丰田卡罗拉轿车电子节气门故障诊断分析

传统发动机节气门开度是通过油门踏板到节气门之间的钢丝拉线来控制节气门开度的,而电子节气门控制系统(Electronic Throttle Control简称ETC)是发动机电子控制单元(ECU)采集加速踏板位置传感器信号和节气门位置传感器信号,控制节气门电机旋转,使节气门打开或关闭,提高了汽车的加速性和环保性能等,该系统有故障时,真正元器件损坏可能较小,主要应检查相关线路和清洗节气门体。

Toyota Corolla sedan electronic throttle fault diagnosis

Traditional engine throttle wire PULL between the accelerator pedal to the throttle to control the throttle, electronic throttle control system （Electronic Throttle Control ＂ETC） is the engine electronic control unit （ECU） to collect the accelerator pedalposition sensor signal and the throttle position sensor signal, the throttle control motor rotation, the throttle open or close, to improve the car＇s acceleration and environmental performance, the system is faulty, the real component damage may be relatively small, the main should be checkedlines and cleaning the throttle body.