愛信自動變速箱培訓(xùn)課件

-1-Automatictransmissions

-Trainingontroubleshooting-Mar.2and42015AISINAW

-2--Notice-

Thisdocumentwillbeextractofthecontentspartofthistraining.Ifallcontentsviewed,pleasechecktheservicemanualofthefollowing.->ReleaseatDecember2014-3-TableofContent1.DIFFERENCEBETWEEN6SPEEDAND5SPEEDA/T

2.COMPONENTSANDFUNCTIONS

3.TROUBLESHOOTING

-Casestudy--4-TableofContent1.DIFFERENCEBETWEEN6SPEEDAND5SPEEDA/T

TypeATFbrandandlevelcheckprocedureTCMfunctionandlayoutSpeedsensorlayout

2.COMPONENTSANDFUNCTIONS

3.TROUBLESHOOTING

-Casestudy--5-Differencebetween5speedand6speed6speed5speedTypeATFbrandandlevelcheckprocedureOverflowtypeOillevelgagetypeLevelcheck

procedureATFAW-1JWS-3309G-6-Differencebetween5speedand6speed6speed5speedTCMfunctionandlayoutTCMontheA/TSeparateTCM

inthevehicleinteriorTCMLayoutNposition

adjustmentTCMNeutralpositionsensorUsingSSTandadjustNpositionmecanical.UsingtesterandwriteNpositiondataintoTCM

(TCMandNeutralpositionsensorintegratedunit)TCM-7-Differencebetween5speedand6speed6speed5speedSpeedsensorinstalledintheA/TSpeedsensor

installedouterpartsSpeedsensor

LayoutSpeedsensorlayoutOthermodificationpointisrefertoWebmanual.-8-1.DIFFERENCEBETWEEN6SPEEDAND5SPEEDA/T2.A/TCOMPONENTSANDFUNCTIONS1.1.Gears1.2.ClutchesandBrakes1.3.ValveBody1.4.Transmissionidentification1.5.TCM(TransmissionControlModule)1.6.Positionsensor1.7.Sensors1.8.TCM-Controllogic1.9.AutomaticTransmissionFluid(ATF)

3.TROUBLESHOOTING

-Casestudy-TableofContent-9-1.A/TComponentsandFunctions1.1.GearsAcombinationofseveralgeartrainsareusedtoprovidethevariousgearratios.Forthe6speed-A/T,2planetarygeartrainsareused.FortheAWgeneral4speed-A/T,3planetarygeartrainsareused.

SungearRinggearPlanetary

gearPlanetarycarrierDependingonwhichgearisInput

Output

StationarydifferentgearratioscanbeachievedExample:basicplanetarygeartrain:-10-1.2.ClutchesandbrakesClutches

areusedtoconnect2rotatingparts

=>enabletoselectINPUTandOUTPUTofsuccessiveplanetarygeartrainsdisksplatesINPUTINPUTOUTPUTOUTPUTpistonINPUTOUTPUTHydraulicpressuredisksandplatesNOTincontactdisksandplatesincontactINPUTNOTconnectedtoOUTPUT:INPUTconnectedtoOUTPUT:Disksandplates1.A/TComponentsandFunctions-11-1.2.ClutchesandbrakesBrakes

areusedtoblockarotatingpartbyconnectingittothefixedcase

=>enabletomakesomegearstationarydisksplatesINPUTTransaxlecaseTransaxlecaseHydraulicpressuredisksandplatesNOTincontactdisksandplatesincontactINPUTpistonDisksandplatesINPUTINPUTNOTfixedtocase:INPUTfixedtocase:FIXED1.A/TComponentsandFunctions-12-1.2.ClutchesandbrakesACTIVATIONMATRIX:SKELETONMAP:Severalclutches/brakesareusedinmorethanonegear

