Txheeb xyuas qhov hluav taws xob nrog oscilloscope

Txoj kev tshaj lij tshaj plaws rau kev kuaj xyuas lub tshuab hluav taws xob ntawm cov tsheb niaj hnub yog nqa tawm siv lub cev muaj zog tester. Cov cuab yeej no qhia tau hais tias lub siab voltage waveform ntawm lub ignition system, thiab tseem muab cov ntaub ntawv ntawm lub sij hawm ntawm ignition pulses, breakdown voltage tus nqi, hlawv lub sij hawm thiab lub txim taws. Nyob rau hauv lub plawv ntawm lub cev muaj zog tester lus dag digital oscilloscope, thiab cov txiaj ntsig tau tshwm sim ntawm qhov screen ntawm lub computer lossis ntsiav tshuaj.

Cov txheej txheem kuaj mob yog ua raws li qhov tseeb tias txhua qhov tsis ua haujlwm hauv ob qho tib si hauv thawj thiab theem nrab circuits yog ib txwm muaj kev cuam tshuam hauv daim ntawv oscillogram. Nws raug cuam tshuam los ntawm cov kev txwv hauv qab no:

Txheeb xyuas qhov hluav taws xob nrog oscilloscope

• ignition sij hawm;
• crankshaft ceev;
• throttle qhib lub kaum sab xis;
• txhawb tus nqi siab;
• muaj pes tsawg leeg ntawm kev ua hauj lwm sib tov;
• lwm yam laj thawj.

Yog li, nrog kev pab los ntawm oscillogram, nws muaj peev xwm txheeb xyuas qhov kev puas tsuaj tsis yog nyob rau hauv lub ignition system ntawm lub tsheb, tab sis kuj nyob rau hauv nws lwm yam Cheebtsam thiab mechanisms. Ignition system breakdowns yog muab faib mus rau hauv tas li thiab sporadic (tsuas yog tshwm sim nyob rau hauv tej yam kev ua hauj lwm tej yam kev mob). Hauv thawj qhov xwm txheej, tus ntsuas ntsuas nyob ruaj ruaj yog siv, hauv qhov thib ob, lub xov tooj txawb siv thaum lub tsheb txav. Vim tias muaj ntau lub tshuab hluav taws xob, cov oscillograms tau txais yuav muab cov ntaub ntawv sib txawv. Cia peb xav txog cov xwm txheej no kom ntxaws ntxiv.

Classic ignition

Xav txog cov piv txwv tshwj xeeb ntawm kev ua txhaum uas siv cov piv txwv ntawm oscillograms. Nyob rau hauv cov duab, cov duab ntawm faulty ignition system yog qhia nyob rau hauv liab, feem, nyob rau hauv ntsuab - serviceable.

Qhib tom qab capacitive sensor

So nyob rau hauv high-voltage hlau nyob nruab nrab ntawm lub installation point ntawm lub capacitive sensor thiab lub txim plugs. Nyob rau hauv cov ntaub ntawv no, lub breakdown voltage nce vim qhov tshwm sim ntawm ib tug ntxiv spark gap txuas nyob rau hauv series, thiab lub txim hluav taws xob lub sij hawm txo. Muaj tsawg zaus, lub txim tsis tshwm sim txhua.

Nws tsis pom zoo kom tso cai rau kev ua haujlwm ntev nrog kev sib tsoo, vim tias nws tuaj yeem ua rau muaj kev puas tsuaj ntawm cov hluav taws xob hluav taws xob hluav taws xob ntawm cov hluav taws xob hluav taws xob thiab kev puas tsuaj rau lub hwj chim transistor ntawm qhov hloov.

Hlau tawg nyob rau hauv pem hauv ntej ntawm lub capacitive sensor

Kev tawg ntawm lub hauv paus high-voltage hlau nruab nrab ntawm lub ignition kauj thiab lub installation point ntawm lub capacitive sensor. Nyob rau hauv cov ntaub ntawv no, ib tug ntxiv spark gap kuj tshwm. Vim li no, qhov hluav taws xob ntawm lub txim hluav taws xob nce, thiab lub sijhawm ntawm nws lub neej txo qis.

Nyob rau hauv cov ntaub ntawv no, yog vim li cas rau lub distortion ntawm lub oscillogram yog hais tias thaum lub txim hluav taws xob hlawv ntawm lub tswm ciab electrodes, nws kuj burns nyob rau hauv parallel ntawm ob kawg ntawm cov tawg high-voltage hlau.

