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1、汽车电控系统Short-answerquestionsThecontentsoftheinitialtestoftheengine?Askforcustomer'sopinion,engineinspection,basicengineinspection,andtroubleshootingcodeWhatistheengineeyeproject?Demolitionofairfiltertocheckwhetherthereisstolengoodsand,whennecessary,filte
2、randitssurroundingchange,checkifthevacuumhoseburst,agingorcrushed,checktheroutevacuumhoseandconnectoriscorrect,checkwhetherthereisoilleakage,checkthecomputercontrolsystemofwireconnectionstatus,checkeachsensoractuatorforobviousdamage,motortestingintothee
3、xhaustmanifoldandexhaustgasoxygensensortoseeifthereisleakage,quitenecessarytoexcludebreakdownsWhatarethestepsofthebasicidletest?Starttheenginewatertemperatureatnormaloperatingtemperature,turnoffalltheadditionalelectricaldevices,turnofftheairconditioning
4、switch,transmissioncontrolleverintheNfile,connect!onspeedtable,tachometersignalcolumnconnectiondiagnosisofIG一socketconnector,checktheidle,iftheidlespeedisbeyondthescopeofregulation,adjustthemixtureconcentrationregulationcircuit(VAF)ifstilldonotconformto
5、therequirements,thenthetroubleshootingprocess4,theinspectionstepoftheignitiontimingoftheengine?Starttheenginewatertemperaturetonormaloperatingtemperature,transmissioncontrolleverintheNposition,maketheenginespeedisstablewithajumperinidlespeed,Internetexp
6、lorerandEjoint,diagnosticsocketconnectionstiminglights,willtimingsignalinductionlamp1cylinderwireclamp,checkthebasispoints,theKvalue,thenormalrange:8to12degrees,ifthebasicignitionadvaneeAngleisbeyondthescopeofregulation,checkwhetherthethrottleisfullyclo
7、sed,throttlepositionsensoroftheIDLandE2connectioncolumnisinterlinkedandthrottletimingisnorma1.IstheautospecialmetermeasuringtheclosingAnglestepoftheprimarycoil?Transferfunctionoftheenginecylinderclosuremeasurementselectionswitchtothecorrespondingpositio
8、nSharedgroundingtestlineofjack,jackignitioncoilnegativetestline,candisplaywhentheengineisrunningtheshowclosedconductiontimeofignitioncoilprimarywindingAngleHowdoyoumeasuretheproportionofthefuelinjectorbyusingacarspecialmeter?Tran
