P0678 Glow Plug Circuit Court DTC, Lub tog raj kheej No 8

P0678 – OBD-II Teeb meem Code Technical Description

Glow plug chain rau lub tog raj kheej No.8

Qhov txhaum cai txhais li cas P0678?

DTC P0678 yog ib tug universal code uas siv rau tag nrho cov tsim thiab qauv ntawm cov tsheb txij li thaum 1996 mus txog rau. Nws muaj feem xyuam rau kev ua haujlwm ntawm lub teeb ntsaws rau hauv cov cav diesel. Thaum lub tshuab hluav taws xob txias txias, lub teeb ci ntsa iab muab cov cua sov ntxiv kom paub meej tias pib. Lub glow plug nyob rau hauv lub tog raj kheej #8 tsis ua haujlwm zoo.

Lub luag hauj lwm ntawm lub glow plug yog muab cov cua kub txaus kom pib combustion ntawm roj nyob rau hauv lub txias engine. Qhov no tshwm sim vim muaj zog tiv thaiv hauv lub tswm ciab, uas tsim kom muaj cua sov. Yog tias lub teeb ci tsis ua haujlwm, nws tuaj yeem ua rau muaj teeb meem pib lub cav, tshwj xeeb tshaj yog nyob rau hnub txias.

Code P0678 qhia txog kev ua txhaum ntawm lub tog raj kheej #8 glow plug circuit. Txhawm rau tshem tawm qhov tsis ua haujlwm no, nws yog qhov yuav tsum tau kuaj xyuas tag nrho lub voj voog, suav nrog cov xaim hluav taws xob thiab lub teeb ci. Yog tias tus lej P0670 tseem muaj, nws raug nquahu kom koj pib los ntawm kev kuaj mob.

Tej zaum ua rau

Cov laj thawj rau DTC no yuav suav nrog:

1. Lub tog raj kheej tsis zoo # 8 lub teeb ci.
2. Qhib los yog luv luv glow plug circuit.
3. Cov kab hluav taws xob puas.
4. Lub glow plug tswj module yog faulty.
5. Tsis txaus lub zog los yog grounding ntawm lub glow plug.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0678?

Yog tias tsuas yog ib lub teeb ci tsis ua haujlwm, tsis yog lub teeb pom kev ntawm lub cav yuav tshwm sim, cov tsos mob yuav tsawg vim tias lub cav feem ntau yuav pib nrog ib qho tsis raug. Hauv cov xwm txheej frosty koj yuav muaj feem yuav ntsib qhov no. Code P0678 yog txoj hauv kev tseem ceeb los txheeb xyuas qhov teeb meem no, thiab suav nrog cov tsos mob hauv qab no:

1. Lub cav yuav nyuaj rau pib lossis tsis tuaj yeem pib thaum huab cua txias lossis tom qab nres rau lub sijhawm ntev thaum lub tshuab txias.
2. Tsis muaj hwj chim kom txog rau thaum lub cav tau sov tuaj txaus.
3. Lub cav tsis ua haujlwm tuaj yeem tshwm sim vim qis dua li ib txwm lub taub hau kub.
4. Lub cav yuav tsis kam thaum accelerating.
5. Tsis muaj preheat lub sij hawm, los yog nyob rau hauv lwm yam lus, lub preheat qhia tsis mus.

Code P0678 yog ib qho tseem ceeb rau kev kuaj xyuas thiab kho kom ntseeg tau tias lub cav ua haujlwm zoo, tshwj xeeb tshaj yog nyob rau hauv txias txias.

Yuav ua li cas kuaj tau tus lej txhaum P0678?

Txhawm rau kuaj thiab kuaj xyuas lub teeb ci ntsa iab thiab cov khoom muaj feem cuam tshuam, koj yuav xav tau cov cuab yeej thiab cov kauj ruam hauv qab no:

Cov cuab yeej:

1. Digital Volt-Ohm Meter (DVOM).
2. Basic OBD code scanner.

Cov kauj ruam:

1. Tshem tawm cov hlau txuas ntawm lub tog raj kheej #8 glow plug.
2. Siv lub ntsuas hluav taws xob digital volt-ohm (DVOM), teeb nws mus rau hom kev tiv thaiv. Ntxig cov xaim liab rau lub glow plug davhlau ya nyob twg thiab cov hlau dub rau hauv av zoo.
3. Txheeb xyuas qhov tsis kam ntawm lub teeb ci. Qhov kev tiv thaiv yuav tsum nyob nruab nrab ntawm 0,5 thiab 2,0 ohms (xyuas qhov ntsuas rau koj lub tsheb tshwj xeeb, raws li phau ntawv qhia kev pabcuam hauv lub Hoobkas). Yog tias qhov ntsuas tsis kam nyob sab nraud qhov no, lub tog raj kheej # 8 glow plug yog faulty thiab yuav tsum tau hloov.
4. Txheeb xyuas qhov tsis kam ntawm cov xaim los ntawm lub teeb ci mus rau lub glow plug relay tsheb npav ntawm lub valve cover. Ntxiv dua thiab, siv lub volt-ohmmeter thiab ntsuas qhov tsis kam ntawm cov hlau no. Nws kuj yuav tsum nyob rau hauv thaj tsam ntawm 0,5 txog 2,0 ohms.
5. Nco ntsoov tias lub glow plug relay zoo li lub oob khab relay thiab muaj ib tug loj gauge hlau ua rau lub tsheb npav bar uas tag nrho cov glow plug xov hlau txuas nrog.
6. Yog hais tias cov hlau tsis kam nyob sab nraud ntawm qhov kev teev tseg, hloov cov hlau.
7. Xyuas tag nrho cov xov hlau kom xoob, tawg lossis tsis muaj rwb thaiv tsev. Hloov cov kab uas puas lawm.
8. Reconnect tag nrho cov xov hlau mus rau lub glow plugs thiab xyuas kom meej tias cov kev sib txuas muaj kev ruaj ntseg.
9. Txuas tus lej scanner mus rau OBD chaw nres nkoj hauv qab khiav ceev thiab tig tus yuam sij mus rau "rau" txoj hauj lwm nrog lub cav tawm.
10. Siv lub scanner kom tshem tawm cov lej yuam kev (yog tias lawv tau khaws cia). Qhov no yuav tshem P0678 code thiab tso cai rau koj mus kuaj nrog ib tug huv slate.

Cov kauj ruam no yuav pab koj kuaj xyuas thiab kho cov teeb meem nrog # 8 lub tog raj kheej glow plug thiab cov khoom muaj feem xyuam, ua kom lub cav ua haujlwm zoo.

Kev kuaj mob yuam kev

Mechanical yuam kev thaum kuaj tus lej P0678 (Lub tog raj kheej No. 8 Glow Plug Malfunction) yuav suav nrog:

1. Tsis paub yuav ua li cas glow plugs ua hauj lwm: Ib tug kws kho tsheb yuav tsis paub yuav ua li cas glow plugs ua hauj lwm nyob rau hauv lub diesel xyaw los yog yuav ua li cas mus ntsuam xyuas lawv. Qhov no tuaj yeem ua rau muaj teeb meem tsis raug kuaj lossis tsis raug kuaj pom.
2. Tsis siv cov cuab yeej zoo: Kev kuaj pom lub teeb ci thiab cov khoom sib txuas yuav tsum muaj lub ntsuas hluav taws xob digital volt-ohm (DVOM) thiab qee zaum OBD code scanner. Qhov tsis muaj cov cuab yeej no tuaj yeem ua kom raug kev kuaj mob nyuaj.
3. Faulty Parts: Ib tug kws kho tsheb yuav hla kev kuaj mob thiab hloov cov faulty glow plugs los yog xov hlau, ua rau muaj teeb meem.
4. Faulty Glow Plug Relay: Yog tias tus kws kho tsheb tsis kuaj lub glow plug relay thiab hloov nws yog tias tsim nyog, qhov no kuj yog qhov txhaum.
5. Lub neej glow plugs tsis raug: Glow plugs muaj lub neej tsawg thiab yuav tsum tau hloov lub sijhawm. Yog tias tus kws kho tsheb tsis suav qhov xwm txheej no rau hauv tus account, nws tuaj yeem kwv yees qhov laj thawj ntawm qhov teeb meem.
6. Ua tsis tiav DTCs: Yog tias tus kws kho tsheb tsis tshem DTC P0678 tom qab ua haujlwm kho, Lub Teeb Tsav Tsheb yuav nyob twj ywm, uas tuaj yeem cuam tshuam rau tus tswv lub tsheb.
7. Kev tshuaj xyuas tsis txaus ntawm Cov Cheebtsam: Ntxiv nrog rau cov ntsaws ntsaws ntsaws, nws tseem ceeb heev rau kev tshuaj xyuas cov xov hlau, relays, thiab lwm yam khoom uas cuam tshuam nrog cov kab ke no. Unaccounted rau cov teeb meem nrog cov khoom no yuav ua rau rov ua tsis tiav.

Txhawm rau zam qhov tsis raug no, cov neeg kho tshuab yuav tsum muaj kev nkag siab zoo ntawm lub teeb ci ntsa iab, siv cov cuab yeej kuaj xyuas kom raug, ua tib zoo tshuaj xyuas thiab muab cov khoom muaj feem cuam tshuam, thiab kom meej meej cov lej yuam kev tom qab ua haujlwm kho.

Txoj cai txhaum loj npaum li cas? P0678?

Teeb meem code P0678, uas qhia tau hais tias muaj teeb meem nrog lub glow plugs ntawm lub tog raj kheej No.8 nyob rau hauv lub diesel cav, yuav suav hais tias yog loj. Cov cai no qhia txog qhov teeb meem uas yuav ua rau lub cav tsis yooj yim pib thiab ua haujlwm, tshwj xeeb tshaj yog nyob rau hauv cov mob khaub thuas.