Kev ua haujlwm ntawm cov xaim hluav taws xob siab nruab nrab ntawm qhov chaw teeb tsa ntawm lub capacitive sensor thiab lub txim hluav taws xob tau nce ntau heev.

Ua kom muaj zog ntawm cov xaim hluav taws xob siab ntawm qhov chaw nruab nrab ntawm lub capacitive sensor thiab lub txim hluav taws xob. Kev tiv thaiv ntawm ib lub xaim tuaj yeem nce ntxiv vim oxidation ntawm nws cov neeg sib cuag, kev laus ntawm tus neeg xyuas pib, lossis siv cov xaim ntev dhau. Vim qhov nce hauv qhov tsis kam ntawm qhov kawg ntawm cov hlau, qhov voltage poob. Yog li ntawd, cov duab ntawm oscillogram yog distorted thiaj li hais tias qhov voltage thaum pib ntawm lub txim yog ntau dua li qhov voltage thaum kawg ntawm combustion. Vim li no, lub sij hawm ntawm qhov hluav taws kub ntawm lub txim ua luv luv.

breakdowns nyob rau hauv high-voltage rwb thaiv tsev yog feem ntau nws breakdowns. Lawv tuaj yeem tshwm sim ntawm:

• high-voltage tso zis ntawm lub kauj thiab ib qho ntawm cov outputs ntawm thawj winding ntawm lub kauj lossis "hauv av";
• high-voltage hlau thiab internal combustion engine vaj tse;
• ignition distributor cover thiab distributor vaj tse;
• distributor slider thiab distributor ncej;
• "cap" ntawm high-voltage xaim thiab ib lub tsev combustion engine;
• hlau tip thiab spark plug vaj tse los yog internal combustion engine vaj tse;
• lub hauv paus neeg xyuas pib ntawm lub tswm ciab thiab nws lub cev.

Feem ntau, nyob rau hauv idle mode los yog tsawg loads ntawm lub internal combustion engine, nws yog ib qho nyuaj heev los nrhiav kev puas tsuaj ntawm rwb thaiv tsev, nrog rau thaum kuaj xyuas lub cav combustion nrog ib tug oscilloscope los yog lub cev muaj zog tester. Raws li, lub cev muaj zog yuav tsum tsim kom muaj cov xwm txheej tseem ceeb hauv kev txiav txim siab kom pom nws tus kheej kom meej meej (pib lub tshuab hluav taws xob sab hauv, qhib lub throttle, ua haujlwm ntawm qis revs ntawm qhov siab tshaj plaws load).

Tom qab qhov tshwm sim ntawm qhov tso tawm ntawm qhov chaw ntawm kev puas tsuaj ntawm rwb thaiv tsev, tam sim no pib ntws hauv qhov thib ob Circuit Court. Yog li ntawd, qhov hluav taws xob ntawm lub kauj yuav txo qis, thiab tsis ncav cuag tus nqi uas yuav tsum tau muaj rau kev tawg ntawm cov electrodes ntawm lub tswm ciab.

Nyob rau sab laug ntawm daim duab, koj tuaj yeem pom qhov tsim ntawm lub txim hluav taws xob tawm sab nraum lub combustion chamber vim kev puas tsuaj rau lub siab-voltage rwb thaiv tsev ntawm lub ignition system. Nyob rau hauv cov ntaub ntawv no, lub internal combustion engine ua hauj lwm nrog ib tug siab load (regassing).

Qhov saum npoo ntawm lub qhov hluav taws xob insulator yog hnyav heev rau ntawm lub combustion chamber sab.

Kev ua qias tuaj ntawm lub qhov hluav taws xob insulator ntawm lub combustion chamber sab. Qhov no tuaj yeem yog vim muaj cov kua qaub, roj, cov khoom seem ntawm cov roj thiab cov roj additives. Nyob rau hauv cov ntaub ntawv no, cov xim ntawm deposits ntawm lub insulator yuav hloov heev. Koj tuaj yeem nyeem cov ntaub ntawv hais txog kev kuaj mob ntawm lub tshuab hluav taws xob sab hauv los ntawm cov xim ntawm soot ntawm lub tswm ciab cais.

Kev kis kab mob tseem ceeb ntawm cov insulator tuaj yeem ua rau cov nplaim taws. Lawm, xws li ib tug paug tsis muab txhim khu kev qha ignition ntawm combustible-cua sib tov, uas ua rau misfiring. Qee lub sij hawm, yog tias cov insulator muaj paug, flashovers yuav tshwm sim tsis tu ncua.

