MID 047 - CID 0342 - FMI 02 Loss of Secondary Engine Speed signal
产生此代码的情况:
不能检测到辅助发动机转速/正时信号。 正时齿轮模式在丢失后的一秒内返回，而蓄电池电压在其余两秒内高于 9 VDC。 如果电子控制模块（ECM）持续 1 秒检测到不正确的信号，该故障将处于激活状态。 最后两秒内蓄电池电压高于 9 VDC。
系统响应:
只有在发动机已运行 3 秒的情况下才记录此故障。
测试步骤 1. 进行以下的诊断步骤: 发动机转速转速]/正时传感器
结果:
- 正常 - 停止
- 经修理后，正常。 - 停止
Caterpillar Information System:
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