Yuav ua li cas ntsuas qhov ntsuas qhov ntsuas qhov ntsuas nrog lub multimeter

Thaum cov khoom siv hluav taws xob hauv koj cov roj txhaj tshuaj tsis ua haujlwm, koj yeej cia siab tias koj lub cav ua haujlwm tsis zoo.

Nyob rau lub sijhawm ntev, yog tias cov teeb meem no tsis raug daws, koj lub cav yuav raug kev txom nyem, maj mam poob, thiab yuav tsum tsis ua haujlwm tag nrho.

Lub throttle txoj hauj lwm sensor yog ib tug xws li cov khoom.

Txawm li cas los xij, cov tsos mob ntawm qhov tsis zoo TPS feem ntau yog tib yam li lwm cov khoom siv hluav taws xob tsis zoo, thiab tsis muaj coob tus neeg paub yuav ua li cas kuaj cov teeb meem nrog nws.

Phau ntawv qhia no piav qhia txhua yam koj yuav tsum paub txog kev kuaj xyuas qhov ntsuas qhov ntsuas qhov ntsuas, suav nrog nws ua dab tsi rau lub cav thiab yuav ua li cas ntsuas nrawm nrog multimeter.

Cia peb pib. 

Dab tsi yog qhov throttle txoj hauj lwm sensor?

Lub Throttle Position Sensor (TPS) yog ib qho khoom siv hluav taws xob hauv koj lub tsheb kev tswj hwm roj uas tswj cov cua ntws mus rau lub cav. 

Nws yog mounted rau ntawm lub throttle lub cev, ncaj qha tswj lub throttle txoj hauj lwm thiab xa cov teeb liab mus rau lub roj txhaj system kom paub meej tias qhov tseeb sib tov ntawm huab cua thiab roj nkag mus rau lub engine.

Yog tias TPS ua yuam kev, koj yuav ntsib qee cov tsos mob xws li teeb meem ntawm lub sijhawm sib tsoo, kev siv roj ntau ntxiv, thiab lub cav tsis sib xws, thiab lwm yam.

Multimeter yog ib qho cuab yeej zoo uas koj yuav tsum tau kuaj xyuas koj lub tsheb cov khoom hluav taws xob thiab yuav tuaj yeem ua ke yog tias koj khiav mus rau ib qho ntawm lawv.

Tam sim no cia saib yuav ua li cas kuaj xyuas qhov ntsuas qhov ntsuas hluav taws xob?

Yuav ua li cas ntsuas qhov ntsuas qhov ntsuas qhov ntsuas nrog lub multimeter

Teem lub multimeter mus rau 10 VDC voltage ntau, tso cov hlau tsis zoo dub rau ntawm TPS hauv av davhlau ya nyob twg thiab cov hlau lead zoo liab ntawm TPS qhov hluav taws xob siv hluav taws xob. Yog hais tias lub 'meter' tsis qhia 5 volts, TPS yog faulty.

Qhov no tsuas yog ib qho kev sim nyob rau hauv ib qho kev ntsuam xyuas uas koj khiav ntawm lub throttle txoj hauj lwm sensor, thiab peb yuav dhia mus rau hauv cov ntsiab lus tam sim no. 

1. Ntxuav lub throttle

Ua ntej dhia mus rau hauv qhov ntsuas qhov ntsuas qhov ntsuas nrog lub ntsuas ntsuas, muaj ob peb kauj ruam ua ntej koj yuav tsum ua.

Ib qho ntawm cov no yog ntxuav lub cev lub cev, vim cov khib nyiab ntawm nws tuaj yeem tiv thaiv nws los ntawm kev qhib lossis kaw kom zoo. 

Disconnect lub tshuab nqus tsev nqus tsev vacuum los ntawm lub throttle txoj hauj lwm sensor thiab xyuas lub throttle lub cev thiab phab ntsa rau carbon deposits.

Tshem cov ntaub qhwv nrog cov tshuaj ntxuav carburetor thiab so tawm cov khib nyiab uas koj pom nws sib sau.

Thaum koj ua tiav qhov no, xyuas kom tseeb tias lub throttle yog qhib thiab kaw kom zoo.

Nws yog lub sij hawm mus rau lub throttle txoj hauj lwm sensor.

Qhov no yog ib qho khoom siv yas me me nyob rau sab ntawm lub cev lub cev uas muaj peb lub xov hlau sib txawv txuas nrog nws.

Cov xov hlau lossis cov kab txuas txuas no yog qhov tseem ceeb rau peb qhov kev sim.

Yog tias koj muaj teeb meem nrhiav cov xov hlau, mus saib peb cov ntawv qhia kev xaim.

Xyuas TPS cov xov hlau thiab cov davhlau ya nyob twg rau kev puas tsuaj thiab tsim cov av. Saib xyuas txhua yam impurities thiab txav mus rau kauj ruam tom ntej.

