ECU: chii uye kupi?

Munyaya ino uchadzidza pamusoro mudziyo akadai kombiyuta. Chii uye kuti chii chinangwa zvakafanira kuti motokari? Zvino uye tinoedza kuti zvakanaka. Mumakore achangopfuura, takabuda kunze kugadzirwa motokari, umo mafuta jekiseni rinoitwa vachishandisa carburetor. Nhasi michina vose vakapakata rokumanikidzirwa jekiseni enyika. basa ravo riri nyore zvikuru, asi mukana kukundikana zvikuru. Zvikurukuru kana mumwe Switch asunungurwa, injini anotanga kushanda nemazvo.

kudzorwa chikwata sei?

mudziyo ichi chinonziwo "pfungwa". Uye ichokwadi, ichi ndicho dema bhokisi "kufunga" sezvo injini kushanda modes siyana. It anoita ose rechipiri chinonzi motor kudzora makumi parameters anosarudza Zvakanyanya Kunaka Panguva Yepamuviri chikamu mhepo musanganiswa pamwe peturu. Anozarura uye anovhara kamwene mune nenguva nenzira, hunokonzera chinotsva nechikoro kusvika combustion yomukati. Kunenge kuti munhu aigona kufunga nokukurumidza sezvo nokudzora chikwata. Chokuita nayo, kwete chete sensors asiwo actuators. Somuenzaniso, imwe mokugezera, uyewo kudzora idling uye nevamwe. Kuongorora muudzame musimboti kushanda, unofanira kufunga pamasikiro mudziyo. Asi pfungwa yacho ECU vematunhu anoratidzwa munyaya.

Internal kombiyuta mudziyo

It chakavakirwa microcontroller. It ane chiyamuro uye goho zvengarava kuti kubatana unoitwa ose actuators uye sensors. Pakati chechipiri, tinofanira kutaura uya kuti anoyera mhepo dziriko. On muenzaniso wawo ichakurukurwa ndiwo sei nerubatsiro anonongedzera kuna electronic kudzora chikwata. sensors All vari chokuita mazano zvengarava kana achishandisa chaiyo voltage vanokamura, kana chete amplifiers pamusoro Os. gudzazwi ichi nzendo pamusoro machipisi kana FET. Uchibatsirwa kwavo kunowedzera chiratidzo chechetere mazano kubva sensors. Asi O zvengarava zvinodikanwa kutonga. Zvinofanira kucherechedzwa kuti ECU pinout mune mota siyana siyana. Naizvozvo, kushandisa pfungwa iri "Chevrolet" mu "vakanciq" angangotadza kubudirira pasina chinokosha rework. Somuenzaniso, ari mokugezera chokuita navo. Asi hazvisi zvinhu zvose zviri nyore, kuti microcontroller goho chengarava anogona kutarisira chete simba mutoro. Nemamwe mashoko, injector Coil kuti hazvigoni chokuita. Naizvozvo, munhu regungano FET yakasimbiswa pakati pavo. Vanobvumira kuti kuvandudza kakawanda chiratidzo kubva controller. Vari kunzi magungano Darlington.

ari algorithm

Asi hapana chimwe chazvo havagoni kushanda microcontroller - pasina algorithm. Nemaziso inogona kumiririrwa somuti yakawanda zvaungasarudza. It vaumbe "nyaya" zvose kuti zvinofanira akapindura wemagetsi uropi. Somuenzaniso, kana kakawanda vachishandisa kutenderera crankshaft muchikuvadza 2000 R / Maminitsi uye yakachena wevasungwa iri pasi, mhepo chekubuda mwero kunowedzera. Chii chinoita kuti injini panyaya dzakadaro? Microcontroller pakarepo anopindura zvose mibvunzo iyi, nokupfupikisa algorithm yokugadzirisa dambudziko. Zvino chitubu unobereka pulses panguva goho zvengarava, zvichiguma injini kune chakaipa mamiriro. Ichi hachisi chinhu kunze ECU firmware.

Where kuisa ECU?

Zvinonzi yakaiswa vose jekiseni nemotokari. Nayo, kuongorora uye kuunganidza mashoko ose achibva sensors iri womukati injini. Zvinosuruvarisa, dzimwe nguva electronic kuzvidzora chikwata rotsva. Saka, inofanira kutsiviwa. Asati kuita pakugadzira chokuita kubviswa electronic Unit, unofanira patsanura simba afoot motokari yose. Nokuti ichi patsanura kuti bhatiri kunaka inouraya. Izvi zvichaita kuti netsaona pfupi nematunhu magetsi remudunhu. Cherechedza kuti kunyange kwenguva duku pfupi vematunhu vanotsamwisa nyore goho kubva mamiriro zvimwe zvinoriumba, kunyanya semiconductors ari pesimba Unit, uye fuses. Cherechedza kuti, apo ECU. Pazuva rokutanga motokari "vakanciq Kalina" Somuenzaniso, riri zvakananga pasi redhiyeta chitofu. Uye kana munhu leakage kudzora yemasoja pakarepo kuparadzwa.

