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行驶里程:120000km。故障现象:该车车主反映说,最近该车出现偶发性的启动机不工作故障,并且最近越来越频繁,几乎每天都会出现几次,一般情况下冷车出现故障的概率要高。故障诊断:按下智能钥匙后,当启动机不工作时,仪表可以正常点亮,只是启动机不工作,同时仪表中央信息屏显示制动系统故障以及多个系统故障。用诊断仪读取故障码,在多个控制单元中可以看到故障码,并且有一个共同的特点,就是发动机控制单元无法通信,而车身防盗控制单元显示系统正常,并且仪表上也没有防盗系统故障灯点亮。当出现故障时,反复多次启动后,发动机可正常着车,最近故障越来越频繁,几乎每天几次。根据以上
Mileage: 120000km. Symptoms: The car owners reflect that the car recently appeared sporadic starter does not work fault, and more and more recently more and more frequently, there will be several times a day, under normal circumstances, the probability of a cold car higher failure. Troubleshooting: After pressing the smart key, when the starter does not work, the instrument can be lit normally, but the starter does not work, while the instrument central information screen shows the brake system failure and multiple system failure. Read the fault code with a diagnostic tool, the fault code can be seen in multiple control units, and there is a common feature is that the engine control unit can not communicate, while the body anti-theft control unit shows the system is normal, and no anti-theft system on the instrument Fault light is on. When a fault occurs, after repeated start-up, the engine can be a normal car, the recent failure is more frequent, almost several times a day. According to the above