P0728 Cav Ceev Input Circuit Intermittent
OBD2 yuam kev Codes

P0728 Cav Ceev Input Circuit Intermittent

P0728 – OBD-II Teeb meem Code Technical Description

Cav ceev input Circuit Court intermittent

Qhov txhaum cai txhais li cas P0728?

Code P0728 yog ib qho kev sib kis kab mob ntsig txog teeb meem code (DTC) uas tuaj yeem tshwm sim ntawm cov tsheb uas muaj OBD-II system (xws li Nissan, Ford, GM, Chevrolet, Dodge, Jeep, GMC, VW, Toyota, thiab lwm yam). ). Txawm hais tias txoj cai yog dav dav, txoj kev kho yuav txawv nyob ntawm qhov tsim thiab qauv ntawm lub tsheb.

Code P0728 qhia tias lub powertrain tswj module (PCM) tau kuaj pom qhov sib cuam tshuam input voltage teeb liab los ntawm lub cav ceev sensor. Qhov no sensor kuj tseem hu ua kis tau tus mob input ceev sensor. Qhov ua rau ntawm P0728 code tuaj yeem yog txhua yam lossis hluav taws xob.

Lub cav ceev sensor feem ntau yog nyob rau hauv lub tsev kis tau tus mob nyob ze rau pem hauv ntej ntawm lub input ncej. Nws yog txawm peem rau nrog ib tug roj hmab O-ring uas muab ib tug foob nrog lub gearbox vaj tse. Thaum tshem lub sensor ntawm lub tsev, yuav tsum ceev faj vim tias tej zaum yuav muaj cov kua dej kub hauv.

Ib tug mus tas li ntsia electromagnetic Hall sensor yog lub hauv paus rau kev khiav hauj lwm ntawm lub cav ceev sensor. Nws yog positioned kom lub iav mounted ntawm lub kis tau tus mob input ncej hla ncaj qha mus rau lub magnetic tip ntawm lub sensor. Raws li lub input ncej tig, lub nplhaib sib nqus kuj tig. Cov cheeb tsam tsa ntawm cov hniav ntawm lub nplhaib no yog siv los ua kom lub tshuab hluav taws xob ua kom tiav lub cav ceev input Circuit Court, thiab cov chaw muaj kev nyuaj siab ntawm cov hniav tawg qhov Circuit Court. Qhov no ua rau lub teeb liab nrog kev hloov pauv hauv zaus thiab qhov hluav taws xob, uas PCM lees paub tias yog lub cav ceev.

Code P0728 yog khaws cia thiab MIL tuaj yeem teeb pom kev yog tias PCM pom qhov teeb meem sib cuam tshuam lossis tsis ruaj khov los ntawm lub cav ceev sensor nyob rau hauv cov xwm txheej thiab rau lub sijhawm teev tseg. Qhov no tej zaum yuav ua rau kis tau tus mob tswj module (TCM) los yog PCM mus rau hauv limp hom.

Cov lis dej num cuam tshuam nrog lub cav ceev input circuit muaj xws li:

  • P0725: Cav Ceev Input Circuit malfunction
  • P0726: Cav Ceev Input Circuit Range/Kev Ua Haujlwm
  • P0727: Cav ceev Input Circuit Court tsis muaj teeb liab

P0728 code yuav tsum tau kho tam sim ntawd vim tsis quav ntsej nws tuaj yeem ua rau muaj kev sib kis loj thiab teeb meem tsav tsheb. Nws tuaj yeem nrog cov tsos mob hauv qab no:

  • Sudden los yog chaotic tsis siv neeg kis tau tus mob hloov (hloov mus rau tsis muaj-load hom).
  • Tsis muaj gear shifting lossis random gear shifting.
  • Faulty los yog malfunctioning speedometer thiab odometer.
  • Faulty los yog malfunctioning tachometer.
  • Log spin los yog iav ncua.
  • Muaj peev xwm muaj cov lej ntxiv ntsig txog kev sib kis ceev.

