Payload Control System (PCS) 2.X Caterpillar


MID 074 - CID 0254 - FMI 13

Usage:

972G 1EW
产生此代码的情况:


图 1g01008852

故障诊断与排除表

当有效载荷系统 ECM 确定 ECM 从未经过标定时,记录该诊断代码。

产生此诊断代码的可能原因如下:

  • ECM 从未经过标定。

  • ECM 失去了机器设置方面的全部永久性信息。

测试步骤 1. 重新标定系统

  1. 重新标定系统。

    参考请参阅系统操作, "标定"。

  1. 清除存储器中的诊断代码。

    参考请参阅故障诊断与排除, "利用维修显示模式确定诊断代码"。

预期结果:

有效载荷系统功能正常。

结果:

  • 是 - 有效载荷系统功能正常。停止

  • 否 - 有效载荷系统功能异常。

    修复: ECM 不太可能会出现故障。 再次执行以上步骤。 如果未找到故障根源,则更换有效载荷系统 ECM。 请参阅测试和调整, "有效载荷电子控制模块 - 更换"。

    停止

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