Prius 2006 dilemma with low miles

Discussion in 'Gen 2 Prius Main Forum' started by Peterhans, Jan 16, 2022.

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  1. Peterhans

    Peterhans Junior Member

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    Will keep this option open. Thanks
     
    #21 Peterhans, Jan 19, 2022
  2. Peterhans

    Peterhans Junior Member

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    Currently ran the hybrid health test and waiting on parts. Also, viewing more videos and preparing for changing the modules. Still surprised of not being able to find new modules and the lack of communication from Panasonic.
     
    #22 Peterhans, Jan 20, 2022
  3. alftoy

    alftoy Senior Member

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    Do some searching, not advisable to use new modules in a 2006 pack, you are asking for trouble and will definitely be in a dilemma.

    Panasonic will not sell you new modules, they only sell to Toyota. Panasonic Toyota have a joint venture. Probably better to do some more research regards rejuvenating HV battery, otherwise you might damage your pack.

    Start here, I also copied info into a informal manual from the wiki and is attached

    Prius High Voltage Battery Reconditioning | PriusChat

    Gen II Prius Individual Battery Module Replacement | PriusChat

    Toyota battery venture gets new name: Primearth | Automotive News Europe
     

    Attached Files:

    #23 alftoy, Jan 20, 2022
    Last edited: Jan 20, 2022
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  4. Peterhans

    Peterhans Junior Member

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    If the reconditioned cell is within 0.2v of the adjacent cell, will further conditioning occur by just driving the vehicle? From what I gather, driving just a short distance is not good for the hybrid. There should be at least a weekly longer excursion drive. I am hoping that this cell replacement will work without much complications.
     
    #24 Peterhans, Jan 20, 2022
  5. mr_guy_mann

    mr_guy_mann Senior Member

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    No, not really. What you do (or don't do) as far as "reconditioning" is pretty much going to stay that way in use- until a module deteriorates more than the others. The block voltage differentials on my pack are fairly close to what they were (and on the same block numbers) 21k ago when I did it.

    Posted via the PriusChat mobile app.
     
    #25 mr_guy_mann, Jan 20, 2022
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  6. Peterhans

    Peterhans Junior Member

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    Here are some photos showing the 2006 prius with 112,000 km or 69k miles. According to a video, seems that the battery was accessed before because of only three clips instead of five clips. The 90 minute video is a good detailed video on replacing a battery cell. Somehow, heic extension are not allowed and can not be uploaded. The images are of the right and left side of the prius, the dash showing ready with triangle and km, the fully charged hb with green bars.
     
    #26 Peterhans, Jan 21, 2022
  7. alftoy

    alftoy Senior Member

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    If you are using an iPhone change your camera format.

    How to Make Your iPhone Use JPG and MP4 Files Instead of HEIF, HEIC, and HEVC

    Can also convert the heic to jpg on your iPhone

    How to Convert HEIC Photos to JPG on iPhone and iPad
     
    #27 alftoy, Jan 21, 2022
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  8. Peterhans

    Peterhans Junior Member

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    Found the heic converter to jpg. Here are the photos. The dash shows 112,000 km which is 69k miles. This gives an idea what I am talking about.
     

    Attached Files:

    #28 Peterhans, Jan 21, 2022
  9. Peterhans

    Peterhans Junior Member

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    The 90 minute video by Electron Automotive gives very good details about the hybrid battery disassembly and reassembly.
     
    #29 Peterhans, Jan 21, 2022
  10. alftoy

    alftoy Senior Member

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    This video is also very good.

     
    #30 alftoy, Jan 21, 2022
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  11. Peterhans

    Peterhans Junior Member

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    Thanks and learning the different steps.
     
    #31 Peterhans, Jan 22, 2022
  12. Peterhans

    Peterhans Junior Member

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    #32 Peterhans, Jan 22, 2022
  13. alftoy

    alftoy Senior Member

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    What OBDii tester did you use, and how did it show a weak block.

    How do you plan on matching the replacement modules to the rest of the pack. Are you considering any chargers or balance chargers? Or are you just going to replace the modules.
     
    #33 alftoy, Jan 22, 2022
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  14. Peterhans

    Peterhans Junior Member

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    I found the OBD2 tester on Amazon.de. The brand name is Veepeak. The app is Hybrid Assistant and gives good data. The cells are refurbished and tested. Will measure the vdc. Plan on replacing both bank cells since middle cells wear out faster as claimed. Hopefully, I can find out more information about the cells. Surprisingly, could not find cells in Germany. Just replacing bank 9 cells since they were tested.
     
    #34 Peterhans, Jan 22, 2022
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