Txhawm rau daws qhov P0728 code, nws raug nquahu kom kuaj xyuas, hloov cov khoom tsis raug (ob qho tib si sensor thiab thaiv) thiab, yog tias tsim nyog, ntsuas lub ntsuas ntsuas raws li cov chaw tsim khoom cov lus pom zoo. Nyob rau hauv cov ntaub ntawv ntawm kev txawj ntse tsis txaus los yog tsis paub tseeb txog qhov ua rau lub malfunction, nws raug nquahu kom hu rau tus kws kho tsheb uas tsim nyog los yog chaw nres tsheb.

Tej zaum ua rau

Ua tau ntawm P0728 cov cai suav nrog:

  1. Qhib lossis luv cov xov hlau thiab / lossis cov khoom txuas ntawm lub cav ceev input circuit.
  2. Cov hlau nplaum ntau dhau ntawm cov hlau nplaum ntawm lub sensor.
  3. Lub cav ceev input sensor los yog kis tau tus mob tso zis ceev sensor yog faulty.
  4. Lub nplhaib tsis kam ntawm lub cav ceev sensor puas lossis hnav.

Feem ntau, P0728 code tshwm thaum lub cav nkag ceev sensor lossis kis tau tus mob tso zis ceev sensor yog faulty.

Lwm yam laj thawj muaj xws li:

  1. Shorted, puas los yog tawg hluav taws xob Cheebtsam nyob rau hauv lub engine ceev Circuit Court.
  2. Faulty hloov solenoid.
  3. Faulty engine sensors, xws li lub cav kub sensor los yog lwm yam tswj sensors.
  4. Lub crankshaft los yog camshaft txoj hauj lwm sensor yog faulty.
  5. Faulty hluav taws xob Cheebtsam nyob rau hauv lub crankshaft sensor Circuit Court.
  6. Txwv tsis pub kis cov kua dej ntws vim cov kua dej tsis huv.
  7. Valve lub cev yog faulty.

Cov laj thawj no yuav yog lub hauv paus ntawm P0728 code thiab xav tau kev kuaj mob thiab kho tau los kho qhov teeb meem.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0728?

Thaum P0728 code tshwm, cov neeg tsav tsheb yuav pom cov tsos mob hauv qab no:

  • Nyuaj iav hloov
  • Tsis muaj peev xwm hloov mus rau lwm lub zog lossis tsis kam ua haujlwm thaum hloov
  • Txo roj noj
  • Fluctuating los yog faulty speedometer
  • nres cav
  • Lub cav ua haujlwm tsis raug
  • Txheeb xyuas lub cav teeb

P0728 code khaws cia yuav tsum raug txiav txim siab loj vim nws yuav qhia tau tias muaj kev puas tsuaj rau kev sib kis thiab kev tsav tsheb uas yuav tshwm sim. Ntxiv rau cov tsos mob no, ntxiv baud tus lej lej kuj tseem tuaj yeem khaws cia, qhia txog qhov tseem ceeb ntawm kev kuaj mob tam sim thiab kho qhov teeb meem no.

Yuav ua li cas kuaj tau tus lej txhaum P0728?

Thaum kuaj pom tus lej P0728, tus kws kho tsheb yuav tsum ua raws li cov kauj ruam no:

