目录前言................................................................................................................................11故障现象..................................................................................................................21.1问诊.................................................................................................................21.2试车.................................................................................................................32雾灯系统概述..........................................................................................................32.1汽车雾灯系统的功用.....................................................................................32.2汽车雾灯系统的分类.....................................................................................42.3汽车雾灯系统的组成.....................................................................................53雾灯不亮故障诊断流程............................................................................................73.1故障可能原因分析.........................................................................................73.2故障诊断流程图.............................................................................................83.3检查步骤.........................................................................................................84丰田威驰左前雾灯不亮故障排除流程................................................................104.1准备工作.......................................................................................................104.2拆卸步骤.......................................................................................................104.3安装步骤........................................................................................................105毕业设计总结........................................................................................................106致谢..................................................................................................................