Daim ntawv ntawm high voltage pulses generated los ntawm ib tug ignition kauj nrog ib tug interturn breakdown.

Kev puas tsuaj ntawm interturn rwb thaiv tsev ntawm ignition coil windings. Nyob rau hauv qhov kev tshwm sim ntawm xws li ib tug tawg, ib tug spark paug tshwm tsis tau tsuas yog nyob rau hauv lub txim plug, tab sis kuj nyob rau hauv lub ignition coil (nruab nrab ntawm lub lem ntawm nws windings). Nws ib txwm tshem tawm lub zog ntawm lub ntsiab tawm. Thiab qhov ntev ntawm lub kauj ua haujlwm hauv hom no, ntau lub zog poob. Thaum tsis tshua muaj loads ntawm lub combustion engine, cov piav qhia yuav tsis hnov. Txawm li cas los xij, nrog kev nce hauv kev thauj khoom, lub tshuab hluav taws xob sab hauv tuaj yeem pib "troit", poob lub zog.

Qhov sib txawv ntawm lub txim plug electrodes thiab compression

Qhov sib txawv ntawm lub txim hluav taws xob electrodes yog txo. Internal combustion engine yog idling yam tsis muaj load.

Qhov sib txawv tau hais tseg yog xaiv rau txhua lub tsheb ib tus zuj zus, thiab nyob ntawm cov kev txwv hauv qab no:

• qhov siab tshaj plaws voltage tsim los ntawm lub kauj;
• rwb thaiv tsev lub zog ntawm cov ntsiab lus system;
• siab tshaj plaws nyob rau hauv lub combustion chamber thaum lub sij hawm ntawm sparking;
• qhov kev pab cuam lub neej ntawm cov tswm ciab.

Qhov sib txawv ntawm cov electrodes ntawm lub txim plug yog nce. Internal combustion engine yog idling yam tsis muaj load.

Siv lub oscilloscope ignition test, koj tuaj yeem pom qhov tsis sib xws ntawm qhov kev ncua deb ntawm cov hluav taws xob hluav taws xob. Yog li, yog tias qhov kev ncua deb tau txo qis, qhov tshwm sim ntawm qhov hluav taws kub ntawm cov roj-cua sib tov yog txo. Nyob rau hauv cov ntaub ntawv no, kev puas tsuaj yuav tsum tau ib tug tsawg breakdown voltage.

Yog tias qhov sib txawv ntawm cov electrodes ntawm lub tswm ciab nce, ces tus nqi ntawm qhov tawg voltage nce. Yog li ntawd, txhawm rau txhawm rau txhawm rau txhim khu kev ntseeg ntawm cov roj sib tov, nws yog ib qho tsim nyog yuav tsum tau ua haujlwm ntawm lub cav combustion ntawm ib qho me me.

Thov nco ntsoov tias lub sijhawm ua haujlwm ntev ntawm lub kauj nyob rau hauv ib hom uas nws ua rau lub siab tshaj plaws tau txim, ua ntej, ua rau nws hnyav hnyav thiab tsis ua hauj lwm thaum ntxov, thiab qhov thib ob, qhov no yog fraught nrog rwb thaiv tsev tawg nyob rau hauv lwm cov ntsiab lus ntawm lub ignition system, tshwj xeeb tshaj yog nyob rau hauv siab. - voltage. Kuj tseem muaj qhov ua tau zoo ntawm kev puas tsuaj rau lub ntsiab ntawm qhov hloov pauv, uas yog, nws lub zog transistor, uas ua haujlwm rau cov teeb meem ignition coil.

Tsawg compression. Thaum kuaj xyuas lub tshuab hluav taws xob nrog lub oscilloscope lossis lub cev muaj zog tester, qhov qis qis hauv ib lossis ntau lub tog raj kheej tuaj yeem kuaj pom. Qhov tseeb yog tias nyob rau hauv qis compression thaum lub sij hawm ntawm sparking, cov roj siab yog underestimated. Raws li, cov pa roj siab nruab nrab ntawm cov electrodes ntawm lub txim hluav taws xob thaum lub sij hawm sparking kuj underestimated. Yog li ntawd, qhov qis dua voltage yog xav tau rau kev tawg. Cov duab ntawm cov mem tes tsis hloov, tab sis tsuas yog lub amplitude hloov.