=>itcanbeusefultodefinetestpatternstoconfirmfaultypart1.A/TComponentsandFunctions-13-1.3.ValvebodyThevalvebodyisthecentralpartofthehydrauliccontrolcircuitandisusedtoapplyoilpressureontheclutches/brakesandredirectsoilforlubricationpurposes.ItiscontrolledbytheTCM(TransmissionControlUnit(Module)).Itiscomposedofsolenoids(ON/OFFandLinears),valvesandoilcircuits.ACTIVATIONMATRIX1.A/TComponentsandFunctions-14-1.3.ValvebodyLOCATIONOFSOLENOIDSANDCONNECTORMAPPING:1.A/TComponentsandFunctionsTCMTip

upTip

downTip

MSLB1SLC3SLC2SLC1SLTSLUS2S1Newfunction

for6speed-15-*Requestforeachdealers:PleaseinformAWofthe“serialNo.”ontheoccurrenceofclaims.Thisinformationisessentialtopromotethemeasures.1.A/TComponentsandFunctions1.4.Transmissionidentification3636TF-80SC-16-1.5.TCM(TransmissionControlModule)TCMismakingshiftdecisionsandiscontrolingclutchpressure(currentcontrolofsolenoids)basedoninformationscomingfromtransmissionandenginesensors.Itisalsoperformingself-diagnosisofthetransmissionandstoringDTC-codes.*Requestforeachdealers:PleaseinformAWofthe“serialNo.”ontheoccurrenceofclaims.Thisinformationisessentialtopromotethemeasures.1.A/TComponentsandFunctionsSerialNo.Newfunction

for6speed-17-1.6.PositionSensor1.A/TComponentsandFunctionsPositionsensorfunctionisinstalledasonepartofTCM.A/Tshiftrange(P-R-N-D)iscalculatedbyTCMreadingoutputvoltagefrompositionsensorinstalledTCMitself.

-1Itispossibletostartanengineinonly“P”and“N”.

(Preventionofrecklessdriving)

-2Itisusedtoshiftcontrol.

TCMNeutralpositionsensorTCM

(TCMandNeutralpositionsensorintegratedunit)WriteNpositioninformationItisnecessarytoperformanaccurateshiftposition"Npositionadjustment"UsingSSTandadjustNpositionmecanical.UsingtesterandwriteNpositiondataintoTCMWhenA/TorTCMarereplaced,orwhenTCMisreflashed,performNpositionlearning.

Ifnot,itwillcausenostartenginebyPrengeandNrange.(P2806stored)ConventionaltypeCurrenttypeNewfunction

for6speed-18-1.A/TComponentsandFunctionsHowtoperform"N"positionlearning<Please>

IftheautomatictransmissionortheTCMisreplaced,besuretoinitializethelearnedvaluesandperform"N"positionlearning.(1)Preparation<1>Placeto"P"position.<2>Applyparkingbrake.<3>IgnitionswitchOFF.<4>Lockthetires.Caution:Checkthatthevehicledoesnotmovebeforeoperation.(2)Releasetheshiftlock,andshifttheshiftlevertothe"N"position.(3)Checkif"N"markofTCMplacetocorrectposition.(4)ChecktheconditionofconnectorpinofA/T

(foreignmaterial,bendofpins,breakofpinsetc...)

and"O"ringafterTCMremoved.1.8.PositionSensorNewfunction

for6speed-19-<NOTES>

"N"positionadaptationcanbecompletedbyfollowingcondition.

-Gearselectoris"N"position.

-IgnitionswitchON(EngineOFF).

-Vehiclespeedis0km/h.

Pleaserefertothetestermanualforthetesteroperationof"N"positionlearning.

-RecordingNG:goto8.

-RecordingOK:goto9.Inplement"N"positionadaptationbyfollowingcondition.<2>TurnIgnitionswitchON(Noenginestart).<1>"N"positionadaptation.(7)(6)Placeto"N"positionafterIgnitionswitchON.(5)IgnitionswitchOFF.1.A/TComponentsandFunctionsHowtoperform"N"positionlearning1.8.PositionSensorNewfunction

for6speed-20-(9)Complete"N"positionadaptation.<1>Placeto"P"position.<2>IgnitionswitchOFF.<3>Wait10seconds.<4>IgnitionswitchON.(10)Checkifshiftposition&indicatormatchfrom"P"to"D".-Matched:goto12.

