and built it partially to One spec.

    If they sold it to you as a Two, this should be a warranty item.
     
    #15 Jonny Zero, Feb 24, 2013
  16. El Dobro

    El Dobro A Member

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    I just looked at the 2013 brochure and it shows that all levels have the EV button.
     
    #16 El Dobro, Feb 24, 2013
  17. The Dude

    The Dude Member

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    It's just so freaking odd... If all Prii have the capability, why would they skimp out on a button and some wiring?
     
    #17 The Dude, Feb 24, 2013
  18. PriusTime

    PriusTime Junior Member

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    I doubt they'd give on it being a warranty issue. Might be on my own to figure this one out!
     
    #18 PriusTime, Feb 24, 2013
  19. El Dobro

    El Dobro A Member

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    Maybe it was built on a Monday morning or a Friday afternoon. :D
     
    #19 El Dobro, Feb 24, 2013
  20. The Dude

    The Dude Member

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    I really think you should ask the dealer. It could be an error like someone else said above.
     
    #20 The Dude, Feb 24, 2013
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