789D, 793F, and 797F Off-Highway Truck Monitoring System Caterpillar


Module - Replace

Usage:

793F D3T
在更换模块之前,确保更换完全必要。 诊断代码很少是由模块引起的。 一定确保机器代码对机器来说是正确的。 同时确保主显示模块接上电源。 主显示模块的接头触点 1 和 2 之间要求有系统电压。

步骤

  1. 更换模块。

    1. 将钥匙起动开关转到断开位置。

    1. 从操纵手柄上断开机器线束。

    1. 确保用来更换旧模块的模块具有正确的零件号码。

    1. 安装新模块。

      注: 如果先前的维修中拆下了代替旧模块的主显示模块,请参阅测试和调整, "主显示模块初始化 - 调整"。

    1. 将机器线束与 ECM 相连。 在如此装配的机器上,确保线束代码插头被安装。

    1. 将断路开关和钥匙起动开关转到接通位置。 确保模块成功完成自测:请参阅本手册的测试和调整, "自测"部分。

      预期结果

      模块已被成功更换,并已完成自检。

      结果

      - 模块的更换成功。 自测已成功完成。 转至步骤 2。

      - 模块已成功更换。 自测未成功完成。 确保极性正确。 确保安装正确,无相关诊断代码出现。

      停机 -

  1. 设置

    1. 设置任选显示模块。 请参阅本手册的系统操作, "设定菜单"。

注: 模块成功更换后,请参阅测试和调整, RENR8284, "电子控制模块(ECM)- 闪存编程"。

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