Umjovo we-P20CF Aftertreatment A uvalekile

Umjovo we-P20CF Aftertreatment A uvalekile

Idatha ye-OBD-II DTC

Umshini wokukhipha uphethiloli ngemuva kokulashwa kwegesi

Kusho ukuthini lokhu?

Le Khodi Yezinkinga Zokuxilonga (i-DTC) iyikhodi yokudlulisela ejwayelekile futhi isebenza ezimotweni eziningi ze-OBD-II (1996 nangaphezulu). Lokhu kungabandakanya kepha akukhawulelwe kwiMercedes Benz, Sprinter, GMC, Chevrolet, Ford, njll. Ngokujwayelekile, izinyathelo eziqondile zokulungisa zingahluka ngokuya ngemodeli yonyaka, ukwakheka, imodeli nokudluliswa kokuhambisa.

Uma imoto yakho kadizili inekhodi engu-P20CF egciniwe, kusho ukuthi imodyuli yokulawula amandla we-powertrain (PCM) ayitholakalanga amandla ombane kusekethe yolawulo lokujova i-fuel injector. ...

Uhlelo lwe-Exhaust Aftertreatment System (olubizwa nangokuthi i-Selective Catalyst Recovery System) lusetshenziselwa ukuthuthukisa amakhono wohlelo lwegesi lokukhipha amandla. Ingaqukatha eyodwa noma eziningi zalezi zinto; idizili ye-oxidation catalyst, i-particulate filter, ukunciphisa uhlelo lokujova i-ejenti, i-ammonia slip catalyst ne-nitrogen oxide (NOx) isicupho.

Phakathi kwezinye izinto, amasistimu e-exhaust gas aftertreatment systems (EAS) anesibopho sokujova i-reductant / diesel engine fluid (DEF) enhlanganisweni yamagesi e-exhaust angenhla kwesihlungi se-particulate, isicupho se-NOx kanye / noma isiguquli se-catalytic nge-automated fluid storage. nohlelo lokujova. Ukwengezwa kwe-DEF ohlelweni lokuguqula amandla kunweba isikhathi sokuhlunga futhi kunciphise ukukhishwa kwamagesi ayingozi wokukhipha emkhathini.

Amasistimu we-EAS kanye nama-catalysts abhekiwe futhi alawulwa yi-PCM noma isilawuli esizimele (esixhumana ne-PCM). Isilawuli sihlola izinzwa ze-O2, NOx nezokushisa kwegesi (kanye nokunye okufakwayo) ukuthola isikhathi esifanele somjovo we-DEF (owenziwe kabusha). I-DEF kufanele ijojowe ngesikhathi esifanele nangezinga ngqo ukugcina ukushisa kwegesi ngaphakathi kwemingcele eyamukelekayo nokwandisa ukuhlunga kokungcola.

Uma i-PCM ithola ukuntuleka kwamandla kagesi ku-EAS fuel injector control circuit, ikhodi ye-P20CF izogcinwa futhi isibani sesikhombisi esingasebenzi kahle singakhanyisa.

Buyini ubunzima bale DTC?

Ikhodi egciniwe ye-P20CF kufanele iphathwe ngokungathi sína futhi isuswe ngokushesha okukhulu. Uhlelo lwe-EAS lungalimala ngenxa yezimo ezibe nomthelela ekuphikeleni kwekhodi ye-P20CF.

Yiziphi ezinye zezimpawu zekhodi?

Izimpawu ze-P20CF DTC zingafaka:

• Ukunciphisa ukusebenza kwenjini
• Intuthu emnyama eyeqile ephuma ekuqothulweni kwezimoto
• Ukwehla kwamandla kaphethiloli
• Amanye amakhodi ahlobene ne-EAS / SCR

Yiziphi ezinye zezimbangela ezivamile zekhodi?

Izizathu zale khodi zingabandakanya:

• Isiphathi sefutha se-EAS esinamaphutha
• Isifunda esivulekile noma esifushane ku-EAS circuit control control injection
• I-DEF enganele echibini le-EAS
• Isilawuli esibi se-EAS / PCM noma iphutha lohlelo

Yiziphi ezinye zezinyathelo zokuxazulula inkinga i-P20CF?

