汽车专业英语 教学课件 黄星 刘春波 黄汽驰 10.ppt

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1、Unit10IntroductiontoInstrumentClusterPart ITechnicalandPracticalReadingPassageAGaugesandWarningLampsAnautomotiveinstrumentclustercontrolsystemisthebrainsbehindthecardashboard,poweringallgauges,displays,LEDwarninglampsandsoundsignals.Itsprimaryfunctionsaretocommunicatewithexte

2、rnaldatasourcesandcontrollingdataoutputdevices.Seefigure10-1.Figure10-1Atypicalinstrumentclustermainlyhastachometer,speedometer,fuelgaugeandtemperaturegauge.1.Tachometer:measuresthespeedofrotationoftheengine,inrevolutionsperminute(rpm).Seefigure10-2.Figure10-2Tachometer2.Spee

3、dometer:measurestheinstantaneousspeedofacar.Seefigure10-3.Figure10-3Speedometer3.Fuelgauge:thisgaugeworkswhenignitionisswitchedon.Whentheneedlereachestheredzoneandthewarninglamplightsup,thereisabout7litersleftinthetank.Seefigure10-4.Figure10-4FuelGauge4.Temperaturegauge:thega

4、ugestartstoworkwhenignitionisswitchedon,butittakessometimebeforetheneedlereachesitsfinalposition.Seefigure10-5.Figure10-5TemperatureGaugeThelayoutofthewarminglampsdependsoncarmodels.TaketheBoraforinstance.Thesymbolsshownherearealsoontheactualwarninglamps,seefigure10-6below.Fi

5、gure10-61.Airbagsystem:thewarninglamplightsupforafewsecondsandgoesoutwhentheingitionisswitchedon.Oncarswiththepassenger-sideairbagdeactivatedthewarninglampwillthenflashforabout15seconds.Ifthewarninglampdoesnotgooutafterthegivenperiod,orifitlightsup,flashesorflickersduringajou

6、rney,thereisafaultintheairbagsystem.Thesystemshouldimmediatelybecheckedbyadealer.2.Mainbeam:thewarninglampcomesonwhenmainbeamisonorwhentheheadlightflasherisused.3.Coolanttemperature/coolantlevel:whentheignitionisswitchedon,thewarninglampflashesforafewsecondsasafunctionalcheck

7、.Ifthissymbollightsuporflasheswhendriving,eitherthecoolanttemperatureistoohighorthecoolantleveltoolow.4.Engineoilpressure/oillevel:thewarninglamplightsupforafewsecondsasafunctionalcheckwhenignitionisswitchedon.Ifthewarninglampdoesnotgooutanacousticsignalwillsound3timesasanadd

8、itionalwarning.Donotstarttheengine!Checkoillevelandifnecessary,addoi