汽车故障原因推测策略案例研究

人工直观经验法的关键点是准确找出故障的症状,再根据症状推测故障原因。故障原因推测得越准确、越具体,解决故障的效率与正确率越高。维修技师在推测故障原因时,应结合工作原理分析故障原因,全面细致地重现和观察故障现象,合理利用检测设备凸显故障现象,巧用共用元件、线路缩小故障范围,同时关注车辆历史维修记录或改装记录,避免诊断盲点。

Case Studies on the Reasoning Strategy of Automobile Fault Cause

The key point of artificial experience method is to accurately find out the failure symptom then diagnose the cause. Therefore, the efficiency and accuracy of troubleshooting will be higher with the diagnosis accuracy improvement. Repair technician should analyze the fault cause combining with the basic operation principle of the automobile, comprehensively and carefully reproduce and observe the trouble phenomenon, reasonably use diagnostic equipment to highlight the trouble phenomenon, use common components and circuits effectively to narrow the malfunction range, and pay attention to the historical maintenance record or refitting record of the vehicle in order to avoid the blind point.