966K XE Wheel Loader Power Train Caterpillar


Electronic Control Module (ECM) - Replace

Usage:

966K XE NGX
在更换 ECM 之前,确保更换是必要的操作。 ECM 不太可能是故障的原因。 务必检查并确认已向 ECM 供电。 要求机器线束的 J1-1 与 J1-2 之间有蓄电池电压。 检查接头有无损坏。

确保所有更换用 ECM 的零件号正确。 该步骤非常重要,因为该 ECM 有多种应用。

步骤

  1. 将钥匙起动开关转到断开位置。 将断路开关转到断开位置。

  1. 从 ECM 上断开机器线束接头 J1 和 J1。

  1. 从机器上拆下 ECM。

  1. 确保用来更换的 ECM 的零件号正确。

  1. 安装更换的ECM。

  1. 将机器线束与 ECM 相连。

  1. 将断路开关和钥匙起动开关转到接通位置。 确保 ECM 成功完成起动检查。

  1. 确定更换用 ECM 是否已编程。 将 Caterpillar 电子技师(Cat ET)连接到机器的维修工具接头上。

如果 ECM 未编程,Cat ET 将指示该问题。 未编程的 ECM 使用之前必须先进行编程。 使用 Cat ET 闪存 ECM。

如果 ECM 已编程,Cat ET 可提供对 ECM 所需区域的访问。

用 Cat ET 选择 "Service(维修)"菜单项。 选择"Configuration(配置)"功能。 将出现一个项目列表。 选择正确的项,然后编程写入正确的信息。 该信息可从旧 ECM 或者您的代理商处获取。

执行标定步骤。 有关所需标定,请参考测试和调整, "标定"。

Caterpillar Information System:

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