Diagnostics yeignition system

Kazhinji chikonzero chekuti mota haina kutanga ndeye matambudziko neiyo ignition system. Kuti uzive dambudziko, unofanira ignition diagnostics. Dzimwe nguva hazvisi nyore kuita izvi, nekuti, kutanga, kune nhamba huru yeakaongororwa node (matambudziko anogona kunge ari mumakenduru, masensa akasiyana-siyana, muparadzi uye zvimwe zvinhu), uye chechipiri, pane izvi iwe unofanirwa kushandisa mimwe michina - mota tester, ohmmeter, scanner yekuona zvikanganiso pamichina ine ECU. Ngatitarisei mamiriro ezvinhu aya zvakadzama.

Motokari ignition system

General kurudziro kana ikaparara

Kazhinji kacho, kuputsika kwemotokari yemoto kunosanganiswa nekuputsika kwehutano hwekubatanidza magetsi munharaunda, kana ikozvino kubuda mumatare e-high-voltage. Ngatinyorei muchidimbu izvo zvaunofanira kutanga kuterera kana matambudziko akamuka mukushanda kweiyo iginition system yemotokari, pamwe neiyo algorithm yekuita pairi.

1. Tarisa mamiriro ekuchaja kwebhatiri ne voltmeter. Mhepo pairi inofanira kunge iine 9,5 V. Zvikasadaro, bhatiri rinofanira kubhadharwa kana kuchinjwa.
2. Tarisa mhando yevanobatika pane coil module pane ese spark plugs.
3. Tarisa makenduru ose. Ivo havafanirwe kuve neakakosha madhipoziti matema, uye chinhambwe pakati pema electrode chinofanira kunge chiri 0,7 ... 1,0 mm.
4. Bvisa uye tarisa camshaft uye crankshaft sensors. Kana zvichidikanwa, dzinoda kuchinjwa.

Kazhinji kacho, matambudziko ari mukutyorwa kwemhando yevanobatika kana kubuda kweazvino mumawaya akakwira-voltage. Tarisa kuvharwa kwavo, mamiriro eiyo ignition coil, ignition lock, coil fuse.

Rangarira kuti chikonzero chinogona kuita kuti injini yekupisa yemukati isati yatanga inogona kunge iri anti-kuba system yemota. Usati watanga, tarisa mamiriro ayo.

Zvinowanzokonzera Kukanganisa

Yakakuvadzwa high voltage ignition waya

Kazhinji kacho, kuputsika kweiyo ignition system kunoonekwa mukubatana kwekubatanidza kwemagetsi maseketi, kusanganisira high voltage waya. Kazhinji, nekuda kwekuparadzwa kwekudzivirira kwavo, spark inoputika nepakati pemuviri, izvo zvinokonzera matambudziko mukushanda kwejini inopisa mukati. Zvakanaka kutarisa punched insulation ye high-voltage waya murima. Ipapo spark inobuda inooneka zvakajeka.

Gara wakatarira kuchena kwekudzivirira high voltage waya. Chokwadi. kuti mafuta anopinda pamusoro pawo anonyorovesa zvakanyanya kuvharisa, uye anokwezva zvidimbu zveguruva netsvina kwazviri, izvo zvinogona kukonzera kuparara kwe spark.

Pazvidziviriro zvemakenduru, "makwara" anogona kuoneka apo kuparara kunopfuura. Kana iyo simba isingakodzeri kune yakakwira voltage waya, saka iwe unofanirwa kutarisa yakaderera voltage zvikamu zveiyo ignition system, iyo, iyo voltage inopa kubva kubhatiri kusvika kune ignition coil. Mamiriro anogona kuitika anogona kunge ari switch yekubatidza kana fuse inoputika.

Spark plugs

spark plug electrodes

Kazhinji zvikonzero zvekusashanda zvakanaka muhurongwa matambudziko ane spark plugs. Pakenduru yakanaka:

• ma electrodes pairi haana kupiswa, uye musiyano pakati pavo 0,7 ... 1,0 mm;
• hapana dema soot, machipisi e insulator pane kesi;
• hapana zviratidzo zvekupisa pane yekunze insulator yekenduru, pamwe nekutsemuka kana kukanganisa kwemagetsi.

Iwe unogona kuverenga ruzivo rwekuti ungaziva sei mamiriro ayo ne soot yekenduru uye kuongorora injini inopisa yemukati mune imwe nyaya.

