2001年日产qx4维修手册英文

极限汽车专业维修资料中

SECTIONGENERALSECTION PRECAUTIONSFORSUPPLEMENTALRESTRAINTSYSTEM(SRS)AIRBAGAND PRECAUTIONSFORIVIS(INFINITIVEHICLEIMMOBILIZERSYSTEM- PRECAUTIONSFORINFINITICOMMUNICATOR GENERAL PRECAUTIONSFORMULTIPORTFUELINJECTIONSYSTEMORENGINECONTROL PRECAUTIONSFORTHREEWAY PRECAUTIONSFOR PRECAUTIONSFORENGINE PRECAUTIONSFOR PRECAUTIONSFORAIR HOWTOUSETHIS HOWTOREADWIRING Sample/WiringDiagram- OPTIONAL CONNECTOR HARNESS COMPONENT SWITCH DETECTABLELINESANDNON-DETECTABLE MULTIPLE HOWTOCHECK ConnectorandTerminalPin HowtoProbe PROBINGFROMHARNES PROBINGFROMTERMINAL HowtoCheckEnlargedContactSpring

RUBBERSEAL WIRESEAL

alLockHOWTOFORAN WATER ELECTRICAL COLDORHOTSTART Circuit TESTINGFOROPENSINTHE TESTINGFORSHORTSINTHE GROUND VOLTAGEDROP CONTROLUNITCIRCUIT HOWTOFOLLOWTROUBLE HowtoFollowTestGroupsinTrouble KeytoSymbolsSignifyingMeasurementsor FunctionandSystem NickelMetalHydrideBattery Checking CONSULT-IIDataLinkConnector(DLC) INSPECTION IDENTIFICATION Model PREFIXANDSUFFIX Identification VEHICLEIDENTIFICATION IDENTIFICATION ENGINESERIAL TRANSFERSERIAL

ATTFPDAXSUBRSTRSBTHASCEL极限汽车专业维修资

CONTENTSWheels& LIFTINGPOINTSANDTOWTRUCK Screw GarageJackandSafety 2-pole TowTruck

2WD 4WD TIGHTENINGTORQUEOFSTANDARD SAEJ1930TERMINOLOGY SAEJ1930Terminology 极限汽车极限汽车专业维修资料中

Observethefollowingprecautionstoensuresafeandproperservicing.Theseprecautionsarenotdescribedineachindi-vidualsection.PRECAUTIONSFORSUPPLEMENTALRESTRAINTSYSTEM(SRS)“AIRBAG”AND“SEATBELTPRE-

TheSupplementalRestraintSystemsuchas“AIRBAG”and“SEATBELTPRE-TENSIONER”usedalongwithaseatbelt,helpstoFEreducetheriskorseverityofinjurytothedriverandfrontpassen-gerforcertaintypesofcollision.TheSRSsystemcompositionwhichisavailabletoINFINITIQX4isasfollows: ForafrontalTheSupplementalRestraintSystemconsistsofdriverairbagmodule(locatedinthecenterofthesteeringwheel),frontpas-TFsengerairbagmodule(locatedontheinstrumentpanelonpassengerside),seatbeltpre-tensioners,adiagnosisunit,warninglamp,wiringharnessandspiral ForasideTheSupplementalRestraintSystemconsistsofsideairbagmodule(locatedintheoutersideoffrontseat),salitesensor,diagnosissensorunit(oneofcomponentsofairbagsforafrontalcollision),wiringharness,warninglamp(oneofcompo-nentsofairbagsforafrontalcollision).InformationnecessarytoservicethesystemsafelyisincludedtheRSsectionofthisService ToavoidrenderingtheSRSinoperative,whichcouldincreasetheriskofalinjuryordeathintheeventSTofacollisionwhichwouldresultinairbaginflation,allmaintenancemustbeperformedbyanauthorizedINFINITI Impropermaintenance,includingincorrectremovalinstallationoftheSRS,canleadtoalinjurycausedbyunintentionalactivationofthesystem.ForremovalofSpiralCableandAirBagModule,seetheRSsection.DonotuseelectricaltestequipmentonanycircuitrelatedtotheSRSunlessinstructedtointhisServiceManual.Spiralcableandwiringharnessescoveredwithyellowinsulationt eitherjustbeforetheharnessconnectorsSCorforthecompleteharnessarerelatedtothePRECAUTIONSFORIVIS(INFINITIVEHICLEIMMOBILIZERSYSTEM—NATS)

IVIS(NATS)willimmobilizetheengineifsomeonetriestostartitwithouttheregisteredkeyofIVIS(NATS).BothoftheoriginallydignitionkeyIDshavebeenIVIS(NATS)registered.