  1. Tshawb xyuas qib thiab qhov xwm txheej ntawm cov kua dej sib kis: Thawj kauj ruam yog txhawm rau txheeb xyuas qib thiab qhov xwm txheej ntawm cov kua dej sib kis. Yog tias qib qis los yog cov kua dej tsis huv, nws yuav tsum tau hloov thiab kho cov dej xau thiab kho.
  2. Visual tshuaj xyuas ntawm cov xov hlau thiab connectors: Tus kws kho tsheb yuav tsum ua tib zoo tshuaj xyuas tag nrho cov xaim hluav taws xob, cov khoom sib txuas, thiab cov hlua khi rau kev puas tsuaj, corrosion, lossis xoob kev sib txuas. Txhua yam teeb meem pom yuav tsum tau kho.
  3. Siv lub diagnostic scanner: Txuas lub tshuab kuaj kab mob rau lub tsheb yuav tso cai rau tus kws kho tsheb kom tau txais cov lej khaws cia thiab khov cov ntaub ntawv. Cov ntaub ntawv no yuav muaj txiaj ntsig zoo rau kev kuaj mob ntxiv.
  4. Xyuas lub cav ceev input sensor: Yog tias qhov teeb meem tshwm sim tom qab kuaj xyuas cov xov hlau thiab cov kua dej, tus kws kho tsheb yuav tsum xyuas qhov xwm txheej ntawm lub cav ceev input sensor raws li cov chaw tsim khoom cov lus pom zoo. Yog hais tias lub sensor tsis ua raws li specifications, nws yuav tsum tau hloov.
  5. Xyuas lub cav ceev sensor input teeb liab/circuit: Tsis tas li ntawd, tus kws kho tsheb yuav tsum xyuas lub cav ceev sensor teeb liab thiab qhov xwm txheej ntawm qhov system circuits. Qhov no yuav pab txheeb xyuas qhov ua txhaum ntawm cov khoom siv hluav taws xob.

Thaum tag nrho cov kev kho tsim nyog tau ua tiav, P0728 code yuav tsum raug tshem tawm ntawm PCM. Yog tias nws raug xa rov qab, tus kws kho tsheb yuav tsum txuas ntxiv qhov kev kuaj mob, txiav txim siab tawm lwm qhov kev ua txhaum cai uas tau teev tseg hauv cov lus dhau los thiab kuaj xyuas txhua yam khoom kom ntseeg tau tias nws ua tau raws li cov chaw tsim khoom tshwj xeeb.

Kev kuaj mob yuam kev

COMMON yuam kev thaum kuaj tus lej P0728:

Thaum kuaj xyuas tus lej P0728, cov kev ua yuam kev hauv qab no yuav tshwm sim:

  1. Kev txheeb xyuas qhov teeb meem tsis raug: Ntau tus kws tshaj lij tuaj yeem txhais cov cai no yuam kev raws li qhov teeb meem ntawm lub cav, kev sib kis, roj system, lossis lwm yam khoom, uas tuaj yeem ua rau kev kho tsis tsim nyog.
  2. Hloov qhov ceev sensor yam tsis tau kuaj thawj zaug: Ib qho yuam kev feem ntau yog hloov lub tsheb ceev sensor ua ntej ua cov ncauj lus kom ntxaws txog cov khoom siv hluav taws xob lossis qhov xwm txheej ntawm cov kua dej sib kis.
  3. Kev ntsuas tsis txaus ntawm cov khoom siv hluav taws xob: Kev hla kev soj ntsuam kom ntxaws txog cov khoom siv hluav taws xob thiab kev xaim yuav ua rau muaj teeb meem tsis pom zoo.
  4. Tsis quav ntsej qhov xwm txheej ntawm cov kua dej sib kis: Kev kis kab mob thiab qib feem ntau tsis quav ntsej, txawm hais tias lawv yuav yog qhov ua rau P0728 code.
  5. Kev hloov tsis tsim nyog ntawm qhov chaw: Qee qhov xwm txheej, cov neeg kho tshuab tuaj yeem hloov cov khoom yam tsis muaj kev sim kom raug lossis kev tsim nyog, uas tuaj yeem kim thiab tsis tsim nyog.

Nws yog ib qho tseem ceeb uas yuav tsum tau ua kom tiav kev kuaj mob raws li kev paub thiab kev nkag siab txog kev ua haujlwm ntawm lub system kom tsis txhob muaj cov nqi tsim nyog thiab kev kho.

Txoj cai txhaum loj npaum li cas? P0728?

Teeb meem code P0728 yog qhov hnyav vim nws qhia tias muaj teeb meem nrog lub cav ceev sensor lossis kis tau tus mob tso zis ceev sensor. Cov sensors no ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm kom zoo ntawm kev sib kis thiab tswj kev ceev ntawm lub tsheb.

