CID 0174 FMI 03
产生此代码的情况:
电子控制模块（ECM）检测到冷却液温度传感器的信号电压高于正常值。
系统响应:
代码将被记录，并且控制面板显示屏会显示警告信息。 ECM 将燃油温度标为无效数据，并使用默认值 50 °C (122 °F)。
- 功率过低
诊断代码指示器冷却液温度传感器电路有故障。 很可能是断路故障。
测试步骤 1. 进行以下的诊断步骤: 发动机温度传感器开路或短路 - 测试
结果:
- 正常 - 停止
Caterpillar Information System:
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