Thesecurityindicatorislocatedontheinstrumentpanel.Theindi-catorblinkswhentheignitionswitchisinOFForACCposition.Therefore,IVIS(NATS)warnsoutsidersthatthevehicleisequippedwiththeanti-theftsystem.WhenIVIS(NATS)detectstrouble,thesecurityindicatorlamplightsupwhileignitionswitchisinONposition.Thislightingupindicatesthattheanti-theftisnotfunctioning,sopromptserviceisrequired.WhenservicingIVIS(NATS)(troublediagnoses,systeminitial-izationandadditionalregistrationofotherIVIS(NATS)ignitionsoftwareisnecessary.RegardingtheproceduresofIVIS(NATS)initializationandIVIS(NATS)ignitionkeyIDregistration,refertoCONSULT-IIoperationmanual,IVIS/NVIS.Therefore,CONSULT-IIIVIS(NATS)software(programcardandoperationmanual)mustbekeptstrictlytomaintaintheintegrityoftheanti-theftfunction.WhenservicingIVIS(NATS)(troublediagnoses,systeminitial-izationandadditionalregistrationofotherIVIS(NATS)ignitionkeyIDs),itmaybenecessarytore-registeroriginalkeyiden-tification.Therefore,besuretoreceiveallkeysfromvehicleAumoffivekeyIDscanberegisteredintoIVISWhenfailingtostarttheenginetimeusingthekeyofIVIS(NATS)(forexample,wheninterferenceiscausedbyanotherIVIS(NATS)key,anautomatedfullroaddeviceorautomatedpaymentdeviceonthekeyring),restartasfollows.LeavetheignitionswitchinONpositionforapproximay5TurnignitionswitchtoOFForLOCKpositionandwaitapproxi-may5seconds.Repeatstep1andRestarttheenginewhileholdingthedevice(whiayhavecausedtheinterference)separatefromtheregisteredNATSkey.Ifthenostartconditionre-occurs,NISSAN placingtheregisteredIVIS(NATS)keyonaseparatekeyringtoavoidinterferencefromotherdevices.PRECAUTIONSFORINFINITICOMMUNICATORThepurposeofINFINITICommunicatoristoincreasesecurityforthevehicleownerbyprovidingaconvenientwaytocontactthemostappropriateemergencyassistanceproviderduringanemer-Improperoperationofthesystemmayresultinaresponse.ThetheftwarningsystemalsoactivatesINFINITICommunicator.Fordetails,refertoINFINITICommunicator(IVCS)intheELsec-极限汽车专业维修资料中 8r6ib.(oont’d)GENERALDonotoperatetheengineforanextendedperiodoftimewithoutproperexhaustventilation.Keeptheworkareawellventilatedandfreeofanyinflammablematerials.Specialcareshouldbetakenwhenhandlinganyinflammableorpoisonousmaterials,suchasgasoline,refrig-erantgas,etc.Whenworkinginapitorotherenclosedarea,besuretoproperlyventilatetheareabeforeworkingwithhaz-ardousmaterials.DonotsmokewhileworkingontheBeforejackingupthevehicle,applywheelchocksorothertireblockstothewheelstopreventthevehiclefrommoving.Afterjackingupthevehicle,supportthevehicleweightwithsafetystandsatthepointsdesignatedforproperliftingbeforework-ingonthevehicle.TheseoperationsshouldbedoneonalevelWhenremovingaheavycomponentsuchastheengineortransaxle/transmission,becarefulnottoloseyourbalanceanddropit.Also,donotallowittostrikeadjacentparts,especiallythebraketubesandmastercylinder.Beforestartingrepairswhichdonotrequirebatterypower:Turnoffignitionswitch.DisconnectthenegativebatteryTopreventseriousAvoidcontactwithhotmetalDonotremovetheradiatorcapwhentheengineisBeforeservicingthe