-NotMatched:goto11.(11)Checkthefailcode.(P2806stored.RefertoTrobleshooting)(12)Carryoutatestrun.(13)Operationcompleted.Backtostep2.(ReplaceTCMiffailedthreetimes.)<2>Placeto"P"position.<1>Compleate"N"positionadaptation.(8)1.A/TComponentsandFunctionsHowtoperform"N"positionlearning1.8.PositionSensorNewfunction

for6speed-21-1.7.SensorsThesesensorsareusedbytheTCM

to

controlshifttiming,lock-up,enginetorque

andcheckactualgearratio(forself-diagnosis).SpeedsensorOiltemperaturesensorThissensorisusedbytheTCMtoadaptgearshiftingandshiftcontroltooiltemperature.1.A/TComponentsandFunctionsNewfunction

for6speed-22-1.8.TCM–ControllogicSelf-Learning(function)Shiftsareperformedbythesimultaneousapplyandreleaseofclutches/brakesSelf-learningpurposeistoadjustpressurecontrolinordertoachievebestpossibleshiftquality(evaluatedbyTCM)foreachshiftbycompensatingforbelow2itemsWhenA/TorTCMarereplaced,orwhenTCMisreflashed,self-learningvalues,ReplacedEngine,ECMareresetandinitiallearninghastobeperformed.ProductiontolerancesWearofmechanicalpartsovertransmissionlife-time

Perform

Initial-Learinig

-ReplaceA/T,V/BorTCM-ReflashTCMsoftware-Resetself-learinigvalue-ReplaceEngineorECMCausalfactor:

-ConbinationofusedengineandnewA/T.

-NoselflearningdatainTCMetc...Compensating

productiontolerance*Seenextpage<Initialcondition>

LightshiftshockSmoothshifting

Return

touser

Whendealerperform

thefollowingactions1.A/TComponentsandFunctions*PerformSelf-Learningatalltime.-23-1.8.TCM–ControllogicSelf-learning(InitialLearningprocedure)WhenA/TorTCMarereplaced,orwhenTCMisreflashed,self-learningvaluesareresetandinitiallearninghastobeperformed.(1)STEP1:warm-upRaisetheATFtemperaturebyleavingthevehicleidlingorperformingacitydrive.Oiltemperaturehastobebetween65and110degreesC.(Note:Donotraisethetemperaturebystallingtheengine)(2)

STEP2:GarageshiftlearningWiththevehiclestationary,depressthebrakeandkeeptheshiftleverin"N"for3seconds.Then,shiftfrom"N"into"D",andmaintainthisconditionfor3seconds.Repeatthisprocedure5times.Thenrepeat5timesinthesamewayfor"R".(3)STEP3:GearshiftcontrollearningIn"D"position,withthethrottleopeninganglebetween25and35%,driveuntil6thgearandavehiclespeedof110km/horhigherisreached.Then,releasetheacceleratorpedalandcoast,andbringthevehicletoastopwithin60seconds.Repeatthisprocedure10times.(4)STEP4:ChecklearningresultsCheckthatvariablespeedshockandshiftshockhavedecreasedcomparedtotheconditionsbeforelearning.1.A/TComponentsandFunctions-24-1.9.AutomaticTransmissionFluid(ATF)ATFhas3purposes:

1) PowertransmissionbetweenEngineandTransmissioninsideTorqueconverter2) Actuationofclutchesandbrakes(throughvalvebody)3) Lubricationandcoolingofrotaryparts(gears,bearingsbushings…)Mileageclutchliningmaterial

enginecoolantorwater

metallicparticles

ATFcolorischangingwithmileage

ATFcanbecontaminatedby:

Itcanleadtoslip,shiftshock

orshudder

1.A/TComponentsandFunctions-25-ImportanceofoillevelIt’simportanttocontroloiltemperatureforoilleveladjustment.Becauseifoillevelislow/high,

itmightbecauseshiftingshock,oilleakage.

Pleasekeepcontrollingoiltemperature.AdjustcorrecttemperatureAdjusthightemperatureAsaresult…CorrectoillevelHIghoillevel<Assumedoffailure>

-Oilleakage

-Shiftshock

-MILstoredetc...ATFAsaresult…OverflowtubeATF<Assumedoffailure>

-Shiftshock

-MILstored

-Nomoveetc...LowoillevelATFAdjustlowtemperature1.A/TComponentsandFunctions1.9.AutomaticTransmissionFluid(ATF)35354545Newfunction

for6speed-26-Howtoadjustoillevelprocedure

IncreaseRemovefillingplugandadd0.5LATFfromthefillinghole.Tightenthefillingplugwithspecifiedtorque.(3)Startengine.(4)ToraiseATFin35degreeC.

