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What is going on? I can't see the speedometer.

Discussion in 'Gen 2 Prius Technical Discussion' started by Dylan Evan, Oct 26, 2018.

  1. Dylan Evan

    Dylan Evan New Member

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    I have a Prius 2006, and sometimes I notice when I start the car, it wont turn on the speedometer or anything else. Not only that, but sometimes it won't turn off either. Another thing is that I can't open the hatchback, sometimes, especially when I can't turn off the car.
     
    #1 Dylan Evan, Oct 26, 2018
  2. Skibob

    Skibob Senior Member

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    Check your battery voltage as per the owners manual and get back to us.
     
    #2 Skibob, Oct 26, 2018
  3. bisco

    bisco cookie crumbler

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    might be a bad combo meter
     
    #3 bisco, Oct 26, 2018
    jerrymildred likes this.
  4. Dylan Evan

    Dylan Evan New Member

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    I Checked the battery and here is what happened
    First Click on Power Button: 12.3V
    Second Click on Power Button: 12.0-12:2V (Never went below 12.0V)
    Turning on Car: 14.0V

    Anyway to confirm this?
     
    #4 Dylan Evan, Oct 27, 2018
    Last edited by a moderator: Oct 27, 2018
  5. jerrymildred

    jerrymildred Senior Member

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    Sounds like classic symptoms of a bad combo meter. (no display, won't shut off every time) The hatch release may be a separate issue.
     
    #5 jerrymildred, Oct 27, 2018
  6. Dylan Evan

    Dylan Evan New Member

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    The hatch only ever happened when the car wouldn't turn off and I tried to disconnect the 12V battery
     
    #6 Dylan Evan, Oct 27, 2018
  7. bisco

    bisco cookie crumbler

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    looks like the 12v is borderline. charge it up and see what happens. how old is it?
     
    #7 bisco, Oct 27, 2018
  8. Skibob

    Skibob Senior Member

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    What was the resting voltage before you pushed any buttons? Measured at the battery terminals, with a voltmeter
     
    #8 Skibob, Oct 27, 2018
  9. Dylan Evan

    Dylan Evan New Member

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    Excuse the ignorance, how do I "charge it up"? I honestly don't know. I think it may be the original battery? I'm the third owner, and the first owner had a rear ended accident which basically made the insurance call it quits. So I have no idea if it's newer or the original one.

    I used the guide with turning on the car, however can you give me a guide on how to check with a voltmeter? Thank you!
     
    #9 Dylan Evan, Oct 29, 2018
    Last edited by a moderator: Oct 30, 2018
  10. bisco

    bisco cookie crumbler

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    you need a battery trickle charger specific to prius battery (agm) around $50. on amazon. ctek makes one as well as other companies.

    or you can try leaving the car in ready all day, if it is safe to do so. otherwise, you would have to drive it around all day.
     
    #10 bisco, Oct 30, 2018
  11. bisco

    bisco cookie crumbler

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    if you can get the battery above 12.4 volts resting, and it stays there for a few days, and you are still having display issues, then the combo meter needs to be replaced.
     
    #11 bisco, Oct 30, 2018
  12. Skibob

    Skibob Senior Member

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    It is in section 9 of the 2006 owners manual, Specifications. Page 429
     
    #12 Skibob, Oct 30, 2018
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