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Thread: HELP: Head Unit Problem

  1. #1
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    Question HELP: Head Unit Problem

    Hey everyone.

    Im having trouble figuring out what is wrong with my head unit.

    I have a 95 camry, and recently installed a new head unit (DEH-P5100UB). worked perfect for about 2 weeks. One morning, a minute after turning the car on, the head unit stopped functioning along with the clock, the ceiling light, the open door and seat belt warning lights in-dash, and that beeping noise when your key is in the ignition.

    It all happened so fast. I dont know what could have caused this problem. My initial guess is a blown fuse, but they seem intact. is there anything else that could have caused this problem?

    your help is much appreciated!

  2. #2
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    First off, this forum is dedicated those interested in the implementation of computers into their vehicle and not for general car or car audio questions. If you would like to learn more, Welcome. Otherwise please refer any future questions NOT about CarPCs to a site that is dedicated to general car audio.

    When you checked your fuses, did you use a meter, pull the fuse out completely to inspect it, and did you check the fuses within your engine compartment. The components that you have described that are no longer functioning are all tied to the same circuit so your problem can only be the cause of a blown fuse from a faulty circuit. Now what caused the fuse to blow is a whole different story. The most typical cause is a faulty circuit due to improper installation.
    "In the beginners mind there are many possibilities, but in the experts mind there are few."- Shunryu Suzuki
    "Do it right or don't do it at all"

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  3. #3
    Low Bitrate jake789's Avatar
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    Quote Originally Posted by pancit175 View Post
    First off, this forum is dedicated those interested in the implementation of computers into their vehicle and not for general car or car audio questions. If you would like to learn more, Welcome. Otherwise please refer any future questions NOT about CarPCs to a site that is dedicated to general car audio.
    Well thats a jerk way to welcome a new member.

    95camry - Check your fuse box and look for something labeled "Accessory" or similar. Sometimes a blown fuse is not easy to spot. You should use a conductivity (or resistance) setting on a dmm to properly check.

  4. #4
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    Actually it would most likely be the clock/memory fuse under the hood since his other components that went out are typically on the same circuit. I highly doubt that the ceiling light not working would be caused by a blown Accessory fuse since its operation is not dependent on the Ignition. But yes, a meter would be the best way to find out for sure. To determine which circuit is not providing the proper power a simple voltage test at the constant and accessory of the harness should help find that out.
    "In the beginners mind there are many possibilities, but in the experts mind there are few."- Shunryu Suzuki
    "Do it right or don't do it at all"

    PROGRESS:
    [-------90%-] (New Car=New Build)

  5. #5
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    Quote Originally Posted by jake789 View Post
    Well thats a jerk way to welcome a new member.
    We can't all be saints.
    "In the beginners mind there are many possibilities, but in the experts mind there are few."- Shunryu Suzuki
    "Do it right or don't do it at all"

    PROGRESS:
    [-------90%-] (New Car=New Build)

  6. #6
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    Okay cool. thanks for the help guys. and sorry pancit, i didnt know it was strictly about carPCS on this website. I'll keep that in mind next time i post.

    respex

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