C4.4 and C6.6 Engines for Caterpillar Built Machines Caterpillar


Injector Trim File

Usage:

CS-56B 437
电子维修工具用来向电子控制模块(ECM)中加载喷油器调整文件。

如果发生下述任何情况,必须向 ECM 中加载喷油器调整文件:

  • 更换了电子单体喷油器。

  • 更换 ECM。

  • 诊断代码 0268-02 激活。

  • 气缸间互换了电子单体喷油器。

互换电子单体喷油器

互换电子单体喷油器有助于确定电子单体喷油器或气缸中是否存在燃烧问题。 如果两个气缸间互换了发动机内当前所安装的两个电子单体喷油器,则也可以互换喷油器调整文件。 按下电子维修工具"喷油器调整标定"屏幕底部的"互换"按钮。 选择需要互换的两只电子单体喷油器,然后按 "OK(确定)"按钮。 被互换电子单体喷油器的修改次数会增加一次。

    注: 电子单体喷油器的序列号和电子单体喷油器的确认代码位于电子单体喷油器上。

  1. 记录每个电子单体喷油器的序列号和确认代码。

  2. 通过以下方法之一获得喷油器调整文件:

    • 选择 SIS 网站上的 "Service Software Files(维修软件文件)"。

    • 采用随替代电子单体喷油器一起提供的光盘。

  3. 在搜索区域内输入电子单体喷油器的序列号。

  4. 将喷油器调整文件下载到 PC 上。 根据要求,对每个电子单体喷油器重复此程序。

  5. 将电子维修工具连接到诊断接头上。 参考故障排除, "电子维修工具"。

  6. 把钥匙开关转到接通位置。

  7. 请选择电子维修工具的下列菜单选项:

    • 维修

    • 标定

    • 喷油器调整标定

  8. 选择适当的气缸。

  9. 点击 "Change(更改)"按钮。

  10. 从 PC 上选择适当的喷油器调整文件。

  11. 点击 "Open(打开)"按钮。

  12. 按电子维修工具的提示,在此区域内输入电子单体喷油器的确认代码。

  13. 点击 "OK(确定)"按钮。

    喷油器调整文件被加载到 ECM 中。

  14. 根据需要,对各气缸重复本程序。

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