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Thread: Mmi shut down by battery energy management

  1. #61
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    I was thinking that testing voltage to amp pins would be sufficient, but as you have described that I need to test correctly, what kind of tester would do this and is this done through the pins?

  2. #62
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    Does anyone know which pis I need to check for the power to the amp??????

  3. #63
    Verified VCDS User golfi_vend's Avatar
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    T32h/1 - Power
    T32h/2 - Ground

    Test them both. Put a load of 10A on the wire, if it passes that test, wire is OK and amp is bad.
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  4. #64
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    Thanks Golfi. How do I put a load of 10a on the wire. Is that just a case of staring the engine?

  5. #65
    Verified VCDS User golfi_vend's Avatar
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    You take a powerful lamp, 120w for instance. Because of the ohm law P=u*1 and I=P/U
    So it makes I=120W/12v, I=10A.

    Hope you understand. PS bulb has to be rated for 12v.
    I am a VW Freak - Le WV Freaks OR Come visit me at my work with ODIS concerns - FORSS ODIS GeKo/FaZit access for VW/AUDI/Škoda
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  7. #66
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    Sorry Golfi. My brains fried, I have no idea what all that meant. I have read it five times and the more I read it the confused I get.

    Is there an easy way to tell me what to do without any complicated stuff.

    Sorry I need an idiot guide.....

  8. #67
    Verified VCDS User golfi_vend's Avatar
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    Put 120W/12v or similar power bulb at the pins of amp. If the bulb lights up fine and bright your wiring is good.

    But i would suggest at this point, to seek out a help of experienced electrician.
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  10. #68
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    This is what I have done so far. I have a pencil voltage tester that tells me the voltage when I touch a live wire. I unplugged the amp and I found that when I first did it I got a 12v reading off the the first pin and nothing from the second and then the power went down totally. What I found was that when I unplugged the amp, the mmi went blank and the power cut off to all the units with the amp like DVD, radio and tv. I don't get any readings at this point, I'm guessing when it's plugged out, it cuts the power to the cable

  11. #69
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    Can anyone help and give me an easy guide to test my amplifier with a voltage tester pencil

  12. #70
    NostraJackAss Jack@European_Parts's Avatar
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    For the ones who don't understand what Golf_vend was saying.........

    http://forums.ross-tech.com/showthre...vids-and-more)

    Sunny will show ya.

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