Chithunzi cha DTC P1474
Mauthenga Olakwika a OBD2

P1474 (Volkswagen, Audi, Skoda, Mpando) EVAP canister vent solenoid valve - kuwonongeka kwamagetsi

P1474 - OBD-II Mavuto Code Kufotokozera

Khodi yamavuto P1474 ikuwonetsa kusayenda bwino kwamagetsi a EVAP canister ventilation solenoid valves mu Volkswagen, Audi, Skoda, and Seat magalimoto.

Kodi cholakwika chimatanthauza chiyani P1474?

Khodi yamavuto P1474 ikugwirizana ndi evaporative control system (EVAP). Dongosolo la EVAP lapangidwa kuti ligwire ndikugwiritsa ntchito mpweya wamafuta womwe ungatuluke mumafuta, kuwaletsa kuti asatulutsidwe mumlengalenga. Pamene code ya P1474 ikuwonekera, nthawi zambiri imasonyeza vuto ndi valavu ya canister vent solenoid kapena magetsi ake. Vavu iyi imagwira ntchito yofunika kwambiri mu dongosolo la EVAP, kuwongolera kutuluka kwa nthunzi ya petulo kuchokera ku canister kupita ku injini kuti iyake.

Zolakwika kodi P1474

Zotheka

Zifukwa zotheka za DTC P1474:

  • EVAP solenoid valve kusagwira ntchito:
    • Vavu ikhoza kutsekedwa kapena kukakamira pamalo otseguka kapena otsekedwa, kulepheretsa dongosolo kuti ligwire ntchito bwino.
    • Kuwonongeka kwa makina kapena kuvala kwa valve.
  • Mavuto amagetsi:
    • Dongosolo lotseguka kapena lalifupi mu waya wolumikiza valavu ku gawo lowongolera injini (ECU).
    • Makutidwe ndi okosijeni kapena dzimbiri kwa olumikizirana nawo, omwe angayambitse kusalumikizana bwino ndipo, chifukwa chake, magwiridwe antchito olakwika a dongosolo.
  • Engine control unit (ECU) imasokonekera:
    • Nthawi zambiri, ECU yokha imatha kulephera ndikugwiritsa ntchito valavu molakwika.
    • Kuwonongeka kwa mapulogalamu kapena zolakwika mu firmware ya ECU zomwe zingayambitse kuzindikira kolakwika kwa ma valve.
  • Zolumikizira kapena zolumikizira zowonongeka:
    • Oxidation, dzimbiri kapena kuwonongeka kwamakina pazikhomo zolumikizira kungayambitse kulephera kwa kulumikizana kwamagetsi.
    • Kulumikizana kosakwanira pazolumikizira, zomwe zitha kubweretsa kulumikizana kwakanthawi ndi nambala yolakwika.
  • Mavuto ndi mizere vacuum:
    • Kutayikira kwa mizere yotsekera yomwe imalumikiza chitini ndi valavu kungapangitse kuti dongosololi lisagwire bwino ntchito ndikupangitsa kuti nambala yolakwika iwonekere.
    • Misozi kapena ming'alu ya vacuum hoses.
  • Low batire mphamvu:
    • Magetsi osakwanira mumagetsi agalimoto amatha kupangitsa kuti valavu ya solenoid isagwire bwino ndikupangitsa kuti nambala yolakwika iwoneke.

Kuti mudziwe bwino chifukwa cha code ya P1474, tikulimbikitsidwa kuti tipeze matenda a EVAP, kuphatikizapo kuyang'ana valve yokha, wiring, zolumikizira, mizere yopuma ndi injini yoyendetsera injini.

Kodi zizindikiro za cholakwika ndi chiyani? P1474?

