P0477 Ƙarƙashin iskar gas mai sarrafa bawul "A" siginar ƙasa
Lambobin Kuskuren OBD2

P0477 Ƙarƙashin iskar gas mai sarrafa bawul "A" siginar ƙasa

27.09.2023 /

P0477 - OBD-II Bayanin Fasaha na Lambar Matsala

Ƙarƙashin iskar gas mai kula da bawul "A" ƙananan

Menene ma'anar lambar kuskure P0477?

Matsalar P0477 tana da alaƙa da ƙayyadaddun ƙayyadaddun bawul ɗin matsa lamba kuma yana iya faruwa akan motoci iri-iri, gami da Ford, Dodge, Mercedes, Nissan da VW. Wannan lambar tana nuna ƙarancin ƙarfin lantarki da na'urar firikwensin iskar iskar gas ke karantawa kuma ana aika zuwa injin sarrafa injin (PCM). Idan wannan ƙarfin lantarki ya yi ƙasa da al'ada, PCM yana adana lambar P0477.

Bawul ɗin baya na shaye-shaye yana daidaita matsi na baya, wanda ke taimakawa haɓaka dumama ciki da rage lokacin juyewar iska a cikin ƙananan yanayin yanayin yanayi. Module Sarrafa Injin (ECM) yana amfani da bayanai game da matsi na baya, zafin iska, zafin mai, da nauyin injin don sarrafa bawul. Ana sarrafa bawul ɗin ta hanyar da'irar fitarwa ta 12V a cikin ECM.

A cikin ƙananan yanayi na yanayi da wasu yanayi, bawul ɗin na iya kasancewa a rufe a wani ɓangare, yana haifar da zafi na ciki. Yayin da injin da mai ke zafi, bawul ɗin yana daidaita matsa lamba na baya. Shirya matsala P0477 na iya buƙatar duba wayoyi, bawul, da sauran sassan tsarin kula da iskar gas.

Dalili mai yiwuwa

Wannan lambar matsala (P0477) na iya faruwa saboda matsaloli da yawa masu yuwuwa:

  1. Bawul ɗin dubawa da yawa ba daidai ba ne.
  2. Wayoyin da ke haɗa ɓangarorin shaye-shaye na iya zama buɗe ko gajarta.
  3. Matsaloli a cikin ɗimbin shaye-shaye duba da'ira, kamar ƙarancin haɗin lantarki.
  4. Rashin isasshen iko a cikin da'irar wutar lantarki tsakanin solenoid mai sarrafa iskar iskar gas da PCM (Module Control Powertrain).
  5. Bude a cikin da'irar samar da wutar lantarki tsakanin solenoid mai sarrafa iskar iskar gas da PCM.
  6. Short zuwa ƙasa a cikin da'irar samar da wutar lantarki na iskar gas mai sarrafa wutar lantarki.
  7. Matsakaicin iskar iskar gas ɗin da ke juyewa ba shi da kyau.
  8. Matsala mai yuwuwa tare da iskar gas mai sarrafa solenoid ko ma matsala tare da PCM (ko da yake wannan ba zai yuwu ba).

Don warware wannan lambar kuskure, dole ne a gudanar da bincike, farawa tare da duba wayoyi da haɗin wutar lantarki, da ci gaba da bincika abubuwan sarrafa iskar iskar gas kamar na'urar tantancewa da yawa, solenoids, da relays. Mafi kusantar sanadi shine kuskure a cikin wayoyi ko kayan lantarki na tsarin.

Menene alamun lambar kuskure? P0477?

Alamomin da ke da alaƙa da lambar P0477 na iya haɗawa da:

  1. Hasken Ma'auni na Malfunction (MIL) ko "Check Engine" yana zuwa.
  2. Rashin ƙarfin injin da ake buƙata.
  3. Asarar aikin injin, gami da yuwuwar matsalolin jan hankali.
  4. Ƙara lokacin dumama don injin sanyi.

Wadannan bayyanar cututtuka na iya nuna ƙananan matsalolin matsa lamba a cikin tsarin kula da matsa lamba.

Yadda ake gano lambar kuskure P0477?

