P222B Sensor Matsalar Barometric B: Range / Aiki

P222B Sensor Matsalar Barometric B: Range / Aiki

Bayanan Bayani na OBD-II

Barometric Transmitter Transmitter B: Range / Ayyuka

Mene ne wannan yake nufi?

Wannan sigar lambar rikitarwa ce mai rikitarwa (DTC) kuma galibi ana amfani da ita ga motocin OBD-II. Motocin da abin ya shafa na iya haɗawa, amma ba'a iyakance su ba, Chevy, Mazda, Volvo, Acura, Honda, BMW, Isuzu, Mercedes Benz, Cadillac, Hyundai, Saab, Ford, GMC, da sauransu dangane da shekarar. , yi, samfuri da kayan aikin naúrar wutar lantarki.

Yawancin rukunin sarrafa injin (ECMs) suna dogaro da adadi daban-daban na ma'aunai don samar da injin daidai gwargwado. Matsayin iska / mai "mafi kyau" ana kiransa cakuda "stoichiometric": sassa 14.7 na iska zuwa kashi ɗaya na mai. Wasu daga cikin ƙimar da ECM ke sarrafawa don kiyaye cakuda mai a matsayin stoichiometric kamar yadda zai yiwu, amma ba'a iyakance ga: kwararar iska, zazzabi mai sanyaya, saurin injin, buƙatar kaya, yanayin yanayi, da sauransu Wasu tsarin sarrafa injin sun dogara da ƙari akan ci da iskar yanayi. matsa lamba don inganta cakuda.

Ba a ma maganar ba, waɗannan tsarin suna amfani da ƙananan na'urori masu auna firikwensin don cimma sakamako iri ɗaya gwargwadon yadda sarrafa man fetur ya tafi ta wata hanya. Yawanci BAP (barometric iska matsa lamba) ana amfani da na'urori masu auna firikwensin lokacin da MAP (matsi mai cikakken ƙarfi) suma suna nan. Ana amfani da BAPs don auna matsi na yanayi. Wannan ƙimar tana da mahimmanci don tantance gauran mai, kamar yadda ECM ɗin ke buƙatar kwatanta matsa lamba na yanayi tare da matsa lamba da yawa don daidaita cakuda mai zuwa buƙatun tuƙi. Tsayi muhimmin abu ne da za a yi la'akari da shi lokacin bincikar BAP. Dangane da wurin da kuke, alamun ku na iya ƙara tsanantawa ko haɓakawa, musamman idan kuna tafiya akai-akai a wuraren tsaunuka.

Lokacin da aka haɗa harafi a cikin bayanin OBD2 DTC (a wannan yanayin "B"), a mafi yawan lokuta zai nuna wani abu takamaiman (misali, bankunan daban -daban, firikwensin, da'irori, masu haɗawa, da sauransu) a cikin tsarin wanda Kuna a. aiki a ciki. A wannan yanayin, zan ce don tantance wane firikwensin da kuke aiki da shi. Sau da yawa za a sami firikwensin barometric da yawa don samar da ingantaccen karatu. Bugu da ƙari, daidaituwa tsakanin na'urori masu auna sigina don taimakawa cikin sarrafa mai, ba a ma maganar cewa yana taimakawa nemo kurakurai a cikin firikwensin ko da'irori. Tare da duk abubuwan da ke sama, koma zuwa littafin sabis don takamaiman takamaiman harafi don takamaiman abin hawa.

ECM ta saita P222B lokacin da ta gano cewa firikwensin barometric (BAP) firikwensin "B" ko kewaye (s) suna aiki amma ba a cikin jeri na lantarki ba, ko kuma suna aiki ba daidai ba ko rashin inganci.

Barometric matsa lamba haska:

Menene tsananin wannan DTC?

