1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide2车身电气系统培训北京惠通陆华汽车销售有限公司售后技术部1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide3Electricalsignals1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide4Examplesofelectricalsignals:-•Analoguesignals•DC•ACElectricalSignals•Digitalsignals•PWM•Pulsefrequency•CANBus1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide5•Heatedrearwindowswitch•Foglampswitch•Airconditionrequest•Anypotentiometer(电压计)•Anyresistivefeedbackcircuite.gcoolanttempsensorElectricalSignals-Analogue-DC1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide650LINEARCHANGEFROMASENSORVOLTAGEElectricalSignals-Analogue-DCAsseenonanoscilloscope1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide7•Crankshaftpositionsensor•Pulsegeneratordistributor•Wheelspeedsensor•Internalwindingofanalternator(notoutput)ElectricalSignals-Analogue-AC1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide8CrankshaftsensoroutputElectricalSignals-Analogue-ACAsseenonanoscilloscope1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide9•Temperaturegauge•Oxygensensorheatercircuit•Idleaircontrolvalve•Heateddoormirrorcircuit•PurgevalveElectricalSignals-Digital-PWM1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide10ElectricalSignals-Digital-PWMAsseenonanoscilloscope1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide11•Speedometer(里程表)•Enginecontrolmodule(ECM)•Revcounter(转速表)ElectricalSignals-Digital-FDSWFrequencydependentsquarewave1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide12Frequencydependentsquarewave-50500.81.62.43.244.85.66.47.288.89.610.411.21212.813.614.415.21616.817.618.419.22020.821.622.423.22424.825.626.427.22828.829.630.431.23232.833.634.435.23636.837.638.439.240TimeVoltageSquarewaveSinewaveABSSensorABSECUECMElectricalSignals-Digital-FDSWFrequencydependentsquarewave1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide13目录电瓶发电机起动马达线束保险盒网络SRS座椅仪表自适应前大灯1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide14电瓶电瓶是由Delphi生产的,铅钙电瓶位于机舱的右侧,上有保护盖,以防高温此电瓶使车辆在–30°C下不要额外的电源就可以起动(–25°C柴油机)发现3的电瓶有两种规格:H775AH–所有汽油机H890AH–V6柴油机注意:在极冷的条件下,需要额外的电瓶来起动车辆1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide15运输断电器车辆储存时,可以减少电瓶的放电1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide16发电机和起动马达1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide17发电机所有的车型用的都是Denso150A的发电机发电机有12个二极管,双定子发电机有诊断功能发电机用PWM信号与EMS进行通讯,以此来优化充电(电气负载管理)向ECM传递信号,能对ATCM的负荷进行控制1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide18电气负载管理ATCM管理车辆的电气负载的优点:使车辆的电瓶处于良好的充电状态发动机暖机时,确保有足够的电源用于除雾发动机怠速运转,有足够的电源供给保持车辆的电压在合理的范围之内提供足够的电源,以满足顾客的需要采用电气负载管理系统,可将Most光纤环上的系统和空气悬挂调整到省电模式,调座椅加热和空调加热的特性,避免出现电瓶电压低,打不着车。1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide19电气负载管理加热前风挡加热后风挡加热前座椅加热后座椅加热前风挡喷嘴加热车外后视镜后排通风鼓风机前加热与通风驻车加热车载娱乐空气悬挂负载管理:-Pg1161/24/20202:53PM©LandRover2003.Presenter/FilenameSlide20起动马达起动马达的功率为1.8kW(2.0kWDiesel),增强4X4越野时的保护起动马达的信号是由发动机管理系统电子控制的。它有防再起动功能这样可以防止发动机起动时,意外接合起动马达它还可以防止起动马达超速失效1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide21EJB-+CJBMFE前保险杆发动机舱后保险杆ICE/NAV尾门玻璃天窗仪表台驾驶舱后悬挂右前门左前门左后门右后门中控台风挡喷水电机水管前风挡喷水管后风挡喷水管前悬挂拖车插头Tx发动机尾门主要线束布置图1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide22驾驶舱线束主要线束布置图1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide23主要线束布置图AT线束V6发动机线束电瓶线发动机/底盘的搭铁线变速箱和电瓶线束1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide24主要线束布置图保护套保险盒左前大灯右前大灯发动机舱线束1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide25车门线束布置图左前门线束-LHD1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide26仪表线束布置图LHDIP/仪表线束1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide27保险丝盒发现3有两个保险丝盒:EJB(发动机舱保险丝盒)位置–发动机舱,副驾驶员侧,紧挨着电瓶的方盒CJB(中央保险盒)位置–副驾驶员侧,手套箱后面1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide28EJB位置拆下保护罩1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide30EJB位置1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide33EJB包括继电器–5x电源小继电器8x小继电器5x微继电器保险丝-17x盒式保险丝28x小保险丝2x螺栓式保险丝1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide34CJB位置图–手套箱后面保险丝标签–手套箱的背面CJB1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide35CJB位置图1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide36CJB位置图1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide40CJB包括CJB是一个综合的保险丝盒,还集成了BCU提供所有的车身电子功能:中控,警报,前、后雨刮/喷水控制,室内灯,车外灯,(不包括雾灯和刹车灯),发动机防盗继电器-10x集成电路继电器(18针脚)1x小继电器2x微继电器保险丝-66x小保险丝针脚-通过6个插头,227个输入/输出1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide41SRS1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide42L319SRS系统的新特点第二和第三排座椅充气窗帘附加侧面碰撞传感器乘客分级系统(OCS)–只有美规车上装驾驶员座椅位置传感器副驾驶员侧气囊关闭开关(只有非美规车使用)翻滚保护辅助控制模块(RCM)可以重复使用三次新的安全带警示灯1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide43安全带(欧规/世界其它地方)所有的座椅都配有三点式安全带所有的安全带都装有紧急锁止卷收器(ELR)前安全带卡扣上装有开关,用于判断安全带是否系上1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide45前安全带警示前安全带有两个警示:安全带警示灯安全带警示音如果前排座椅人员没有系安全带,就会报警日本市场没有此功能安全带警示策略因市场不同而不同1/24/20202:53PM©LandRover2003.Presenter/FilenameSlide46安全带警示(欧规和世界其它地方)如果前排座椅人员没系安全带,且车速超过5mph(8km/h)时,就会警示警示灯将以2Hz频率闪烁,并伴有相同频率的警示音持续10秒,并以30秒为间隔重复5分钟,或直到安全带被系上10秒之后警示声将暂停,但是警示灯将持继点亮安全带警示音可以通过以下方法关闭:T4点火开关打开后,连续扣紧和松开驾驶员侧安全带扣(大约9次)注意:没有客户的许可,千万不要取消安全带