MID 047 - CID 0190 - FMI 02 Loss of Engine Speed signal
产生此代码的情况:
不能检测到主发动机转速信号。 正时齿轮图形在丢失前的 1 秒内恢复并且蓄电池电压在最后的 2 秒内大于 9 VDC。 只有在发动机已运行 3 秒的情况下才记录此故障。 如果电子控制模块(ECM)持续 1 秒检测到不正确的信号,将激活和记录该故障。 最后两秒内蓄电池电压高于 9 VDC。
系统响应:
将 CID-FMI 记录在存储器内。 如果主发动机转速/正时信号丢失,将采用辅助发动机转速/正时信号。
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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