Kufuridzira kunokanganisa

Kukanganisa kwega kwega kunogona kuitika nekuda kwezvikonzero zviviri:

• kusagadzikana kushamwaridzana kwekubatanidza kana kusakanganiswa kusingagumi mune yakaderera-voltage chikamu chemagetsi ekudzima;
• kuparara kwepamusoro-voltage circuit ye ​​ignition system kana kukanganisa kune slider.

Slider uye distributor chivharo

Zvikonzero zvekutadza moto kunogona kunge kuri kuputsika mukushanda kwe crankshaft uye camshaft chinzvimbo sensors (iwe unogona kuona maitiro ekutarisa iyo Imba sensor mune yakaparadzana chinyorwa).

Pamota dzine carbureted, dambudziko ndere distributor cover. Kazhinji kutsemuka kana kukuvara kunoonekwa pairi. Diagnostics inofanira kuitwa kumativi ose, mushure mekupukuta kubva muguruva uye tsvina. Izvo zvinodikanwa kuti utarise kune inogoneka kuvapo kwekutsemuka, kabhoni tracks, kutsva kutsva uye zvimwe zvikanganiso. iwe zvakare unofanirwa kutarisa mamiriro emabhurashi, uye kusimba kwekutsikirira kwavo pamusoro pekusangana pamusoro peinotsvedza. Pakupera kwekudzokorora, zvinokurudzirwa kupfira pamusoro pegadziriro ne desiccant.

Kubatidza coil

Chikonzero chinowanzokonzera matambudziko muhurongwa ndeye ignition coil (inozotevera pfupi pfupi). Basa rayo ndere kuumbwa kwe-high-voltage discharge pane spark plug. Coils akasiyana maitiro. Machina echikuru akashandisa makoiri ane mhepo imwe chete, mamwe mazuvano akashandisa mapatya kana monolithic modules ane high-voltage waya uye lugs. Parizvino, makoiri anowanzo kuisirwa silinda yega yega. Iwo akaiswa pamakenduru, magadzirirwo avo haapi kushandiswa kwepamusoro-voltage waya uye mazano.

Kubatidza coil

Pamotokari dzekare, apo chidimbu chechidimbu chakaiswa mune imwe kopi, kukundikana kwayo (kuputika kwemhepo kana kupfupika mukati mayo) kwakatungamirira kune chokwadi chokuti motokari haina kutanga. Pamotokari dzemazuva ano, kana paine matambudziko pane imwe yemakoiri, mukati memoto injini inotanga ku "troit".

Iwe unogona kuongorora coil yekupisa nenzira dzakasiyana siyana:

• kuongorora kwekuona;
• kushandisa ohmmeter;
• nerubatsiro rwemota-tester (oscillograph).

Munguva yekutarisa kwekuona, zvinodikanwa kunyatsoongorora zvikamu zvezvino zvinodzivirira. Havafanirwe kunge vaine zvisaririra zve soot, pamwe nekutsemuka. Kana panguva yekuongorora iwe wakaona kukanganisa kwakadaro, izvi zvinoreva kuti coil inofanira kuchinjwa.

Diagnostics yekusashanda kwemoto kunosanganisira kuyera kudzivirira kwekudzivirira pane yekutanga uye yechipiri mamhepo eiyo ignition coil. Iwe unogona kuiyera ne ohmmeter (multimeter inoshanda mukupikisa kuyerwa kwemaitiro), nekuita zviyero pamagumo emhepo.

Imwe neimwe coil yekubatidza ine yayo yekupikisa kukosha. Ruzivo rwakadzama runogona kuwanikwa mune zvinyorwa zvehunyanzvi zveiyo.

ruzivo rwakadzama rwekutarisa runoratidzwa muchinyorwa chekuti ungatarisa sei ignition coil. Uye iyo yakanyanya kunaka uye yakakwana nzira yekuongorora iyo coil yekudzima uye iyo yese system inoitwa uchishandisa mota tester (oscilloscope).

Diagnostics yeiyo ignition module

ICE ignition module

Iyo yakataurwa diagnostics inofanirwa kuitwa kana zvinotevera malfunctions zvikaitika:

• isina kugadzikana idling yeinjini yekupisa yemukati;
• kukundikana kwemotokari mukusimudzira mode;
• ICE katatu kana kaviri.