Qhov loj ntawm qhov teeb meem nyob ntawm seb cov tsos mob tshwj xeeb thiab lub tsheb ua li cas rau qhov teeb meem. Qee zaum, qhov no tuaj yeem ua rau muaj kev hloov pauv hnyav, tsis muaj peev xwm hloov tau, lossis lwm yam teeb meem sib kis.

Ntxiv nrog rau cov teeb meem sib kis, tus lej P0728 tuaj yeem cuam tshuam rau lwm lub tsheb xws li lub ntsuas ntsuas, tachometer, thiab txawm tias lub cav. Yog li ntawd, nws raug pom zoo los daws qhov teeb meem tam sim no kom tsis txhob muaj kev puas tsuaj ntxiv thiab ua kom ntseeg tau tias lub tsheb ua haujlwm tau zoo.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0728?

Cov kev kho hauv qab no yuav raug tsim los daws DTC P0728:

  1. Xyuas thiab hloov lub cav ceev sensor ( kis tau tus mob input speed sensor ) yog kuaj pom tias muaj teeb meem.
  2. Tshawb xyuas thiab hloov qhov kis tau tus mob tso zis ceev sensor yog tias nws xav tias ua yuam kev.
  3. Tshawb xyuas thiab kho cov hlua hluav taws xob, cov khoom sib txuas thiab cov khoom siv hluav taws xob hauv lub cav nrawm yog tias muaj teeb meem hauv kev sib txuas hluav taws xob.
  4. Tshawb xyuas cov kua dej sib kis thiab, yog tias tsim nyog, hloov nws. Yog tias cov kua dej sib kis tau kis los yog muaj teeb meem, nws tuaj yeem ua rau tus lej P0728.
  5. Tshawb xyuas lub cev lub cev thiab lub tshuab xa hluav taws xob kom xau thiab puas.
  6. Tshawb xyuas lub cav tswj qhov system, suav nrog cov ntsuas kub ntawm lub cav thiab lwm yam, vim tias kev ua txhaum ntawm cov tshuab no tuaj yeem ua rau P0728.
  7. Tom qab kev txhim kho tau ua tiav, teeb meem code P0728 yuav tsum tau rov pib dua siv lub tshuab kuaj kab mob.

Qhov tshwj xeeb ntawm kev kho cov haujlwm yuav nyob ntawm seb qhov laj thawj tshwj xeeb tau txheeb xyuas thaum lub sijhawm kuaj mob. Nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog lossis lub khw kho tsheb kom paub meej txog kev kuaj mob thiab kev daws teeb meem.

P0728 Cav Code yog dab tsi [Quick Guide]

P0728 - Cov ntaub ntawv tshwj xeeb ntawm hom

Code P0728 - Tsis muaj teeb liab los ntawm lub cav ceev sensor ( kis tau tus mob input ceev sensor). Cov cai no tuaj yeem siv rau ntau hom tsheb uas muaj OBD-II. Nov yog qee qhov piv txwv ntawm cov npe thiab lawv cov kev txiav txim siab:

  1. Nissan: Tsis muaj lub cav ceev sensor teeb liab.
  2. Ford: Tsis muaj lub cav ceev sensor teeb liab.
  3. GM (Chevrolet, GMC, Cadillac, thiab lwm yam): Tsis muaj lub cav ceev sensor teeb liab.
  4. Dodge: Tsis muaj lub cav ceev sensor teeb liab.
  5. Jeep: Tsis muaj lub cav ceev sensor teeb liab.
  6. Volkswagen (VW): Tsis muaj lub cav ceev sensor teeb liab.
  7. Toyota: Tsis muaj lub cav ceev sensor teeb liab.

Txhua lub chaw tsim khoom yuav muab cov ntaub ntawv tshwj xeeb ntxiv txog P0728 code rau lawv cov qauv tshwj xeeb, yog li nws raug nquahu kom koj hu rau koj tus neeg muag khoom lossis cov chaw ua haujlwm kom paub meej ntxiv txog koj lub tsheb tshwj xeeb tsim thiab qauv.

Ntxiv ib saib