(5)(2)(1)RemovetheoverflowplugtocheckifATFdropsfromtheoverflowhole.IfATFdoesnotdrop,additionalATFtobefilleduntilATFdrops.Tightentheoverflowplugwithspecifiedtorque.Parkthevehicleonlevelplace,andconfirmtheshiftposition"P".1.A/TComponentsandFunctions1.9.AutomaticTransmissionFluid(ATF)Newfunction

for6speed-27-Howtoadjustoillevelprocedure

(8)(7)(6)+BesuretowipeoffspilledATFcompletelyaftertightenATFlevelcheckplug.Usingthenewgasketandtightentheoverflowplugwithspecifiedtorque.CheckATFdropsfromtheoverflowhole.IfATFdrops:

ConfirmtheATFattemperaturebetween35-45degreesCwithoiltemperaturesensorandwaituntilATFdoesdribbleoutfromoverflowhole.Shiftallpositionfrom"P"to"D"withtheexpenditureofmorethan2secondspereachpositionandreturnto"P"afterperformingthe2timesshifting.1.A/TComponentsandFunctions1.9.AutomaticTransmissionFluid(ATF)Newfunction

for6speed-28-CautionofoillevelprocudureDonotreplaceATFindustyconditionBesuretofilluptheA/TspecifiedATFChangeotherATF=>differenttypesof

ATFfrictioncharacteristicsCorrect

ATFOther

ATFNO!OK!DustyconditionMaintenanceshopNO!DustATFSolenoidDust

(StuckinA/Tinnerpart)Asaresult…Asaresult…Shiftshock/slip1.A/TComponentsandFunctionsValvebodyDustinA/Tasaadjustoillevel=>solenoidstuckbydust

=>pressureisnotcontrolledtorequest.CorrectATF:AW-11.9.AutomaticTransmissionFluid(ATF)-29-1.DIFFERENCEBETWEEN6SPEEDAND5SPEEDA/T2.A/TCOMPONENTSANDFUNCTIONS3.TROUBLESHOOTING

-Case- 2.1.CasestudiesofclaimswithDTC

-P0778–SLC1Linearfeedbackcurrent(StuckSLC1)

-P0717–NopulsefromINPUTspeedsensor

-U0100–CAN(LostcommunicationwithEMS) 2.2.CasestudiesofclaimswithoutDTC

-Oilleakage–NoDTCstored

-Shiftshockclaim–NoDTCstored

-Noshift–NoDTCstored

-Noisefromtransmission–NoDTCstored

TableofContent-30-2.1.Casestudies–ClaimswithDTCWhatcouldbethefaultypart?Whatpartstocheck?Inwhichorder?How?Userclaim:Shiftshock,MILstored-31-Whatcouldbethefaultypart?Whatpartstocheck?Inwhichorder?How?CASESTUDY#1:P0778–SLC1Linearfeedbackcurrent(StickSLC1) =>EMERGENCY1<3rdgearlocked>Maindetectioncriteria:Inappropriatefeedbackcurrentforsolenoidcurrentcommandvalue2.1.Casestudies–ClaimswithDTC-32-Whatcouldbethefaultypart?CASESTUDY#1:

P0778–SLC1Linearfeedbackcurrent(StickSLC1)Maindetectioncriteria:InappropriatefeedbackcurrentforsolenoidcurrentcommandvalueP0778SLC1HardwareT/MwireTCM2.1.Casestudies–ClaimswithDTC-33-PerformelectricaltestonconnectorwithT/Mwire(resistance/shortcircuit)P0778CheckconnectorbetweenTCMandA/Tsidewire(rust/damage)Whatpartstocheck?Inwhichorder?How?Replacedamegedparts

(A/Twire,TCM)NGOKSeeNextpageNGOK2.1.Casestudies–ClaimswithDTCCASESTUDY#1:

P0778–SLC1Linearfeedbackcurrent(StickSLC1)Resistance:5.0-5.6Ohms

(at20degreeC)NocontinuitywithgroundReplaceTCM-34-ConfirmSLC1

resistanceWhatpartstocheck?Inwhichorder?How?ReplaceA/TwireReplacevalvebodyNGOKPreviouspage2.1.Casestudies–ClaimswithDTCCASESTUDY#1:

P0778–SLC1Linearfeedbackcurrent(StickSLC1)Resistance:5.0-5.6Ohms

(at20degreeC)Whatcouldbethefaultypart?Whatpartstocheck?Inwhichorder?How?CASESTUDY#2:P0717–NoplusefromINPUTspeedsensor =>EMERGENCY3<3rdgearlocked>Maindetectioncriteria:noinputfromsensorbycomparingwithABSsensorsignal2.1.Casestudies–ClaimswithDTC-35-TransmissionsideInputspeedsensorWireharnessorconnector

