Question about Toyota Prius

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Re Toyota PRIUS 2000. while driving Hybrid System Warning light (small battery sign), Master Warning light (Triangle with exlaimation mark) and sometimes Malfunction indicator lamp and Brake system warning light comes in. I was told by the very experienced car dealer today who has sold many PRIUS cars, that I should just chnage the small 12V Battery and go for along drive. All will be well. Can anybody help

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  • rgrover Feb 04, 2010

    Re Toyota PRIUS 2000.

    while drivingRe Toyota PRIUS 2000. while driving Hybrid System Warning light (small battery sign), Master Warning light (Triangle with exlaimation mark) and sometimes Malfunction indicator lamp

    I was told by the very experienced car dealer today who has sold many such cars that I should just chnage the small 12V Battery and go for along drive. All will be well. But this does not work. Now Brake system warning light comes and car reduces power.

    I havve noticed, while driving, Main battery some times is charged fully or some time chrged level suddenly drops and thne picks.

    PLease help

    Can anybody help

    See less

  • rgrover Feb 04, 2010

    sir,. I have replaced the 12V batter today. STill the same problem

    I noted that in the display board at front where we can see whether the emngine is working or batter is charging, etc, the battery level of the main battery fluctuates. Sometimes it shows full, sometimes charging and sometimes just half charged too.



    Problem is still same

  • rgrover Feb 04, 2010

    the links yoiu have refered are not working

  • rgrover Feb 05, 2010

    sir, i have changed the battery yesterday but still it has the same problem

  • rgrover Feb 05, 2010

    still the same problem



    the links you have refrered are NOT working

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Good day, well for his experience it may work. for my advice just do as you were told and everything will be fine have a nice day

Posted on Feb 04, 2010

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  • dj_relly999
    dj_relly999 Feb 04, 2010

    just an additional sir, have you tried removing the car battery? if not, well try removing the battery terminals then put it back again. for this it can reset the car system. hope this one helps.

  • dj_relly999
    dj_relly999 Feb 04, 2010

    ok, well sir then there is one more possible problem and only one solution. if the charge fluctuates even you have a new battery then it will be an alternator problem. try replacing your alternator and for sure you everything will be back to normal.

  • dj_relly999
    dj_relly999 Feb 04, 2010

    sir, i strongly suggest that you get your alternator check, it maybe the reason for this malfunction

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The car dealer said you the exact right thing.very correct advise for this problem.---------
This is most likely a 12V battery problem. The prius has a very small 12V battery, which is only used to boot the computers and run accessories when the car isn't running. If your 2000 car has never had the battery replaced, then it is long overdue. Charging brought it up enough to get started, but it's probably not holding a charge, and in fact may be dragging down your 12V system. I would put a new battery in it, which should cost you less than $200.
--------
click on this link directly
prius-care-maintenance-troubleshooting/42817-hybrid-system-warning-light-car-wont-go.html">http://priuschat.com/forums/gen-ii-prius-care-maintenance-troubleshooting/42817-hybrid-system-warning-light-car-wont-go.html

one of the user facing the same problem like yours solved this same problem by replacing the battery.

This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

Posted on Feb 04, 2010

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I agree with the car dealer you talked with, the small 12V battery in your Toyota Prius runs the computer and accessories and if it has never been changed it could actually drag your whole system down. Click on the link below to read more:


prius
-care-maintenance-troubleshooting/42817-hybrid-system-warning-light-car-wont-go.html">http://priuschat.com/forums/gen-ii-prius-care-maintenance-troubleshooting/42817-hybrid-system-warning-light-car-wont-go.html

Posted on Feb 04, 2010

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