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BraLaas
17th January, 2019, 03:02 PM
Good day

I have w203 to correct mileage
Tried to read incircuit woth orange but failed want to know witch mcu I must read
And asking for incircuit pinout please..

Thank youhttps://uploads.tapatalk-cdn.com/20190117/d4b141953b0b46006ba58ca51565e410.jpghttps://uploads.tapatalk-cdn.com/20190117/012b68c97d63965bada1db9b665288a5.jpghttps://uploads.tapatalk-cdn.com/20190117/6653ef28d7734ff03809f1286a375b0b.jpg

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dominik.m
17th January, 2019, 04:07 PM
In ezs module are 2 MCUs HC908.The MCu on optocoupler side(two gray optocouplers) is the right one.
See picture in Image for more details.

BraLaas
17th January, 2019, 04:09 PM
In ezs module are 2 MCUs HC908.The MCu on optocoupler side(two gray optocouplers) is the right one.
See picture in Image for more details.Do you mabe have connection for me friend have tried connection but failed

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dominik.m
17th January, 2019, 04:18 PM
MCU connection.

BraLaas
17th January, 2019, 04:19 PM
MCU connection.Power and ground where they are and the others on mcu legs..??
Need to remove components..??

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dominik.m
17th January, 2019, 04:35 PM
It is best to read on board. Because this MCU is secured. Like this one:
$8F-$7E-$7A-$5C-$B3-$87-$B6-$7B=MC68HC908AZ60 (2J74Y)

BraLaas
17th January, 2019, 04:41 PM
It is best to read on board. Because this MCU is secured. Like this one:
$8F-$7E-$7A-$5C-$B3-$87-$B6-$7B=MC68HC908AZ60 (2J74Y)Do u have mcu connection

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