P0790 kis tau tus mob hom xaiv hloov circuit malfunction

P0790 – OBD-II Teeb meem Code Technical Description

Teeb meem code P0790 Lub PCM tau kuaj pom qhov ua haujlwm tsis zoo hauv kev sib kis hom hloov hluav taws xob. 

Qhov teeb meem code P0790 txhais li cas?

Teeb meem code P0790 qhia pom qhov ua txhaum nyob rau hauv lub tsheb lub kis tau tus mob selector circuit. Qhov no txhais tau hais tias lub tsheb tswj qhov system tau kuaj pom muaj teeb meem nrog lub tshuab lossis hluav taws xob sib txuas nrog rau kev hloov pauv hom. Cov kev hloov, kab hluav taws xob thiab cov khoom sib txuas, thiab hom tsav tau suav nrog hauv daim duab no.

Tej zaum ua rau

Qee qhov ua tau rau P0790 teeb meem code yog:

• Kev hloov pauv hloov pauv tsis raug.
• Teeb meem nrog kev xaim hluav taws xob lossis cov khoom sib txuas cuam tshuam nrog kev hloov pauv hloov pauv.
• Muaj ib tug malfunction nyob rau hauv lub kis tau tus mob hom switching mechanism nws tus kheej.
• Teeb meem nrog lub PC (programmable engine control module) los yog lwm yam khoom muaj feem xyuam rau kev hloov pauv hom.
• Hluav taws xob nrov lossis luv Circuit Court nyob rau hauv hom kis tau tus mob hloov circuit.
• Kev tsis sib haum xeeb ntawm cov teeb liab los ntawm kev hloov pauv hloov pauv nrog cov txiaj ntsig xav tau hauv PC.

Cov laj thawj no yuav xav tau kev kuaj mob kom ntxaws ntxiv txhawm rau txheeb xyuas lub hauv paus ntawm qhov teeb meem.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0790?

Cov tsos mob rau P0790 teeb meem code tuaj yeem sib txawv nyob ntawm qhov teeb meem tshwj xeeb thiab kev tsim tsheb, qee cov tsos mob muaj peev xwm yog:

• Kev sim ua tsis tiav los hloov cov hom kev sib kis.
• Tsis muaj cov lus teb rau kev sim hloov cov hom kev sib kis.
• Teeb meem nrog tsis siv neeg iav hloov.
• "Xaiv Cav" yuam kev lossis ceeb toom ntawm lub ntsuas ntsuas.
• Cov zaub tsis raug ntawm cov kev xaiv kis tau tus mob ntawm lub dashboard.
• Ntau yam teeb meem nrog kev ua haujlwm raug ntawm lub gearbox.

Yog tias cov tsos mob no tshwm sim, tshwj xeeb tshaj yog ua ke nrog P0790 teeb meem code, nws raug nquahu kom koj hu rau tus kws kho tsheb kws kho mob rau kev kuaj mob thiab kho.

Yuav ua li cas kuaj tau tus lej txhaum P0790?

Cov kauj ruam hauv qab no raug pom zoo los kuaj xyuas DTC P0790:

