奔驰GLC200 行驶中各种仪表 突然报警

• 作 者: 丁玉中
• 出 处: 汽车维修技师
• 发表日期: 2017年08期

车型:配置274发动机。行驶里程:579km。故障现象:客户投诉行驶中各种仪表突然报警,无其他故障现象。故障诊断:接车后,启动发动机,仪表显示车道保持辅助系统停止运作,近光灯报警,发动机报警,灯光常亮且无法远近变光,发动机能顺利启动并且能换挡。如图1所示。接下来连接诊断仪对电控系统进行快速测试,有相关的故障码如图2~图5所示。

Model: Configuration 274 engine. Mileage: 579km. Symptom: a variety of instruments in the customer complaints suddenly alarm, no other symptoms. Troubleshooting: After the car is turned on, the engine is started and the indicator shows that the lane keeping assist system has stopped operating. The low beam alarm, the engine alarm, the light is always on and can not change the light, the engine can start smoothly and can shift gears. As shown in Figure 1. Next, connect the diagnostic instrument to test the electronic control system quickly. The relevant fault codes are shown in Fig.2 ~ Fig.5.