Nyob rau hauv daim duab ntawm sab xis, koj pom ib qho oscillogram thaum lub roj siab nyob rau hauv lub combustion chamber thaum lub sij hawm ntawm sparking yog underestimated vim tsis tshua muaj compression los yog vim ib tug loj tus nqi ntawm lub ignition sij hawm. Internal combustion engine nyob rau hauv cov ntaub ntawv no yog idling tsis load.

DIS ignition system

High-voltage ignition pulses tsim los ntawm kev noj qab haus huv DIS ignition coils ntawm ob qhov sib txawv ICEs (tsis muaj kev thauj khoom).

Lub DIS (Ob chav Ignition System) ignition system muaj tshwj xeeb ignition coils. Lawv txawv nyob rau hauv uas lawv tau nruab nrog ob lub high-voltage terminals. Ib tug ntawm lawv yog txuas mus rau thawj qhov kawg ntawm lub thib ob winding, lub thib ob - mus rau lub thib ob kawg ntawm lub thib ob winding ntawm lub ignition kauj. Txhua lub coil no ua haujlwm rau ob lub tog raj kheej.

Hauv kev sib txuas nrog cov yam ntxwv tau piav qhia, kev txheeb xyuas ntawm qhov hluav taws xob nrog lub oscilloscope thiab tshem tawm cov oscillogram ntawm qhov hluav taws xob ntawm qhov hluav taws xob hluav taws xob hluav taws xob siv hluav taws xob siv lub tshuab hluav taws xob DIS tshwm sim sib txawv. Ntawd yog, nws hloov tawm qhov kev nyeem ntawv tiag tiag ntawm oscillogram ntawm cov zis voltage ntawm lub kauj. Yog hais tias cov coils nyob rau hauv zoo, ces damped oscillations yuav tsum tau pom thaum kawg ntawm combustion.

Txhawm rau ua qhov kev kuaj mob ntawm DIS ignition system los ntawm thawj qhov hluav taws xob, nws yog ib qho tsim nyog yuav tau hloov pauv qhov hluav taws xob waveforms ntawm thawj windings ntawm cov coils.

Daim duab piav qhia:

Voltage waveform nyob rau theem nrab Circuit Court ntawm DIS ignition system

1. Reflections ntawm lub sij hawm ntawm qhov pib ntawm lub zog tsub zuj zuj nyob rau hauv lub ignition kauj. Nws coincides nrog lub sij hawm qhib ntawm lub hwj chim transistor.
2. Kev xav ntawm qhov hloov pauv ntawm qhov hloov mus rau qhov kev txwv tam sim no nyob rau hauv thawj winding ntawm lub ignition coil ntawm ib theem ntawm 6 ... 8 A. Niaj hnub nimno DIS systems muaj keyboards tsis muaj ib tug tam sim no limiting hom, yog li tsis muaj ib cheeb tsam ntawm ib. high-voltage mem tes.
3. Kev tawg ntawm qhov sib txawv ntawm qhov hluav taws xob ntawm cov hluav taws xob hluav taws xob tau txais los ntawm lub kauj thiab pib lub txim hluav taws xob. Coincides nyob rau hauv lub sij hawm nrog lub sij hawm ntawm kaw lub hwj chim transistor ntawm tus tes hloov.
4. Teeb qhov chaw hlawv.
5. Qhov kawg ntawm lub txim hluav taws kub thiab pib ntawm damped oscillations.

Daim duab piav qhia:

Voltage waveform ntawm kev tswj cov zis DIS ntawm lub ignition kauj.

1. Lub sijhawm qhib lub hwj chim transistor ntawm qhov hloov (thaum pib ntawm lub zog tsub zuj zuj hauv cov hlau nplaum ntawm lub ignition coil).
2. Thaj chaw ntawm kev hloov pauv mus rau qhov kev txwv tam sim no nyob rau hauv thawj lub voj voog thaum tam sim no nyob rau hauv thawj winding ntawm lub ignition kauj mus txog 6 ... 8 A. Nyob rau hauv niaj hnub DIS ignition systems, cov keyboards tsis muaj tam sim no limiting hom. , thiab, raws li, tsis muaj zone 2 ntawm thawj voltage waveform ploj lawm.
3. Lub sijhawm kaw lub hwj chim transistor ntawm qhov hloov (nyob rau hauv lub thib ob Circuit Court, nyob rau hauv cov ntaub ntawv no, ib tug tawg ntawm lub txim txhaum tshwm sim ntawm lub electrodes ntawm lub txim plugs pab los ntawm lub kauj thiab lub txim pib hlawv).
4. Reflection ntawm ib tug burning spark.
5. Reflection ntawm qhov cessation ntawm spark burning thiab pib ntawm damped oscillations.