DTC P1474 ikachitika, mutha kukumana ndi izi:

  • Kutsegula kwa chizindikiro cha Check Engine: Kuwala kwa "Check Engine" kapena "Service Engine Posachedwapa" pa dashboard kumayatsa, kusonyeza vuto ndi dongosolo.
  • Mavuto ndi kuyambitsa injini: Injini ikhoza kukhala yovuta kuyiyambitsa kapena sangayambe konse chifukwa cha kuwonongeka kwa dongosolo la EVAP.
  • Kusakhazikika kwa injini: Kusagwira ntchito, kuthamanga mwaukali, kapena “kunjenjemera” pothamanga.
  • Kuchuluka mafuta: Makina osokonekera a EVAP angapangitse injini kuti isagwire bwino ntchito, zomwe zimapangitsa kuti mafuta achuluke.
  • Mafuta amanunkhira: Pakhoza kukhala fungo la petulo mkati kapena mozungulira mkati mwa galimoto chifukwa cha kutuluka kwa mpweya wamafuta kuchokera ku dongosolo la EVAP.
  • Mavuto ndi kudutsa luso anayendera: Kukhala ndi khodi ya P1474 kungapangitse galimoto yanu kulephera kuyesa mpweya, zomwe zimapangitsa kuti zikhale zovuta kuti muyende bwino.

Zizindikirozi zimatha kusiyanasiyana malinga ndi zomwe zimayambitsa vutoli komanso momwe galimoto imagwirira ntchito. Pamene code ya P1474 ikuwonekera, tikulimbikitsidwa kuti cholakwikacho chidziwike ndi kukonzedwa mwamsanga kuti tipewe mavuto aakulu ndi injini ndi dongosolo loyendetsa mpweya.

Momwe mungadziwire cholakwika P1474?

Njira zotsatirazi zikulimbikitsidwa kuti muzindikire DTC P1474:

  1. Kuwerenga zolakwika:
    • Lumikizani scanner ya OBD-II m'galimoto ndikuwerenga zolakwika zonse zomwe zasungidwa.
    • Lembani zizindikiro zonse, kuphatikizapo P1474, ndi zizindikiro zilizonse zokhudzana nazo.
  2. Kuwona valavu ya EVAP solenoid:
    • Pezani valavu ya EVAP m'galimoto (malo akhoza kusiyana ndi chitsanzo).
    • Yang'anani valavu kuti muwone kuwonongeka kapena kutsekeka.
    • Gwiritsani ntchito ma multimeter kuti muwone kulimba kwa valve. Yerekezerani mtengo wotsatira ndi mawonekedwe aukadaulo (nthawi zambiri mkati mwa 20-40 Ohms).
  3. Kuyang'ana mawaya ndi zolumikizira:
    • Yang'anani mowoneka mawaya ndi zolumikizira zomwe zimalumikiza valavu kugawo lowongolera injini (ECU) kuti ziwonongeke, zimbiri, kapena zolumikizana zotayirira.
    • Yang'anani kupitiliza kwa mawaya ndi multimeter kuti muwonetsetse kuti palibe zosweka kapena zazifupi.
  4. Kuyesa kwa Valve Pogwiritsa Ntchito Diagnostic Scanner:
    • Gwiritsani ntchito chida chojambulira kuti mutsegule valavu ya EVAP solenoid ndikuwonetsetsa kuti ikugwira ntchito bwino.
    • Mvetserani kudina kapena kugwedezeka kwa ma valve omwe akuwonetsa kuyambitsa.
  5. Kuyang'ana Mizere ya Vacuum:
    • Yang'anani mizere yotsekera yomwe imalumikiza chitini ndi valavu ngati ming'alu, kutayikira, kapena kusweka.
    • Ngati ndi kotheka, m'malo kuonongeka mapaipi.
  6. Kuyang'ana gawo lowongolera injini (ECU):
    • Yang'anani mphamvu ndi zizindikiro pa chojambulira cha valve kuti muwonetsetse kuti ECU ikugwira ntchito bwino.
    • Ngati mukukayikira kuti ECU yasokonekera, tikulimbikitsidwa kulumikizana ndi akatswiri kuti akonzenso kapena kusintha gawolo.