Tsanani a nan zai yi matsakaicin matsayi. Yayin karanta wannan, dole ne a sami wani gaggawa don ci gaba da injin yana aiki yadda yakamata. A duk lokacin da matsala ta iya yin tasiri kai tsaye ga mahimman dabi'u kamar ragin iska / mai kuma yana nan daram, bai kamata ku tuka motar ku don hana lalacewar injin ba. An faɗi haka, idan kun tuka abin hawa bayan laifin yana aiki, kada ku damu da yawa, tabbas kuna lafiya. Babban abin ɗauka shine idan ba a kula da shi ba, zai iya haifar da lalacewar injin cikin gida mai tsada a nan gaba.

Menene wasu alamomin lambar?

Alamomin lambar matsala P222B na iya haɗawa da:

• Ƙarfin ƙarfin injin da aikin (ko iyakance)
• Rashin wutar injin
• Hayaniyar injin mahaukaci
• Ƙanshin mai
• Rage tattalin arzikin mai
• Rage ƙarfin motsa jiki

Mene ne wasu abubuwan da ke haifar da lambar?

Dalilan wannan lambar P222B na iya haɗawa da:

• Raunin firikwensin BAP ko lalace (matsin lamba)
• Mai haɗawa ko lalacewar mai haɗa wutar lantarki
• Matsalar wayoyi (misali buɗewar buɗaɗɗiya, gajeriyar hanya, lalata)
• Short circuit (na ciki ko na inji)
• Raunin lantarki mara ƙarfi
• Lalacewar zafi
• Rashin gazawar injiniya yana sa karatun BAP ya canza
• ECM (Module Control Module) matsala

Menene wasu matakai don warware matsalar P222B?

Mataki na asali # 1

Nemo firikwensin BAP (Barometric Air Pressure) akan takamaiman abin hawa. A cikin gogewa na, wuraren waɗannan firikwensin sun bambanta sosai, don haka zaɓin madaidaicin firikwensin yakamata ya zama mafi mahimmanci. Da zarar an samo, bincika na'urar firikwensin BAP don kowane lalacewar jiki. Matsaloli masu yuwuwar na iya bambanta ta wurin wuri, don haka la'akari da yanayin firikwensin (misali wurare masu zafi sosai, girgizar injin, abubuwa / tarkace hanya, da sauransu).

Mataki na asali # 2

Tabbatar mahaɗin da ke kan firikwensin da kansa yana zaune daidai don tabbatar da haɗin haɗin lantarki mai kyau. Idan firikwensin yana kan injin, yana iya zama ƙarƙashin girgiza, wanda zai iya haifar da haɗin kai ko lalacewar jiki.

NOTE. Ka tuna cire haɗin baturin kafin cire haɗin kowane firikwensin. Dangane da abin hawa / tsarin / firikwensin, zaku iya lalata lalacewar wutar lantarki idan kun manta wannan matakin. Koyaya, idan kuna jin rashin daɗi a nan ko kuna da ƙarancin ilimin injiniyan lantarki, Ina ba da shawarar ku ja / ɗaukar abin hawan ku zuwa shagon gyara mai daraja.

Mataki na asali # 3

Shin akwai wani abu da ke tsoma baki tare da firikwensin? Wannan na iya zama sanadin ƙaruwar matsin lamba barometric. Cikakken karatu yana da alaƙa da mafi kyawun aikin injiniya a cikin waɗannan tsarin sarrafa mai.

Mataki na asali # 4

Amfani da multimeter da makamai tare da ƙimar wutar lantarki da ake buƙata don firikwensin matsa lamba na iska barometric. Kuna buƙatar cire haɗin mai haɗawa daga firikwensin kanta don samun damar fil. Da zarar kun ga fil, bi umarnin masana'anta don yin bincike tare da ƙimomin da ake so sannan ku kwatanta su. Duk wani abu da aka kayyade zai nuna alamar firikwensin. Sauya shi ta bin hanyoyin sake gyara daidai.

Tattaunawar DTC mai dangantaka

• A halin yanzu babu batutuwa masu alaƙa a cikin dandalin mu. Sanya sabon taken akan dandalin yanzu.

Kuna buƙatar ƙarin taimako tare da lambar P222B?

Idan har yanzu kuna buƙatar taimako tare da DTC P222B, 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.