Tus kheej ignition

Tus kheej ignition systems yog ntsia rau feem ntau niaj hnub roj av cav. Lawv txawv ntawm classical thiab DIS systems nyob rau hauv uas txhua lub qhov hluav taws xob yog kev pabcuam los ntawm ib tus kheej ignition coil. Feem ntau, cov coils raug ntsia saum lub tswm ciab. Qee zaum, kev hloov pauv yog ua tiav siv cov xaim hluav taws xob siab. Coils muaj ob hom - me me и rod.

Thaum kuaj xyuas tus kheej qhov hluav taws xob, cov kev ntsuas hauv qab no raug saib xyuas:

• lub xub ntiag ntawm damped oscillations ntawm qhov kawg ntawm lub txim hluav taws kub ntawm cov electrodes ntawm lub txim plug;
• lub sij hawm ntawm lub zog tsub zuj zuj nyob rau hauv lub magnetic teb ntawm lub ignition kauj (feem ntau, nws yog nyob rau hauv lub ntau yam ntawm 1,5 ... 5,0 ms, nyob ntawm seb tus qauv ntawm lub kauj);
• Lub sijhawm ntawm lub txim hluav taws kub ntawm cov electrodes ntawm lub txim hluav taws xob (feem ntau, nws yog 1,5 ... 2,5 ms, nyob ntawm tus qauv ntawm lub kauj).

Thawj voltage diagnostics

Txhawm rau kuaj xyuas tus neeg lub kauj los ntawm thawj qhov hluav taws xob, koj yuav tsum saib qhov hluav taws xob waveform ntawm kev tswj cov zis ntawm thawj winding ntawm lub kauj siv lub oscilloscope sojntsuam.

Daim duab piav qhia:

Oscillogram ntawm qhov hluav taws xob ntawm kev tswj cov zis ntawm thawj winding ntawm ib tus neeg siv hluav taws xob hluav taws xob coil.

1. Lub sijhawm qhib lub hwj chim transistor ntawm qhov hloov (thaum pib ntawm lub zog tsub zuj zuj hauv cov hlau nplaum ntawm lub ignition coil).
2. Lub sijhawm kaw lub hwj chim transistor ntawm qhov hloov pauv (qhov tam sim no nyob rau hauv thawj lub voj voog yog tam sim ntawd cuam tshuam thiab tawg ntawm qhov sib txawv ntawm cov electrodes ntawm lub txim hluav taws xob).
3. Qhov chaw uas lub txim taws kub hnyiab ntawm cov electrodes ntawm lub txim taws.
4. Damped kev vibrations uas tshwm sim tam sim tom qab qhov kawg ntawm lub txim hluav taws kub ntawm cov electrodes ntawm lub txim plug.

Nyob rau hauv daim duab ntawm sab laug, koj tuaj yeem pom qhov voltage waveform ntawm kev tswj cov zis ntawm thawj winding ntawm ib tug faulty luv luv Circuit Court. Ib qho cim qhia ntawm kev puas tsuaj yog qhov tsis muaj qhov tsis muaj zog oscillations tom qab qhov kawg ntawm lub txim hluav taws xob ntawm cov hluav taws xob hluav taws xob (ntu "4").

Secondary voltage kuaj nrog capacitive sensor

Kev siv lub capacitive sensor kom tau txais qhov hluav taws xob waveform ntawm lub kauj yog qhov zoo dua, txij li cov teeb liab tau txais nrog nws cov kev pab ntau dua rov ua dua qhov voltage waveform nyob rau hauv lub thib ob Circuit Court ntawm lub ignition ignition system.

Oscillogram ntawm high voltage mem tes ntawm ib tug noj qab haus huv compact tus neeg luv luv Circuit Court, tau siv ib tug capacitive sensor

Daim duab piav qhia:

1. Thaum pib ntawm lub zog tsub zuj zuj nyob rau hauv lub magnetic teb ntawm lub kauj (coincides nyob rau hauv lub sij hawm nrog qhib lub hwj chim transistor ntawm tus tes hloov).
2. Kev tawg ntawm qhov sib txawv ntawm cov hluav taws xob ntawm lub qhov hluav taws xob thiab qhov pib ntawm qhov hluav taws kub (thaum lub sij hawm lub hwj chim transistor ntawm kev hloov kaw).
3. Qhov hluav taws kub qhov chaw nruab nrab ntawm lub qhov hluav taws xob electrodes.
4. Damped oscillations uas tshwm sim tom qab kawg ntawm lub txim hluav taws kub ntawm cov electrodes ntawm lub tswm ciab.

