P2000 Ăifeachtacht Gaiste NOx Faoi bhun an Bhainc TairsĂ 1
Ăbhar
P2000 Ăifeachtacht Gaiste NOx Faoi bhun an Bhainc TairsĂ 1
Bileog SonraĂ OBD-II DTC
Ăifeachtacht GabhĂĄla NOx Faoi Thairseach, Banc 1
Cad a chiallaĂonn sĂ© seo?
Is cĂłd cineĂĄlach tarchuir Ă© an CĂłd TrioblĂłidĂ DiagnĂłiseacha seo (DTC), rud a chiallaĂonn go mbaineann sĂ© le gach feithicil i 1996 (Nissan, Honda, Infiniti, Ford, Dodge, Acura, Toyota, srl.). CĂ© go ginearĂĄlta, dâfhĂ©adfadh go mbeadh cĂ©imeanna deisiĂșchĂĄin ar leith difriĂșil ag brath ar an mbranda / samhail.
CiallaĂonn P2000 stĂłrĂĄilte gur aimsigh an modĂșl rialaithe powertrain (PCM) leibhĂ©al ocsaĂd nĂtrigine (NOx) atĂĄ os cionn na teorann clĂĄraithe. TagraĂonn Banc 1 do thaobh an innill ina bhfuil sorcĂłir uimhir a haon.
AstaĂonn an t-inneall dĂłchĂĄin inmheĂĄnaigh NOx mar ghĂĄs sceite. NĂl cĂłrais tiontaire catalaĂoch, a ĂșsĂĄidtear chun astaĂochtaĂ NOx in innill bhreoslaithe gĂĄis a laghdĂș, chomh hĂ©ifeachtĂșil in innill dĂosail. TĂĄ sĂ© seo mar gheall ar an cion ocsaigine nĂos airde i ngĂĄis sceite innill dĂosail. Mar mhodh tĂĄnaisteach chun tĂ©arnamh NOx in innill dĂosail, caithfear gaiste NOx nĂł cĂłras asaithe NOx a ĂșsĂĄid. Baineann feithiclĂ dĂosail ĂșsĂĄid as cĂłrais Roghnaithe um LaghdĂș CatalaĂoch (SCR), a bhfuil gaiste NOx mar chuid dĂobh.
ĂsĂĄidtear Zeolite chun mĂłilĂnĂ NOx a ghaisteĂĄil chun iad a scaoileadh saor san atmaisfĂ©ar. TĂĄ grĂ©asĂĄn de chomhdhĂșile zeolite ar ancaire taobh istigh de thithĂocht a bhfuil cuma tiontaire catalaĂoch air. TĂ©ann gĂĄis sceite trĂd an chanbhĂĄs agus fanann NOx istigh.
Chun struchtĂșr na zeolite a athnuachan, dĂ©antar ceimiceĂĄin inadhainte nĂł inadhainte a instealladh trĂ chĂłras insteallta atĂĄ rialaithe go leictreonach. Baineadh ĂșsĂĄid as ceimiceĂĄin Ă©agsĂșla chun na crĂche seo, ach is Ă© dĂosal an ceann is praiticiĂșla.
I SCR, ĂșsĂĄidtear braiteoirĂ NOx ar an mbealach cĂ©anna le braiteoirĂ ocsaigine in innill gĂĄsailĂn, ach nĂ dhĂ©anann siad difear don straitĂ©is um oiriĂșnĂș breosla. DĂ©anann siad monatĂłireacht ar chĂĄithnĂnĂ NOx in ionad leibhĂ©il ocsaigine. DĂ©anann an PCM monatĂłireacht ar na sonraĂ Ăł na braiteoirĂ NOx roimh agus tar Ă©is an chatalaĂoch chun Ă©ifeachtĂșlacht aisghabhĂĄla NOx a rĂomh. ĂsĂĄidtear na sonraĂ seo freisin i straitĂ©is seachadta an laghdaitheora leachtach NOx.
DĂ©antar an gnĂomhaire laghdaithe a instealladh ag ĂșsĂĄid insteallĂłir atĂĄ rialaithe go leictreonach Ăłn PCM nĂł Ăłn modĂșl SCR. TĂĄ laghdaitheoir / dĂosal leachtach NOx sa taiscumar iargĂșlta; tĂĄ sĂ© cosĂșil le umar breosla beag. Gintear an brĂș laghdaitheach le caidĂ©al breosla atĂĄ rialaithe go leictreonach.
MĂĄ bhraitheann an PCM leibhĂ©al NOx nĂos mĂł nĂĄ an teorainn clĂĄraithe, stĂłrĂĄlfar cĂłd P2000 agus fĂ©adfaidh an lampa tĂĄscaire mĂfheidhmithe soilsiĂș.
