一辆日产蓝鸟牌轿车,在点火开关置于ON而不打开转向开关时,可听到转向闪光器有节奏的动作声,其动作频率比正常闪烁频率快一倍,但此时观察左右转向信号灯及仪表板上的转向指示灯都不亮。当打开转向开关时,左右转向信号灯都正常,打开报警灯开关时也正常, A Nissan Bluebird sedan, the ignition switch is set to ON without turning the steering switch, you can hear the steering flashing rhythm sound, the frequency of its movement than normal flashing frequency twice as fast, but this time around the turn to observe Signal lights and dashboard turn lights are not bright. When turning on the switch, the left and right turn signals are normal, open the alarm light switch is also normal,