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HELP Please - 2005 Prius

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Dr_DLH, Jun 21, 2017.

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  1. Dr_DLH

    Dr_DLH Member

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    My wife was driving our prius the other day to drop off our son at school. Just before she turned the car of she heard it beeping. She thought it was the seatbelt but wasnt for sure. When she got back in the car it wouldnt start... the lights come on the dash but nothing.. I had to go pick her up and take her home. That evening I was able to get it going but three lights were on the dash and another Red light on the upper left hand corner of the LCD screen for the GPS. I have attached a picture. I went home, removed the 12v battery and seen that it was at 12.20v which should be over 12.5v. I charged it up placed it back in the car. Started up and drove it. Noticed no lights on and seen that the hybrid battery was only on one bar, very low. So I drove it around until it got up to 80% then parked it. Last night I checked the 12v and it was at 12.57v this morning I checked it and it was at 12.54v. still good. I started it up this morning and was going to drive it to work to see if I get any more issues but all the lights came back on.. ugh.. I am so confused.. also my hybrid battery is at 1 bar again.. is it my hybrid battery? I dont know.. anyone else have this issue? IMG_5713.JPG
     
    #1 Dr_DLH, Jun 21, 2017
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  2. JC91006

    JC91006 Senior Member

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    You need to get the codes read. It's the only way to know for certain the issue without guessing. If your hv battery is from 2005, it can be an issue but looking at your lights, it may not be the battery
     
    #2 JC91006, Jun 21, 2017
  3. Dr_DLH

    Dr_DLH Member

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    Thank you, just wish I could afford a good scanner tool, have one for newer cars but not this one.
     
    #3 Dr_DLH, Jun 21, 2017
  4. JC91006

    JC91006 Senior Member

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    You can buy a mini vci cable with techstream on Amazon for about $25. Runs of a computer. That's read all your prius codes.

    Or maybe a member can help you read the codes
     
    #4 JC91006, Jun 21, 2017
  5. gta_

    gta_ Active Member

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    I second the mini-vci. Where in Cali are you?
     
    #5 gta_, Jun 21, 2017
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  6. Dr_DLH

    Dr_DLH Member

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    In Bakersfield, I was just looking on ebay for the cable and software. Thanks.. Just wish I had it today.. I hate being broke down.. LOL
     
    #6 Dr_DLH, Jun 21, 2017
  7. Dr_DLH

    Dr_DLH Member

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    Well my wife is broke down but she is driving my Prius now.. LOL she actually wants a new one now.. Ugh..
     
    #7 Dr_DLH, Jun 21, 2017
  8. JC91006

    JC91006 Senior Member

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    A common failure is the inverter pump, replacement is about every 100k miles
     
    #8 JC91006, Jun 21, 2017
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  9. Dr_DLH

    Dr_DLH Member

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    I read up on that too but with the start button on its flowing pretty good.
     
    #9 Dr_DLH, Jun 21, 2017
  10. Dr_DLH

    Dr_DLH Member

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    Why would the Hybrid battery drain over night..? nothing was on in the car?
     
    #10 Dr_DLH, Jun 21, 2017
  11. JC91006

    JC91006 Senior Member

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    Self discharge of a weak or failing cell. It's 12 years old.

    The lights you're showing doesn't seem to point to that. There should be more lights
     
    #11 JC91006, Jun 21, 2017
  12. Dr_DLH

    Dr_DLH Member

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    hmmm. a buddy of mine said the hybrid battery is warrantied for 150k not matter how old it is.. I wonder if thats true?
     
    #12 Dr_DLH, Jun 21, 2017
  13. JC91006

    JC91006 Senior Member

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    You have a 10 year / 150k miles warranty on it in California. 8 years elsewhere
     
    #13 JC91006, Jun 21, 2017
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  14. bisco

    bisco cookie crumbler

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    if it turns out to be the hybrid battery, call toyota and ask for goodwill assistance. it never hurts to try.
     
    #14 bisco, Jun 21, 2017
  15. Dr_DLH

    Dr_DLH Member

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    whats goodwill assistance?
     
    #15 Dr_DLH, Jun 21, 2017
  16. Dr_DLH

    Dr_DLH Member

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    So you are saying its out of warranty?
     
    #16 Dr_DLH, Jun 21, 2017
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  17. Dr_DLH

    Dr_DLH Member

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    I dont have the vehicle with me but does anyone know how many pins in the OBDII connector the 2005 Prius has?
     
    #17 Dr_DLH, Jun 21, 2017
  18. JC91006

    JC91006 Senior Member

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    All the newer cars should have the same connector (2000+) I think
     
    #18 JC91006, Jun 21, 2017
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  19. dolj

    dolj Senior Member

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    16 pins, standard OBDII port.
     
    #19 dolj, Jun 22, 2017
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  20. Dr_DLH

    Dr_DLH Member

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    ok, so I had a customer that is a Toyota hybrid tech, he came over last night and scanned my prius. Found that everything on the hybrid system is running perfect, individual cells on the hybrid battery was showing excellent. He said it pointed towards my 12v battery. So today I am picking one up and hopefully that will resolve my issue. I just replaced it 6 years ago in July. The battery I have is from Toyota and comes with a 7 year warranty were the first two years is covered fully and the last 5 years prorated.. Well I called Toyota and They don't keep customer data longer than two years and are unable to look up my receipt for the battery... bummer as I couldn't find it either. Code stamp on the battery shows July 20th 2011 but still they cant do any returns without a receipt. ugh.
     
    #20 Dr_DLH, Jun 22, 2017
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