Inzwa yesigaba se-camshaft yezimoto - ukwehluleka kokukhipha
Ukwehluleka kokukhipha inzwa ye-automotive camshaft phase ngokuvamile kubangela izimpawu ezilandelayo:
Ubunzima noma ukungakwazi ukuqalisa : I-ECU ayikwazi ukuthola isignali yendawo ye-camshaft, okuholela ekudidekeni kwesikhathi sokuthungela, futhi injini kunzima ukuyiqalisa.
i-jitter yenjini noma ukwehla kwamandla : iphutha lesikhathi sokuthungela eliholela ekushiseni okunganele, injini ingase idlikize ngezikhathi ezithile, isheshise kancane.
ukwanda kokusetshenziswa kukaphethiloli, ukukhishwa kwesisi esiba kubi kakhulu : I-ECU ingase ingene "kwimodi yesimo esiphuthumayo", isebenzisa imingcele yomjovo engaguquki, okuholela ekuwongeni uphethiloli okungekuhle kanye nokukhipha umoya omningi ngokweqile.
Isibani esinephutha sivuliwe : isistimu yokuxilonga imoto ithola ukuthi isignali yenzwa ayijwayelekile futhi icupha ikhodi yephutha (njenge-P0340) .
ukuminza noma ukungazinzi kokungenzi lutho : Uma isignali yenzwa iphazamiseka, i-ECU ingase ingakwazi ukugcina isivinini esivamile sokungenzi lutho, okuholela ekumeni kwenjini kungazelelwe noma isivinini esingazinzile sokungenzi lutho.
Ukukhipha amandla alinganiselwe : Amanye amamodeli akhawulela amandla enjini ukuze avikele isistimu.
Isizathu sephutha
Ukulimala kwezinzwa : ukuguga kwezingxenye ze-elekthronikhi zangaphakathi, ukwehluleka kwezingxenye zokungeniswa kazibuthe, isifunda esifushane noma isekethe evulekile.
Ukwehluleka kolayini noma kwepulaki : ipulaki oxidation, okuxekethile, ukuguga kwamahhanisi, isifunda esifushane noma evulekile.
Ukungcola kwenzwa noma ukungena kukawoyela : udaka noma udoti wensimbi unamathiselwe endaweni yenzwa, okuthinta ukuqoqwa kwesignali.
inkinga yokufaka : imvume engafanele noma izikulufu ezixegayo.
Okunye ukwehluleka okuhlobene : ibhande lesikhathi/ukungalungi kahle kweketango, ukwehluleka kwenzwa yendawo ye-crankshaft, ukwehluleka kwe-ECU, noma ukuphazamiseka kukazibuthe.
Indlela yokuxilonga
Funda ikhodi yephutha : Sebenzisa ithuluzi lokuxilonga le-OBD ukuze ufunde ikhodi yephutha (njenge-P0340) futhi uqinisekise ukuthi ingabe iphutha lenzwa ye-camshaft.
Bheka izintambo zenzwa kanye nepulaki : hlola ukuthi ipulaki ivulekile, igqwalile, izintambo zocingo azonakalanga, zilungiswa noma zishintshe uma kunesidingo.
Inzwa ehlanzekile : Susa inzwa futhi ukhiphe uwoyela ongaphezulu noma udoti ngesicoci se-carburetor (ukunakekela ukugwema ukulimala ngokomzimba) .
Linganisa ukumelana nenzwa noma isignali : Sebenzisa i-multimeter ukuze uhlole ukuthi ingabe ukumelana kwenzwa kuyahlangabezana yini nezinga lemanuwali; Sebenzisa i-oscilloscope ukuze uhlole ukuthi i-waveform yesiginali ijwayelekile yini.
Shintshanisa inzwa : uma kuqinisekiswa ukuthi inzwa yonakele, buyisela izingxenye zebhrendi zangempela noma ezithembekile (naka indawo ekhishwayo kanye netorque ngesikhathi uyifake).
Hlola uhlelo lwesikhathi : Uma iphutha lihlobene nesikhathi, phinda ufunde uphawu lwesikhathi.
Sula ikhodi yephutha futhi uyiqalise : sula ikhodi yephutha ngemva kokulungiswa, futhi wenze ukuhlolwa komgwaqo ukuze ubone ukuthi iphutha lisusiwe ngokuphelele yini.
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