ldisassembledpartsinthedesignatedliquidorsolventpriortoinspectionorassembly.Replaceoilseals,gaskets,packings,O-rings,lockingwashers,cotterpins,self-lockingnuts,etc.withnewones.Replaceinnerandouterracesoft redrollerbearingsandneedlebearingsasaset.Arrangethedisassembledpartsinaccordancewiththeirassembledlocationsandsequence.Donottouchtheterminalsofelectricalcomponentswhichuseputers(suchasECMs).StaticelectricitymaydamageinternalelectronicAfterdisconnectingvacuumorairhoses,attachatagtoindi-catetheproperconnection.UseonlythefluidsandlubricantsspecifiedinthisUseapprovedbondingagent,sealantsortheirequivalentswhenrequired.Usetoolsand mendedspecialtoolswherespecifiedforsafeandefficientservicerepairs.Whenrepairingthefuel,oil,water,vacuumorexhaustsystems,checkallaffectedlinesforleaks.Disposeofdrainelorthesolventusedforcleaningpartsinanappropriatemanner.TopreventECMfromstoringthediagnostictroublecodes,donotcarelesslydisconnecttheharnessconnectorswhicharerelatedtotheenginecontrolsystemandTCM(TransmissionControlModule)system.Theconnectorsshouldbediscon-nectedonlywhenworkingaccordingtotheWORKFLOWofTROUBLEDIAGNOSESinECandATsections.PRECAUTIONSFORMULTIPORTFUELINJECTIONSYSTEMORENGINECONTROLSYSTEMBeforeconnectingordisconnectinganyharnessconnectorthemultiportfuelinjectionsystemorECM(EngineControlTurnignitionswitchtoOFFposition.Disconnectnegativebatteryterminal.Otherwise,theremaybedamagetoECM.Beforedisconnectingpressurizedfuellinefromfuelpumptoinjectors,besuretoreleasefuelpressure.BecarefulnottojarcomponentssuchasECMandmassairflowsensor.PRECAUTIONSFORTHREEWAYIfalargeamountofunburnedfuelflowsintothecatalyst,thecata-lysttemperaturewillbeexcessivelyhigh.Topreventthis,followtheinstructionsbelow:Useunleadedgasolineonly.Leadedgasolinewillseriouslydamagethethreewaycatalyst.Whencheckingforignitionsparkormeasuringenginecompression,maketestsquicklyandonlywhennecessary.Donotrunenginewhenthefuellevelislow,otherwisetheenginemaymisfirecausingdamagetothecatalyst.极限汽车专业维修资料中 8r6ib.(oont’d)Donotplacethevehicleonflammablematerial.Keepflammablematerialofftheexhaustpipeandthethreewaycatalyst.PRECAUTIONSFORHoseRemovaland

Topreventdamagetorubberhose,donotpryoffrubberwith redtoolorToreinstalltherubberhosesecurely,makesureofhoseinser-tionlengthandclamporientation.(Iftubeisequippedwithhosestopper,insertrubberhoseintotubeuntilitbuttsupagainsthosestopper.)HoseIfoldrubberhoseisre-used,installhoseclampinitsoriginalposition(attheindentationwheretheoldclampwas).Ifthereisatraceoftubebulgingleftontheoldrubberhose,alignrubberhoseatthatposition.Discardoldclamps;replacewithnewAfterinstallingleafspringclamps,applyforcetotheminthedirectionofthearrow,tighteningrubberhoseequallyall