2. Nrhiav throttle txoj hauj lwm sensor hauv av 

Throttle txoj hauj lwm hauv av kuaj xyuas seb puas muaj teeb meem thiab tseem tuaj yeem pab nrog kev kuaj xyuas tom ntej.

Teem lub multimeter mus rau 20 VDC voltage ntau, tig lub ignition yam tsis tau pib lub cav, thiab tom qab ntawd muab cov liab zoo kuaj coj mus rau qhov zoo ntawm lub tsheb roj teeb (cim "+"). 

Tam sim no tso cov hlau tsis zoo dub rau ntawm txhua tus TPS cov hlau lead lossis cov terminals.

Koj ua qhov no kom txog thaum ib qho qhia koj nyeem ntawm 12 volts. Nov yog koj lub davhlau ya nyob twg thiab koj TPS tau dhau qhov kev xeem no. 

Yog tias tsis muaj ib qho ntawm cov tabs qhia 12-volt nyeem ntawv, ces koj TPS tsis zoo hauv av thiab tej zaum yuav tsum tau kho lossis hloov tag nrho.

Yog hais tias nws yog grounded, kos lub grounding tab thiab mus rau kauj ruam tom ntej.

3. Nrhiav qhov siv hluav taws xob siv hluav taws xob

Nrog koj lub tsheb qhov hluav taws kub tseem nyob rau hauv txoj hauj lwm thiab lub multimeter teem rau 10VDC voltage ntau, tso cov hlau dub rau ntawm TPS hauv av davhlau ya nyob twg thiab muab cov xaim liab rau ntawm ob lub terminals.

Lub davhlau ya nyob twg uas muab rau koj txog 5 volts yog qhov siv hluav taws xob siv hluav taws xob.

Yog tias koj tsis tau txais 5 volt nyeem ntawv, nws txhais tau tias muaj teeb meem hauv koj lub TPS Circuit Court thiab koj tuaj yeem tshawb xyuas seb cov xaim puas xoob lossis corroded. 

Ntawm qhov tod tes, yog hais tias lub multimeter nyeem kom tsim nyog, ces qhov tsim nyog siv voltage yog siv rau TPS teeb liab davhlau ya nyob twg.

Lub davhlau ya nyob twg signaling yog lub davhlau ya nyob twg thib peb uas tsis tau sim.

Txuas cov xov hlau rov qab mus rau qhov ntsuas qhov ntsuas hluav taws xob thiab mus rau kauj ruam tom ntej.

4. Xyuas TPS teeb liab voltage 

Qhov ntsuas hluav taws xob ntsuas hluav taws xob yog qhov kev sim zaum kawg uas txiav txim siab yog tias koj lub ntsuas hluav taws xob ua haujlwm tau zoo.

Qhov no yuav pab kuaj xyuas yog tias TPS tau nyeem qhov nrawm nrawm thaum nws qhib tag nrho, ib nrab qhib, lossis kaw.

Teem lub multimeter mus rau 10 VDC voltage ntau, tso cov xim dub rau ntawm TPS hauv av davhlau ya nyob twg thiab cov hlau kuaj liab ntawm lub teeb liab voltage davhlau ya nyob twg.

Tej zaum nws yuav nyuaj rau tso cov multimeter coj mus rau lub terminals txij li thaum TPS twb rov txuas rau lub throttle.

Nyob rau hauv rooj plaub no, koj siv tus pins rov qab sojntsuam cov xov hlau (txhaj txhua TPS hlau nrog tus pin) thiab muab cov multimeter coj mus rau cov pins (zoo dua nrog cov kab nuv ntses).

Nyob rau hauv dav throttle, lub multimeter yuav tsum nyeem ntawm 0.2 thiab 1.5 volts yog hais tias lub throttle txoj hauj lwm sensor nyob rau hauv zoo.

Tus nqi tso tawm nyob ntawm tus qauv ntawm koj TPS.

Yog hais tias lub multimeter nyeem xoom (0), koj tseem tuaj yeem mus rau cov kauj ruam tom ntej.

Maj mam qhib lub throttle thiab saib qhov hloov pauv ntawm kev nyeem ntawv multimeter.

Koj lub multimeter yuav tsum tso saib tus nqi nce ntxiv thaum koj qhib lub throttle. 

Thaum lub phaj qhib tag nrho, lub multimeter yuav tsum tso tawm 5 volts (los yog 3.5 volts ntawm qee tus qauv TPS). 

TPS yog qhov tsis zoo thiab yuav tsum tau hloov pauv hauv cov xwm txheej hauv qab no:

• Yog tias tus nqi dhia loj heev thaum qhib lub ntsiav tshuaj.
• Yog tias tus nqi tau daig ntawm tus lej rau lub sijhawm ntev.
• Yog tias tus nqi tsis ncav cuag 5 volts thaum lub throttle qhib tag nrho
• Yog tias tus nqi tsis tsim nyog hla lossis hloov pauv los ntawm maj mam tapping lub sensor nrog lub hau ntswj

Tag nrho cov no yog cov tswv yim hais txog TPS, uas yuav tsum tau hloov.