Oscillogram ntawm high voltage mem tes ntawm ib tug noj qab haus huv compact tus neeg luv luv Circuit Court, tau siv ib tug capacitive sensor. Lub xub ntiag ntawm damped oscillations tam sim ntawd tom qab qhov tawg ntawm qhov sib txawv ntawm lub qhov hluav taws xob hluav taws xob (qhov chaw raug cim nrog lub cim "2") yog qhov tshwm sim ntawm cov qauv tsim ntawm lub kauj thiab tsis yog ib qho cim ntawm kev tawg.

Oscillogram ntawm high voltage mem tes ntawm ib tug faulty compact ib tug luv luv Circuit Court, tau siv ib tug capacitive sensor. Ib qho cim ntawm kev puas tsuaj yog qhov tsis muaj qhov tsis muaj zog oscillations tom qab qhov kawg ntawm qhov hluav taws kub ntawm cov hluav taws xob ntawm lub tswm ciab (qhov chaw yog cim nrog lub cim "4").

Secondary voltage diagnostics siv ib tug inductive sensor

Ib qho inductive sensor thaum ua qhov kev kuaj mob ntawm qhov nruab nrab voltage yog siv nyob rau hauv rooj plaub uas nws tsis tuaj yeem khaws lub teeb liab siv lub capacitive sensor. Xws li ignition coils feem ntau yog pas nrig ib tug luv luv circuits, compact ib tug luv luv circuits nrog ib tug built-in fais fab theem rau kev tswj cov thawj winding, thiab ib tug luv luv circuits ua ke rau hauv modules.

Oscillogram ntawm high voltage mem tes ntawm ib tug noj qab haus huv pas nrig ib tug luv luv Circuit Court, tau siv ib tug inductive sensor.

Daim duab piav qhia:

1. Thaum pib ntawm lub zog tsub zuj zuj nyob rau hauv lub magnetic teb ntawm lub ignition kauj (coincides nyob rau hauv lub sij hawm nrog qhib lub hwj chim transistor ntawm tus tes hloov).
2. Kev tawg ntawm qhov sib txawv ntawm cov hluav taws xob ntawm lub qhov hluav taws xob thiab qhov pib ntawm qhov hluav taws kub (lub sijhawm lub hwj chim transistor ntawm kev hloov kaw).
3. Qhov chaw uas lub txim taws kub hnyiab ntawm cov electrodes ntawm lub txim taws.
4. Damped kev vibrations uas tshwm sim tam sim tom qab qhov kawg ntawm lub txim hluav taws kub ntawm cov electrodes ntawm lub txim plug.

Oscillogram ntawm high voltage mem tes ntawm ib tug faulty pas nrig ib tug luv luv Circuit Court, tau siv ib tug inductive sensor. Ib qho cim ntawm kev ua tsis tiav yog qhov tsis muaj kev cuam tshuam ntawm qhov kawg ntawm lub sijhawm hluav taws kub ntawm lub qhov hluav taws xob hluav taws xob (qhov chaw raug cim nrog lub cim "4").

Oscillogram ntawm high voltage mem tes ntawm ib tug faulty pas nrig ib tug luv luv Circuit Court, tau siv ib tug inductive sensor. Ib qho cim qhia ntawm kev ua tsis tiav yog qhov tsis muaj damped oscillations ntawm qhov kawg ntawm lub txim hluav taws xob ntawm lub txim hluav taws xob hluav taws xob thiab lub sijhawm luv luv heev.

xaus

Diagnostics ntawm lub ignition system siv lub cev muaj zog tester yog txoj kev daws teeb meem tshaj plaws. Nrog nws, koj tuaj yeem txheeb xyuas qhov kev puas tsuaj kuj tseem nyob rau theem pib ntawm lawv qhov tshwm sim. Lub tsuas drawback ntawm no diagnostic txoj kev yog tus nqi siab ntawm cov khoom. Yog li ntawd, qhov kev sim tsuas tuaj yeem ua tiav ntawm cov chaw pabcuam tshwj xeeb, qhov twg muaj cov khoom siv thiab software tsim nyog.