Payload Control System (PCS) 2.X Caterpillar


MID 074 - CID 0817 - FMI 04

Usage:

972G 1EW
产生此代码的情况:


图 1g01008953



图 2g00589413

有效载荷系统 ECM

(1) 蓄电池盖。

当有效载荷系统 ECM 确定内部蓄电池电源低时,记录该诊断代码。 机器停机时,时间和日期可能丢失。

产生此诊断代码的可能原因如下:

  • 备用蓄电池的电压低。 电压小于 2.5 DCV。

  • ECM 出现故障。

测试步骤 1. 更换内部蓄电池。

  1. 将钥匙起动开关转到接通位置。

  1. 拆下内部蓄电池的盖。

    参考关于更多信息,请参阅测试和调整, "蓄电池(内部备用)- 更换"。

  1. 安装新蓄电池。

  1. 访问显示屏的维修模式。

  1. 滚动到该诊断代码后清除诊断代码。

预期结果:

现在能清除该诊断代码。

结果:

  • 是 - 现在能清除该诊断代码。

    修复: 更换蓄电池时,时间和日期可能丢失。 设定时间和日期。

    停止

  • 否 - 现在不能清除该诊断代码。

    修复: 有效载荷系统的 ECM 不太可能有故障。 再次执行以上步骤。 如果没有找到故障的原因,则需更换 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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