目录-摘要1.大众朗逸空调系统不制冷故障诊断流程...................................51.1接车......................................................................................51.2故障描述..............................................................................71.3汽车入场维修流程................................................................81.4分析故障原因.......................................................................82.空调不制冷，故障诊断与处理.................................................92.1空调系统诊断流程图..............................................................92.2维修工具.............................................................................102.3故障原因分析.......................................................................112.4故障检查..............................................................................162.5故障排除..............................................................................162.6交车..................................................................................172.7跟踪调查..............................................................................173.汽车空调系统的发展..............................................................194.汽车空调系统的组成............................................................204.1汽车空调系统工作原理.........................................................204.2压缩机工作原理...................................................................214.3冷凝器工作原理...................................................................224.4膨胀阀工作原理...................................................................234.5蒸发器工作原理...................................................................245.空调系统常见故障及其原因....................................................256.空调系统构造图与空调系统常见故障......................................26总结...........................................................................................27致谢...........................................................................................28参考文献................................................................