P20E7 Yakanyanya yakakwira mweya kumanikidza jekiseni rekudzora mumiririri

P20E7 Yakanyanya yakakwira mweya kumanikidza jekiseni rekudzora mumiririri

OBD-II DTC Dhata

Kumanikidzwa kwemhepo kwakanyanya kukwirisa jekiseni rekudzora mumiririri

Izvi zvinorevei?

Iyi Yekuongorora Dambudziko Kodhi (DTC) ndeye yakajairika kodhi yekufambisa uye inoshanda kune mazhinji OBD-II mota (1996 uye nyowani). Izvi zvinogona kusanganisira, asi hazvirevi kune, BMW, Mercedes-Benz, Dodge, Sprinter, nezvimwe. Kunyange hazvo zvakajairika, matanho chaiwo ekugadzirisa anogona kusiyana zvichienderana nemhando yegore, gadzira, modhi, uye gadziriso yekutumira.

Kodhi yakachengetwa P20E7 inoreva kuti iyo powertrain control module (PCM) yaona kuti inoderedza jekiseni mweya kumanikidza kwakanyanya.

Iyo catalyst system inoitisa kudzikisira (kunyanya) zvese zvinopedza kubuda, kunyangwe mamwe mashandisirwo akave akashongedzerwa neNox musungo.

Exhaust Gesi Kutenderera (EGR) masisitimu anotora rimwe danho mukuderedza NOx emissions. Nekudaro, yanhasi makuru, enjini dzedhiziri dzine simba kwazvo hadzigone kusangana neyakaomarara federal (US) emission zviyero neEGR chete, DPF / chinogadzirisa chinogadziriswa, uye NOx musungo. Neichi chikonzero, masarudzo akasarudzika ekuderedza (SCR) akagadzirwa.

MaSCR masisitimu anopinza inodzora kudhizaina kana Diesel Exhaust Fluid (DEF) mukati memhepo yekumusoro inokwira kumusoro kweiyo firita firita, NOx musungo uye / kana chinogadzirisa chinogadzirisa kuburikidza neinodzora jekiseni revhavha (solenoid). Iyo chaiyo yakaverengerwa DEF jekiseni inokwidza tembiricha yechinhu chesefa uye ichiitendera kuti ishande zvakanyanya. Inotambanudza hupenyu hwebasa resefa zvinhu uye inobatsira kudzikisira kuburitswa kwemagasi ekukuvadza anokuvadza mumhepo. Iyo yose SCR system inodzorwa uye kuongororwa nePCM kana inomira-yega mutungamiriri (iyo inobatana nePCM). Chero zvazvingaitika, mutungamiriri anotarisa iyo O2, NOx uye yekupedza gasi tembiricha sensors (pamwe nezvimwe zvigadzirwa) kuona nguva yakakodzera yeiyo DEF (inoderedza) jekiseni. Precision DEF jekiseni inodiwa kuchengetedza iyo yekuzadza gasi tembiricha mukati meyakagamuchirwa parameter uye kugadzirisa iyo filtration yezvinosvibisa.

Iyo inodzora / yekumutsiridza pombi inoshandiswa kumanikidza iyo DEF mune inoderedza mvura sisitimu yekushandisa pazvinenge zvichidikanwa. Iyo PCM inoongorora iyo yekupa pombi voltage yeinoramba ichichinja uye mutoro muzana. Iyo PCM inoongororawo imwe kana anopfuura maseru ekumanikidza mune inodzora sisitimu yekuona kana paine kudonha musystem.

Kana iyo PCM ikaona abnormal abnormally high reductant jekiseni kudzvinyirirwa kwemhepo, kodhi P20E7 ichachengetwa uye mwenje wechiratidzo chekushaya simba (MIL) inogona kuuya. Kuvhenekera kweMIL kungangoda kutenderera kwakawanda - kana kutadza.

Chii chakakomba cheiyi DTC?

Iyo yakachengetwa P20E7 kodhi inofanirwa kurapwa seyakakomba uye inogadziriswa nekukurumidza sezvazvinogona. Iyo SCR system inogona kuve yakaremara nekuda kweizvi. Catalyst kukuvara kunogona kuitika kana iwo mamiriro akakonzera kuenderera kwekodhi isina kugadziriswa nenzira yakakodzera.

Ndezvipi zvimwe zvezviratidzo zvekodhi?

Zviratidzo zveP20E7 kodhi yekutambudzika inogona kusanganisira:

• Yakadzikira mafuta kunyatsoshanda
• Hutsi hutema hwakawandisa kubva mumotokari chiutsi
• Yakaderedzwa injini kuita
• Mamwe macode ane chekuita neCSC

Ndezvipi zvimwe zvezvikonzero zvinowanzoitika zveiyo kodhi?