1. Siv Diagnostic Scanner: Ua ntej, koj yuav tsum txuas lub tshuab kuaj kab mob rau lub tsheb OBD-II chaw nres nkoj thiab nyeem cov lej teeb meem. Qhov no yuav pab txiav txim seb qhov muaj P0790 code thiab lwm cov lej cuam tshuam.
2. Tshawb xyuas cov kev sib txuas hluav taws xob: Ua qhov kev soj ntsuam pom ntawm cov hluav taws xob sib txuas nrog rau kev hloov pauv hloov pauv. Xyuas kom cov kev sib txuas muaj kev ruaj ntseg thiab tsis muaj kev puas tsuaj rau cov xov hlau lossis corrosion.
3. Txheeb xyuas qhov hloov pauv hloov pauv: Txheeb xyuas qhov hloov pauv hloov nws tus kheej rau kev puas tsuaj, corrosion lossis hnav. Tshawb xyuas nws cov haujlwm kom paub tseeb tias nws hloov mus kom raug.
4. Control system diagnostics: Ua cov kev ntsuam xyuas ntxiv thiab kev kuaj mob ntawm cov kev tswj xyuas kom tshem tawm cov kev ua haujlwm tsis zoo hauv PC lossis lwm yam khoom cuam tshuam nrog kev hloov pauv hom.
5. Siv cov testers lossis multimeter: Yog tias tsim nyog, koj tuaj yeem siv lub ntsuas ntsuas lossis ntsuas ntsuas ntsuas ntsuas hluav taws xob thiab ntsuas hluav taws xob hauv kev hloov pauv hloov hluav taws xob.
6. Nrhiav Cov Lus Qhia Ntxiv: Yog tias tsim nyog, xa mus rau cov ntaub ntawv qhia txog kev siv lossis kev kho phau ntawv qhia rau koj lub tsheb tshwj xeeb tsim thiab qauv rau cov lus qhia ntxiv txog kev kuaj mob P0790 teeb meem code.

Yog tias koj tsis paub meej txog koj qhov kev kuaj mob, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog.

Kev kuaj mob yuam kev

Thaum kuaj pom DTC P0790, cov teeb meem hauv qab no yuav tshwm sim:

1. Kev txhais lus yuam kev: Qee zaum cov kws kho tsheb tuaj yeem txhais cov cai yuam kev thiab xav tias qhov teeb meem tsuas yog cuam tshuam nrog kev hloov pauv hloov pauv, uas ploj lawm lwm yam ua rau.
2. Faulty Component Replacements: Vim tias txoj cai qhia tias muaj kev ua txhaum nyob rau hauv qhov kev hloov pauv hauv lub voj voog, cov neeg kho tshuab yuav raug ntxias los hloov qhov hloov nws tus kheej yam tsis tau ua tiav kev kuaj mob tag nrho, uas tuaj yeem ua rau hloov cov khoom siv ua haujlwm.
3. Skipping Wiring thiab Connector Diagnosis: Qee cov kws kho tsheb yuav hla kev kuaj xyuas hluav taws xob thiab cov khoom sib txuas, uas tuaj yeem ua rau muaj teeb meem.
4. Kev kuaj tsis tiav: Qee zaum cov kws kho tsheb tuaj yeem hla kev sim ntxiv xws li kuaj xyuas qhov hluav taws xob hluav taws xob, siv lub tshuab ntsuas ntau los ntsuas cov teeb liab, thiab lwm yam, uas tuaj yeem ua rau qhov teeb meem tsis tiav.
5. Calibration tsis raug: Yog tias ib qho khoom raug hloov lossis kho ua haujlwm, nws yog ib qho tsim nyog los xyuas kom meej tias lub kaw lus raug ntsuas kom raug kom tsis txhob muaj teeb meem ntxiv.

Txhawm rau zam qhov yuam kev no, nws yog ib qho tseem ceeb uas yuav tsum ua raws li cov txheej txheem kev kuaj mob, ua tiav kev kuaj xyuas tag nrho cov khoom, thiab ua tib zoo saib xyuas txhua qhov kev nthuav dav thaum daws qhov teeb meem.

Txoj cai txhaum loj npaum li cas? P0790?

Teeb meem code P0790 yog qhov loj heev vim nws qhia tias muaj teeb meem nyob rau hauv kev sib kis hom hloov hluav taws xob. Qhov kev hloov no yog qhov tseem ceeb rau kev ua haujlwm sib kis tau zoo thiab hloov cov iav, uas yog qhov tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm zoo ntawm lub tsheb. Yog tias qhov teeb meem tsis raug kho, qhov no yuav ua rau kev sib kis tsis zoo, ua rau nws tsis tuaj yeem hloov cov iav kom raug, uas tuaj yeem ua rau kev tuav tsis zoo thiab kev nyab xeeb ntawm lub tsheb. Yog li ntawd, nws raug pom zoo kom koj tam sim ntawd hu rau tus kws kho tsheb tsim nyog rau kev kuaj mob thiab kho.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0790?

