Aiki, hanya da sigogin matsin lamba na firikwensin matsin lamba na man fetur
ECM tana amfani da wannan siginar firikwensin don tantance matsin man fetur a cikin layin mai kuma tana amfani da ita don ƙididdige wadatar mai a cikin kewayon aiki daga 0 zuwa 1500Bar. Lalacewar firikwensin na iya haifar da asarar wutar injin, raguwar gudu ko ma tsayawa. Darajar siginar ƙarfin siginar fitarwa na firikwensin matsin lamba na layin mai a ƙarƙashin matsin mai daban-daban za a iya raba su zuwa: Firikwensin matsin lamba na dangi: matsin lamba na tunani lokacin auna matsin lamba shine matsin yanayi, don haka ƙimar aunawarsa lokacin auna matsin yanayi shine 0. Firikwensin matsin lamba cikakke: matsin lamba na tunani lokacin auna matsin lamba shine injin, kuma ƙimar matsin lamba da aka auna shine hanyar kula da matsin lamba cikakke tana amfani da nau'in waya uku. Layukan wutar lantarki guda biyu suna ba da ƙarfin lantarki na aiki na 5V ga firikwensin, kuma layin sigina ɗaya yana ba da ƙarfin siginar matsin lamba ga ECM.
