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bad battery?

Discussion in 'Gen 2 Prius Technical Discussion' started by itwrx, Nov 22, 2013.

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  1. itwrx

    itwrx New Member

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    Would the error code show as a red triangle on the dash or just as a code a OBDII reader would show?
     
    #21 itwrx, Nov 23, 2013
  2. vskid3

    vskid3 Active Member

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    Scangauge is good, but kind of outdated. A cheap bluetooth ELM327 scanner and the Torque app for Android devices will be able to show you all the voltages at once, not just 4. I don't have one, but I believe a mini VCI scanner with Techstream for PC will do the same.
     
    #22 vskid3, Nov 23, 2013
  3. itwrx

    itwrx New Member

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    know of any good options for iOS or mac?
     
    #23 itwrx, Nov 23, 2013
  4. Mendel Leisk

    Mendel Leisk Senior Member

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    If I hook up a digital multi-meter when the car is off, I get readings between 12.5 and 12.7, depending on temp, recent use and I'm not sure what all.

    I'm not sure if "acc mode" would be different, what it entails.
     
    #24 Mendel Leisk, Nov 23, 2013
  5. vskid3

    vskid3 Active Member

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    #25 vskid3, Nov 23, 2013
  6. Patrick Wong

    Patrick Wong DIY Enthusiast

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    Actually you should measure the module voltages while the lights are on so that the battery is under load while you are doing the measurements. You've already determined that when the battery has no load, the battery module voltages are all good. Obviously this means the battery case has to be open during the testing.
     
    #26 Patrick Wong, Nov 23, 2013
  7. itwrx

    itwrx New Member

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    What is the inch pound setting I should use on each cell terminal?
     
    #27 itwrx, Nov 23, 2013
  8. Patrick Wong

    Patrick Wong DIY Enthusiast

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    Your question presupposes the need to disconnect the module wiring which implies you will find a bad module. I think that this is not necessarily the case.

    However, the answer is 48 in.-lb.
     
    #28 Patrick Wong, Nov 23, 2013
  9. itwrx

    itwrx New Member

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    Thanks. I had already undone all the cells assuming I would find a dead one. Oh well lesson learned. At least I got to clean all the brass contacts.
     
    #29 itwrx, Nov 23, 2013
    tomcornell likes this.
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