P0198 Injin mai zafin firikwensin sigina mai girma

P0198 - OBD-II Bayanin Fasaha na Lambar Matsala

Injin zafin zafin jiki na mai, babban matakin sigina

Menene ma'anar lambar matsala P0198?

Wannan lambar matsala (DTC) tana da alaƙa da watsawa kuma tana aiki da kayan aikin OBD-II kamar su Ford Powerstroke, Chevrolet GMC Duramax, VW, Nissan, Dodge, Jeep, Audi da sauransu. Madaidaicin matakan gyaran gyare-gyare na iya bambanta dangane da abin da aka yi da samfurin.

Firikwensin zafin mai na injin (EOT) yana aika sigina zuwa tsarin sarrafawa (PCM) don tsarin man fetur, lokacin allura da lissafin toshe haske. Hakanan ana kwatanta EOT da sauran na'urori masu auna zafin jiki kamar na'urar firikwensin iska ta Intake Air Temperature (IAT) da firikwensin Coolant Temperature (ECT). Ana amfani da waɗannan na'urori sau da yawa a cikin injunan diesel. EOT na'urori masu auna firikwensin suna karɓar ƙarfin lantarki daga PCM kuma suna canza juriya dangane da zafin mai. Lambar P0198 tana faruwa ne lokacin da PCM ta gano babban siginar EOT, wanda yawanci ke nuna da'ira mai buɗewa.

Sauran lambobin da ke da alaƙa sun haɗa da P0195 ( gazawar firikwensin ), P0196 (matsalolin kewayon / aiki), P0197 (ƙananan sigina), da P0199 (matsalolin firikwensin).

Menene alamun lambar P0198?

Alamar kawai ita ce hasken Injin Duba yana kunne. An ƙera tsarin EOT don gano wasu matsaloli tare da abin hawa, kuma idan kewayenta ya yi kuskure, ƙila ya kasa sarrafa zafin mai. Wannan yana bayyana kansa ta hanyar hasken injin duba (ko hasken kula da injin).

Yaya girman lambar matsala P0198?

Tsananin waɗannan lambobin na iya bambanta daga matsakaici zuwa mai tsanani. A wasu yanayi, musamman idan suna tare da lambobi masu alaƙa da yanayin sanyi, wannan na iya nuna injin mai zafi. Don haka, ana ba da shawarar a warware waɗannan lambobin da wuri-wuri.

Dalili mai yiwuwa

1. EOT gajeren kewayawa zuwa wuta
2. Tsarin sarrafa wutar lantarki (PCM) yayi kuskure
3. Ƙananan zafin injin mai
4. Matsalolin tsarin sanyaya injin
5. Matsalolin wayoyi
6. Na'urar haska zafin zafin mai na injin
7. Ƙunƙarar zafin firikwensin mai na inji yana buɗe ko gajarta.
8. Sensor Zazzabi Mai Zazzaɓin Injin Wuta mara kyau

Ta yaya aka gano lambar P0198?

Don gano wannan lambar, da farko yi duba na gani na firikwensin zafin man inji da wayoyi don neman lalacewa, sako-sako, ko wasu matsaloli. Idan an samu lalacewa, sai a gyara ta, sannan a sake saita lambar a ga ko ta dawo.

Bayan haka, bincika labaran sabis na fasaha (TSBs) masu alaƙa da wannan batu. Idan ba a sami TSBs ba, ci gaba zuwa matakan bincike na tsarin mataki-by-mataki bin umarnin masana'anta. Bincika aikin tsarin sanyaya, tabbatar da cewa injin yana kula da madaidaicin zafin aiki.

Bayan haka, gwada da'irar firikwensin zafin injin mai ta amfani da multimeter. Haɗa kuma cire haɗin firikwensin EOT kuma duba yadda karatun multimeter ke canzawa. Idan karatun ya canza ba zato ba tsammani, firikwensin na iya zama kuskure. Idan ba haka ba, yakamata a maye gurbin firikwensin.

Duba da'irar ma'anar wutar lantarki: Tabbatar cewa EOT yana karɓar ƙarfin tunani daga PCM. Idan ba haka ba, duba da'irar wutar lantarki don buɗewa. Na gaba, gwada da'irar siginar ƙasa, tabbatar da cewa haɗin ƙasa zuwa EOT da PCM suna aiki daidai.

Wataƙila wannan lambar tana nuna guntu a cikin da'irar EOT, kuma kuna buƙatar yin cikakken bincike na wayoyi don nemo da gyara wannan gajeriyar.

Kurakurai na bincike

• Mai fasaha na iya maye gurbin firikwensin ba tare da duba wayoyi zuwa ko daga firikwensin EOT ba.
• Rashin ikon sarrafa wutar lantarki, PCM/ECM yana samar da shi zuwa firikwensin.
• Ba zai yiwu a gano wasu matsalolin da za su iya haifar da ƙananan zafin mai ba.

Yaya girman lambar matsala P0198?

Wannan lambar ba shi yiwuwa ya haifar da mummunar lahani ga abin hawa, amma akwai ƙananan damar cewa zai iya haifar da wasu matsaloli. Duk lokacin da PCM ya yi amfani da matsakaicin ƙarfin lantarki (12,6-14,5V) zuwa da'irori da aka tsara don ƙananan ƙarfin lantarki, yana iya haifar da lalacewa. Duk da haka, yawancin motocin zamani suna da tsarin da aka ƙera don kariya daga irin wannan lalacewa idan wutar lantarki ta wuce abin da ake tsammani.

Menene gyara zai gyara lambar P0198?

1. Gyara wayoyi masu lalacewa, kawar da gajeren kewayawa a cikin wutar lantarki.
2. Gyara PCM (modul sarrafa wutar lantarki).
3. Magance matsalar ƙarancin zafin mai na inji.

Menene lambar injin P0198 [Jagora mai sauri]

P0198 KIA

Ana amfani da firikwensin zafin man inji don auna zafin man injin. Wannan firikwensin yana canza ƙarfin lantarki kuma yana aika siginar da aka gyara zuwa na'ura mai sarrafa injin (ECM), wanda ake amfani da shi azaman siginar shigarwa don auna zafin mai injin. Na'urar firikwensin yana amfani da thermistor, wanda ke kula da canjin yanayin zafi. Juriyar wutar lantarki ta thermistor tana raguwa yayin da yawan zafin jiki ke ƙaruwa.

Lambar P0198 lambar ce ta duniya wacce duk masana'antun ke amfani da ita kuma tana da ma'ana iri ɗaya.

Kowane masana'anta yana amfani da hanyar binciken kansa don gwada wannan tsarin. Ana amfani da wannan lambar sau da yawa a cikin manyan motocin da aka tsara don matsanancin yanayin tuƙi. Irin waɗannan yanayi ba su da iyaka na tuƙi na yau da kullun, wanda ke bayyana dalilin da yasa ba a amfani da EOT a yawancin motocin yau da kullun.