Txawm li cas los xij, yog tias koj lub qhov ntsuas qhov ntsuas qhov ntsuas qhov ntsuas yog qhov hloov tau, zoo li cov uas siv hauv cov tsheb qub, ces muaj ntau yam ua ntej txiav txim siab hloov lub sensor.

Cov lus qhia rau Variable Throttle Position Sensor

Adjustable throttle txoj hauj lwm sensors yog hom uas koj tuaj yeem loosen thiab kho los ntawm tig lawv sab laug lossis sab xis.

Yog tias koj qhov hloov kho TPS tau pom ib qho ntawm cov tsos mob tau hais los saum toj no, koj tuaj yeem xav hloov kho ua ntej txiav txim siab hloov nws. 

Thawj kauj ruam hauv qhov no yog kom loosen cov mounting bolts uas ruaj ntseg rau lub cev lub cev. 

Thaum qhov no ua tiav koj yuav hnov ​​​​cov terminals dua li TPS tseem txuas nrog lub throttle.

Txuas lub multimeter qhov tsis zoo mus rau TPS hauv av davhlau ya nyob twg thiab cov hlau lead zoo rau lub teeb liab davhlau ya nyob twg.

Nrog rau qhov hluav taws kub thiab lub kaw lus kaw, tig TPS sab laug lossis sab xis kom txog thaum koj tau txais kev nyeem ntawv raug rau koj tus qauv TPS.

Thaum koj tau txais cov ntawv nyeem kom raug, tsuas yog tuav TPS nyob rau hauv txoj hauj lwm no thiab ceev cov mounting bolts rau nws. 

Yog tias TPS tseem nyeem tsis zoo, nws tsis zoo thiab koj yuav tsum tau hloov nws.

Ntawm no yog ib daim vis dis aus txog yuav ua li cas koj tuaj yeem kho qhov throttle txoj hauj lwm sensor.

Cov txheej txheem no nyob ntawm tus qauv TPS kho tau koj siv, thiab qee qhov kuj yuav xav tau lub dipstick lossis ntsuas ntsuas los hloov kho. 

OBD Scanner Codes rau Throttle Position Sensor

Tau txais OBD scanner codes los ntawm koj lub cav yog ib txoj hauv kev yooj yim tshaj plaws los nrhiav qhov teeb meem ntawm qhov teeb meem.

Nov yog peb Diagnostic Trouble Codes (DTCs) los saib xyuas.

• PO121: Qhia tias thaum TPS teeb liab tsis ua raws li Manifold Absolute Pressure (MAP) sensor thiab tej zaum yuav tshwm sim los ntawm kev ua haujlwm tsis zoo ntawm TPS sensor.
• PO122: Qhov no yog qhov qis TPS voltage thiab tuaj yeem tshwm sim los ntawm koj lub TPS sensor davhlau ya nyob twg qhib lossis luv rau hauv av.
• PO123: Qhov no yog qhov hluav taws xob siab thiab tuaj yeem tshwm sim los ntawm qhov chaw tsis zoo hauv av lossis los ntawm luv luv lub davhlau ya nyob twg sensor mus rau qhov siv hluav taws xob hluav taws xob.  

xaus

Qhov ntawd yog txhua yam koj yuav tsum paub txog kev kuaj xyuas qhov ntsuas qhov ntsuas qhov ntsuas.

Raws li koj tuaj yeem pom los ntawm cov kauj ruam, tus qauv lossis hom TPS koj siv txiav txim siab seb yuav kuaj xyuas li cas thiab cov txheej txheem no ua li cas. 

Thaum cov kev ntsuam xyuas yooj yim, mus ntsib kws kho tsheb yog tias koj khiav mus rau qhov teeb meem.

Cov lus nug nquag nug

Yuav tsum muaj pes tsawg volts hauv TPS?

Lub throttle txoj hauj lwm sensor yuav tsum nyeem 5V thaum lub throttle kaw thiab nyeem 0.2 rau 1.5V thaum lub throttle qhib.

Dab tsi yog qhov phem throttle txoj hauj lwm sensor ua?

Qee cov tsos mob ntawm TPS tsis zoo suav nrog kev txwv tsheb ceev, lub khoos phis tawj tsis zoo, teeb meem ntawm lub sijhawm sib tsoo, teeb meem hloov pauv, tsis muaj zog, thiab siv roj ntau ntxiv, thiab lwm yam.

Dab tsi yog 3 xov hlau nyob rau hauv qhov chaw throttle txoj hauj lwm sensor?

Peb cov xov hlau nyob rau hauv qhov chaw throttle txoj hauj lwm sensor yog hauv av xaim, voltage siv xaim, thiab sensor hlau. Lub sensor hlau yog lub ntsiab tivthaiv uas xa cov teeb liab tsim nyog rau cov roj txhaj tshuaj.