天气预报 > 汽车 > 奥迪A4传感器参考电压A过低
奥迪A4传感器参考电压A过低
更新时间: 2021-03-10 02:52:32  

1、传感器参考电压A过低是因为电压为5.03V、T6L/2的电压为39V。同样测量了加速踏板上的各条导线到发动机控制模块导通止常,无搭铁或电源短路现象。

2、P064200故障现象即为发动机无法启动,传感器参考电压A除了向节气门角度传感器和加速踏板位置传感器1供电外,还向发动机转速传感器G28、进气凸轮轴位置传感器G40、燃油油轨压力传感器G247、增压压力传感器G31、进气温度传感器G299供电。分别测量G28/G40/G247/G31/G299的供电,均为5.03V将上述各传感器插头全部断开,节气门和加速踏板位置传感器1的供电依然还是0.29V。

关键词: a4 传感器 参考 电压

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