Glow plugs hauv diesel xyaw ua lub luag haujlwm tseem ceeb hauv preheating cua hauv lub tog raj kheej ua ntej pib. Yog hais tias lub #8 lub tog raj kheej glow plug tsis ua haujlwm zoo, nws tuaj yeem ua rau pib nyuaj, kev ua haujlwm tsis zoo, kev lag luam roj tsis zoo, thiab txawm tias lub cav ua haujlwm ntev.

Yog li ntawd, yog tias koj muaj tus lej P0678, nws raug nquahu kom kuaj xyuas thiab kho sai li sai tau kom tsis txhob muaj teeb meem loj ntawm kev ua haujlwm ntawm lub cav. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog thaum huab cua txias, thaum lub teeb ci ntsa iab ua haujlwm tau zoo tuaj yeem yog qhov tseem ceeb rau lub tsheb pib ua tiav.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0678?

Kev kho hauv qab no yuav tsum tau daws DTC P0678, uas yog lub tog raj kheej # 8 glow plug teeb meem hauv lub cav diesel:

1. Lub tog raj kheej #8 Glow Plug Hloov: Thawj kauj ruam yuav tsum hloov lub glow plug nws tus kheej vim nws yog lub ntsiab ntawm qhov teeb meem no. Xyuas kom lub txim taws koj xaiv raws li koj lub tsheb specifications.
2. Glow Plug Hlau Tshuaj Ntsuam Xyuas thiab Hloov: Cov xaim txuas lub tog raj kheej # 8 glow plug rau lub relay lossis glow plug control module yuav tsum tau kuaj xyuas kom txuas ntxiv. Yog tias pom muaj kev puas tsuaj, cov hlau yuav tsum tau hloov.
3. Hloov lub Relay lossis Glow Plug Control Module: Yog tias qhov teeb meem tshwm sim tom qab hloov lub ntsaws thiab xaim, koj yuav tsum xyuas lub relay lossis glow plug control module. Yog tias cov khoom no ua tsis tiav, lawv yuav tsum tau hloov.
4. Tshawb xyuas lub tsheb npav thiab kev sib txuas: Nws tseem tsim nyog kuaj xyuas qhov xwm txheej ntawm lub tsheb npav uas lub teeb ci ntsa iab txuas thiab txhua qhov kev sib txuas kom ntseeg tau tias lawv muaj kev ncaj ncees. Kev sib txuas puas yuav tsum tau hloov lossis kho.
5. Rov kuaj xyuas dua thiab tshem tawm Code: Tom qab tag nrho cov kev kho tsim nyog tau ua tiav, lub kaw lus yuav tsum rov kuaj xyuas dua siv lub tshuab luam ntawv code thiab, yog tias tsim nyog, tshem P0678 code.

Thov nco ntsoov tias txhawm rau kho kom zoo thiab daws qhov P0678 code, nws yog ib qho tseem ceeb uas yuav tsum tau siv cov khoom zoo thiab tsim nyog, nrog rau kev kuaj xyuas kev ua haujlwm tom qab kho kom ntseeg tau tias tsis muaj teeb meem.

P0678 Cav Code yog dab tsi [Quick Guide]

P0678 - Cov ntaub ntawv tshwj xeeb ntawm hom

Cov ntaub ntawv hais txog P0678 teeb meem code yuav txawv nyob ntawm seb hom tsheb tshwj xeeb. Hauv qab no yog cov npe ntawm qee lub tsheb hom thiab lawv lub ntsiab lus rau P0678 code:

1. Ford: P0678 - Glow Plug Circuit Court, Lub tog raj kheej 8 - Voltage Tsawg.
2. Chevrolet: P0678 - Lub tog raj kheej #8 Glow Plug - Voltage Tsawg.
3. Dodge: P0678 - Glow Plug Saib, Lub tog raj kheej 8 - Tsawg Voltage.
4. GMC: P0678 - Lub tog raj kheej #8 Glow Plug - Voltage Tsawg.
5. Ram: P0678 - Glow plug saib xyuas, lub tog raj kheej 8 - tsis tshua muaj hluav taws xob.
6. Jeep: P0678 - Glow Plug Saib, Lub tog raj kheej 8 - Voltage Tsawg.
7. Volkswagen: P0678 - Glow plug, lub tog raj kheej 8 - tsis tshua muaj hluav taws xob.
8. Mercedes-Benz: P0678 - Glow plug tswj Circuit Court, lub tog raj kheej 8 - tsis tshua muaj hluav taws xob.

Thov xa mus rau qhov kev pabcuam thiab phau ntawv kho rau koj lub hom tsheb tshwj xeeb lossis koj tus neeg sawv cev ntawm lub npe tso cai rau cov ncauj lus kom ntxaws ntxiv thiab cov lus pom zoo yuav daws qhov teebmeem no.