(transmissionside)TCMABSsensorissueVehiclesideP0717Whatcouldbethefaultypart?Maindetectioncriteria:noinputfromsensorbycomparingwithABSsensorsignal2.1.Casestudies–ClaimswithDTCCASESTUDY#2:P0717–NoplusefromINPUTspeedsensor =>EMERGENCY3<3rdgearlocked>-36-DTClinkedtoABS?RecordfreezeframedataanddeleteDTCImmediatereoccurenceofDTC?Reoccurswhenshakingvehicleharness?Reoccursduringtestdrive?(cf.freeze-frameconditions)ReplaceharnessandconnectorCleanconnector(temporarydisconnectionsuspected)NONONOYESYESYESCheckconnectorwithTCM(electricalcontinuity)NOKCheckA/Twire(electricalcontinuity)NOKReplaceA/TwireChecksensor(continuityandoutputsignal)NOKReplacesensor(connectororIChallfailure)ReplaceTCMCheckvehicleharness(continuity)ReplaceTCMReplaceharnessCheckABSsensorfirstYESNOOKOKNOKOKOK2.1.Casestudies–ClaimswithDTCCASESTUDY#2:P0717–NoplusefromINPUTspeedsensor =>EMERGENCY3<3rdgearlocked>-37--38-Whatpartstocheck?Inwhichorder?How?Whatcouldbethefaultypart?CASESTUDY#3:U0100–CAN(LostcommunicationwithEMS) =>EMERGENCY3<3rdgearlocked>Maindetectioncriteria:EMSabnormalitydetected2.1.Casestudies–ClaimswithDTC-39-Whatcouldbethefaultypart?Maindetectioncriteria:EMSabnormalitydetectedU0100EMSVehiclesidewire*Wireharnessandconnector

(CANcommunicationsystem)2.1.Casestudies–ClaimswithDTCCASESTUDY#3:U0100–CAN(LostcommunicationwithEMS)-40-InspectcorrespondingpartsU0100NGOKReplacetheVehiclesideappropriatepartsNGOKWhatpartstocheck?Inwhichorder?How?2.1.Casestudies–ClaimswithDTCCASESTUDY#3:U0100–CAN(LostcommunicationwithEMS)CleantheconnectorsThesemalfunctionsdonotindicatethattheTCMismalfunctioning.

MakesurenottoreplacetheTCMwhenthesemalfunctionsaredetected.CheckconnectorbetweenTCMandVehiclesidewire(rust/damage)Replacedamegedparts

(Vehiclesidewire,TCM)-41-Whatcouldbethefaultypart?Whatpartstocheck?Inwhichorder?How?CASESTUDY#4:Oilleakage–NoDTCstored2.2.Casestudies–ClaimswithoutDTC-42-CASESTUDY#4:Oilleakage–NoDTCstored2.2.Casestudies–ClaimswithoutDTC1.Cleaninganddegreasingof

oilleaksuspectedparts.

Usingtool:partscleanerorBrakecleaner2.Afterdegreasing,applydeveloperto

cleaningpoint.

Usingtool:Developer3.Startengine4.Enginewarm-up

(Targettemp.:around80degreeC)5.Afterenginewarm-upcompletion,

confirmoilbleedingfromtheoilleakpoint.

Whenoilbleeding,checkthecoloroftheoil.

RedorRedbrown->ATF

BlackorDarkbrown->EngineoilHowtocheckoilleakageprocedure.-43-Whatcouldbethefaultypart?Whatpartstocheck?Inwhichorder?How?CASESTUDY#5:Shiftshockclaim–NoDTCstored2.2.Casestudies–ClaimswithoutDTC-44-Slip/ShocksATFOnlyforshiftsrelatedtooneclutch?LowlinepressureIncorrect

clutchcommandEngineissueNGATFlevelWaterinATFleaksstrainercloggedSolenoidH/Wfailure(*)NOTE:

aboveitemsareprovidedasexamplesonlyanddonotintendtobeanexhaustivelistSLTissueSelf-learningissueNotcompletedAbnormalbehaviourEnginetorquenotmatchingElectricalfailureStuckbyparticleVehiclespec.ElectricalfailureStuckbyparticleT/CtoolongboltsChangeofwheelradius

