2009 Prius seems dead....

Discussion in 'Gen 2 Prius Main Forum' started by Matt in AK, Jul 15, 2017.

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  1. Matt in AK

    Matt in AK Junior Member

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    2009 Prius was found dead, ran fine the previous day. There was an attempt to jump it via under the hood contact and directly from the battery in the rear, but it did not help. Someone suggested we disconnect the 12v rear battery and jump under the hood, that did not work.
    The rear 12v battery is good, has been load tested and is good. The 5 amp and 120 amp fuses at the rear battery are not blown.
    The pos. lead and ground reads 12v with the rear battery connected.
    The fusible link looks like it is none are blown. The last suggestion was that the invertor is / may be bad. We are kinda remote and would like to solve this if possible. Any thoughts ?
     
    #1 Matt in AK, Jul 15, 2017
  2. edthefox5

    edthefox5 Senior Member

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    Do you have headlights?
    If not the fusible link under the plastic cover is blown.
    Usually caused by reverse polarity jump.
     
    #2 edthefox5, Jul 16, 2017
  3. JC91006

    JC91006 Senior Member

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    Also check the am2 fuse under the hood. If that fuse is blown, your inverter pump most likely shorted out
     
    #3 JC91006, Jul 16, 2017
  4. Matt in AK

    Matt in AK Junior Member

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    Thanks so much. I wonder if you can tell by the images if the fusible link if it is blown. It seemed to look OK, or perhaps it can be tested or can it look OK and be blow ? I will download my images in a few minutes. Matt
     
    #4 Matt in AK, Jul 16, 2017
  5. Sam Spade

    Sam Spade Senior Member

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    If you are going to troubleshoot this yourself, you NEED a multimeter to chase voltages.....and grounds.
     
    #5 Sam Spade, Jul 16, 2017
  6. Matt in AK

    Matt in AK Junior Member

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    OK people, thanks so much.
    Sam Spade, yes I do have a multimeter. I have checked many points, but please advise where you would start.
    There are three images attached of where on the link is the likely problem. I will take more fotos if would be helpful.


    FUSELINK 1.jpg FUSELINK 1.jpg FUSELINK 1.jpg FUSELINK2.jpg FUSELINK 1.jpg FUSELINK2.jpg FUSELINK3.jpg FUSELINK2.jpg FUSELINK 1.jpg FUSELINK 1.jpg FUSELINK2.jpg FUSELINK3.jpg
     
    #6 Matt in AK, Jul 16, 2017
  7. Matt in AK

    Matt in AK Junior Member

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    Novice here, please, which is the am2 fuse ?
     
    #7 Matt in AK, Jul 16, 2017
  8. Sam Spade

    Sam Spade Senior Member

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    Measure the voltage at the battery, both on the battery posts and on the cable ends that connect there.

    Then measure at the "jump point" to a good nearby ground.
    Others will take it from there......as I know nothing about where the main fuses are in relation to those things.
     
    #8 Sam Spade, Jul 16, 2017
  9. Matt in AK

    Matt in AK Junior Member

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    The jump point tests a strong 12v.
    Voltage at the battery, both on the battery posts and on the cable ends that connect there are all good at 12v +.

    Thanks for your help Sam
     
    #9 Matt in AK, Jul 16, 2017
    Last edited: Jul 16, 2017
  10. Matt in AK

    Matt in AK Junior Member

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    The jump point tests a strong 12v.
    Voltage at the battery, both on the battery posts and on the cable ends that connect there are all good at 12v +.

    Thanks for your help Sam
     
    #10 Matt in AK, Jul 16, 2017
  11. bisco

    bisco cookie crumbler

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    that's not good, unless it's 12.4 or better, after the car has been off a few hours. a new battery is around 13v and slowly drops as it ages.
     
    #11 bisco, Jul 16, 2017
  12. Matt in AK

    Matt in AK Junior Member

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    Actually, it was about 13.5 v, sorry I was too general about it at 12v +
    Thank you
     
    #12 Matt in AK, Jul 16, 2017
  13. bisco

    bisco cookie crumbler

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    that's not correct, the car must have been on.
     
    #13 bisco, Jul 16, 2017
  14. Matt in AK

    Matt in AK Junior Member

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    thanks bisco ! I wish the car was on ! It is dead !
    I went back and tested again and it was 13.10v.
    It was on the charger all night 2 nights ago, but otherwise just connected up in the car.
    The image attempts to show how I just tested it, Please comment / advise ! 20170716_095702.jpg
     

    Attached Files:

    #14 Matt in AK, Jul 16, 2017
  15. bisco

    bisco cookie crumbler

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    if the car has been off the charger, and the car has been off for 24 hours, that is a good reading, and the battery must be almost new. but check it every day to see if it settles lower.
     
    #15 bisco, Jul 16, 2017
  16. Matt in AK

    Matt in AK Junior Member

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    Thanks !
     
    #16 Matt in AK, Jul 16, 2017
  17. Matt in AK

    Matt in AK Junior Member

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    If the fusible link looks OK but a problem is suspected, is it possible :
    1. It looks OK but it is not.
    2. If not sure, is there a specific procedure to test it as opposed to a regular simple fuse ?
    Thanks
     
    #17 Matt in AK, Jul 16, 2017
  18. JC91006

    JC91006 Senior Member

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    AM2 fuse here, check that 20170625_173915.jpg
     
    #18 JC91006, Jul 16, 2017
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  19. bisco

    bisco cookie crumbler

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    i think you can do a continuity test from one end to the other. set your meter to ohms. if it's good, you should get the same reading as touching the probes together.
    i'm no expert, someone may correct me.
     
    #19 bisco, Jul 16, 2017
  20. Matt in AK

    Matt in AK Junior Member

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    Thanks ! I was not sure, my box does not have those letters on it !
     
    #20 Matt in AK, Jul 16, 2017
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