PRECAUTIONSFORENGINE

Prolongedandrepeatedcontactwithusedengineoilmaycauseskincancer.Trytoavoiddirectskincontactwithusel.Ifskincontactismade,washthoroughlywithsoaporhandcleanerassoonaspossible.HealthProtectionAvoidprolongedandrepeatedcontactwithoils,particularlyusedengineoils.Wearprotectiveclothing,includingimperviousgloveswhereDonotputoilyragsinAvoidcontaminatingclothes,particularlyunderpants,withHeavilysoiledclothingandoil-impregnatedfootwearshouldnotbeworn.Overallsmustbecleanedregularly.Aidtreatmentshouldbeobtainedimmediayforopencutsandwounds.Usebarriercreams,applyingthembeforeeachworkperiod,tohelptheremovalofoilfromtheskin.Washwithsoapandwatertoensurealloilisremoved(skincleansersandnailbrusheswillhelp).Preparationscontaininglanolinreplacethenaturalskinoilswhichhavebeenremoved.Donotusegasoline,kerosine,dieselfuel,gasoil,thinnersorsolventsforcleaningskin.Ifskindisordersdevelop,obtainmedicaladvicewithoutWherepracticable,degreasecomponentspriortoWherethereisariskofeyecontact,eyeprotectionshouldbeworn,forexample,chemicalgogglesorfaceshields;inaddi-tionaneyewashfacilityshouldbeprovided.EnvironmentalProtectionBurningusedengineoilinsmallspaceheatersorboilerscanbemendedonlyforunitsofapproveddesign.TheheatingtemmustmeettherequirementsofHMInspectorateofPollutionforsmallburnersoflessthan0.4MW.Ifindoubtcheckwiththeappropriatelocalauthorityand/ormanufactureroftheapprovedDisposeofuselanduselfiltersthroughauthorizedwastedisposalcontractorstolicensedwastedisposalsites,ortothewasteoilreclamationtrade.Ifindoubt,contactthelocalauthorityforadviceondisposalfacilities.Itisillegaltopouruselontotheground,downsewersordrains,orintowatercourses.TheregulationsconcerningpollutionvarybetweenPRECAUTIONSFORUseunleadedgasolinewithanoctaneratingofatleast87AKI(Anti-KnockIndex)number(researchoctanenumber91).Donotuseleadedgasoline.Usingleadedgasolinewilldam-agethethreewaycatalyst.Usingafuelotherthanthatspecifiedcouldadverselyaffecttheemissioncontroldevicesandsystems,andcouldalsoaffectthewarrantycoveragevalidity.PRECAUTIONSFORAIRUseanapprovedrefrigerantrecoveryunitanytimetheaircondi-tioningsystemmustbedischarged.RefertoHA-144,“HFC-134a(R-134a)ServiceProcedure”forspecificinstructions.极限汽车专业维修资料中

HOWTOUSETHIS

ThecaptionsWARNINGandCAUTIONwarnyouofstepsthatmustbefollowedtoprevent alinjuryand/ordamagetosomepartofthevehicle.WARNINGindicatesthepossibilityofalinjuryifinstructionsarenotfollowed.CAUTIONindicatesthepossibilityofcomponentdamageifinstructionsarenotfollowed.BOLDTYPEDSTATEMENTSexceptWARNINGandCAUTIONgiveyouhelpfulinformation.ALPHABETICALINDEXisprovidedat ofthismanualsothatyoucanrapidlyfindtheitemandpageyouaresearchingfor.AQUICKREFERENCEINDEX,ablacktab(e.g. )isprovidedonthe page.Youcanquicklyfindthepageofeachsectionbymatingittothesection’sblacktab.THECONTENTSarelistedon pageofeachTHETITLEisindicatedontheupperportionofeachpageandshowsthepartorTHEPAGENUMBERofeachsectionconsistsoftwoletterswhichdesignatetheparticularsectionandanumber(e.g.“BR-5”).THELARGEILLUSTRATIONSareexplodedviews(Seebelow.)andcontaintighteningtorques,lubrica-tionpoints,sectionnumberofthePARTSCATALOG(e.g.SEC.440)andotherinformationnecessarytoperformrepairs.Theillustrationsshouldbeusedinreferencetoservicemattersonly.Whenorderingparts,refertotheappropriatePARTSCATALOG.THESMALLILLUSTRATIONSshowtheimportantstepssuchasinspection,useofspecialtools,knacksofworkandhiddenortrickystepswhicharenotshowninthepreviouslargeillustrations.Assembly,inspectionandadjustmentproceduresforthecomplicatedunitssuchastheautomatictransaxleortransmission,etc.arepresentedinastep-by-stepformatwherenecessary.TheUNITSgiveninthismanualareprimarilyexpressedastheSIUNIT(InternationalSystemofUnit),andalternativelyexpressedinthemetricsystemandintheyard/poundsystem.Tightening59-78N·m(6.0-8.0kg-m,43-58ft-TROUBLEDIAGNOSESareincludedinsectionsdealingwithcomplicated