Txhawm rau daws qhov DTC P0790, cov kev kho hauv qab no yuav tsum tau ua:

1. Hloov cov hloov pauv hloov pauv: Yog tias kev kuaj mob tau lees paub tias qhov hloov pauv hloov pauv tsis raug, nws raug nquahu kom hloov nws nrog ib qho tshiab lossis ua haujlwm. Ua ntej hloov qhov hloov, xyuas kom meej tias cov khoom raug kuaj xyuas kom zoo thiab paub tseeb tias qhov ua yuam kev.
2. Kev kuaj xyuas thiab hloov cov xaim thiab cov khoom sib txuas: Yog tias pom muaj kev puas tsuaj, corrosion lossis tawg hauv cov hlua hluav taws xob lossis cov khoom sib txuas, lawv yuav tsum tau kho lossis hloov. Kev sib txuas tsis raug lossis tawg tuaj yeem ua rau muaj kev sib cuag tsis txaus thiab tus lej P0790.
3. Kev kuaj mob thiab kho lub hom tsav: Yog tias qhov teeb meem cuam tshuam nrog lub hom tsav, nws yog ib qho tsim nyog yuav tsum tau kuaj xyuas ntxiv thiab ua qhov tsim nyog kho lossis hloov lub tsav.
4. Kev kuaj xyuas thiab hloov kho software: Qee zaum teeb meem nrog cov khoom siv hluav taws xob tuaj yeem tshwm sim los ntawm kab laum hauv software. Hauv cov xwm txheej zoo li no, nws raug nquahu kom kuaj xyuas cov software hloov tshiab rau cov tswj modules thiab hloov kho lawv.
5. Rov kuaj xyuas dua thiab kuaj: Tom qab kho tiav lawm, koj yuav tsum rov kuaj xyuas dua siv lub tshuab kuaj kab mob kom ntseeg tau tias tsis muaj P0790 code lossis lwm yam yuam kev.

Nws yog ib qho tseem ceeb uas yuav tsum tau hu rau ib tus kws kho tsheb uas tsim nyog lossis lub khw kho tsheb pib ua haujlwm kho thiab kuaj mob, tshwj xeeb tshaj yog tias koj tsis muaj kev paub txaus lossis kev paub hauv cheeb tsam no.

Yuav kuaj thiab kho li cas P0790 Cav Code - OBD II Trouble Code piav qhia

P0790 - Cov ntaub ntawv tshwj xeeb ntawm hom

Teeb meem code P0790 tuaj yeem pom nyob rau hauv ntau hom tsheb, thiab nws lub ntsiab lus yuav txawv me ntsis nyob ntawm cov hom tshwj xeeb, qee lub ntsiab lus ntawm P0790 code rau ntau hom:

1. Ford: P0790 – Hom kis tau tus mob xaiv hloov – circuit malfunction.
2. Chevrolet / GMC: P0790 - Hluav taws xob ua txhaum nyob rau hauv hom kis tau tus mob solenoid valve.
3. Toyota: P0790 – Transmission mode selector switch – circuit malfunction.
4. Honda/Acura: P0790 – Hom kis tau tus mob xaiv hloov – circuit malfunction.
5. Nissan / Infiniti: P0790 - Tsis siv neeg kis tau tus mob hloov cov cim.
6. Volkswagen/Audi: P0790 – Hom kis tau tus mob xaiv hloov – circuit malfunction.
7. BMW: P0790 – Transmission mode switch: luv Circuit Court.
8. Mercedes-Benz: P0790 – Iav hom hloov malfunction.

Cov no tsuas yog qee qhov piv txwv xwb, thiab lub ntsiab lus tseeb yuav txawv nyob ntawm seb tus qauv tshwj xeeb thiab xyoo ntawm lub tsheb. Nws raug nquahu kom koj sab laj cov ntaub ntawv kho lossis kuaj mob rau koj lub tsheb tshwj xeeb kom paub meej ntxiv txog P0790 teeb meem code.