P0748 Taolo ea khatello ea motlakase ea motlakase

Khoutu ea Mathata ea OBD-II - P0748 - Leqephe la Lintlha

P0748 - Ho laola khatello ea solenoid valve A, motlakase.

Khoutu ena e emetse Solenoid ea Taolo ea Khatello ea Motlakase. Khoutu ena e kanna ea ba le litlhaloso tse fapaneng bakeng sa mefuta e meng ea likoloi, kahoo etsa bonnete ba hore u sheba li-code tsa koloi ea hau.

Khoutu ea mathata P0748 e bolela'ng?

Ena ke Khoutu ea Mathata ea Ts'oaetso ea Generic Transmission (DTC) mme e sebelisoa hangata ho likoloi tsa OBD-II tse nang le phetiso e ikemetseng.

Sena se ka kenyelletsa, empa ha se felle ho, Ford, Mercury, Lincoln, Jaguar, Chevrolet, Toyota, Nissan, Allison / Duramax, Dodge, Jeep, Honda, Acura, jj. selemo. , etsa, mmotlolo le lisebelisoa tsa yuniti ea motlakase.

Ha P0748 OBD-II DTC e behiloe, mochine oa taolo ea powertrain (PCM) o ile oa lemoha bothata ka mochine oa khatello ea phetisetso ea solenoid "A". Boholo ba li-transmissions tse itekanetseng li na le bonyane li-solenoids tse tharo, e leng solenoids A, B, le C. Likhoutu tsa mathata tse amanang le solenoid "A" ke P0745, P0746, P0747, P0748, le P0749. Setopo sa khoutu se ipapisitse le phoso e itseng e lemosang PCM mme e bulela leseli la enjene ea cheke.

Phepelo ea khatello ea khatello ea motlakase e laola khatello ea mokelikeli bakeng sa ts'ebetso e nepahetseng ea phetisetso. PCM e amohela lets'oao la elektroniki le ipapisitse le khatello e kahare ho li-solenoids. Phetiso e ikemetseng e laoloa ke mabanta le lithupa tse fetisang likere ka ho sebelisa khatello ea mokelikeli sebakeng se nepahetseng ka nako e nepahetseng. Ho ipapisitsoe le lipontšo tse tsoang ho lisebelisoa tsa taolo ea lebelo la makoloi, PCM e laola li-solenoids tsa khatello ho lebisa mokelikeli khatello e loketseng ho lipotoloho tse fapaneng tsa hydraulic tse fetolang karolelano ea phetisetso ka nako e nepahetseng.

P0748 e behiloe ke PCM ha "A" khatello ea khatello ea "solenoid" e ba le bothata ba motlakase.

Mohlala oa motlakase oa taolo ea khatello ea phetisetso:

Boima ba DTC ee ke bofe?

Boima ba khoutu ena hangata bo qala ka mokhoa o itekanetseng, empa bo ka potlakela boemong bo tebileng haeba bo sa lokisoe ka nako e loketseng.

Matšoao a mang a khoutu ea P0748 ke afe?

Haeba khoutu ena e bolokiloe, u ka 'na ua se ke ua hlokomela matšoao leha e le afe a totobetseng, kapa u ka hlokomela mathata a tebileng a ho fetoha, a kang ho se fetohe ho hang. Enjene e ka ema e sa sebetse, liphetoho tsa gear li ka ba thata kapa tsa thella, 'me phetiso e ka chesa ho feta tekano. Matšoao a mang a kenyelletsa moruo o fokotsehileng oa mafura le lebone le sa sebetseng hantle (MIL) le butswe. Likhoutu tse ling li ka hlophisoa, joalo ka tse amanang le karo-karolelano ea li-gear, shift solenoids, kapa transmission slip.

Matšoao a khoutu ea mathata a P0748 a ka kenyelletsa:

• Koloi e kena maemong a tšohanyetso
• Phetiso ea li-slip ha o fetisa likere
• Ho chesa haholo phetiso
• Phetiso e ile ea khomarela likereng
• Phokotso ea moruo oa mafura
• Matšoao a ka bang joalo ka mollo
• Leseli la Enjine ea Check le laetse

A mang a mabaka a tloaelehileng a khoutu ke afe?