Don magance lambar kuskure P0477, ana ba da shawarar ku bi waɗannan matakan:

  1. Duba kuma gyara bututun matsa lamba na baya da ya toshe.
  2. Gyara, tsaftacewa ko maye gurbin na'urar firikwensin baya.
  3. Gyara ko maye gurbin bawul ɗin duba matsi na iskar gas.
  4. Bincika kuma, idan ya cancanta, gyara duk wani gajere ko yanke haɗin matsi na shaye-shaye.
  5. Bincika haɗin wutar lantarki a kewayen bawul ɗin matsa lamba na baya. Gyara ko maye gurbin idan ya cancanta.
  6. Maye gurbin shaye-shaye baya matsa lamba solenoids.
  7. Gyara ko musanya abubuwan da suka lalace na lantarki kamar wayoyi da masu haɗawa.
  8. Idan duk sauran matakan sun gaza, yi la'akari da sake gina PCM mara kyau (modul sarrafa injin), kodayake wannan ba shi yiwuwa.
  9. Hakanan yana da kyau a bincika da gyara matsalolin da suka shafi wasu lambobin kuskure a cikin PCM waɗanda ke da alaƙa da tsarin matsa lamba na baya.
  10. Kafin aiwatar da waɗannan matakan, ana ba da shawarar cewa ku sake duba Bulletin Sabis na Fasaha (TSB) don takamaiman abin hawa don tabbatar da cewa masana'antar abin hawa bai samar da firmware na PCM ko sake tsarawa don warware wannan batu ba.
  11. Tuna yin gwaje-gwaje ta amfani da kayan aikin dubawa don share DTCs daga ƙwaƙwalwar ajiya kuma duba ko lambar P0477 ta dawo bayan an gyara gyara.

Kurakurai na bincike

Bacewar Ganewar Bututun Matsi na Baya: Toshe ko toshe bututun matsa lamba na baya na iya zama sanadin gama gari na lambar P0477, duk da haka, ana iya rasa shi a wasu lokuta yayin ganewar asali. Wajibi ne a kula da wannan bangare kuma duba yanayin bututu yayin binciken farko na tsarin.

Yaya girman lambar kuskure? P0477?

Lambar matsala P0477, mai alaƙa da ƙananan ƙa'idodin bawul ɗin matsa lamba, na iya shafar aikin injin da inganci, musamman yayin farawa sanyi. Duk da haka, wannan ba matsala mai mahimmanci ba ce da za ta dakatar da injin nan da nan ko kuma haifar da haɗari ga direba. Duk da haka, idan lambar P0477 ta ci gaba, zai iya haifar da ƙara yawan amfani da man fetur, rage ƙarfin wuta, da kuma tsawon lokacin dumama injin. Ana bada shawara don magance wannan matsala da wuri-wuri don kauce wa ƙarin matsalolin da kuma ci gaba da ci gaba da aikin injiniya.

Menene gyara zai taimaka kawar da lambar? P0477?

Don warware ƙaƙƙarfan ƙayyadaddun ƙayyadaddun ƙayyadaddun matsi na P0477, yi gyare-gyare masu zuwa:

  1. Gyarawa da Gyaran Bututun Matsi na Baya: Duba don toshewa a cikin bututun mai.
  2. Gyara, tsaftacewa da maye gurbin na'urar firikwensin baya: Na'urar firikwensin EBP na iya buƙatar tsaftacewa ko sauyawa.
  3. Maye gurbin shaye-shaye gas matsa lamba duba bawul: Idan bawul ɗin ya lalace ko baya aiki daidai, yana iya buƙatar sauyawa.
  4. Gyaran guntu ko cire haɗin abin hawa matsa lamba mai shayewa: Bincika yanayin wayoyi kuma gyara ko musanya su idan ya cancanta.
  5. Duba haɗin lantarki a cikin da'irar matsi na baya: Kula da yanayin haɗin wutar lantarki da gyara ko maye gurbin idan ya cancanta.
  6. Maye gurbin gurɓataccen shaye-shaye baya matsa lamba solenoids: Idan solenoids sun lalace, maye gurbin su.
  7. Gyara ko gyara abubuwan da suka lalace na lantarki kamar wayoyi da masu haɗawa: Bincika wayoyi don lalacewa da gyara ko musanya abubuwan da suka lalace.
  8. Ana dawo da PCM mara kyau: A lokuta da ba kasafai ba, injin sarrafa injin (PCM) na iya buƙatar gyara ko maye gurbinsa.
  9. Ganewa da magance matsalolin da suka shafi wasu lambobi a cikin PCM masu alaƙa da tsarin matsa lamba na dawowa: Bincika wasu lambobi masu alaƙa kuma warware matsaloli idan akwai.

Tabbatar yin bincike da gyare-gyare bisa ga shawarwarin masana'antun abin hawa kuma yi amfani da kayan aiki daidai. Hakanan ana ba da shawarar ku tuntuɓi ƙwararren kanikanci ko shagon gyaran mota don tantance daidai da warware matsalar lambar P0477.

Menene lambar injin P0477 [Jagora mai sauri]

P0477 – Takamaiman bayanai na Brand


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