电控悬架的检测与诊断.doc

编号 淮安信息职业技术学院 毕业论文 题 目 丰田凌志轿车电控悬架系统的原理与检修 学生姓名 翁新 学 号 院 系 汽车工程系 专 业 汽车检修与维修技术 班 级 820116 指导教师 齐学红 顾问教师  目录 摘要·······································3 Abstract···································4 第一章.电控悬架的概述·······················5 1.电控悬架的功能································5 1.1.车高调整···········································5 1.2.减振阻尼力控制·····································5 1.3.弹簧刚度控制·······································5 2.电控悬架的结构与工作原理······················5 3.电控悬架的类型································7 4..国内外电控悬架的研究·························7 第二章.电控悬架的传感器····················8 1.车身高度传感器······························8 1.1模拟式高度传感器·································9 1.2数字式高度传感器································10 2.方向盘转角传感器···························11 3.车速传感器·································11 4.加速信号···································12 5.车门信号···································12 6.制动信号···································12 7.悬架控制开关·······························12 第三章. 电子控制主动悬架系统的故障诊断与检测13 1. 悬架电子控制系统故障自诊断13 1.1.故障代码的读取方法··············13 1.2.故障码的清除·················13 1.3.故障码····················14 2.电子控制悬架系统故障检修 3电子控制悬架系统指示灯不正常的检查15 4.汽车“后仰”故障检查15 5.汽车“侧倾”故障的诊断 6．汽车“点头”故障的诊断16 7．汽车“高速失控”故障诊断16 8．自动换档时汽车“后仰”故障诊断 总结····································17 参考文献································17 摘要 摘 要 电子技术与汽车技术的结合形成了一门新技术——汽车电子技术，随着汽车电子技术的日趋完善，时至今日，汽车电子化已达到相当高的程度。汽车电子技术已成为一个国家汽车工业发展的标志。本篇论文不仅对应用广泛的电子控制悬架系统的结构、原理进行了系统阐述，而且对其故障类型与产生原因进行分析，同时也对诊断与检测方法、流程也作了详细的介绍。 关键词 ： 电子控制，悬架系统，故障，诊断 Abstract Electronics and automotive technology combine to form a new technology - automotive electronics, automotive electronics technology is maturing, to date, automotive electronics has reached a very high level.Automotive electronics technology has become the symbol of the development of a nationa