Workflow工作流程

steps步骤	Description说明
Step 1步骤1	Learn more about the circumstances and environmental conditions when the failure occurred. The following key information will help in making a correct analysis:详细了解故障发生时的有关状况和环境条件。下列关键信息有助于作出正确的分析：
	Vehicle and fault type车辆及故障类型	Vehicle type and drive system.车型、驱动系统。
	when何时	Date, time, weather conditions, frequency of occurrence.日期、时间、天气状况、发生频率。
	Where何地	Road conditions, altitude and traffic conditions.路面状况、海拔高度和交通状况。
	how如何	System symptoms and operating conditions (influence of other components). Repair history and whether additional accessories have been installed since sale.系统症状、运行状况(其他零部件的影响)。维修历史记录和售出后是否安装了其他附件。
Step 2步骤2	Run the system and perform a road test if necessary.运行系统，必要时进行路试。 Confirm the fault parameters.确认故障参数。 If the fault cannot reoccur, refer to "How to Handle Intermittent Failures".如果不能再出现故障，请参考“如何处理间歇性故障”。
Step 3步骤3	Gather appropriate diagnostic materials, including:收集合适的诊断材料，包括： ◊  Power distribution circuit diagram电源分配电路图 ◊  System instructions系统使用说明 ◊  Corresponding chapter in the service manual维修手册中相对应的章节 ◊  Check the maintenance bulletin查阅维修通报 Use the client's narrative and your knowledge to decide where to start.根据客户叙述的情况和你所掌握的知识，判断从哪里着手开始工作。
Step 4步骤4	Inspect the system for tangled wiring, loose connectors, or damaged wiring.检查系统是否有线路缠结、接头松动或线路损坏。 Determine the circuits and components involved in the fault, and perform diagnosis based on the power distribution circuit diagram and wiring harness layout diagram.确定故障涉及的电路和零部件，并根据电源分配电路图和线束布置图进行诊断。
Step 5步骤5	Repair or replace faulty circuits or components.修理或更换故障电路或零部件。
Step 6步骤6	Run the system in all modes. Make sure the system works properly under all conditions. Confirm that no new faults have been caused by carelessness during diagnosis and repair.在所有模式下运行系统。确保系统在所有条件下均能正常工作。确认没有在诊断和维修过程中因粗心而引起新故障。