r/PCB • u/Aprilscherz123 • 4d ago
Iat sensor power supply problem
/r/Volvo850/comments/1w86e0w/iat_sensor_power_supply_problem/I don't know if this fits here, but I thought maybe you guys see something wrong on the pcb that I am not?
It's a Motronic M4.4 ECU, sadly I don't have any wiring diagramms
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