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12.车速传感器的检测 车速传感器装在变速驱动桥上,包括一个可以向车速表提供车速信号的脉冲发生器,再向ECM发送信号。 (1).检查全面功能 ①.关闭点火开关,支起车辆,使发动机怠速运转; ②.使用示波器查看ECM端子86与
12. SPEED SENSOR DETECTION The vehicle speed sensor is mounted on a transaxle and includes a pulse generator that provides a speed signal to the speedometer and sends a signal to the ECM. (1) Check the overall function ①. Turn off the ignition switch, support the vehicle, the engine idling; ②. Use the oscilloscope to view the ECM terminal 86 and