C4.4 and C6.6 Engines for Caterpillar Built Machines Caterpillar


CID 1834 FMI 02

Usage:

559 559
产生此代码的情况:

电子控制模块(ECM)可检测以下状况:

由于钥匙开关在最后一秒内至少循环通电和断电三次,因此钥匙开关的信号不稳定。

注: 钥匙开关快速循环通电和断电可能导致产生此类代码。 车上有些控制模块需要进行此操作,以触发闪存代码。 如果这种情况发生,应清除记录的诊断代码以防将来引起混淆或做出不正确的诊断。

系统响应:

ECM 将记录诊断代码,并且在此诊断代码激活的同时,控制面板显示屏上会出现一个警告。 ECM 将停止向喷油器电磁阀供电,并且发动机停机。

发动机将停机。

测试步骤 1. 进行以下的诊断步骤: 点火钥匙开关电路和蓄电池供电电路 - 测试

结果:

  • 正常 - 停止

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