故障现象一辆行驶里程仅为5 923 km的一汽大众迈腾1.8T轿车(装备BYJ发动机),仪表上的多功能显示屏显示驻车制动器故障,同时灯光故障灯和发动机故障灯点亮,更加奇怪的是将点火钥匙从点火开关中拔出后,发动机无法立即熄火,要延时3 s～5 s后发动机才能熄火。故障诊断接车后验证故障现象,上述故障现象的确存在,使用VAS5052A读取网关列表,结果如图1所示。根据网关列表依次读取各个系统的故障代码,结果如图2～图5所 Fault phenomenon A mileage of only 5 923 km FAW-Volkswagen Magotan 1.8T sedan (equipped with BYJ engine), the multi-function display shows the parking brake failure, while the lights fault lights and engine fault lights lit even more strange The ignition key is removed from the ignition switch, the engine can not immediately stall, to delay 3 s ~ 5 s after the engine can be turned off. Fault diagnosis After the car to verify the fault phenomenon, the above symptoms do exist, the use of VAS5052A read the gateway list, the results shown in Figure 1. According to the gateway list in turn read the fault code of each system, the results shown in Figure 2 to Figure 5