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Old 05-15-2011, 07:05 PM   #1
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Default MS2 wont flash

So i got my new MS2 built and i used my old MS2 daughter board. I went over the whole build before i even powered it up. Everything looked good, so i powered it up and everything seamed good. The lights flash once when i turn the key on. So i take it everything is good, so i try and flash the ms2 but no matter witch way i try to flash it i cant get the MS2 to communicate.

Any one know why my ms2 is not communicating?
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Old 05-15-2011, 08:12 PM   #2
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Boot jumper in?
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Old 05-15-2011, 08:17 PM   #3
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yes boot jumper in.

The three led only flash when i turn the key from off to run. They only flash once very quickly.
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Old 05-16-2011, 01:08 AM   #4
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Could my daughter board be bad?
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Old 05-16-2011, 09:21 AM   #5
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You need to do the serial loopback test that are called out in the build manual to try to rule in/out what could be wrong, but with the way I understand that you had grounded your MS2 through the EDIS module, I wouldn't be surprised if the processor is fried.

http://www.msextra.com/doc/ms2extra/serial_setup.html
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Old 05-16-2011, 05:38 PM   #6
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I tried that test before i posted so im guessing my daughter board is no good.
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Old 05-16-2011, 09:29 PM   #7
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Here is a screen shot of what i get every time i try to flash MS2.
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MS2 wont flash-untitled.jpg  
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Old 05-20-2011, 06:20 PM   #8
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Okay i got a new daughter board and check everything over and over more time then you could shack a stick at, and still no flash. WTF What could be wrong matt went over my wiring and i fixed a few small things, the ecu looks fine no burning or any of that but still cant get it to flash. I tried 2 laptops and 1 desktop still nothing.
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Old 05-20-2011, 06:25 PM   #9
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lars would get that same reaction on a mac. used my pc and it flashed instantly.
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Old 05-20-2011, 06:43 PM   #10
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Braineack, Anyway i could send you my MS2 and have you flash it for me so this way i know it works???
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Old 05-20-2011, 07:42 PM   #11
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What data cable are you using what os?
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Old 05-20-2011, 08:51 PM   #12
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prolific usb to serial with a serial from diy and XP.
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Old 05-21-2011, 09:51 PM   #13
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Okay anyone know what could be wrong??? I went over the board with a multimeter and everything reads good power, grounds, resistors, diodes, and capacitors. Could i have a faulty bored? I have tried other laptops and desktops just using the serial cable.


Matt anyway i could mail you my MS2 and have you guys look at it? Its the last part i need for my car i have everything done besides this MS.
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Old 05-21-2011, 10:25 PM   #14
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Okay if i power up the MS2 and i check for power i have no power at the daughter board on the square pin.
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Old 05-22-2011, 08:07 AM   #15
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That's pin 1 (Vsyn). Should be easy to trace back:


Damn image won't show: http://www.megamanual.com/ms2/v3pcb_6.gif


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Old 05-22-2011, 10:47 AM   #16
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The link you have posted wont doesn't load.
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Old 05-22-2011, 11:03 AM   #17
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Now the image works.
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Old 05-22-2011, 12:17 PM   #18
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Just went over the board again and found i dont get any readings from r23 no voltage or resistances.

Also seams to only have 0.19volts on the daughter board.

Could this resistor be the problem?

Last edited by miatamike203; 05-22-2011 at 01:06 PM.
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Old 05-22-2011, 12:53 PM   #19
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R23 is in the clock circuit which the MS-II doesn't use, as it has it's own crystal on the underside of the board.
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Old 05-22-2011, 01:23 PM   #20
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Were should i be looking???????????
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