1.用金扳手A60N诊断仪检测,有传感器供电模块1故障,该故障为当前故障无法清除;
2.根据维修经验,用金扳手A60N诊断仪读取了车辆数据流,进行分析,发动机EDC7UC1供电模块1输出5V电源,所对应的传感器为机油压力温度传感器、进气温度压力传感器;
动车辆读取数据流判断,机油压力及进气压力温度传感器的信号电压不正常,A-V-L GK熄火断电拔掉进气压力机
机油压力温度传感器线束接头上点测量,电压均为5V电压,电压正常。
3.此时可以排除ECU及线束故障,基本断定为某一个传感器本身损坏所致,通过对传感器线束交替断开测量

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