Launch X431 INFO AND HELP SECTION - Page 2
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  1. #16
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    Quote Originally Posted by salahmanu View Post
    Hi i have a problem in the screen of my launch x431;however i calibrated it in the start the problem persist it start very well in the begening but after a while the problem appears and i can't work with the stylo or the pen i must keep the click on something for a while to chose please any idea or help please
    Faulty digitizer???

  2. #17
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    Hello to all.
    I have a problem with my X431. I can't diagnose any car.
    When i plug in to car two LEDs are still on :
    1. Power - its OK
    2. From ECU - not god I think (its the last LED on bottom).

    Software starts normal. But when I try to connect any system i get error comunication with ECU message.
    I checked in another X431 and that last one LED is off.

    I know that problem is with Smartbox but i don't know what could happen?
    Any idea???

  3. #18
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    Quote Originally Posted by gelomeloman View Post
    Hello to all.
    I have a problem with my X431. I can't diagnose any car.
    When i plug in to car two LEDs are still on :
    1. Power - its OK
    2. From ECU - not god I think (its the last LED on bottom).

    Software starts normal. But when I try to connect any system i get error comunication with ECU message.
    I checked in another X431 and that last one LED is off.

    I know that problem is with Smartbox but i don't know what could happen?
    Any idea???
    Wrong SN Software?

  4. #19
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    Yea wright.

    When is wrong SN software tell about difference between smartbox SN and soft SN.
    I know that Smartbox is down.
    But what chip inside recognise signal from car ECU and light that LED.
    I changed SN and ty another soft but no resolt.
    I changed main cable and still the same.
    I changed W77L058A25PL to a new one programed with same SN.
    Still no resolt.

  5. #20
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    Quote Originally Posted by gelomeloman View Post
    Yea wright.

    When is wrong SN software tell about difference between smartbox SN and soft SN.
    I know that Smartbox is down.
    But what chip inside recognise signal from car ECU and light that LED.
    I changed SN and ty another soft but no resolt.
    I changed main cable and still the same.
    I changed W77L058A25PL to a new one programed with same SN.
    Still no resolt.
    Consider replace with new Master board?
    Is your old super scanner?

  6. #21
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    Yes its old scanner X431.
    I saw main board smartbox on Aliexpres costs 140$.

  7. #22
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    Quote Originally Posted by gelomeloman View Post
    Yes its old scanner X431.
    I saw main board smartbox on Aliexpres costs 140$.
    Bit to cheap to be good, I can pass you on to my guy sells only Launch parts with updates etc
    PM if you like

  8. #23
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    where is it israel

  9. #24
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    Default Launch X431 INFO AND HELP SECTION

    Quote Originally Posted by belcitroen View Post
    where is it israel
    Kidding right????

  10. #25
    DK Veteran huzzen27's Avatar
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    Hi,
    My launch x431 doesnt work properly its original master,when i connect it to the car smartbox success ,checking smarbox success and also enter into the car till read fault code,but then after is show communication error,see whether ign is on etc etc,so what should be the problem i am attaching the picture of smartbox can any one suggest what should be the problem in smartbox,regards-HuzefaCAM00036.jpgCAM00035.jpgCAM00034.jpgCAM00033.jpgCAM00032.jpg

  11. #26
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    Quote Originally Posted by huzzen27 View Post
    Hi,
    My launch x431 doesnt work properly its original master,when i connect it to the car smartbox success ,checking smarbox success and also enter into the car till read fault code,but then after is show communication error,see whether ign is on etc etc,so what should be the problem i am attaching the picture of smartbox can any one suggest what should be the problem in smartbox,regards-HuzefaCAM00036.jpgCAM00035.jpgCAM00034.jpgCAM00033.jpgCAM00032.jpg
    All I can suggest it to replace to smartbox board
    I'm not tech on electronics
    I have a trusted supplier if it help he should be able to make to your original serial

  12. #27
    Junior Member anigrini's Avatar
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    Quote Originally Posted by gelomeloman View Post
    Hello to all.
    I have a problem with my X431. I can't diagnose any car.
    When i plug in to car two LEDs are still on :
    1. Power - its OK
    2. From ECU - not god I think (its the last LED on bottom).

    Software starts normal. But when I try to connect any system i get error comunication with ECU message.
    I checked in another X431 and that last one LED is off.

    I know that problem is with Smartbox but i don't know what could happen?
    Any idea???
    Yep, you connected to a vehicle with power on its K-Line. Could be a VW were the power for the aftermarket radio is taken from the wrong source. The Launch can only fight off power on the K-Line for a short period and then blows the smart box. Sorry mate your unit requires a new smart box.

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    Quote Originally Posted by anigrini View Post
    Yep, you connected to a vehicle with power on its K-Line. Could be a VW were the power for the aftermarket radio is taken from the wrong source. The Launch can only fight off power on the K-Line for a short period and then blows the smart box. Sorry mate your unit requires a new smart box.
    That easy to blow the board???

  14. #29
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    As far as I know,this white black relay smartbox board is very easy to be in trouble.I presume you will have to consider to send LAUNCH to fix or ask your supplier to do the repair,

  15. #30
    DK Veteran sergej's Avatar
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    Test main cable: 1 in1,2 in 2 ....15 in15.
    Test Ziner diode.
    Test relay.

 

 
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