Zolakwa za matenda

Pali zolakwika zingapo zomwe mungachite mukazindikira vuto la P1474, zina mwazo ndi momwe mungapewere:

  1. Kunyalanyaza makhodi ena olakwika:
    • Cholakwika: Imanyalanyaza ma code ena olakwika omwe angasonyeze zovuta zina.
    • Yankho: Nthawi zonse werengani ndikusanthula ma code olakwika onse osungidwa. Zizindikiro zogwirizana zingathandize kudziwa chomwe chimayambitsa vutoli.
  2. Kufufuza kolakwika kwa valavu ya EVAP solenoid:
    • Cholakwika: Kudumpha mayendedwe amakina a valve kapena kugwiritsa ntchito kukana kolakwika poyesa.
    • Yankho: Yang'anani valavu mosamala kuti musatseke kapena kuwonongeka. Gwiritsani ntchito mfundo zolondola kuti muwone kulimba kwa ma valve ndi ntchito.
  3. Kuwunika kosakwanira kwa mawaya ndi zolumikizira:
    • Cholakwika: Kuchepetsa kuyang'anira kumangoyang'ana kokha, osagwiritsa ntchito multimeter kuyesa waya.
    • Yankho: Kuphatikiza pa kuyang'ana kowonekera, gwiritsani ntchito multimeter kuti muwone mawaya kuti apitirire ndi maulendo afupiafupi.
  4. Kudumpha Kuwunika Mzere wa Vacuum:
    • Kulakwitsa: Kusawona momwe mipaipi ya vacuum ili ndi ming'alu kapena kutayikira.
    • Yankho: Yang'anani mosamala mizere yonse ya vacuum kuti iwonongeke ndikusintha ngati pakufunika.
  5. Kuyesa kolakwika ndi scanner yowunikira:
    • Cholakwika: Osagwiritsa ntchito ya EVAP valve activation pa scanner yowunikira kuti muwone momwe imagwirira ntchito.
    • Yankho: Yatsani ndikumvetsera valavu pogwiritsa ntchito chida chowunikira kuti muwonetsetse kuti ikugwira ntchito bwino.
  6. Kunyalanyaza kuyang'ana injini yowongolera (ECU):
    • Cholakwika: Musanyalanyaze kuthekera kwa ECU yolakwika.
    • Yankho: Yang'anani zizindikiro ndi magetsi pa cholumikizira cha valve kuti muwonetsetse kuti ECU ikugwira ntchito bwino. Ngati ndi kotheka, funsani akatswiri kuti ayang'ane ndikukonzanso ECU.
  7. Khodi yolakwika kukonzanso msanga kwambiri:
    • Cholakwika: Kukhazikitsanso nambala yolakwika mpaka zonse zomwe zingayambitse vuto zitachotsedwa.
    • Yankho: Choyamba konzani zovuta zilizonse zomwe zadziwika, kenako sinthaninso zolakwikazo ndikuzitengera kuti muyese mayeso kuti mutsimikizire zotsatira.
  8. Chisamaliro chosakwanira ku zolakwika zapakatikati:
    • Vuto: Kunyalanyaza zovuta zapakatikati kapena zosakhalitsa zomwe sizingachitike mpaka kalekale.
    • Yankho: Chitani zoyezetsa pansi pazikhalidwe zosiyanasiyana zogwirira ntchito ndikuwunika mosamalitsa zizindikiro zapakatikati.

Kuti mupewe zolakwika izi, tsatirani njira yowunikira pang'onopang'ono, kulabadira chilichonse ndikuwunika zonse zomwe zingayambitse vuto la P1474.

Kodi zolakwika ndizovuta bwanji? P1474?

Khodi yamavuto P1474 imatha kusiyanasiyana kutengera chomwe chimayambitsa komanso momwe galimotoyo ilili. Zinthu zingapo zomwe zimathandizira kuzindikira kuopsa kwa vuto ili:

