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奇瑞汽车ABS系统的结构与故障分析
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奇瑞轿车ABS系统的结构与故障分析
摘要: 本文主要介绍了奇瑞轿车防抱死制动系统的组成：由前后四个车轮速度传感器、ABS ECU、ABS执行器、ABS继电器、ABS指示灯等组成和工作原理，各组成部分的结构和工作原理，以及各种常见故障的检测方法。同时也简单介绍了一下ABS的发展历程。最后是自己在学习中体会到的一些心得。
关键词: 滑移率 ABS的组成 工作原理 故障检测
目 录
1.毕业实践任务书--------------------------------------------------------------Ⅰ
2.论文-----------------------------------------------------------------------------Ⅱ
第一章ABS的发展历程和功用·······························································( 1 )
第二章奇瑞轿车ABS系统的结构和工作原理··········································( 1 )
第一节 车轮速度传感器··································································· ( 1 )
第二节 ABS执行器（液压控制单元）··················································( 3 )
第三节 ABS ECU······················································· ························ ( 3 )
第四节 ABS指示灯··········································································· ( 3 )
第五节电路图··················································································· ( 4 )
第六节 工作原理·············································································· ( 7 )第三章 奇瑞轿车代码故障的诊断·························································( 7 )
第一节 奇瑞轿车防抱死制动系统故障的自诊断································( 7 )
第二节 车轮速度传感器断路故障的诊············································( 12 )
第三节 ABS ECU电源供应不良故障的诊断······································ ( 13 )
第四节 车轮速度传感器短路故障的诊断········································ ( 13 )
第五节 车轮速度传感器转子之间气隙过大故障的诊断·················· ( 14 )
第六节 制动灯电路故障的诊断······················································ ( 15 )
第七节 车轮速度传感器输入信号电路故障的诊断························· ( 15 )
第八节 电磁阀电路故障的诊断······················································ ( 16 )
第九节 电磁阀继电器经常处在断开位置故障的诊断·······················( 16 )
第十节 电磁阀继电器经常处在接通位置的故障的分析·················· ( 17 )
第十一节 液压泵电动机继电器经常处在断开位置故障诊断············ ( 17)
第十二节 液压泵电动机继电器经常处在接通位置故障诊断···········（18 ）
第四章 奇瑞轿车ABS系统部件的试验················································ ( 19 )
第一节 液压控制单元继电器的试验······· ······· ······· ··· ······· ··········· ( 19 )
第二节 液压控制单元继电器阀的试验························· ················· ( 19 )
第三节 车轮速度传感器的试验························ ······························ ( 19)
第五章 奇瑞轿车ABS系统部件的拆卸和安装····································· ( 21 )
3.总结··································································································（22）
4.致谢··································································································（23）
5.参考文献···························································································（24）
6.外文翻译··············································· ············································ III
参考文献:
《轿车专业维修丛书》 徐淼 北京－机械工业出版社 2003.5
《奇瑞汽车实用手册》 李春明 赵宇 北京－北京理工大学出版社 2003.4
《旗云CVT维修手册》
