Subaru Forester buga firikwensin

Pistons a cikin injin konewa na ciki yana motsawa saboda konewar cakuda mai a cikin cakuda.Tsarin yana da halayen fashewa, sabili da haka, ko da ɗan raguwar ƙarfinsa, mita, haɓakar haɓakar lalacewa na injin, iko. tsarin. Fashewa (DD) wani yanki ne na yau da kullun na mota, ci gaba a Subaru da Soviet Forester.

Menene firikwensin ƙwanƙwasa: ayyuka da ɗawainiya

Pistons tagwaye suna motsa hayaki daga gobarar walƙiya, babban ƙarfin wanda ke da babban mitar a cikin sashin aiki. Iyakar ƙarfin da ya wuce kima, irin waɗannan iko na kewayon fashewa, wanda suke zama lalata ga tsarin, yana da bakin ciki sosai. Rashin cin zarafi ba lallai ba ne yana nufin cewa raguwa ya faru nan da nan, amma lalacewa na motar da gina gine-gine tare da shi zai hanzarta.

Keɓance alamun da ba mafi kyau ba na ƙonewa na mai ƙonewa a cikin cakuda tare da karkata daga al'ada ta hanyar daidaitawa - sashin kulawa a bayyane (ECU). Ba za a aiwatar da saitin ba idan tsarin bai "san" game da fashewa ba - don lura da abin da ya faru shine na'urar firikwensin ƙwanƙwasa (DD, firikwensin bugun). Saboda haka, daidaitaccen aikin sa ya dogara ne akan daidaitattun saitunan a cikin dukkanin tsarin da aka kwatanta, ingancin wutar lantarki, albarkatun da nodes.

Menene DD yayi kama?

Subaru Forester ƙwanƙwasa firikwensin, kamar yawancin samfuran wannan alamar, torus ne mai zagaye. A gefe, an sanye shi da tasha don haɗawa da na'urar sarrafa wutar lantarki na injin konewa na ciki. A tsakiyar akwai rami don hawa. An shigar da wani nau'i na piezoelectric a cikin sashin intrafunctional na firikwensin, wanda ke amsa ga girgiza ta hanyar ƙirƙirar ƙaramin ƙarfin lantarki da mitar da aka ba.

Kwamfuta kullum tana nazarin bugun jini da ke fitowa daga na'urori masu auna firikwensin - Idan akwai sabawa daga ma'auni na al'ada, kimantawar bayyanar fashewar. ƙananan ƙonewa na Fuel Mixture.

Ina na'urar firikwensin bugawa yake?

Wurin don DD an ƙaddara ta masu zanen kaya don a samu ingantaccen hankali, wanda ke ƙara daidaiton gano fashewa ko da a farkon matakan bincike.

Wurin firikwensin ƙwanƙwasa yana tsakanin akwatin tace iska da nau'in abun ciki, a ƙarƙashin bawul ɗin magudanar ruwa, wurin da yake daidai akan sashi tare da cylinders.

Yadda ake duba firikwensin bugun

Lalacewa ga firikwensin ƙwanƙwasa Da farko, ana nuna kurakuran rajistan ayyukan (lambobi) akan gano ecu ta kwamfutar da ke kan allo. Duba Injin yana nunawa akan panel. Wannan tsarin gano kansa dole ne a samo shi a cikin samfuran Subaru na zamani kuma yana da ikon daidaita yanayin firikwensin, ƙara ƙarfin fitarwa, da buɗewa. Kowane nau'in rashin aiki yana da lambar kansa, ƙaddamarwa yana cikin takaddun fasaha akan na'ura, bayanin yana samuwa akan Intanet.

Multimeter

Kuna iya nazarin lafiyar DD tare da multimeter ko voltmeter. Oda:

• Rage firikwensin: ba a buɗe kullin gyarawa ba, taron yana kashewa cikin sauƙi. Wurin, kamannin da muka yi amfani da su a sama, ba za a iya samun firikwensin ba.
• Ana haɗa masu gwajin gwaji zuwa abin fitarwa. Canjin Multimeter zuwa ma'aunin DC na yanzu, kewayon kusan 200mV (ko ƙasa da haka).
• Tare da ƙoƙari mai ma'ana, kuna buƙatar farawa, zaku iya dannawa, amfani da ɓangaren dd tare da ƙugiya, sandar ƙarfe, screwdriver. A lokacin amfani, lokaci zai zo kuma za a haifi gidan daga 20 ga Mayu zuwa 30 ga Mayu.
• Kalli na'urorin. A cikin yanayi mai kyau, tasirin yana tare da haɓakar wutar lantarki kowane lokaci. Rashin amsa yana nufin gazawa.

Hanyar tabbatarwa ta biyu tayi kama da wacce aka bayyana, Gwaji kawai a cikin yanayin auna juriya (alama akan mai zaɓi har zuwa 1000 ohms ko 1 kΩ). A cikin al'ada jihar zai kasance game da 400-600. A lokacin ƙwanƙwasawa, ƙimar da ke kan allo za ta yi girma sosai (yawanci 1-2 com) kuma ta koma asalin haɗin gwiwa.

