P0405 Ƙananan alamar nuna alamar firikwensin A na tsarin sake dawo da iskar gas

OBD-II Lambar Matsala - P0405 - Takardar Bayanai

Ƙananan matakin sigina a cikin da'irar firikwensin sake zagayowar iskar gas.

P0405 lambar OBD-II ce ta gama gari wacce ke nuna cewa Module Kula da Injin (ECM) ya gano cewa firikwensin Injin Exhaust Gas Recirculation (EGR) ba ya da iyaka. Shigar da firikwensin gajere zuwa ƙasa zuwa ECM.

Menene ma'anar lambar matsala P0405?

Wannan Lambar Matsalar Bincike (DTC) lambar watsawa ce gaba ɗaya, wanda ke nufin ya shafi motocin OBD-II sanye take. Kodayake gabaɗaya a cikin yanayi, takamaiman matakan gyara na iya bambanta dangane da alama / ƙirar.

Akwai kayayyaki daban-daban na tsarin sake zagayowar iskar gas, amma duk suna aiki iri ɗaya. Ƙarƙashin Gas Recirculation Valve wani bawul ne da PCM (Powertrain Control Module) ke sarrafawa wanda ke ba da damar auna yawan iskar iskar gas don komawa cikin silinda don konewa tare da cakuda iska / man fetur. Domin iskar iskar iskar iskar iskar iskar iskar iskar iskar iskar iskar iskar iskar oxygen ce, yin allura da su a cikin silinda zai iya rage zafin konewa, wanda ke taimakawa wajen rage hayakin NOx (nitrogen oxide).

Ba a buƙatar EGR a lokacin fara sanyi ko lokacin bacci. EGR yana samun kuzari a ƙarƙashin wasu sharuɗɗa, kamar lokacin farawa ko ragi. Ana ba da iskar gas ɗin da aka ƙera a ƙarƙashin wasu sharuɗɗa, kamar juzu'i na juzu'i ko raguwa, gwargwadon zafin injin da kaya, da dai sauransu. . Idan ya cancanta, ana kunna bawul ɗin, yana ba da damar iskar gas ta shiga cikin silinda. Wasu tsarin suna fitar da iskar gas kai tsaye zuwa cikin silinda, yayin da wasu kawai ke saka su cikin abubuwan ci, daga inda aka jawo su cikin silinda. yayin da wasu kawai ke allurar da shi a cikin kayan abinci mai yawa, daga inda aka ja shi zuwa cikin silinda.

Wasu tsarin EGR suna da sauƙi, yayin da wasu sun fi rikitarwa. Ana sarrafa madaidaicin iskar gas mai sarrafa wutar lantarki. Haɗin yana haɗawa da bawul ɗin da kansa kuma PCM ne ke sarrafa shi lokacin da ya ga buƙata. Zai iya zama wayoyi 4 ko 5. Yawanci filayen 1 ko 2, da'irar ƙonewa ta 12V, da'irar tunani na 5V, da kewaye. Sauran tsarin ana sarrafa su ta injin. Yana da kyau kai tsaye. PCM yana sarrafa madaidaicin injin wanda, lokacin da aka kunna shi, yana ba da damar injin ɗin ya yi tafiya zuwa buɗe valve EGR. Wannan nau'in bawul ɗin EGR shima dole ne ya sami haɗin lantarki don da'irar amsawa. Maballin amsawa na EGR yana ba PCM damar ganin ko fil ɗin EGR na zahiri yana tafiya da kyau. Idan da'irar mayar da martani ta gano cewa ƙarfin lantarki ba shi da ƙima ko ƙasa da ƙarfin da aka ƙayyade, ana iya saita P0405.

Cutar cututtuka

Alamomin lambar matsala P0405 na iya haɗawa da:

• Hasken MIL (Alamar rashin aiki)
• Hasken Duba Injin zai kunna kuma za'a adana lambar a cikin ECM.
• ECM na iya buɗe bawul ɗin EGR fiye da larura idan ƙarfin lantarki ya yi ƙasa da ƙasa, yana haifar da ingin ya tsaya ko girgiza lokacin da yake hanzari.
• Tsarin EGR na injin na iya haifar da injin ya yi tagumi, ko girgiza, ko ma tsayawa idan bai nuna daidai matsayin bawul ɗin EGR akan ECM ba.
• ECM na iya toshe bawul ɗin buɗewa lokacin da ya gano rashin aiki, kuma injin ɗin zai iya kunna wuta a kan hanzari.

Abubuwan da suka dace don P0405 code

Dalili mai yiwuwa na lambar P0405 sun haɗa da:

• Gajeru zuwa ƙasa a cikin hanyoyin siginar EGR ko da'irar bincike
• Short circuit to voltage in the circuit circuit or signal circuits of the exhaust gas recirculation system
• Bad EGR bawul
• Matsalolin wayoyi mara kyau na PCM saboda ƙaƙƙarfan tashoshi

Matsaloli masu yuwu

Idan kuna da damar yin amfani da kayan aikin sikirin, zaku iya yin umarni da bawul ɗin EGR ON. Idan yana da amsa kuma martani yana nuna cewa bawul ɗin yana tafiya daidai, matsalar na iya zama na lokaci -lokaci. Lokaci -lokaci, a yanayin sanyi, danshi na iya daskarewa a cikin bawul ɗin, yana sa ya manne. Bayan dumama abin hawa, matsalar na iya bacewa. Carbon ko wasu tarkace na iya makalewa a cikin bawul wanda ke sa ya manne.

