turn lights, park lights, fog lights, license lights, ALL OFF

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by franksrental, Mar 17, 2017.

  1. franksrental

    franksrental Junior Member

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    Hello there,
    I recently noticed that all
    turn lights, park lights, fog lights, license lights, are ALL OFF. Every else works flawlessly.

    There are no error codes and no warning lights on the dashboard.

    Actually yesterday I dropped the car at the dealer. They told me the bulbs needed to be replaced. So I started replacing the first turn light bulb and that did not anything. So I thought it must be a circuit issue since, coincidence all the non working lights are on fuse 30.

    I replaced fuse 30 under the steering wheel.
    I noticed it was blackened on its feet but still making full contact. Clearly not the issue.

    Anyone could direct me on how to troubleshoot this?

    thank you!

    Frank
     
    #1 franksrental, Mar 17, 2017
  2. tankyuong

    tankyuong Senior Member

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    relays?
     
    #2 tankyuong, Mar 17, 2017
  3. bisco

    bisco cookie crumbler

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    fuses?
     
    #3 bisco, Mar 17, 2017
  4. franksrental

    franksrental Junior Member

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    is it common for a relay to break?
    One thing I can say is that everything was working until I hit a wild animal with my front bumper. body shop fix the bumper. since then I noticed those light won't work. Still every other light (including the front turn lights on the bumper) work perfectly.
     
    #4 franksrental, Mar 19, 2017
  5. franksrental

    franksrental Junior Member

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    like I posted, I checked #30 which is on that circuit. It is fine except for blackened legs.
     
    #5 franksrental, Mar 19, 2017
    bisco likes this.
  6. ChapmanF

    ChapmanF Senior Member

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    When I have a situation like that, I just take a deep breath, grab a multimeter and the wiring diagram, and start making measurements from the first place where the expected voltage is, to the first place where it isn't, and then fix the problem.

    The Toyota wiring diagrams are online and work in a very nice, interactive way, where you can just click on the circuit you're interested in, and all the switches, fuses, relays, junctions, etc. on that circuit get highlighted. You can click them and see a location diagram showing where they are in the car, and for connectors, exactly what they look like, and which pin(s) to check for your circuit. They're at techinfo.toyota.com.

    I'm sorry, I don't know any easier way. You just start at the beginning and follow and eliminate. The good news is, you will find the problem every time.

    -Chap
     
    #6 ChapmanF, Mar 19, 2017
    franksrental likes this.
  7. franksrental

    franksrental Junior Member

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    cool sounds like a plan! i will follow your advice.thanks Chap!
     
    #7 franksrental, Mar 20, 2017
  8. Mendel Leisk

    Mendel Leisk Senior Member

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    Dealership zero, ChapmanF one. (y)
     
    #8 Mendel Leisk, Mar 21, 2017
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