Ukuhlonza ikhodi ye-P20CF kudinga isithwebuli sokuxilonga, i-digital volt / ohmmeter (i-DVOM), nomthombo wokuxilonga oqondene nemoto.

Sesha i-Technical Service Bulletin (TSB) efana nonyaka wokwenziwa, ukwenziwa nemodeli yemoto; kanye nokufuduswa kwenjini, amakhodi agciniwe, kanye nezimpawu ezitholakele kunganikeza imininingwane ewusizo yokuxilonga.

Ngithanda ukuqala ukuxilongwa kwami ​​ngokuhlola ngamehlo izintambo zokubopha ze-EAS nezixhumi. Izintambo ezishisiwe noma ezilimele kanye / noma izixhumi kufanele zilungiswe noma zifakwe esikhundleni ngaphambi kokuqhubeka.

Ngangiqhubeka ngokuxhuma isithwebuli kusixhumi sokuxilonga semoto bese ngithola wonke amakhodi agciniwe kanye nedatha yozimele efriziwe. Bhala phansi lolu lwazi ngaphambi kokusula amakhodi. Hlola ukushayela imoto kuze kube yilapho i-PCM ingena kumodi yokulungela noma ikhodi isuliwe.

Uma i-PCM ingena kumodi elungile ngalesi sikhathi, ikhodi iphakathi futhi ingaba nzima kakhulu ukuxilonga. Uma kunjalo, izimo ezibe nomthelela ekugcineni ikhodi zingadinga ukuba zimbi kakhulu ngaphambi kokuba kutholakale ukuxilongwa okunembile.

Uma ikhodi isulwa ngokushesha, isinyathelo esilandelayo sokuxilonga sizodinga ukusesha kumthombo wolwazi lwemoto ukuthola imidwebo yamabhulokhi wokuxilonga, izixhumi zokuxhuma, ubuso bokuxhuma, nezinqubo zokuhlolwa kwengxenye nezinto ezithile. Ungasebenzisa futhi umthombo wolwazi lwemoto yakho ukuthola indawo ngqo ye-A EAS fuel injector.

Sebenzisa i-DVOM ukuhlola (ukwehla kwamandla kagesi) ukunikezwa kwamandla kohlelo lokulawula i-EAS. Hlola amafyuzi ngesifunda esilayishiwe ukuze ugweme ukuxilongwa okungafanele. Uma kutholakala amandla afanele (amandla webhethri) namasekethe angaphansi komhlaba, sebenzisa isithwebuli ukwenza kusebenze i-EAS fuel injector (i-solenoid) bese uhlola amandla okukhipha wesekethe yokulawula. Uma i-voltage inganele, sola ukuthi isilawuli sinesici noma sinephutha lohlelo.

Uma isekethe lokukhishwa kwamandla kagesi lingaphakathi kokucacisiwe, sebenzisa i-DVOM ukuhlola i-EAS fuel injector okukhulunywa ngayo. Uma umjovo ungahlangabezani nemininingwane yomkhiqizi, sola ukuthi awusasebenzi.

• Umjovo kaphethiloli we-EAS umane uwumjovo osuselwa ku-solenoid ofafaza uketshezi oluncibilikayo kumbhobho wokukhipha umoya.
• Ungakhohlwa Izihibe Zomhlaba Lapho Uhlola I-Voltage Drop

Izingxoxo ezihlobene ze-DTC

• Okwamanje azikho izihloko ezihlobene ezinkundleni zethu. Thumela isihloko esisha esithangamini manje.

Udinga usizo olwengeziwe ngekhodi yakho ye-P20CF?

Uma usadinga usizo nge-DTC P20CF, thumela umbuzo kumazwana angezansi kwalesi sihloko.

QAPHELA. Lolu lwazi lunikezwa ngenhloso yokwaziswa kuphela. Akuhloselwe ukuthi isetshenziswe njengesincomo sokulungisa futhi asinacala nganoma yisiphi isenzo osithathayo kunoma iyiphi imoto. Yonke imininingwane ekulesi siza ivikelwe yi-copyright.