CID 0172 FMI 03 Intake Manifold Air Temp open/short to +batt
产生此代码的情况:
进气温度传感器的信号电压超过 4.9 VDC 持续八秒钟。
系统响应:
电子控制模块（ECM）会记录该诊断代码。 ECM 将进气温度标为无效数据，采用默认温度 85 °C (185 °F)。
- 功率过低
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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