The khatello ea solenoid valve e ka 'na ea hlōleha haeba leha e le efe ea maemo a latelang a le teng:

• Mokelikeli oa phetiso o silafetseng kapa o litšila
• Mokelikeli o nang le phallo e tlase
• Litšitiso tsa Hydraulic liphasejeng tsa mokelikeli oa phetiso
• Valve e mpe ea ho laola khatello ea elektronike
• Phoso ea phetiso ea mochini ka hare
• TCM e nang le phoso (Transmission Control Module)
• PCM e nang le bokooa (e sa tloaelehang)
• Haelloang khatello ea khatello ea solenoid
• Mokelikeli o litšila kapa o silafetseng
• Sefeela sa phetiso se litšila kapa se koetsoeng
• Pompo ea tšoaetso e nang le phoso
• Phoso phetiso belofo mele
• Litemana tse haelloang tsa hydraulic
• Sehokedi se senyehileng kapa se senyehileng
• Wiring e fosahetseng kapa e senyehileng
• PCM e nang le phoso

Ke mehato efe e meng ea ho rarolla bothata ba P0748?

Pele o qala ts'ebetso ea ho rarolla bothata bakeng sa bothata bofe kapa bofe, o lokela ho lekola likoloi tse ikhethileng tsa Technical Service Bulletins (TSB) ka selemo, mohlala le phetisetso. Maemong a mang, sena se ka u bolokela nako e telele ka ho u supisa tsela e nepahetseng. U lokela hape ho lekola lirekoto tsa koloi ho netefatsa hore na filtara le mokelikeli li fetotsoe neng ha ho khoneha.

Ho hlahloba mokelikeli le wiring

Mohato oa pele ke ho lekola boemo ba mokelikeli le ho lekola boemo ba mokelikeli hore na o silafetse. Pele o fetola mokelikeli, o lokela ho lekola lirekoto tsa koloi ho fumana hore na sefaele le mokelikeli li qetetse ho fetoloa neng.

Sena se lateloa ke tlhahlobo e hlakileng ea pono ho lekola boemo ba wiring bakeng sa liphoso tse hlakileng. Lekola likhokelo le likhokelo bakeng sa polokeho, ts'enyeho le tšenyo ea lithakhisa. Sena se lokela ho kenyelletsa li-wiring tsohle le likhokelo ho li-solenoids tsa taolo ea khatello ea khatello, pompo ea phetisetso le PCM. Pompo ea phetisetso e ka tsamaisoa ka motlakase kapa ka mochini, ho latela sebopeho.

Mehato e tsoetseng pele

Mehato ea tlatsetso e lula e totobetse koloi 'me e hloka hore lisebelisoa tse tsoetseng pele tse loketseng li etsoe ka nepo. Mekhoa ena e hloka litokomane tsa dijithale tsa multimeter le koloi tse ikhethang. U lokela ho fumana litaelo tse khethehileng tsa ho rarolla mathata bakeng sa koloi ea hau pele u tsoela pele ka mehato e tsoetseng pele. Litlhoko tsa gagamalo li ka fapana haholo ho latela mohlala oa koloi le koloi. Litlhoko tsa khatello ea mokelikeli le tsona li tla fapana ho ipapisitsoe le moralo le phetisetso.

Tsoelo-pele ea ho hlahloba

Ntle le ha ho boletsoe kaholimo ho datasheet, li-wiring tse tloaelehileng le likhakanyo tsa khokahano e lokela ho ba 0 ohms ea ho hanyetsa. Licheke tsa tsoelo-pele li lokela ho lula li etsoa ka motlakase oa potoloho o khaotsoeng ho qoba ho potoloha ha potoloho ka nako e khuts'oane le ho baka tšenyo e ngata. Ho hanyetsa kapa ho se tsoele pele ho bonts'a mohala o fosahetseng o bulehileng kapa o khutsufalitsoeng mme o hloka ho lokisoa kapa ho nchafatsoa.

Ke mekhoa efe e metle ea ho lokisa khoutu ee?