NOYESClutch

H/WissueClutchpistondamaged2.2.Casestudies–ClaimswithoutDTCCASESTUDY#5BigshockSameshockReturntouser

waitandseealittlemoreVehiclespec.NotlatestsoftwareChangeofwheelradius

NotlatestsoftwareComparetoothervehicle

withsameengineandsoftware-45-Slip/ShocksATFOnlyforshiftsrelatedtooneclutch?LowlinepressureIncorrect

clutchcommandEngineissueNGATFlevelWaterinATFleaksstrainercloggedSolenoidH/Wfailure(*)NOTE:

aboveitemsareprovidedasexamplesonlyanddonotintendtobeanexhaustivelistSLTissueSelf-learningissueNotcompletedAbnormalbehaviourEnginetorquenotmatchingElectricalfailureStuckbyparticleVehiclespec.ElectricalfailureStuckbyparticleT/CtoolongboltsChangeofwheelradius

NOYESClutch

H/WissueClutchpistondamaged2.2.Casestudies–ClaimswithoutDTCCASESTUDY#5BigshockVehiclespec.NotlatestsoftwareChangeofwheelradius

NotlatestsoftwareSameshockReturntouser

waitandseealittlemoreComparetoothervehicle

withsameengineandsoftware-46-CASESTUDY#5:Shiftshockclaim–NoDTCstored2.2.Casestudies–ClaimswithoutDTCThepurposeoftheroadtestistograspsymptomsofmalfunctionaccurately.=>itmightbesameshocklevelwithothervehicle.

Besuretoperformtheroadtestundertheconditionsbelow.-Confirmusercomplainexactly.-SwitchesofA/Candlight,etc.,areoff.-Cruisecontrolisoff.ItemProcedureShiftFunction(Drange)Inordinarydriving,inspectshiftfrom1stspeedto2ndspeed,3rdspeed,4thspeed,5thspeed,and6thspeed.ShocklevelofshiftindrivingInordinarydriving,inspectshiftingsmoothlyinupshift.Kick-downFunctionInspectdownshiftbyperformingkick-downoperationforeachgear.

Inspectshocklevelinkick-down.OperationofenginebrakeInspectoperationofenginebrakeintheManualmode1stgear.Shiftingpointatthetimeof

fullpressonacceleratorpedalInspectthatupshiftspeedmatchesthespecifiedshiftpointfrom1stspeedto2ndspeedbysteppingfullyontheacceleratorpedalinDrange.ManualShiftControlFunctionInspectabilitytoshifttogivengearwhentheshiftleverisputintoManualmode.Lock-upControlFunctionCheckthatenginerevolutiondoesnotchangedramaticallywhensteppingslightlyontheaccelerationpedalindrivingonalevelroadinlock-upspeedarea.<Caution>Incaseofperformingroadtestonanordinaryroad,firstcheckthesafetyoftheroad.-47-Allshiftsmaybeaffected

Onlyshiftslinkedto1singleclutchareaffected

2.2.Casestudies–ClaimswithoutDTCSlip/ShocksATFOnlyforshiftsrelatedtooneclutch?LowlinepressureIncorrect

clutchcommandEngineissueNGATFlevelWaterinATFleaksstrainercloggedSolenoidH/Wfailure(*)NOTE:

aboveitemsareprovidedasexamplesonlyanddonotintendtobeanexhaustivelistSLTissueSelf-learningissueNotcompletedAbnormalbehaviourEnginetorquenotmatchingElectricalfailureStuckbyparticleVehiclespec.ElectricalfailureStuckbyparticleT/CtoolongboltsChangeofwheelradius

NOYESClutch

H/WissueClutchpistondamagedCASESTUDY#5BigshockVehiclespec.NotlatestsoftwareChangeofwheelradius

NotlatestsoftwareConfirmedby:SameshockReturntouser

waitandseealittlemoreComparetoothervehicle

withsameengineandsoftware-48-2.2.Casestudies–ClaimswithoutDTC(*)NOTE:

aboveitemsareprovidedasexamplesonlyanddonotintendtobeanexhaustivelistTobeconfirmedusing

ATFconditionandoillevelSlip/ShocksATFOnlyforshiftsrelatedtooneclutch?LowlinepressureIncorrect

clutchcommandEngineissueNGATFlevelWaterinATFleaksstrainercloggedSolenoidH/Wfailure(*)NOTE:

aboveitemsareprovidedasexamplesonlyanddonotintendtobeanexhaustivelistSLTissueSelf-learningissueNotcompletedAbnormalbehaviourEnginetorquenotmatchingElectricalfailureStuckbyparticleVehiclespec.ElectricalfailureStuckbyparticleT/CtoolongboltsChangeofwheelradius

