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专业英语unit7《汽车专业英语》王海林主编Part2ReadingGuidetoCommonEnglishforAutomobileServiceandMaintenance第二部分汽车维护常用英语导读Unit7OperatingGuidetoAutomobileMaintenanceEquipment(汽车维护设备操作引导)7.1V.A.G1552DiagnosisInstrument大家学习辛苦了，还是要坚持Thescreenstillindicates“Q”,presstheQkey,thescreenwillshowwindow(6):Whythecontrolunitdoesnotanswer?PressHELPkey,screenwillshowthepossiblecauseswith25s.Findouttherealcauseaccordingtothepossiblecauses.Forexample,donotconnecttheignitionswitch,theabove-mentionedprocesswillappear.Closetheignitionswitch,thescreenwillshowwindow(1).Input01,presstheQkey,screenwillgetintoengineelectroniccontrolsystem,anddisplaythemaininformationoftheenginecontrolunit..Forexample,theenginecontrolunitofaPassatcar：Press→,indicatesenteringthefunctionselectionwindow(7),thescreenonlycanshowthefollowingcharactersaftergetintoaddresswindow:Atthistime,ifthetesterisinputtedonefunctioncode(01~11),itcangetintothefunctionappearance.Ifyoucannotrememberafunctioncodeclearly,presstheHELPkey,thetestercanshowthis11functioncodesquickly.7.2AutomobiledecoderThemalfunctionofthecarisunstableidle,andemittingblacksmokewhenaccelerating.Getintothesystemfirst,thescreenwillshinewhenthediagnosticconnectorisconnected,showingtherelatedinformation,thenenterthediagnosticcatalogue.Thedisplayshows:Press↑and↓tomovecursortoselectthesystemyouneedtotest,presstheENTERkeyintothenextscreenaftermakeselection.SelectDME（enginecontrolsystem）,andgetintothepromptinterfaceofdiagnosticconjunction,thedisplayshows:7.3AutomobileScope7.4EngineAnalyzer7.5Automobile4-WheelAligner7.6DigitalMultimeter1.HowtoMeasureVoltage2.HowtoTestDiode3.HowtoMeasureCurrent4.HowtoTestContinuity5.HowtoMeasureResistance6.HowtoMeasureRPMwiththeRPM80InductivePickup7.HowtoUseDC-CoupledHZtoCheckBP/MAPSensors8.HowtoUseAC-CoupledHzonaCrankshaftPositionSensor9.HowtoMeasureDwellonConventionalIgnitions10.HowtoMeasureDutyCycleonaFeedbackCarburetor11.HowtoMeasureTemperatureonaCoolantTemperatureSensor12.HowtoStoreMinimumandMaximumMeasurements
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