1. Attachments are working again! Check out this thread for more details and to report any other bugs.

Replaced 12volt battery, but still not running

Discussion in 'Gen 2 Prius Technical Discussion' started by beribets, Dec 8, 2014.

  1. beribets

    beribets New Member

    Joined:
    Dec 8, 2014
    6
    0
    0
    Location:
    Aurora, CO
    Vehicle:
    2007 Prius
    Model:
    N/A
    My 2007 Prius suddenly lost power and all lights on the dash board light up. I had a "problem" error as well. Eventually a message came up stating there was a transmission P lock mechanism problem. Long story short, realized the 12volt was dead and replaced it. However, the car is still not running after replacing the battery. It went once around the block fine, and then the same thing happened with all the lights (check engine, VSC, break system, and !) and P lock mechanism warning. Disconnected the battery for 15 minutes and tried again. No luck. Before having it towed to the shop, was wondering if there is some other DIY trouble shooting I can do. I've read several posts about fuses and bad combo meters. Thanks!
     
    #1 beribets, Dec 8, 2014
  2. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    107,693
    48,944
    0
    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    could be you didn't tighten the battery terminals enough, the negative to body should be checked, and you should test the battery, new ones don't mean good ones. if that doesn't do it, go to auto zone and have them pull the dtc's.
     
    #2 bisco, Dec 8, 2014
  3. beribets

    beribets New Member

    Joined:
    Dec 8, 2014
    6
    0
    0
    Location:
    Aurora, CO
    Vehicle:
    2007 Prius
    Model:
    N/A
    Would you suggest taking it back to where it was purchased to have it checked?
     
    #3 beribets, Dec 8, 2014
  4. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    107,693
    48,944
    0
    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    either that, or buy a digital volt meter for ten dollars or so. how did you figure out the old one was bad?
     
    #4 bisco, Dec 8, 2014
    edthefox5 likes this.
  5. edthefox5

    edthefox5 Senior Member

    Joined:
    Jul 25, 2007
    10,096
    4,795
    0
    Location:
    Clearwater, Florida
    Vehicle:
    2007 Prius
    Model:
    Two
    Welcome to PC!

    Like Bisco says get a volt meter and measure across the front under hood jump points. Or...Quick test is turn on the headlights. No headlights or really dim the 12 is bad again.

    Whats the deal on the car? Is it a salvage title perhaps? Mileage?
     
    #5 edthefox5, Dec 8, 2014
  6. beribets

    beribets New Member

    Joined:
    Dec 8, 2014
    6
    0
    0
    Location:
    Aurora, CO
    Vehicle:
    2007 Prius
    Model:
    N/A
    From under the hood? The battery is located in the trunk. Bought used 3 years ago from Toyota dealership. No problems until now. Mileage is 90,000.

    Lights do come on. The car does actually "turn on" but all warning lights are on and it won't even let you put it in neutral. We took the old battery and it was completely dead. Thought this new one would solve the problem.
     
    #6 beribets, Dec 8, 2014
  7. edthefox5

    edthefox5 Senior Member

    Joined:
    Jul 25, 2007
    10,096
    4,795
    0
    Location:
    Clearwater, Florida
    Vehicle:
    2007 Prius
    Model:
    Two
    Yes under the hood. These are jump start points. On right side is black plastic fuse box. Take cover off. Little red plastic cover. Flips up. Reveals a little metal L bracket thats bolted down. That L bracket is connected to the 12 positive post on the battery in the hatch. You attach your + jump cable clamp to that L bracket. Use the bolt head right above the box thats bolted to the strut as the - ground clamp connection.

    Its in the owners manual.

    You of course can measure the battery 12 there.
     
    #7 edthefox5, Dec 8, 2014
    uart likes this.
  8. The Electric Me

    The Electric Me Go Speed Go!

    Joined:
    May 22, 2009
    9,083
    5,796
    0
    Location:
    Undisclosed Location
    Vehicle:
    Other Non-Hybrid
    Model:
    N/A
    Hmm...
    I suppose the obvious is that perhaps the original codes and problem wasn't related to your 12 volt battery. Perhaps the transmission P lock mechanism problem is actually a Transmission P Lock mechanism problem?

    The battery could be of been unnecessary or coincidence.

    The first step that you are at now, IS determining that your new battery is good, and installed correctly.

    Then if that checks out? You're back at square one, with "codes" and a problem.

    Guess your best hope is that it was the battery, and again IS the battery.
     
    #8 The Electric Me, Dec 8, 2014
  9. beribets

    beribets New Member

    Joined:
    Dec 8, 2014
    6
    0
    0
    Location:
    Aurora, CO
    Vehicle:
    2007 Prius
    Model:
    N/A
    Thanks, didn't know that. We've jumped it before, so I know the front technique.
     
    #9 beribets, Dec 8, 2014
  10. edthefox5

    edthefox5 Senior Member

    Joined:
    Jul 25, 2007
    10,096
    4,795
    0
    Location:
    Clearwater, Florida
    Vehicle:
    2007 Prius
    Model:
    Two
    Ok so you have used these jump points already?
     
    #10 edthefox5, Dec 8, 2014
  11. beribets

    beribets New Member

    Joined:
    Dec 8, 2014
    6
    0
    0
    Location:
    Aurora, CO
    Vehicle:
    2007 Prius
    Model:
    N/A
    Yes, just weird that it would be multiple problems occurring simultaneously. Just my luck, eh
     
    #11 beribets, Dec 8, 2014
  12. beribets

    beribets New Member

    Joined:
    Dec 8, 2014
    6
    0
    0
    Location:
    Aurora, CO
    Vehicle:
    2007 Prius
    Model:
    N/A
    Yeah, I have.
     
    #12 beribets, Dec 8, 2014
  13. Yakoma

    Yakoma Active Member

    Joined:
    Oct 17, 2014
    470
    122
    0
    Location:
    ATL-ish
    Vehicle:
    2008 Prius
    Model:
    N/A
    Uh oh...I think I know where this is going.
     
    #13 Yakoma, Dec 8, 2014
    uart and edthefox5 like this.
  14. edthefox5

    edthefox5 Senior Member

    Joined:
    Jul 25, 2007
    10,096
    4,795
    0
    Location:
    Clearwater, Florida
    Vehicle:
    2007 Prius
    Model:
    Two
    Its not multiple problems. Its usually one that affects all the circuits that are in alarm. Usually its the 12 volt. Car throws all the alarms when that goes bad.

    Its a mystery until the codes are harvested. With those we can tell you pretty close why the car is unhappy.
     
    #14 edthefox5, Dec 8, 2014
  15. edthefox5

    edthefox5 Senior Member

    Joined:
    Jul 25, 2007
    10,096
    4,795
    0
    Location:
    Clearwater, Florida
    Vehicle:
    2007 Prius
    Model:
    Two

    LOL......me too....
     
    #15 edthefox5, Dec 8, 2014
  16. dorunron

    dorunron Senior Member

    Joined:
    Jul 17, 2011
    3,318
    1,103
    0
    Location:
    Houston, TX
    Vehicle:
    2013 Prius
    Model:
    Three
    Me three...
     
    #16 dorunron, Dec 8, 2014
(You must log in or sign up to post here.)