西门子电喷系统诊断维修.pdf

《西门子电喷系统诊断维修.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、CheryS11EngineManagementSystemTroubleshootingwithDiagnosticTroubleCode2004-01-09Supplyingvalue.TPStroubleshootingwithDTCSensorInputDTCDTCnumber(MILisOn)ThrottlepositionsensorCampositionsensorP0123:Throttle/Pedalpositioncircuithighinput–SCBorOCCrankpositions

2、ensorP0122:Throttle/Pedalpositioncircuithighinput–SCGVehiclespeedsensorTMAPsensorCoolanttemp.sensorVBKnocksensorO2sensorVCCWideopenThrottlevalveACevap.temp.sensorVCCSystemvoltageproblemRSignalActuatoroutputDTCRSCBRO2sensorheatercircuitCTouPFuelpumpcircuitGN

3、DClosedThrottlevalveInjectorcircuitSCGIGcoilcircuitTPSECUPurgecontrolvalvecircuitIdlespeedactuatorMILcircuitDetectionConditionA/Crelay/switchcircuit:ThesensorsignalisstuckinhighorlowlevelbySCG,OC,SCBincircuitduringcalibratedtime.CoolingfanrelaySVSASCOQPQJan

4、.2004MHLee/TroubleshootingwithDTCPage:2CampositionsensortroubleshootingwithDTCSensorInputDTCDTCnumber(MILisOn)ThrottlepositionsensorCampositionsensorP0340:CamshaftpositionsensorcircuitmalfunctionCrankpositionsensorDiagnosiswindowVehiclespeedsensor*Rangedepe

5、ndsoncalibratedvalueTMAPsensorCoolanttemp.sensorVCCKnocksensorV_RLYHoleElememtRRO2sensorACevap.temp.sensorSignalRSystemvoltageproblemTouPCTRGNDActuatoroutputDTCACTIVECAMPOSITIONSENSORO2sensorheatercircuitECUFuelpumpcircuitInjectorcircuitDetectionConditionIG

6、coilcircuitPurgecontrolvalvecircuit1)ThesensorsignalisstuckinhighorlowlevelbySCG,OC,SCBincircuitduringcalibratedrotation.Idlespeedactuator2)Nosignalorinvalidsignalisgeneratedafter1stcylindersynchronizationundertheconditionMILcircuitA/Crelay/switchcircuitofN

7、oCranksensorerrorduringcalibratedrotation.CoolingfanrelaySVSASCOQPQJan.2004MHLee/TroubleshootingwithDTCPage:3CrankpositionsensortroubleshootingwithDTCSensorInputDTCDTCnumber(MILisOn)ThrottlepositionsensorCampositionsensorP0335:Crankshaftpositionsensorcircui

8、tmalfunctionCrankpositionsensorVehiclespeedsensorTMAPsensorCoolanttemp.sensorHoleElememt#1V_RLYVCCKnocksensorRRO2sensorACevap.temp.sensorSignalRSystemvoltageproblemTouPCTRHoleElememt#2GNDActuatoroutput