故障现象一辆荣威750轿车(新车),在将点火钥匙取出后刮水器电动机会以低速挡自动工作(图1),仪表上的行驶里程有显示(图2),灯光模块指示灯和仪表的背景灯点亮(图3),将车门关上后,不能用遥控器锁车门,后部的制动灯有时会自动点亮,有时 Fault phenomenon A Roewe 750 sedan (new car), remove the ignition key after the wiper motor will automatically work at low speed gear (Figure 1), the mileage on the instrument display (Figure 2), light module indicator and meter Of the background light (Figure 3), the door closed, the door can not be locked with the remote control, the rear of the brake light sometimes automatically lit, sometimes