Sezvineiwo, inyanzvi scanner uye motor tester inofanirwa kushandiswa kuongorora iyo ignition module. Nekudaro, sezvo mudziyo uyu uchidhura uye uchishandiswa chete muzviteshi zvebasa rehunyanzvi, zvinoramba zvichigoneka kuti mutyairi akajairwa atarise iyo ignition module chete nenzira dzakavandudzwa. Sezvineiwo, kune nzira nhatu dzekusimbisa:

1. Kutsiva iyo module neinozivikanwa inoshanda. Zvisinei, pane matambudziko akawanda pano. Chekutanga kushaikwa kwemotokari yemupiro. Chechipiri ndechekuti imwe module inofanira kunge yakafanana neiri kutariswa. Chechitatu - waya dzepamusoro-voltage dzinofanirwa kuzivikanwa kuti dziri mumamiriro akanaka. Nokudaro, nzira iyi haiwanzoshandiswa.
2. Module shaking nzira. Kuti uongorore node, iwe unongoda kufambisa block yewaya, pamwe neiyo module pachayo. Kana panguva imwechete iyo nzira yekushanda yejini inopisa mukati inoshanduka zvinooneka, izvi zvinoreva kuti pane imwe nzvimbo pane kushamwaridzana kwakaipa kunoda kugadziriswa.
3. Kuramba kuyerwa. Kuti uite izvi, iwe uchada ohmmeter (multimeter inoshanda mumagetsi ekudzivirira kuyerwa kwemaitiro). Maprobe echishandiso anoyera kushorwa pamaterminal pakati pe1 ne4, uye zvakare 2 uye 3 masilinda. Iko kukosha kwekupikisa kunofanira kunge kwakafanana. Kana iri saizi yayo, inogona kuve yakasiyana kune akasiyana michina. Somuenzaniso, nokuda VAZ-2114 kukosha uku kunofanira kuva munharaunda 5,4 kOhm.

Electronic control system DVSm

Dzinenge mota dzese dzemazuvano dzakashongedzerwa neelectronic control unit (ECU). Iyo inosarudza otomatiki iyo yakakwana inoshanda ma parameter einjini yekupisa yemukati zvichienderana neruzivo rwakagamuchirwa kubva kuma sensors. Nerubatsiro rwayo, unogona kuongorora kuparara kwakaitika mumashini akasiyana masisitimu, kusanganisira iyo yekudzima. Nezve diagnostics, unofanirwa kubatanidza yakakosha scanner, iyo, kana paine chikanganiso, ichakuratidza kodhi yayo. Kazhinji, kukanganisa mukushanda kwegadziriro kunogona kuitika nekuda kwekuparara kweimwe yemagetsi emagetsi anopa ruzivo kune kombiyuta. Yemagetsi scanner inokuzivisa iwe nezve kukanganisa.

Kuongorora kweiyo ignition system uchishandisa oscilloscope

Kazhinji, kana uchitarisa zvine hunyanzvi mabatiro emotokari, mudziyo unonzi motor tester unoshandiswa. Basa rayo rekutanga nderekutarisa yakakwira voltage waveform mune yekudzima system. Uye zvakare, uchishandisa chishandiso ichi, unogona kuona zvinotevera kushanda paramita munguva chaiyo:

Iyo yakazara seti yemota tester yekuongororwa kwemota

• spark voltage;
• nguva yekuvapo kwemoto;
• breakdown voltage ye spark.

Ruzivo rwese runoratidzwa pachiratidziro muchimiro che oscillogram pane komputa skrini, iyo inopa yakazara mufananidzo wekuita kwemakenduru uye zvimwe zvinhu zvemoto unodzima system. Zvichienderana neiyo ignition system, diagnostics inoitwa zvinoenderana neakasiyana algorithms.

kureva, classic (mugovera), munhu uye DIS ignition masisitimu anotariswa uchishandisa oscilloscope nenzira dzakasiyana. Iwe unogona kuwana yakadzama mirairo pane izvi mune yakaparadzana chinyorwa chekutarisa kubatidza neoscilloscope.

zvakawanikwa

kuputsika kwegadziriro yokubatidza moto yemotokari dzimwe nguva kunogona kushanduka kuva zvinetso zvikuru panguva isina kufanira zvikuru. Naizvozvo, isu tinokurudzira kuti nguva nenguva utarise zvinhu zvayo zvakakosha (spark plugs, high-voltage waya, coil). Cheki iyi iri nyore, uye iri mukati mesimba remutyairi asina ruzivo. Uye kana pakaitika kuputsika kwakaoma, tinokurudzira kuti utsvage rubatsiro kubva kune chiteshi chevhisi kuitira kuti uite kuongororwa kwakadzama uchishandisa mota tester uye zvimwe zvekuongorora.