NOYESClutch

H/WissueClutchpistondamagedCASESTUDY#5BigshockVehiclespec.NotlatestsoftwareChangeofwheelradius

NotlatestsoftwareSameshockReturntouser

waitandseealittlemoreComparetoothervehicle

withsameengineandsoftwareAllshiftsmaybeaffected

Onlyshiftslinkedto1singleclutchareaffected

-49-Mileageclutchliningmaterial

enginecoolantorwater

metallicparticles

ATFcolorischangingwithmileage

ATFcanbecontaminatedby:

Itcanleadtoslip,shiftshock

orshudder

CASESTUDY#5:Shiftshockclaim–NoDTCstored2.2.Casestudies–ClaimswithoutDTC

NoreplaceA/TandATF

CheckoilconditionCheckresult

ReplaceA/T

*IfenginecoolantwatermixedinA/T,

checkcoolantsystem

Checkresult-50-Howtoadjustoillevelprocedure

CASESTUDY#5:Shiftshockclaim–NoDTCstored2.2.Casestudies–ClaimswithoutDTCIncreaseRemovefillingplugandadd0.5LATFfromthefillinghole.Tightenthefillingplugwithspecifiedtorque.(3)Startengine.(4)ToraiseATFin35degreeC.

(5)(2)(1)RemovetheoverflowplugtocheckifATFdropsfromtheoverflowhole.IfATFdoesnotdrop,additionalATFtobefilleduntilATFdrops.Tightentheoverflowplugwithspecifiedtorque.Parkthevehicleonlevelplace,andconfirmtheshiftposition"P".-51-CASESTUDY#5:Shiftshockclaim–NoDTCstored2.2.Casestudies–ClaimswithoutDTCHowtoadjustoillevelprocedure

(8)(7)(6)Usingthenewgasketandtightentheoverflowplugwithspecifiedtorque.CheckATFdropsfromtheoverflowhole.IfATFdrops:

ConfirmtheATFattemperaturebetween35-45degreesCwithoiltemperaturesensorandwaituntilATFdoesdribbleoutfromoverflowhole.Shiftallpositionfrom"P"to"D"withtheexpenditureofmorethan2secondspereachpositionandreturnto"P"afterperformingthe2timesshifting.lowATFlevel=>lowlinepressure=>shock/slip-52-Tobeconfirmedusingstalltest

Seenextpage2.2.Casestudies–ClaimswithoutDTCSlip/ShocksATFOnlyforshiftsrelatedtooneclutch?LowlinepressureIncorrect

clutchcommandEngineissueNGATFlevelWaterinATFleaksstrainercloggedSolenoidH/Wfailure(*)NOTE:

aboveitemsareprovidedasexamplesonlyanddonotintendtobeanexhaustivelistSLTissueSelf-learningissueNotcompletedAbnormalbehaviourEnginetorquenotmatchingElectricalfailureStuckbyparticleVehiclespec.ElectricalfailureStuckbyparticleT/CtoolongboltsChangeofwheelradius

NOYESClutch

H/WissueClutchpistondamagedCASESTUDY#5BigshockVehiclespec.NotlatestsoftwareChangeofwheelradius

NotlatestsoftwareSameshockReturntouser

waitandseealittlemoreComparetoothervehicle

withsameengineandsoftwareAllshiftsmaybeaffected

Onlyshiftslinkedto1singleclutchareaffected

-53-Purpose:Confirmclutchslipping,lackofenginepowerorT/Cfailure2.2.Casestudies–ClaimswithoutDTCStalltestresultlowReplacetorqueconverterandinspectengineparts

(Lackofenginepower)

StalltestresulthighReplaceA/T

ChecktestresultCASESTUDY#5:Shiftshockclaim–NoDTCstoredSTALLTEST2370-2770rpm-54-2.2.Casestudies–ClaimswithoutDTCSlip/ShocksATFOnlyforshiftsrelatedtooneclutch?LowlinepressureIncorrect

clutchcommandEngineissueNGATFlevelWaterinATFleaksstrainercloggedSolenoidH/Wfailure(*)NOTE:

aboveitemsareprovidedasexamplesonlyanddonotintendtobeanexhaustivelistSLTissueSelf-learningissueNotcompletedAbnormalbeh