极限汽车专业维修资料中

HOWTOUSETHISSERVICEDATAANDSPECIFICATIONSarecontainedat ofeachsectionforquickreferenceofThefollowingSYMBOLSANDABBREVIATIONSare2-WheelShouldbelubricatedwithgrease.Unlessoth-erwiseindicated,use mendedmulti-pur-posegrease.AirShouldbelubricatedwithPowerSealingSpecialServiceCheckingSocietyofAutomotiveEngineers,AlwaysreplaceaftereveryAutomaticTransmissionApplypetroleumDriverange1stApplyDriverange2nd★SelectwithproperDriverange3rd✩AdjustmentisDriverange4thServiceDataandLH,2ndrange2ndFR,Front,2ndrange1stManual1strange2ndAutomatic1strange1st,4-WheelHOWTOREADWIRING

极限汽车专业维修资料中 Salt/:io3i20.aoooPLSample/WiringDiagram—EXAMPLForDescription,refertoGI-

/

OPTIONAL

极限汽车极限汽车专业维修资料中

1PowerThisshowstheconditionwhenthesystemreceivesbatterypositivevoltage(canbeoper-2FusibleThedoublelineshowsthatthisisafusibleTheopencircleshowscurrentflowin,andtheshadedcircleshowscurrentflow3Thisshowsthelocationofthefusiblelinkorfuseinthefusiblelinkorfusebox.Forarrangement,refertoEL-10,“POWERSUPPLYROUTING”.4ThesinglelineshowsthatthisisaTheopencircleshowscurrentflowin,andtheshadedcircleshowscurrentflow5CurrentThisshowsthecurrentratingofthefusiblelinkor6ThisshowsthatconnectorE3isfemaleandconnectorM1isTheG/Rwireislocatedinthe1AterminalofbothTerminalnumberwithphabet(1A,5B,etc.)indicatesthattheconnectorisSMJcon-nector.RefertoGI-19.7OptionalTheopencircleshowsthatthespliceisoptionaldependingonvehicle8Theshadedcircleshowsthatthespliceisalwaysonthe9PageThisarrowshowsthatthecircuitcontinuestoanadjacentTheAwillmatchwiththeAontheprecedingornextCommonThedottedlinesbetweenterminalsshowthattheseterminalsarepartofthesamecon-OptionThisshowsthatthecircuitisoptionaldependingonvehicleThisshowsaninternalrepresentationoftherelay.Fordetails,refertoEL-7,“STAN-DARDIZEDRELAY”.ThisshowsthattheconnectorisconnectedtothebodyoraterminalwithboltorWireThisshowsacodeforthecoloroftheB=BlackW=WhiteR=RedL=BlueY=LG=LightBR=BrownOR=OrangeP=PinkPU=PurpleGY=GraySB=SkyBlueCH=DarkBrownDG=DarkWhenthewirecolorisstriped,thebasecolorisgivenshownbelow:Example:L/W=BluewithWhiteOptionThisshowsadescriptionoftheoptionabbreviationusedontheThisshowsthatcontinuityexistsbetweenterminals1and2whentheswitchisintheAposition.Continuityexistsbetweenterminals1and3whentheswitchisintheBposition.AssemblyConnectorterminalincomponentshowsthatitisaharnessincorporatedCellThisidentifieseachpageofthewiringdiagrambysection,systemandwiringdiagrampagenumber.CurrentflowArrowindicateselectriccurrentflow,especiallywherethedirectionofstandardflow(verti-callydownwardorhorizontallyfromlefttoright)isdifficulttofollow.Adoublearrow“”showsthatcurrentcanflowineitherdirectiondependingoncir-cuitoperation.( SystemThisshowsthatthesystembranchestoanothersystemidentifiedbycellcode(sectionandsystem).PageThisarrowshowsthatthecircuitcontinuestoanotherpageidentifiedbycellTheCwillmatchwiththeConanotherpagewithinthesystemotherthanthenextorpre-cedingpages.ShieldedThelineenclosedbybrokenlinecircleshowsshieldwavelineThisshowsthatanotherpartofthecomponentisalsoshownonanotherpage(indicatedbywaveline)withinthesystem.ComponentThisshowsthenameofaConnectorThisshowstheconnectorThelettershowswhichharnesstheconnectorislocatedExample:M:mainharness.Fordetailandtolocatetheconnector,refertoEL-390,“MainHarness”.Acoordinategridisincludedforcomplexharnessestoaidinlocatingconnec-GroundThelinesplicedandgroundedunderwirecolorshowsthatgroundlineissplicedatthegroundedconnector.GroundThisshowsthegroundConnectorThisareashowstheconnectorfacesofthecomponentsinthewiringdiagramontheCommonConnectorsenclosedinbrokenlineshowthattheseconnectorsbelongtothesamecom-ConnectorThisshowsacodeforthecoloroftheconnector.Forcodemeaning,refertowirecolorcodes,Number14ofthischart.FusiblelinkandfuseThisshowsthearrangementoffusiblelink(s)andfuse(s),usedforconnectorviewsof“POWERSUPPLYROUTING”inELsection.Theopensquareshowscurrentflowin,andtheshadedsquareshowscurrentflowReferenceThisshowsthatmoreinformationontheSuperMultipleJunction(SMJ),ElectricalUnitsetc.,existsatofthemanual.RefertoGI-19fordetails.极限汽车专业维极限汽车专业维修资料中oont’d)

