奇瑞防盗系统维修手册

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1、汽车电子防盗系统防盗系统—维修手册汽车电子防盗系统前言本维修手册概括介绍了上海实业交通电器有限公司开发的汽车电子防盗系统原理、使用说明及故障维修等问题，旨在为客户提供生产现场和售后服务的技术指导。汽车电子防盗系统是具有上世纪九十年代末国际先进水平的一种新型汽车防盗系统，该系统直接针对发动机进行防盗，采用非接触式无线电传感技术进行密码的传输、计算、认证，将钥匙、电子防盗器、发动机控制单元通过完善的防盗策略组成有机的防盗系统，极大提高了汽车防盗的整体安全性。本公司长期从事汽车防盗技术的研发与设计，紧

2、跟当今世界先进技术，已成功开发并生产出多款汽车防盗系统及其配套产品。公司以精益求精为员工的努力目标，顾客满意为公司的服务宗旨，致力于为顾客提供最优质的产品和最完善的服务。注：本维修手册中有关诊断仪部分主要是功能介绍，其显示界面以同济大学生产的诊断仪为例，并非所有厂家诊断仪通用，其它诊断仪请参考生产厂家提供的使用说明书，请用户使用时注意。上海实业交通电器有限公司研究发展中心2006年4月汽车电子防盗系统目录1防盗系统组成·································11.1防盗

3、控制器···································11.2线圈······································11.3转发器·····································11.4外围接线图···································11.5连接插头····································21.5.18芯插头A·························

4、·········21.5.23芯插头B··································21.6防盗系统匹配··································32故障诊断与排除································32.1若不能建立通讯·································32.2若能建立通讯··································42.2.1“钥匙验证”和“电喷验证”中有一项

5、或二项为N·················42.2.2防盗系统故障的排除方法····························42.2.3防盗系统中零件的更换·····························72.3故障特例····································82.3.1无法进入防盗匹配界面/无法输入安全代码·····················82.3.2无法执行“读EMS到防盗器”··························82

6、.3.3无法执行“读防盗器到EMS”··························92.3.4无法学习钥匙·································9附录诊断仪···································10一、诊断仪的界面··································10二、诊断菜单结构··································10三、诊断功能详解······················

7、············12四、诊断示例····································15汽车电子防盗系统1防盗系统组成一套电子防盗系统由一只防盗控制器、一只线圈和两个或三个转发器组成。线圈套在点火锁芯的头上，另一端插接在防盗控制器上；转发器装在钥匙的塑料柄中。1.1防盗控制器防盗控制器主要由微处理器及外围元器件组成，它实现与转发器和发动机管理系统的通讯。防盗控制器通过W线与发动机管理系统进行通讯，而与转发器的通讯则采用无线方式。当用钥匙接通ON端时，如果在规定的时间内

8、对转发器认证成功，就由发动机管理系统释放发动机，使汽车可以启动。防盗控制器的K线可与诊断仪相连，通过诊断仪可对防盗系统进行匹配、状态监控、故障诊断等。1.2线圈线圈安装在点火锁芯上，插头与防盗控制器相连接。线圈产生感应电磁场使控制器和转发器之间进行通讯。1.3转发器转发器安装在钥匙柄中。它不带电源，体积小，使用寿命长。它在电磁场中的受到激励，获得电能并传输信号，与防盗控制器进行通讯。每部车最多可配五个转发器，即五把钥匙。1.4外围接线图LEDON电池正－+A4A1蓄电池点火开关A2地620ΩW线