• Ho tlosa mokelikeli le sefa
• Kenya sebaka sa khatello ea khatello ea khatello ea motlakase.
• Lokisa kapa kenya sebaka sa pompo e tsamaisang liphoso e fosahetseng
• Lokisa kapa kenya sebaka sa 'mele oa phepelo e nang le phoso
• Phetiso ea metsi bakeng sa litemana tse hloekileng
• Ho hloekisa likhokelo ho tsoa ts'enyehong
• Ho lokisa kapa ho nchafatsa wiring
• Ho bonesa kapa ho nkela PCM sebaka

Ho ka 'na ha e-ba le bothata bo fosahetseng bo ka kenyelletsang:

• Bothata ba enjene ea enjene
• Phepelo ea pompo ea phetisetso
• Bothata ba phetisetso ea ka hare
• Bothata ba phetiso

Rea ts'epa hore tlhaiso-leseling e fumanehang sehloohong sena e u thusitse ho u supisa tsela e nepahetseng ea ho rarolla bothata ba khatello ea khatello ea motlakase ea DTC. Sengoloa sena se etselitsoe tlhaiso-leseling feela mme lintlha tse ikhethang tsa tlhaiso-leseling le lintlha tsa ts'ebeletso bakeng sa koloi ea hau li lokela ho lula li etelletsa pele.

LIPHOSO TSE TLOAELEHANG HA HO HLAHLOBA KHOUTU P0748

Hangata ho se sebetse hona ho phatlalatsoa e le bothata ba ho se sebetse hantle ha enjene kapa pompo ea khatello e phahameng e nkoa e le molato. Wiring le lipotoloho tse ling tse amehang li ka hlokomolohuoa joalo ka lisosa tse ka bang teng. Ke habohlokoa ho etsa bonnete ba hore mokhoa o feletseng oa ho hlahloba o etsoa.

KHOUTU P0748 E TEHELE KAE?

Mathata a phetiso a lokela ho lula a lokisoa kapele kamoo ho ka khonehang. Esita le haeba bothata bo e-s'o tsoele pele ho fihlela moo ho hlōleha ha mochine ka hare ho etsahala, ho qala ha matšoao ho bolela hore ho na le bothata bo ka 'nang ba e-ba boima ka nako e khutšoanyane haholo.

KE NTOA EFE E KA LOKELANG KHOUTU P0748?

Litokiso tse ka bang teng bakeng sa khoutu ena ea phoso li kenyelletsa:

• Ho lokisoa ha li-circuits tsa taolo ea khatello joalo ka lithapo le lihokelo
• Khatello Regulator Solenoid Phetoho
• Ho nkela sebaka sa taolo ea khatello ea elektronike
• Ho tsosolosa kapa ho nkela sebaka sa lebokose lohle la li-gear, ho kenyelletsa le converter ea torque.
• Ho hlatsoa le ho fetola mokelikeli oa phetiso
• Phetoho ea TSM

TLATSETSO MABAPI LE KHOUTU P0748 HO NAHANA

Ho hlahloba boemo ba oli ea phetiso ke mohato oa bohlokoa oa ho rarolla bothata ba phetisetso. Haeba mokelikeli o shebahala kapa o nkha o chele, kapa o na le 'mala o lefifi, o sa bonahaleng, koloi e batla e tsamaea le boemo bo tlase ba mokelikeli. Sena se bolela hore tšenyo e khōlō ea ka hare e ka 'na eaba e se e etsahetse.

Le hoja likarolo tse ling tsa mokhoa oa ho hlahloba li ka etsoa lapeng, tse kang B. Transmission fluid assessment (haeba u na le dipstick). Ho molemo ho ikopanya le setsebi se tšoanelehang kapele kamoo ho ka khonehang.

Mokhoa oa ho Lekola le ho Lokisa P0748 Khoutu ea Enjine - OBD II Khoutu ea Mathata Hlalosa

U hloka thuso e eketsehileng ka khoutu ea P0748?

Haeba u ntse u hloka thuso ka DTC P0748, beha potso litlatsong tse ka tlase ho sengoloa sena.

HLOKOMELA. Tlhahisoleseling ena e fanoa molemong oa tlhaiso-leseling feela. Ha ea rereloa hore e sebelisoe joalo ka khothaletso ea tokiso mme ha re na boikarabello bakeng sa ketso efe kapa efe eo u e nkang koloing efe kapa efe. Lintlha tsohle tse fumanehang sebakeng sena sa marang-rang li sirelelitsoe ka litokelo tsa bangoli.