Kubviswa electronic kudzora chikwata

Kana tikatora muenzaniso motokari 2107, ari ECU nayo (chii, imi munotoriziva) riri pasi dashboard, ari mufambi wacho footwell nharaunda. Kuti kuita zvakawanda zvakakunakira gujunura mudziyo, unofanira kubvisa pasherefu, iri zvakananga pasi gurovhisi mupanda. Kuti aite izvi, unofanira sunungura screws kuti murichengete kusvikira parprizu. Kupa kuwana electronic kudzora Unit, zvakakodzerawo kuti nekukatanura chikomboredzo, akavakirwa fuses, relays, uye uchishanda Hardware ichi. Zvino unogona kudzima electronic nechigumbuso waya zvose. Fixed muviri pachishandiswa screws maviri kusvika motokari muviri. Kana chikuru kubatsira "10", sunungura nati uye kubvisa nokudzora chikwata chose. Ndizvozvo, injini kudzora Unit kubviswa chose, hazvina vagadzirira rokugadzira kana kutsiviwa. Installation ane mudziyo mutsva anoitwa nekwekupedzesera.

kuongorora chirwere sensors

Funga muenzaniso zvipfuwo Vaz ndiro chinhu chinokosha nokuda DMRV ose unhu zvinofanira kukurukurwa kuti zvakakodzera mafuta jekiseni. Sezvaunoziva, ose mashoko vari kubva mudziyo uyu sei kushanda yose injini. Inokosha ECU firmware, kana panzvimbo, ndiko mafuta kadhi, umo parameters zvinokosha akawanda dzateyiwa. Kunyanya, uwandu mhepo uye huni akapa kuti murwere nokuda carburetion, injini nokukurumidza uye injini mutoro. Asati tiite yaitsiva mudziyo uyu, zvakakosha kuti abate chiduku Diagnostics. Kwokutanga Check anogona kuitwa pachishandiswa kwakajairika multimeter. With rinofanira kuongorora kuti voltage mutengo aripo panguva Switch zviteshi.

Kuti aite izvi, unplug kubva chivhariso. Multimeter yakatarwa chinzvimbo panguva iyo voltage kuyerwa rinoitwa. Negative kutungamirira zvakabatana dzomunyika injini guru. Tiine kuvesa voltage kuyerwa rinoitwa nezuva rechishanu kushaya ari chivhariso kuenda Switch. Reference pfungwa kunofanira kuchengetwa ari kukosha vanenge 12 volts. Kana paine kutsaudzira simba, zvino pane atadze kushanda zvakanaka pamusoro injini ECU kana akatyoka wiring kusvika Switch. Muna goho rechina vanofanira kuva 5 volts. Kana pane chinokosha yakatsauka kubva kukosha ichi, chikonzero iri kutyora wiring uyewo kana richinge iri kudzorwa chikwata.

Replacement dzedenga kuyerera Switch - yakatsiga mudzimu injini uye kombiyuta

Zvino imi munoziva nezvemakombiyuta. Chii, nokuti chii chinangwa unofanira kuziva. Ndiyo nguva yokutaura zvishoma pamusoro tambo mudziyo, inochinja yayo chaiyo nokushanda. Kutsiva Switch iri zvakanaka nyore. Kuti aite izvi, kushandisa Phillips sikurudhiraivha, sunungura kiramba, iyo wanamatira kamwene. Uyezve kupfura ruoko, iro rinoitwa mhepo nzira yokubudisa. Zvadaro tsinga "10" Zvakakodzera kuti kubvisa screws maviri kuti mugomo vakaita MAF Switch zvakananga mhepo firita. Zvadaro, mukuru Switch anogona kubviswa zvachose. Kugadzwa kuti chikwata nekwekupedzesera. Kana kubvisa Switch kuti kuchenesa, usaedza kushanda panguva wash zononoka, kuubata nemaoko enyu kana zvimwe zvinhu. Chakandibatsira chete spraying munhu pfapfaidzo pana pechiso Platinum waya.

mhedziso

Munoziva zvishoma nezvemakombiyuta. Chii, zvirokwazvo kunzwisisa. Nokuti chinangwa anofanira motokari - zvakare. Edza kuongorora mamiriro kwete chete electronic Unit, asiwo sensors uye actuators. Vanofanira kunge kuva vakakwana ezvinhu, kuti pakanga pasina matambudziko.