Mostofconnectorsymbolsinwiringdiagramsareshownfromtheterminalside.Connectorsymbolsshownfromtheterminalsideareenclosedbyasinglelineandfollowedbythedirectionmark.Connectorsymbolsshownfromtheharneseareenclosedbyadoublelineandfollowedbythedirectionmark.MaleandfemaleConnectuidesformaleterminalsareshowninblackandfemaleterminalsinwhiteinwiringdiagrams.

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HARNESS

Letterdesignationsnexttotestmeterprobeindicateharness(connector)wirecolor.ConnectornumbersinasinglecircleM33indicateharnessCOMPONENTConnectornumbersinadoublecircleF211indicatecompo-nentconnectors.SWITCH

Switchesareshowninwiringdiagramsasifthevehicleisinthenormalcondition.Avehicleisinthenormalconditionignitionswitchisdoors,hoodandtrunklid/backdoorarepedalsarenotdepressed,parkingbrakeis)SGI862-DETECTABLELINESANDNON-DETECTABLESGI862-Insomewiringdiagrams,twokindsoflines,representingwires,withdifferentweightareused.Alinewithregularweight(widerline)representsa“detectablelineforDTC(DiagnosticTroubleCode)”.A“detectablelineforDTC”isacircuitinwhichECM(EngineControlModule)candetectitsmalfunctionswiththeonboarddiagnosticsystem.Alinewithlessweight(thinnerline)representsa“non-detect-ablelineforDTC”.A“non-detectablelineforDTC”isacircuitinwhichECMcannotdetectitsmalfunctionswiththeonboarddiagnosticsystem.

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MULTIPLE

ThecontinuityofmultipleswitchisdescribedintwowaysasshownTheswitchchartisusedinschematicTheswitchdiagramisusedinwiring极限汽车专业极限汽车专业维修资料中oont’d)

TheReferenceAreaofthewiringdiagramcontainsreferencestoadditionalelectricalreferencepagesatofthemanual.IfconnectornumbersandtitlesareshownintheReferenceAreaofthewiringdiagram,theseconnectorsymbolsarenotshownintheConnectorArea.SupermultiplejunctionInawiringdiagram,theSMJconnectorsincludealetterofthealphabetintheterminalnumber.SMJconnectornumbersareshownintheReferenceAreaofthewiringdiagram.SMJterminalarrangementcanbefoundontheelectricalreferencepagesatofthemanual.Forterminalarrangementoftheseconnectors,refertothe“SUPERMULTIPLEJUNCTION(SMJ)”electricalreferencepageatofthe

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Fuseblock—JunctionboxFuseblock—Junctionbox(J/B)connectornumberisshownintheReferenceAreaofthewiringdiagram.Forconnectorterminalandfusearrangement,refertothe“FUSEBLOCK—JunctionBox(J/B)”electricalreferencepageat ofthemanual.FuseandfusiblelinkForfusearrangementinthefuseandfusiblelinkbox,refertothe“FUSEANDFUSIBLELINKBOX”electricalreferencepageattheendofthemanual.ElectricalElectricalunitconnectorsymbolsareshownintheConnectorAreaofthewiringdiagram.However,whenthereisnotenoughspacetoshowtheconnectorterminalarrangementintheConnectorAreaofthewiringdiagram,theelectricalunitconnectornumberisshownintheReferenceAreaofthewiringdiagram.Forelectricalunitconnectorterminalarrangement,refertothe“ELECTRICALUNITS”electricalrefer-encepageattheendofthemanual.MostoftheelectricalunitconnectorsonthispageareshownfromtheharneseoftheJointJointconnectorsymbolsareshownintheconnectorareaofthewiringdiagram.Forconnectorinternalwiringlayoutandjointcon-nectorterminalarrangement,refertothe“JOINTCONNECTOR(J/C)”electricalreferencepageatofthemanual.HOWTOCHECK

