丰田RAV4发动机2GRFE培训

ContentsClickaSectionTabEngineOverallEngineControlSystemEngineOverall2GR-FEEngineV6(60-degree),3.5-liter,24-valve,DOHCenginew/DualVVT-i,ACISandETCS-iBasicconstructionandoperationissameas2GR-FEon’06AVALON-A-KEngineOverallSpecificationsItem2GR-FE(’06RAV4)2GR-FE(’06AVALON)No.ofCylindersandArrangement6-Cylinder,V-type

ValveMechanism24-ValveDOHC,ChainDrive,DualVVT-I

CombustionChamberPentroofType

Displacementcm3(cu.in.)3,456(210.9)

Borexstrokemm(in.)94.0x83.0(3.70x3.27)

CompressionRatio10.8

Max.OutputkW@rpm(HP@rpm)200@6,200(268@6,200)

Max.TorqueN·m@rpm(lb-ft@rpm)336@4,700(248@4,700)

-A-KReference(EngineOverall)MajorDifferencefrom2GR-FEon’06AVALONItem2GR-FE(‘06RAV4)2GR-FE(‘06AVALON)ChargingControlWithWithoutCoolingFanControlNormal:1controllerfor2fans1controllerfor2fansTowingPackage:2controllersfor2fansECMLocationEnginecompartment(withwaterproofconnector)Cabin-A-KEngineControlSystemChargingControlBatterytemperaturesensorisintegratedintothebatterycurrentsensorBatteryTemperatureSensor(Thermistor)-A-KReference(EngineControlSystem)ChargingControlECMcontrolsthealternatorgenerationvoltagetoreduceengineloadforfueleconomyAccelerationDecelerationReduceengineload-A-KReference(EngineControlSystem)ChargingControlBatterycurrentsensorandbatterytemp.sensorisusedforthissystemECMCalculateBattery

ConditionDrivingConditionJudgmentBattery+-VoltageCurrentCrankshaftPositionSensorVehicleSpeedSensorNeutralStartSwitchThrottlePositionSensorBatteryCurrentSensor(withBatteryTemp.Sensor)AlternatorGenerationVoltageICRegulatorGeneratedVoltageisvariableElectricLoad(Wiper,Bloweretc.)Temperature-A-KReference(EngineControlSystem)ChargingControlBatterycurrentsensoruseshallICCoreCurrentMagneticFluxHallICBattery“-”Terminal-A-K-10001002.50.54.5Current(A)OutputVoltage(V)Reference(EngineControlSystem)ChargingControlSystemDiagramICRegulatorCombinationMeterAlternatorAssemblyBattery+-IGLEF+BVoltage,Current,BatteryTemp.ThrottlePosition,EngineSpeed,VehicleSpeed,ShiftPositionCPUECM-A-KReference(EngineControlSystem)ChargingControlOperation(Example)IdlingAccelerationConstantDrivingDecelerationIdlingDrivingConditionRegulateSOCLOHIRegulateSOCRegulateSOCGenerationMode*:StateOfChargeVehicleSpeedSlowFastSOC*TargetSOCControlRegionGeneratedVoltageLoHiwithoutChargingControl-A-KServicePoint(EngineControlSystem)ChargingControlFail-safe:ECMstopschargingcontrolifoneofthefollowingconditionsismetV121.Voltagedrops2.Batteryfluidtemp.abnormal3.HighelectricloadVarious

Sensors4.MalfunctionECM-A-KEngineControlSystemEvaporativeEmissionControlSystemServiceportisdiscontinuedRefuelingValvecanisterFilterCanisterRestrictorPassageVentValve[PumpModule]EVAPValveFuelTankFreshAirLinePressureSensorVacuumPumpandPumpMotorToIntakeManifoldReferenceOrificeDiscontinued-A-K[PumpModule]ServicePoint(EngineControlSystem)EvaporativeEmissionControlSystemConnecttheEVAPtestertothefreshairline(positionindicatedbyarrow)tocheckEVAPsystemCanisterFilterCanisterEVAPValveFreshAirLineToIntakeManifoldDiscontinuedCanisterFilterCanister-A-KServicePoint(EngineControlSystem)EvaporativeEmissionControlSystemConnectionconditionforEVAPtesterAdoptersCanisterEVAPTesterAdoptersPump-A-KEngineControlSystemCoolingFanControlTowingpackagemodel:2coolingfanECUsfor2fansOthermodel:1coolingfanECUfor2fansTowingPackageModelOtherModelCoolingFanMotorsSteplessControlFanSpeedSignalMECMCoolingFanECUMCoolingFanMotorsSteplessControlFanSpeedSignalMECMCoolingFanECUMCoolingFanECU-A-KEngineControlSystemECMECMislocatedatenginecompartment-