故障现象:一辆2008款宝马530i,车型为E60,车辆行驶了50000多千米。客户反映车辆在行车过程中偶尔会出现中央显示器黑屏的现象。出现黑屏时,音频系统没有声音输出,CCC主机的碟机不能进碟,CDC的转换匣能正常的弹出和进入,CON控制器“转不动”。有时黑屏时间很长,如果关闭点火开关后等一会儿,再次打开点火开关,黑屏现象又会消失。客户为此故障已经来店检查过几次。故障诊断:当车辆的故障现象正出现时连接ISID进行诊断测试,测 Symptoms: a 2008 BMW 530i, model E60, vehicles traveling more than 50,000 kilometers. Customers reflect the vehicles in the driving process occasionally appear the phenomenon of black screen central display. When there is a black screen, there is no sound output from the audio system. The CCC console’s drive can not be inserted into the disc. The CDC’s change tray can normally eject and enter. The CON controller can not “turn”. Sometimes a long black screen, if you turn off the ignition switch for a while, turn on the ignition switch again, black screen will disappear. Customers have to check this failure several times. Fault Diagnosis: When the vehicle’s fault phenomenon is occurring, connect the ISID for diagnostic testing, measurement