  • Kukhudza chilengedwe: Dongosolo la EVAP lapangidwa kuti ligwire mpweya wamafuta ndikuletsa kutulutsidwa kwawo mumlengalenga. Kusagwira ntchito bwino m'dongosolo lino kungayambitse kutulutsa kwazinthu zovulaza, zomwe zimakhudza chilengedwe.
  • Kudutsa kuyendera luso: Kukhala ndi nambala ya P1474 kungakupangitseni kulephera kuyesa mpweya wagalimoto yanu, zomwe zimapangitsa kuti zikhale zovuta kupeza chilolezo chagalimoto yanu.
  • Mavuto ogwira ntchito: Ngakhale kuti nambala ya P1474 siimayambitsa mavuto aakulu nthawi zonse, imatha kuyambitsa zizindikiro monga kusagwira bwino ntchito, kuyambitsa injini, kapena kuwonjezereka kwa mafuta.
  • Chitetezo: Nthawi zambiri, nambala ya P1474 sichimalumikizidwa ndi vuto lachitetezo chanthawi yomweyo. Komabe, ngati vutolo likuphatikizidwa ndi kutuluka kwa mpweya wamafuta, izi zitha kukhala pachiwopsezo chamoto.
  • Kuwonongeka kwa zigawo: Kugwiritsira ntchito galimoto kwa nthawi yaitali ndi EVAP yolakwika kungapangitse kuvala kowonjezera kapena kuwonongeka kwa zigawo zina za dongosolo.
  • Chizindikiro cha zovuta kwambiri: Nthawi zina, nambala ya P1474 ingasonyeze mavuto ndi injini yoyendetsera injini (ECU) kapena waya, zomwe zingakhale zovuta komanso zodula kukonza.

Ndikofunikira kuti musanyalanyaze nambala ya P1474 ndikuyipeza ndikuikonza posachedwa. Izi zidzathandiza kupewa mavuto omwe angakhalepo ndi kayendetsedwe ka galimotoyo, kuchepetsa kuwonongeka kwa chilengedwe ndikuonetsetsa kuti zikutsatira zofunikira zowunikira luso.

Kodi kukonza kungathandize kuthetsa code? P1474?

Kuthetsa vuto P1474 kungafune zochita zingapo kutengera chomwe chayambitsa vutoli, njira zingapo zokonzera:

  1. Kusintha valavu ya EVAP solenoid: Ngati valavu sikugwira ntchito bwino (yotsekedwa, yowonongeka kapena yokhazikika), m'malo mwake kungakhale kofunikira. Vavu yatsopano idzaonetsetsa kuti kayendetsedwe kabwino ka mpweya wamafuta mu dongosolo la EVAP.
  2. Kukonza dera lamagetsi kapena kusintha: Pambuyo pozindikira zopumira, mabwalo amfupi kapena kuwonongeka kwina kwamagetsi, konzani kapena kusintha mawaya ofananira, zolumikizira kapena zolumikizirana.
  3. Kuyang'ana ndikusintha gawo lowongolera injini (ECU): Nthawi zina, nambala ya P1474 ikhoza kuwonetsa vuto ndi gawo lowongolera injini lokha. Ngati ECU ikuganiziridwa kuti ndi yolakwika, ingafunike kukonzedwanso kapena kusinthidwa.
  4. Kukonza Kutayikira mu Mizere ya Vacuum: Ngati ming'alu kapena kudontha kumapezeka mu mapaipi a vacuum, ayenera kusinthidwa kapena kusindikizidwa kuti nthunzi zamafuta zisatuluke mu makina a EVAP.
  5. Reprogramming unit control injini: Nthawi zina nambala ya P1474 imatha kuyambitsidwa ndi zolakwika zamapulogalamu mu ECU. Pankhaniyi, pangakhale kofunikira kukonzanso gawo lowongolera injini pogwiritsa ntchito mapulogalamu ovomerezeka.
  6. Bwezeretsani khodi yolakwika ndi kuyendetsa galimoto: Zokonza zonse zikamalizidwa, yambitsaninso cholakwikacho pogwiritsa ntchito scanner yowunikira. Kenako itengereni kuyesa kuyesa kuti muwonetsetse kuti nambala ya P1474 sibwereranso ndipo zizindikiro zonse zathetsedwa.

Kumbukirani kuti kuti muthane bwino ndi vuto la P1474, ndikofunikira kudziwa chifukwa chake. Nthawi zina, pangafunike kugwiritsa ntchito zida zoyezera matenda kapena kulumikizana ndi akatswiri odziwa ntchito zamagalimoto kuti adziwe bwino komanso kukonza.

Momwe Mungawerengere Maupangiri Olakwika a Volkswagen: Chitsogozo cha Gawo ndi Gawo

Kuwonjezera ndemanga