comharthaĂ
FĂ©adfaidh comharthaĂ de chĂłd P2000 a bheith san ĂĄireamh:
- Deatach iomarcach Ăł sceite innill
- FeidhmĂocht innill laghdaithe laghdaithe
- Teocht an innill méadaithe
- ĂifeachtĂșlacht breosla laghdaithe
CĂșiseanna
I measc na gcĂșiseanna fĂ©ideartha a bhaineann leis an gcĂłd innill seo tĂĄ:
- Gaiste NOx lochtach nĂł rĂł-ualaithe nĂł eilimint gaiste NOx
- CĂłras insteallta sreabhĂĄn sceite dĂosail lochtach
- SreabhĂĄn laghdaithe NOx mĂ-oiriĂșnach nĂł mĂ-oiriĂșnach
- CĂłras athchĂșrsaithe gĂĄis sceite neamhoibritheach
- Sceitheadh ââmĂłr gĂĄis sceite os comhair gaiste NOx
NĂłsanna imeachta diagnĂłiseacha agus deisiĂșchĂĄin
Pointe tosaigh maith i gcĂłnaĂ na feasachĂĄin seirbhĂse teicniĂșla (TSB) a sheiceĂĄil le haghaidh dâfheithicil ar leith. DâfhĂ©adfadh gur fadhb aitheanta Ă an fhadhb atĂĄ agat le socrĂș aitheanta a scaoiltear Ăłn monarĂłir agus dâfhĂ©adfadh sĂ© am agus airgead a shĂĄbhĂĄil duit le linn diagnĂłisic.
Chun an cĂłd P2000 a dhiagnĂłisiĂș, beidh scanĂłir diagnĂłiseach, voltas / ohmmhĂ©adar digiteach (DVOM) ag teastĂĄil uait, agus foinse faisnĂ©ise feithicle mar All Data (DIY).
ThosĂłinn trĂ iniĂșchadh amhairc a dhĂ©anamh ar na leasanna agus na nascĂłirĂ sreangaithe go lĂ©ir sa chĂłras. DĂrigh ar shreangĂș in aice le comhphĂĄirteanna sceite te agus sciatha sceite gĂ©ara.
SeiceĂĄil an cĂłras sceite le haghaidh sceitheanna agus deisiĂș mĂĄs gĂĄ.
Déan cinnte go bhfuil laghdaitheoir san umar SCR agus go bhfuil sé den chaighdeån ceart. Lean moltaà an mhonaróra agus an sreabhån laghdaitheach å chur leis.
SeiceĂĄil oibriĂș an chĂłrais athchĂșrsaithe gĂĄis sceite (EGR) le scanĂłir. AthchĂłirigh gach cĂłd EGR stĂłrĂĄilte sula ndĂ©anann tĂș iarracht an cĂłd seo a dhiagnĂłisiĂș.
Faigh na DTCanna stĂłrĂĄilte go lĂ©ir agus dĂ©an sonraĂ frĂĄma a reo trĂd an scanĂłir a nascadh le calafort diagnĂłiseach na feithicle. ScrĂobh sĂos an fhaisnĂ©is seo; dâfhĂ©adfadh sĂ© seo a bheith ina chuidiĂș chun cĂłd uaineach a dhiagnĂłisiĂș. Glan na cĂłid Ăłn gcĂłras agus cuir tĂșs leis an inneall. Ligfinn don inneall gnĂĄth-theocht oibriĂșchĂĄin a bhaint amach agus an carr a thĂĄstĂĄil chun a fhĂĄil amach an raibh an cĂłd glanta.
MĂĄ athshocraĂtear Ă©, breiseĂĄn an scanĂłir isteach agus breathnaigh ar na sonraĂ braiteora NOx. DĂ©an do shruth sonraĂ a chĂșngĂș chun sonraĂ ĂĄbhartha amhĂĄin a ĂĄireamh agus gheobhaidh tĂș faisnĂ©is i bhfad nĂos cruinne.
Mura bhfuil aon cheann de na braiteoirĂ NOx ag obair, dĂ©an seiceĂĄil le haghaidh fiĂșs sĂ©idte in urrann an innill nĂł faoin dashboard. TĂĄ an chuid is mĂł de na braiteoirĂ NOx de dhearadh 4 sreang le sreang chumhachta, sreang talĂșn, agus sreanga 2 chomhartha. ĂsĂĄid DVOM agus lĂĄmhleabhar seirbhĂse (nĂł na sonraĂ go lĂ©ir) chun voltas ceallraĂ agus comharthaĂ talĂșn a sheiceĂĄil. SeiceĂĄil an comhartha aschuir braiteora ar an inneall ag gnĂĄth-theocht oibriĂșchĂĄin agus ar luas dĂomhaoin.
NĂłtaĂ diagnĂłiseacha breise:
- Is Ă© an rogha mĂcheart nĂł easpa leacht frith-aging an chĂșis is coitianta chun an cĂłd P2000 a stĂłrĂĄil.
- Is minic gurb Ă© deireadh a chur leis an gcomhla EGR an chĂșis atĂĄ le neamhĂ©ifeachtacht an ghaiste NOx.
- Is fĂ©idir go mbeidh stĂłrĂĄil P2000 mar thoradh ar chomhphĂĄirteanna an chĂłrais sceite iarmhargaidh ardfheidhmĂochta
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Tuilleadh cabhrach uait le cĂłd P2000?
MĂĄ theastaĂonn cĂșnamh uait fĂłs le DTC P2000, cuir ceist sna tuairimĂ thĂos faoin alt seo.
NĂTA. Cuirtear an fhaisnĂ©is seo ar fĂĄil chun crĂocha faisnĂ©ise amhĂĄin. NĂl sĂ© beartaithe Ă© a ĂșsĂĄid mar mholadh deisiĂșchĂĄin agus nĂlimid freagrach as aon ghnĂomh a dhĂ©anann tĂș maidir le haon fheithicil. TĂĄ gach faisnĂ©is ar an lĂĄithreĂĄn seo cosanta ag cĂłipcheart.