Shawarwari:

• a kowane hali ya zama dole a duba cewa girman da ke kan nuni ya koma baya. Idan wannan ya faru tare da jaraba, to, firikwensin ya fi dacewa ya karye;
• kana buƙatar tabbatar da cewa an haɗa masu binciken amintacce - lambobin sadarwa akan firikwensin na iya zama datti, p;
• Canje-canjen ƙarfin lantarki a fadin firikwensin na iya zama millivolts da yawa, ba kowane gwaji zai iya nuna shi ba. Kuma lokacin auna juriya a cikin Ohms, don haka, irin wannan cak shine fifiko;
• a lokaci mai inganci, idan kun auna ƙarfin lantarki, multimeter dole ne ya sami ingancin da ake buƙata.

Duban kewayawa zuwa toshewar kwamfuta

Asalin wadannan. Firikwensin baya cirewa. Cire filogin ECU, da farko cire haɗin "-" akan baturin. Auna girman bugun bugun da aka yi amfani da shi. Wahalar ita ce, kana buƙatar sanin filogi, wanda kwasfa na kushin ke kashe firikwensin. Don sanin aure nagari da hannu ko ma sauƙi - samun bayanai daga wurin

Ana iya amfani da abin da aka kwatanta don gano yiwuwar da'irar lantarki zuwa sashin sarrafawa, ana auna ƙimar abin da aka kawo. Oda:

1. Cire katange daga naúrar sarrafa motar.
2. Ana samun lambobin sadarwa guda 2 akan toshe, ana haɗa masu gwajin gwajin, idan basu kunna ba, zaku iya siyar da wayoyi zuwa gare su.
3. Mai zaɓin gwaji yana fassara zuwa alamar ƙarfin lantarki na 200 mV.
4. Suna buga firikwensin ko ba sa saurare shi a gabansa. Lambobin da ke kan allo yakamata su canza cikin tsalle-tsalle da iyakoki.

Hakanan yana da kyau a bincika braid ɗin kariya daga ECU zuwa DD: saboda lalacewarsa, jituwa na iya bayyana wanda ke shafar aikin sashin da ingantaccen shigarwa na ECU yanke shawara.

Duba ba tare da tarwatsa ba

Yana yiwuwa a bincika Subaru buga firikwensin, kuma ba a iya gani daga mota:

1. Canja injin zuwa aiki.
2. Matsa sashin aiki na firikwensin.
3. Idan gudun crankshaft daidai ne, gaskiyar cewa idan hakan bai faru ba, to ba lallai ba ne rushewa ya faru.

Matsaloli a cikin ganewar asali

Rashin lahani na hanyoyin masu zaman kansu don bincika DD shine cewa dukkansu basa bada izinin daidai, gaba ɗaya 100% ko da kusa da yuwuwar tantance yanayin firikwensin. Dalilin shi ne a cikin peculiarities na aiki: ga na'urar aiki na yau da kullum, bugun jini na mitar mita, lokaci-lokaci na oscillations dole ne a ƙirƙira, kuma wannan ya dogara da matakin vibrations, wanda ba shi da sauƙi don ƙirƙirar a duk canje-canjen mita.

Yawancin abubuwan da ke sama, cikakken bincike tare da ingantaccen hanyoyin ba zai yiwu ba - kawai dubawa akan tsayawar musamman ko na'urar ganowa yana ba da sakamako daidai.

Duk hanyoyi masu zaman kansu tare da kayan aikin da aka inganta, multimeter, dangane da ƙananan yiwuwar na'urar firikwensin, amma a wasu lokuta masu mahimmanci, tsalle-tsalle ba a nuna su ba, amma ƙarin halayen su, wanda aka ƙayyade kawai ta wani takamaiman mai gwadawa.

Sauyawa

Matakin shiri - kayan aikin: ɗaurewa a cikin aiwatar da kwancewa tare da buɗe ƙarshen "10", madaidaicin soket "12", ratchet tare da igiya mai tsawo, crank. Kuna buƙatar madaidaicin screwdriver. Don tsaftacewa - rags, don zaren tsatsa - mai mai shiga ciki.

Hanyar maye gurbin firikwensin ƙwanƙwasa

Cire tsoho da shigar da sabon firikwensin ƙwanƙwasa akan Subaru Forester ya ƙunshi hanya mai zuwa. Cibiyar sadarwa ta hana shi samun kuzari, daga tashar “-” na baturi. Suna cire intercooler, wanda 2 fasteners aka unscrewed, biyu clamps an sassauta.

Cire haɗin "chip" (mai haɗawa) na firikwensin ƙwanƙwasa.

Ba a kwance abin rufewa ba, an ciro DD da shi.

Mataki na ƙarshe shine shigar da sabon firikwensin ƙwanƙwasa. An gudanar da taro a tsarin baya.