834H Wheel Dozer and 836H Landfill Compactor Electrohydraulic System Caterpillar


MID 082 - CID 0352 - FMI 13

Usage:

834H BTX
产生此代码的情况:

该诊断代码与位置传感器(提升杆)有关。 FMI 13 表示 ECM 已确定传感器的信号不在预期限定范围内。

可能由于下列原因产生该诊断代码:

  • 传感器需要标定。

  • 传感器需要调整。

  • ECM 闪存了新软件。

  • 传感器出故障。

  • ECM 出现故障。

注: 如果任何情况将引起与该传感器有关的其它已激活诊断代码,请确保您已排除了这些情况。 例如,当 CID 0352 FMI 13 处于激活状态时,CID 0352 FMI 03 或 FMI 04 将处于非激活状态。 如果其它诊断代码处于激活状态,请首先排除这些诊断代码。 然后执行本步骤。

注: 执行本程序之前,请确保诊断代码 CID 0352 FMI 13 为激活状态。

系统响应:

机器响应如下所示:

  • 铲斗浮动将不启动。

  • 铲刀限位功能将不能通过操纵手柄启动。

  • 提升功能内死区过大。

测试步骤 1. 检查校准

  1. 执行必要的调整和校准程序。 关于这些程序,请参阅维修手册的测试和调整章节。

  1. 观测 CID 0352 FMI 13 的状态。

预期结果:

CID 0352 FMI 13 为未激活状态。

结果:

  • 正常 - CID 0352 FMI 13 为未激活状态。 校准纠正了导致 CID 0352 FMI 13 产生的情况。 恢复正常运转。停止

  • 不正常 - CID 0352 FMI 13 仍为激活状态。

    修复: 诊断代码仍为现行状态。 确认已将正确的软件闪存到了 ECM,或者在机器上安装了正确的 ECM。 然后重复校准。如果诊断代码仍旧存在并且未找到诊断代码的原因,则 ECM 可能出现故障。 ECM 不太可能会出现故障。 先退出此步骤,然后重新执行此步骤。 如果没有找到该诊断代码的原因,则应更换 ECM。 请参阅 测试和调整, "电子控制模块 (ECM) - 更换"。

    停止

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