Idan bawul ɗin sake dawo da iskar gas ɗin bai amsa umurnin kayan aikin scan ba, cire haɗin haɗin haɗin haɗin maɗaurin gas ɗin. Juya maɓallin zuwa matsayi, injin yana kashe (KOEO). Yi amfani da voltmeter don bincika 5 V akan jagoran gwajin bawul EGR. Idan babu 5 volts, akwai wani ƙarfin lantarki kwata -kwata? Idan ƙarfin lantarki shine 12 volts, gyara gajarta zuwa ƙarfin lantarki akan da'irar 5 volt. Idan babu ƙarfin lantarki, haɗa fitilar gwaji zuwa ƙarfin baturi kuma duba waya mai nuni na 5. Idan fitilar gwajin ta haskaka, an rage gajeriyar hanyar 5 V zuwa ƙasa. Gyara idan ya cancanta. Idan fitilar gwajin ba ta haskaka ba, gwada da'irar mahaɗin 5 V don buɗewa. Gyara idan ya cancanta.

Idan babu wata matsala bayyananniya kuma babu bayanin ƙarfin lantarki na 5, PCM na iya zama kuskure, duk da haka akwai yuwuwar wasu lambobin su kasance. Idan akwai volts 5 a cikin da'irar mahaɗi, haɗa waya jumper 5 volt zuwa da'irar siginar EGR. Matsayin sake dawo da gas ɗin kayan aikin scan ɗin ya kamata yanzu ya karanta kashi 100. Idan ba ta haɗa fitilar gwajin da ƙarfin batirin ba, duba da'irar siginar sake maimaita gas ɗin. Idan yana kunne, to an rage gajeriyar siginar zuwa ƙasa. Gyara idan ya cancanta. Idan mai nuna alama bai haskaka ba, bincika don buɗewa a cikin siginar siginar EGR. Gyara idan ya cancanta.

Idan, bayan haɗa madaidaiciyar siginar 5 V zuwa da'irar siginar EGR, kayan aikin binciken yana nuna matsayin EGR na kashi 100 cikin ɗari, bincika rashin kwanciyar hankali akan tashoshi akan mai haɗin valve na EGR. Idan wayoyi suna da kyau, maye gurbin bawul ɗin EGR.

Lambobin EGR masu alaƙa: P0400, P0401, P0402, P0403, P0404, P0406, P0407, P0408, P0409

YAYA AKE YIWA KODON MAGANIN MECHANIC P0405?

• Yana bincika lambobi da bayanan daskare takaddun firam don tabbatar da matsalar
• Share lambobin injin da gwajin hanya don ganin ko tsoro da lambobin sun dawo.
• Yana sa ido kan pid na firikwensin EGR akan na'urar daukar hotan takardu don ganin ko firikwensin yana nuna bawul ɗin yana cikin madaidaicin rufaffiyar matsayi ko kuma idan bayanin ƙarfin firikwensin yana ƙasa da ƙayyadaddun bayanai.
• Yana cire mai haɗin firikwensin EGR, yana bincika mai haɗin don lalata kuma yana tsaftacewa idan ya cancanta.
• Bincika mai haɗawa idan ma'aunin volt 5 ya kai ga mahaɗin firikwensin.
• Haɗa wutar lantarki ta firikwensin da ra'ayoyin ra'ayi tare kuma duba na'urar daukar hotan takardu don nuna wutar lantarki a firikwensin firikwensin EGR.
• Yana maye gurbin firikwensin EGR ko gyara wayoyi kamar yadda ake buƙata, sannan bincika sau biyu don ingantaccen karatun tsarin.

Kurakurai na yau da kullun lokacin gano lambar P0405

• Kar a haɗa wutar lantarki na nunin firikwensin da siginar amsa tare don tabbatar da cewa duk wayoyi suna da kyau kafin maye gurbin firikwensin matsayi na EGR.
• Rashin bincika wayoyi da haɗin kai zuwa firikwensin matsayi na EGR don gajeriyar kewayawa ko buɗewa kafin maye gurbin firikwensin matsayi na EGR.

YAYA MURNA KODE P0405?

• ECM na iya kashe tsarin EGR kuma ya sanya shi baya aiki lokacin da wannan lambar ke aiki.
• Haskaka hasken Injin Duba zai haifar da gazawar gwajin fitarwa.
• Matsayin EGR yana da mahimmanci ga ECM don sarrafa buɗaɗɗen buɗewa da rufewa na EGR bawul kuma yana iya haifar da injin yin aiki mai wahala da tsayawa.

WANE GYARA ZA SU IYA GYARA CODE P0405?

• Sauya firikwensin matsayi na EGR, tabbatar da cewa wayar tana da kyau.
• Shortan Harness Haɗe-haɗe zuwa Sensor Matsayin EGR ko Mai Haɗin Dawowar Sigina
• Kawar da hutu a cikin ƙarfin magana zuwa firikwensin EGR

KARIN BAYANI DOMIN SAMUN LABARAN P0405

An kunna lambar P0405 lokacin da matsayin EGR ya kasance ƙasa da matsayin firikwensin ECM da ake tsammani kuma mafi yawan sanadin shine cewa firikwensin EGR yana da da'irar buɗewa ta ciki.

P0405 ✅ ALAMOMIN DA GYARAN MAGANI ✅ - OBD2 Laifin Laifin

Kuna buƙatar ƙarin taimako tare da lambar ku ta p0405?

Idan har yanzu kuna buƙatar taimako tare da DTC P0405, aika tambaya a cikin sharhin da ke ƙasa wannan labarin.

NOTE. An ba da wannan bayanin don dalilai na bayanai kawai. Ba a yi nufin amfani da shi azaman shawarar gyara ba kuma ba mu da alhakin duk wani mataki da za ku ɗauka a kan kowane abin hawa. Duk bayanan da ke wannan shafin ana kiyaye su ta haƙƙin mallaka.