资源描述：
《新款丰田凌志VSC系统自我诊断与元件检测》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、新款丰田凌志VSC系统自我诊断与元件检测NewToyota/lexusVSCsystemself-diagnosisandcomponenttestingAfter2000,Toyota/lexuscarsthatmostofthevehiclesequippedwithABSsystem,atthesametimewithEBD(electronicbrake-forcedistribution),BA(auxiliarybrake),TRAC(tractioncontrol)andVSC(vehiclestabilitycontrolsystem)・Thispa
2、perintroducestheself-diagnosisandtestingmethodofVSCsystem・Toavoidthesuddenfactors,thedriverduringemergencybrakingorsheering,itiseasytocausethevehicledeviatesfromtheroute,VSCsystemcanautomaticallycontrolthevehiclesideslip,guaranteethestabilityofthevehicle・ThecomponentsoftheVSCsystemares
3、howninfigure1.VSCwarningbuzzerDeflectionanddecelerationThesensorSteeringAngleThesensorCombinationmeterDiagnosisofaDLC3Anti-slipcontrolABSECUFigure1VSCsystemelementlocationdiagram11One,VSCsystemself-diagnosisWhentheVSCfailurewarninglightonthedashboardisilluminated(figure2),theVSCsystemm
4、ustbeself-diagnosed.IftheenginecontrolsystemortheABSsystemfailure,canalsocauseVSCsystemfaultwarninglightsup,whentheengineorABStroubleshootingandclearfaultcodes,VSCwarninglightwillgoout,don，thavetobefurthermaintenance・Theself-diagnosisoftheVSCsystemcanbemadeusingspecializedinstruments,o
5、rbyhand.ThefailurewarninglightfortheVSCsystemisshowninfigure2ManuallyreadtheABS/VSCfailurecodeByusingthesamecontrolcomputer,theself-diagnosisoftheVSCsystemispartoftheABSself-diagnosissystem,byhandreadingtheABS/VSCfailurecodeprogramasfollows:(1)turntheignitionswitchtoOFF.(2)checktoseeif
6、theshiftpolepositionisinPandshifttothemiddleposition.(3)toconnecttheobd~iiterminalTS(14)andCG(4)withacrossconnection,asshowninfigure3.(1)starttheengine.Figure3isthediagnosticsocket12(2)checktheVSCwarninglightsforflashing・Note:iftheVSCwarninglightsarenotflashing,checktheVSCwarninglightc
7、ircuitandtheTSterminalcircuit・(3)afterinstallingthenewECU,theengineshouldbestartedfirstandthevehicleshouldbestoppedontheflatsurfaceformorethan3seconds,andthezerocalibrationofthedeflectionsensorisset・(4)checkthesteeringAnglesensor・Movefromthevehicletotheleftorrighttotherightofthesteer
