class A dash problem magnetti marelli

[javilette]

i have this car class A 2000 year whith fault in rpm i think fir that the problem is the ponter motor cover but it is ok , this is a comuun fault but where iks the proble is mcu it need change the mcu


than you in advance

[thunderwinged]

see again motor rpm no is broken (plastic or bobine)

[javilette]

i look the plastic i dont see any bobine of this broken , is it posible the bobine are brokenh i dont have any of this

[thunderwinged]

friend is very hard MCU have problems, replace motor from speedmeter and input in RPM (test) and see if work, if no ,see diagram motor rpm >>>>MCU (wire broken)


(in motor have bobine 4 iron) side a>>b = + - 180 Ohms c >>d= + - 180 Ohms