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1、1DTC故障部件故障現(xiàn)象可能的原因維修方法備注112AcceleratorPedal1failure加速踏板1故障機動車加速緩慢,發(fā)動機怠速為500rpm線束短路或斷開,油門踏板故障檢查加速踏板信號或更換加速踏板113AcceleratorPedal/Brakeplausibility加速踏板與制動踏板干涉Acc.pedalpositionislimitedto0%.Transitionviaramp(Up:20,Down:50%/s)Lowidlesetpointspeedisincreasedto500rpm.加速踏板和制動踏板同時踩下的時間過長,加速踏板出現(xiàn)鎖止
2、或故障,對機動車的操作存在錯誤檢查加速踏板信號和踏板的機械運動情況116MainClutchSignalfailure離合信號故障Thedefaultvalue128isusedasoutputfortheclutchstatesignal.離合器開關故障,踏板線束短路或斷路檢查離合器開關或線束117BrakeSignalfailure制動踏板故障DuringdefectdetectionandforfinallydetecteddefectthebrakestatusBrkCD_stPressedissetto'brakepossiblyactuated'.Duri
3、nghealingthebrakestatusissetto'brakedefinitelyactuated'and'brakepossiblyactuated'.主級和副級制動開關未同步,其中的一個制動開關出現(xiàn)故障或未連接檢查兩個制動信號和線束2故障碼:112AcceleratorPedal1failure加速踏板1故障故障描述:Apotentiometer/switchacceleratorpedalisinstalled.IncaseoftemporarydefectsthelastvalidvalueafAPP1isfrozen.ATTENTION:Witht
4、hecurrentmonitoringfunctionalityadisconnectionoftheacceleratorpedalcannotbedetected!!348加速踏板怠速開關負極77加速器電位計的供給電壓78加速器電位計的接地電壓79加速器電位計的信號B接口4標準值:1.拔下加速傳感器接頭2.將點火開關置于”點火”檔(不起動發(fā)動機)3.測量加速傳感器XX與XX之間的壓降NOYES至第4步至第5步4.檢查線束標準值:NOYESECU故障ECU端子故障線束故障55.連接加速傳感器端子6.將點火開關置于”點火”檔(不起動發(fā)動機)7.測量加速傳感器的輸出電壓
5、:標準值:至第8步ECU故障ECU端子故障8.保持加速傳感器端子連接9.將點火開關置于”點火”檔(不起動發(fā)動機)10.測量加速傳感器的輸出電壓:NOYES標準值加速傳感器故障線束松脫或短路6AcceleratorPedal/Brakeplausibility加速踏板與制動踏板干涉故障碼:113Implausibilityisdetectedifacceleratorpedalandbrakearepressedsimultaneously,whereastheacc.pedalwasactivatedfirst(Reactionofdrivertounwantedpr
6、opulsion).Plausibiltyischeckedevery20ms.Prerequisitsforplausiblitycheck:Nofailureofbrake,enginespeed>500rpm,vehiclespeed>0km/h原因:Acceleratorpedalandbrakepedalareactivatedtogether.Acceleratorpedallockedordefect檢查:WronguseofvehicleChecksignalofacceleratorpedalandmechanicalmovementofaccele
7、ratorpedal7如果是出現(xiàn)誤操作,該如何清除,恢復的條件是什么1.將點火開關置于”點火”檔(不起動發(fā)動機)2.測量加速踏板的輸出信號踩下加速踏板標準值:NOYES加速踏板故障8MainClutchSignalfailure離合信號故障故障碼:116Monitoringoftheclutchstatesignal.TheSigfailureismonitoredcontinuously(ifthesignalisreceivedviaCAN).ThemonitoringoftheNplfailurestartswheneverthevehicle
