NefMoto > Technical > Reverse Engineering > 06A906032
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Leomgrab
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« on: August 20, 2022, 06:57:04 PM »


hello all first post here i have questions about a chip on the ecu board.
I attached a few pics,there seems to be a burnt chip near the front on the top.
can anyone help me identify the chip and maybe a reason why it happened.

i opened the ecu to make a cole to flash to a spare {same part number} ecu
i fear the spare might also be burnt i plugged it into the car  Roll Eyes

hopefully correct place THANKYOU
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Leomgrab
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« Reply #1 on: August 20, 2022, 07:05:49 PM »
Quote from: Leomgrab on August 20, 2022, 06:57:04 PM

hello all first post here i have questions about a chip on the ecu board.
I attached a few pics,there seems to be a burnt chip near the front on the top.
can anyone help me identify the chip and maybe a reason why it happened.

i opened the ecu to make a cole to flash to a spare {same part number} ecu
i fear the spare might also be burnt i plugged it into the car  Roll Eyes

hopefully correct place THANKYOU


           "wideband 02 sensor driver"
         is that what this is?
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_nameless
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« Reply #2 on: August 20, 2022, 07:10:02 PM »
duh i just told you that
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Giving your mom a tuneup
Leomgrab
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« Reply #3 on: August 20, 2022, 07:14:03 PM »
     

         Cheesy      Your awesome! I really do appreciate it!     Cheesy
       
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gremlin
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« Reply #4 on: August 21, 2022, 09:52:18 AM »
Quote from: Leomgrab on August 20, 2022, 06:57:04 PM
can anyone help me identify the chip and maybe a reason why it happened.

i opened the ecu to make a cole to flash to a spare {same part number} ecu
i fear the spare might also be burnt i plugged it into the car  Roll Eyes

I've come across this a couple of times.
The reason was electric welding work on the exhaust pipes without disconnected battery.
Unfortunately, most likely not only the chip is damaged, but also the conductors in the inner layers of the 4-layer PCB board.
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