Zvikonzero zveiyi kodhi zvinogona kusanganisira:

• Kumanikidzwa kwemhepo kwakanyanya kukwirisa jekiseni rekudzora mumiririri
• Inokanganisa kudzora mumiririri jekiseni mweya yekumanikidza sensor
• Yakavhurika kana ipfupi dunhu muketani muhurongwa hwemhepo yekumanikidza sensor yejekiseni reductant
• Yakashata SCR / PCM controller kana programming kukanganisa

Ndeapi mamwe matanho eP20E7 ekugadzirisa matambudziko?

Ita shuwa iyo yekudzora / yekumutsiridza system haina kurasikirwa nekumanikidza (kwemukati kana kwekunze). Vhura pombi kuti uwedzere kumanikidza uye tarisa iyo system yekubuda kwekunze. Shandisa peturu kumanikidza muyedzo kuti wega utarise kumanikidza mune inoderedza system. Tarisa pombi yekudyisa uye kamwene kuti idonhe. Kana kuvuza (kwemukati kana kwekunze) kukawanikwa, kunofanirwa kugadziriswa usati waenderera nechirwere.

Kuti uongorore iyo P20E7 kodhi, iwe unozoda yekuongorora scanner, yedhijitari volt / ohmmeter (DVOM), uye sosi yemotokari-yakanangana neruzivo rwekuongorora.

Iwe unogona kushandisa yako mota ruzivo sosi kuti uwane technical Service Bulletin (TSB) inoenderana negore rekugadzira, kugadzira uye modhi yemota; pamwe neinjini inofamba, makodhi akachengetwa uye zviratidzo zvakaonekwa. Kana iwe ukaiwana, inogona kupa ruzivo rwakakosha rwekuongorora.

Shandisa scanner (yakabatana nesokisi rekuongorora mota) kuti utore ese macode akachengetedzwa uye inosanganisirwa dhizaini yedhata. Zvinokurudzirwa kuti unyore pasi ruzivo urwu usati wabvisa macode uye wozoedza kutyaira mota kudzamara PCM yapinda yakagadzirira modhi kana kodhi yadzimwa.

Kana iyo PCM ikapinda yakagadzirira modhi panguva ino, kodhi iri yepakati uye inogona kuve yakanyanya kunetsa kuongorora. Muchiitiko ichi, mamiriro akakonzera kuchengetedzwa kwekodhi angangoda kuwedzera kusati kwanyatso kuongororwa.

Kana iyo kodhi yadzoswazve ipapo, inotevera nhanho yekuongorora inoda kuti iwe utsvage yako mota ruzivo sosi yekuongorora ekuvharisa madhayagiramu, mapini, macomputer maficha, uye echikamu bvunzo maitiro / maratidziro.

vanotsika 1

Shandisa iyo DVOM kuyedza ekumanikidza maseru eanodzora jekiseni system zvinoenderana neyakagadzirwa magadzirirwo. Zvinhu zvinokundikana bvunzo mukati mehuwandu hwepamutemo zvinotenderwa zvinofanirwa kutariswa zvisina kukwana.

vanotsika 2

Kana iyo jekiseni kumanikidza kweiyo inoderedza iri mukati mezvakatemwa, iyo P20E7 kodhi inoramba ichiramba uye iyo sensor iri mubvunzo iri kushanda, shandisa iyo DVOM kutarisa iyo yekuisa uye yekubuda maseketi pakati peiyo sensors nePCM / SCR. Dzinga vatongi vese usati washandisa iyo DVOM kuyedza.

• Dzinodzora bhaizi sensor makodhi anowanzo kuve anofambidzana nemapombi ekudyisa ari kubuda mukati.

Inoenderana DTC hurukuro

• Ikozvino hapana misoro inoenderana mumaforamu edu. Tumira chinyorwa chitsva paforum izvozvi.

Unoda rumwe rubatsiro neiyo P20E7 kodhi?

Kana iwe uchiri kuda rubatsiro neDTC P20E7, tumira mubvunzo wako mune zvakataurwa pazasi peichi chinyorwa.

ONA. Ruzivo urwu rwunopihwa ruzivo rwezvinangwa chete. Izvo hazvina kuitirwa kuti ishandiswe sekurudziro yekugadzirisa uye isu hatisi ivo vane basa kune chero chiito iwe chaunotora pane chero mota. Zvese ruzivo pane ino saiti zvinodzivirirwa ne copyright.