Yes, #benchmode You MAY not need unscrew to screw the #ECU🤣😅! #Bootmode You unscrew the #controlunit, directly connect to #circuitboard!

'Mashine fulani' could give You instructions which what where to connect, but if nutten nuh gwaan, #HapaUjanjaTu 👇

https://www.5021.tips/ujanja/ecupins2

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Choose by ECU, vehicle or the #carprogramming #ECUProgramming #howitsdone #ecm #pinout #ecurepair #repairtips #5021tips #autorepairtips #autoelectronics #Autoelectricalrepair #magari #autodiagnostics #Obdtools #obd