P2743 Trans Fluid Temp Sensor B Circuit Babban Input PXNUMX Trans Fluid Temp Sensor B Circuit High Input PXNUMX Trans Fluid Temp Sensor B Input High

P2743 Trans Fluid Temp Sensor B Circuit Babban Input PXNUMX Trans Fluid Temp Sensor B Circuit High Input PXNUMX Trans Fluid Temp Sensor B Input High

Bayanan Bayani na OBD-II

Babban siginar shigarwa a cikin siginar firikwensin ruwan zazzabi mai watsawa B

Mene ne wannan yake nufi?

Wannan Lambar Matsalar Bincike (DTC) lambar watsawa ce gabaɗaya, wanda ke nufin ya shafi motocin OBD-II sanye take da firikwensin zazzabi mai watsawa (Jeep, Ford, Nissan, Toyota, Honda, Infiniti, Acura, Jaguar, Lexus da tD) . Duk da yanayin gabaɗaya, ainihin matakan gyara na iya bambanta dangane da yin / ƙirar.

Na'urar firikwensin zazzabi mai watsawa (TFT) tana ba da siginar da ke amfani da tsarin sarrafa wutar lantarki (PCM) don ƙayyade wuraren juyawa, matsin lamba, da ikon juyawa mai jujjuyawa (TCC). Ana samun firikwensin a cikin kwanon mai na watsawa.

Na'urar firikwensin TFT tana karɓar ƙarfin lantarki (yawanci 5 volts) daga PCM. Yana canza juriya na ciki dangane da zafin jiki na ruwan watsawa don aika siginar ƙarfin juyawa zuwa PCM. Na'urorin firikwensin na TFT wani nau'in thermistor ne mai ƙarancin zafin zafin (NTC). Wannan yana nufin cewa juriya na ciki na firikwensin yayi daidai da zafin mai. Ƙarfin siginar firikwensin TFT yana raguwa lokacin da zafin ruwan watsawa ya hau kuma akasin haka.

An saita P2743 lokacin da PCM ta gano siginar firikwensin zafin zafin ruwa mai watsawa "B". Wannan yawanci yana nuna siginar buɗewa. Tuntuɓi takamaiman littafin sabis na masana'anta don tantance wane "B" kewaya don abin hawa.

Misalin firikwensin zazzabi mai watsa ruwa:

Daidaitawar Maɓallin Zazzabi Sensor "B" lambobin kewaye:

• P2740 Watsawar Ruwa Mai Saurin Sensor B Rashin Tsararraki
• P2741 Watsawa Mai Saurin Zazzabi Sensor B Circuit Range / Performance
• P2742 Watsawa Mai Saurin Zazzabi Sensor B Circuit Low Input
• P2744 Mai watsa Siffar Zazzabi Mai Saurin Ruwa B Rashin aiki

Ƙarfin lamba da alamu

Girman wannan lambar matsakaita ne zuwa mai tsanani. A wasu lokuta, wannan lambar na iya nuna matsalar watsawa. Ana ba da shawarar gyara wannan lambar da wuri-wuri.

Alamomin lambar injin P2743 na iya haɗawa da:

• Fitilar gargadi na injin yana zuwa
• Ba daidai ba aiki na juyawa juyi kama
• Canje -canje masu wahala ko jinkiri
• Motar ta makale a yanayin mutuƙar ƙarewa

dalilai

Dalilin wannan DTC na iya haɗawa da:

• M firikwensin ruwa zafin firikwensin
• Matsalolin watsawa
• Matsalolin wayoyi
• PCM mara lahani

Hanyoyin bincike da gyara

Fara da gani ta hanyar duba firikwensin zazzabi mai watsa ruwa da wayoyi masu alaƙa. Nemo hanyoyin haɗin kai, wayoyin da suka lalace, da sauransu Idan an sami lalacewa, gyara yadda ake buƙata, share lambar kuma duba idan ta dawo. Sannan duba bayanan sabis na fasaha (TSBs) don matsalar. Idan ba a sami komai ba, kuna buƙatar ci gaba zuwa binciken tsarin mataki-mataki.

Na gaba shine hanya gaba ɗaya kamar yadda gwajin wannan lambar ya bambanta daga abin hawa zuwa abin hawa. Don gwada tsarin daidai, kuna buƙatar komawa zuwa takaddar bincike na mai ƙira.

Pre-gwada da'irar

Yi amfani da kayan aikin dubawa don saka idanu siginar bayanan firikwensin zazzabi. Cire haɗin firikwensin TFT; ƙimar kayan aikin sikirin ya kamata ya faɗi zuwa ƙima sosai. Sa'an nan kuma haɗa jumper a fadin tashoshi. Idan kayan aikin dubawa yanzu yana nuna zafin zafin jiki, haɗin yana da kyau kuma ECM na iya gane shigarwar. Wannan yana nufin matsalar tana da alaƙa da firikwensin kuma ba batun kewaye ko PCM ba.

Duba firikwensin

Cire haɗin mai haɗa firikwensin ruwa mai watsa ruwa. Sannan auna juriya tsakanin tashoshi biyu na firikwensin tare da saita DMM zuwa ohms. Fara injin kuma duba ƙimar counter; yakamata ƙimar ta ragu a hankali yayin da injin ke dumama (duba ma'aunin zafin injin a kan dashboard don tabbatar injin yana kan zafin zafin aiki). Idan zafin zafin injin ya tashi amma juriya na TFT ba ya raguwa, firikwensin ya lalace kuma dole ne a maye gurbinsa.

Duba kewaye

Duba gefen ƙarfin wutar lantarki na kewaye: tare da kunna wuta, yi amfani da multimeter na dijital da aka saita zuwa volts don duba ƙarfin lantarki na 5V daga PCM a ɗayan tashoshi biyu na firikwensin TCM. Idan babu siginar nuni, haɗa mita da aka saita zuwa Ohm (tare da kashe wuta) tsakanin tashar nuni ta TFT da tashar tunani ta PCM. Idan karatun mita bai wuce haƙuri ba (OL), akwai kewaye kewaye tsakanin PCM da firikwensin da ke buƙatar kasancewa da gyara. Idan lissafin yana karanta ƙimar lambobi, akwai ci gaba.

Idan komai yayi daidai har zuwa wannan lokacin, zaku so bincika idan 5 volts yana fitowa daga PCM a tashar tashar wutar lantarki. Idan babu ƙarfin lantarki na 5V daga PCM, PCM tabbas yana da lahani.

Duba ƙasa kewaye.

Haɗa mitar juriya (ƙwaƙwalwa KASHE) tsakanin tashar ƙasa akan firikwensin zazzabi mai watsawa da tashar ƙasa akan PCM. Idan karatun mita ya ƙare (OL), akwai buɗewa tsakanin PCM da firikwensin da ke buƙatar ganowa da gyarawa. Idan ma'aunin yana karanta ƙimar lamba, akwai ci gaba. A ƙarshe, tabbatar da cewa PCM ɗin yana da kyau ta hanyar haɗa mita ɗaya zuwa tashar ƙasa ta PCM da ɗayan zuwa ƙasan chassis. Har yanzu, idan mitar ta karanta daga kewayon (OL), akwai buɗaɗɗen kewayawa tsakanin PCM da ƙasa wanda ke buƙatar ganowa da gyarawa.

Idan an duba duk abin da ke cikin sarkar, ana iya samun matsala tare da watsawa. Wannan gaskiya ne musamman idan an saita lambobin zafin ruwan watsawa tare da sauran lambobin watsawa.

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 ku ta p2743?

Idan har yanzu kuna buƙatar taimako tare da DTC P2743, 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.