What might goes wrong after a Jump start?!

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Wishes2013, Aug 21, 2013.

  1. Wishes2013

    Wishes2013 Junior Member

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    Hi All,
    I'm having my 2008 Prius for around 16 months no. Yesterday, after work I got in the car to drive home as usual, I put the key, pressed the brake pedal and the Power button, noticed that the dashboard lights come ON, I opened the four windows as it was too hot inside the car, then I noticed that the radio doesn't work and the display screen as well. I thought I haven't pressed the brake pedal enough so I pressed the power button again, and the car stopped. I tried to restart it , but with no luck, now all the windows are open and I couldn't close them and couldn't get the car starting. I pressed the lock button on the key to lock them, but it didn't do anything. I waited for around 1.5 hour till my brother and his friend came, and they said it might be the 12 V battery, once they put the charging cables between the two cars, mine started to operate. This hadn't happen to me and it was really a not nice experience.
    They told me to try it today morning, if it doesn't work, then the battery might need a replacement.

    Today morning it worked fine, but I noticed that the Auto feature of the driver's window is not working and that the speedometer is giving wrong value (approx. lower by 20 K/hr).

    I am not sure if other things are not working or giving wrong values, some dashboard lights for example, what do you suggest to ensure that everything is well, and is it normal for the Window Auto feature and the speedometer to malfunction after the jump start?

    Thanks,
    Wishes
     
    #1 Wishes2013, Aug 21, 2013
  2. PriusInParadise

    PriusInParadise Member

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    The driver's power window needs to be initialized after loss of battery voltage. With the car in IG ON, or Ready mode, press and hold the driver's window switch down, keep it pressed for approx 2 seconds more after the window is completely open. Then lift and hold the button to closed the window, keep holding it for approx 2 seconds after the window is completely open. The Auto feature should work.
    Check to see if your speedometer is displaying MPH instead of km/h. If so, press the MPH/km/h button to change it back.
    If your 12v battery is the original, it may be near the end of its useful life.
    There are threads on how to check the battery.
     
    #2 PriusInParadise, Aug 21, 2013
    Wishes2013 and uart like this.
  3. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    #3 JimboPalmer, Aug 21, 2013
  4. Eddie9300

    Eddie9300 New Member

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    New battery 12V all works, car does not start....
     
    #4 Eddie9300, Aug 21, 2013
  5. Britprius

    Britprius Senior Member

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    Eddie can you elaborate? Are you asking a question? If so what are you asking.

    John (Britprius)
     
    #5 Britprius, Aug 21, 2013
  6. bisco

    bisco cookie crumbler

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    is this a cryptic message?
     
    #6 bisco, Aug 21, 2013
  7. Britprius

    Britprius Senior Member

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    Should that be an "a" instead of a "y".

    John (Britprius)
     
    #7 Britprius, Aug 21, 2013
  8. bisco

    bisco cookie crumbler

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    sorry john, not you, eddie. you snuck in there before me.:cool:
     
    #8 bisco, Aug 21, 2013
  9. Britprius

    Britprius Senior Member

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    British sense of humor, no offence meant to anyone.

    John (Britprius)
     
    #9 Britprius, Aug 21, 2013
  10. Wishes2013

    Wishes2013 Junior Member

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    @PriusInParadis : Thanks, your note regarding the speedometer was right, and the Auto feature works fine now after following your advice.

    We went to the mechanic yesterday, and he tested the battery and the alternator, the later was fine, but the battery was Un-serviceable, he said it might continue to operate the car; as his was unserviceable for more than one year, and it's still working, But it's better to replace it...and we did.

    Thanks all,
    Wishes
     
    #10 Wishes2013, Aug 22, 2013
  11. Patrick Wong

    Patrick Wong DIY Enthusiast

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    As a Prius owner, you should know that there is no alternator. The DC/DC converter within the inverter serves the function of the alternator by maintaining voltage on the 12V bus at around 13.8V when the Prius is READY.

    Glad to hear that your car's problem was easily dealt with by replacing the 12V battery.
     
    #11 Patrick Wong, Aug 22, 2013
  12. Wishes2013

    Wishes2013 Junior Member

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    Thanks for the note, and i have to admit that I'm really a newbie in the car mechanics :)

    wishes.
     
    #12 Wishes2013, Aug 22, 2013
  13. Eddie9300

    Eddie9300 New Member

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    Car is at dealer....no error codes and they are asking me......funny. Replaced the 12 volt battery, proper voltage to all relay boxes. No ready light but lights work. No instrument panel....abs seems to work when pressing brake. You can here the relay kick in. I guess they have to figure it out.......first problem in 8 years.
     
    #13 Eddie9300, Aug 27, 2013
  14. bisco

    bisco cookie crumbler

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    hope you get it resolved!(y)
     
    #14 bisco, Aug 27, 2013
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