极限汽车专业维修资料中 htt:htr80biolConnectorandTerminalPinUsetheconnectorandterminalpinkitlistedbelowwhenreplacingconnectorsorterminals.Toolnumber(Kent-MooreNo.)Toolname—(J38751-Connectorandterminalpinkit—(J42992-OBDTerminalRepairTheconnectorandterminalpinToolnumber(Kent-MooreNo.)Toolname—(J38751-Connectorandterminalpinkit—(J42992-OBDTerminalRepairHowtoProbe

NBGI0011S02Connectordamageandanintermittentconnectioncanresultfromimproperlyprobingoftheconnectorduringcircuitchecks.Theprobeofadigitalmultimeter(DMM)maynotcorrectlyfittheconnector.Tocorrectlyprobetheconnector,followthepro-ceduresbelowusinga“T”pin.Forthebestcontactgraspthe“T”pin ligator PROBINGFROMHARNESStandardtype(notwaterprooftype)connectorshouldbeprobedfromharnesewith“T”pin.IftheconnectorhasarearcoversuchasaECMRSconnector,removetherearcoverbeforeprobingtheter-Donotprobewaterproofconnectorfrom e.DamagetothesealbetweenwireandconnectormayPROBINGFROMTERMINALFemale

Thereisasmallnotchaboveeachfemaleterminal.Probeeachterminalwiththe“T”pinthroughthenotch.Donotinsertanyobjectotherthanthesametypemaleterminalintofemaleterminal.

Someconnectorsdonothaveanotchaboveeachterminal.Toprobeeachterminal,removetheconnectorretainertomakecontactspaceforprobing.MaleCarefullyprobethecontactsurfaceofeachterminalusinga“T”DonotbendHowtoCheckEnlargedContactSpringof

Anenlargedcontactspringofaterminalmaycreateintermittentsignalsinthecircuit.Iftheintermittentopencircuitoccurs,followtheprocedurebelowtoinspectforopenwiresandenlargedcontactspringoffemaleAssembleamaleterminalandapprox.10cm(3.9in)ofUseamaleterminalwhiatchesthefemaleDisconnecttheedfaultyconnectorandholditterminalsideup.Whileholdingthewireofthemaleterminal,trytoinsertthemaleterminalintothefemaleterminal.Donotforcethemaleterminalintothefemaleterminalwithyourhands.极限汽车专业维修资料中 HowtoCheckEnlargedhsi40.(oont’d)Whilemovingtheconnector,checkwhetherthemaleterminalcanbeeasilyinsertedornot.Ifthemaleterminalcanbeeasilyinsertedintotheterminal,replacethefemaleterminal. WaterproofConnector

NBGI0011S04Ifwaterenterstheconnector,itcanshortinteriorcircuits.Thismayleadtointermittentproblems.Checkthefollowingitemstomaintaintheoriginalwaterproofchar-RUBBERSEALMostwaterproofconnectorsareprovidedwitharubberbetweenthemaleandfemaleconnectors.Ifthesealismissing,thewaterproofperformancemaynotmeet Therubbersealmaycomeoffwhenconnectorsarenected.Wheneverconnectorsarereconnected,makesuretherubbersealisproperlyinstalledoneithersideofmaleorfemaleconnector.WIRESEAL Thewiresealmustbeinstalledonthewireinsertionareaofawaterproofconnector.Besurethatthesealisinstalled TerminalLock Checkforunlockedterminalsbypullingwireatoftor.Anunlockedterminalmaycreateintermittentsignalsinthe

HOWTOPERFORMEFFICIENTDIAGNOSISFORANELECTRICALWorkFlow车专业维修资料中 Work

STEPGetdetailedinformationabouttheconditionsandtheenvironmentwhentheincidentoccurred.Thefollowingarekeypiecesofinformationrequiredtomakeagoodysis:VehicleModel,Engine,TransmissionandtheSystem(