988H Wheel Loader Power Train Caterpillar


MID 081 - CID 0590 - FMI 12

Usage:

988H A7A
产生此代码的情况:

当动力传动系 ECM 不能与电子控制模块(发动机)正常通信时,记录该诊断代码。 电子控制模块(发动机)和动力传动系 ECM 通过 Cat 数据链路通信。

可能产生此诊断代码的原因如下:

  • 电子控制模块(发动机)或动力传动系 ECM 安装了不正确的软件或硬件。

注: 确保诊断代码指示灯和诊断代码都处于激活状态。

测试步骤 1. 确认硬件和软件的零件号。

  1. 确认下列信息正确:

    • 电子控制模块(发动机)闪存软件的零件号

    • 动力传动系 ECM 闪存软件的零件号

    • 电子控制模块(发动机)的零件号

    • 动力传动系 ECM 的零件号

    注: 咨询当地 Caterpillar 经销商,了解闪存软件的正确零件号。

预期结果:

所有零件号都正确。

结果:

  • 正常 - 所有零件号都正确。 CID 0590 FMI 12 为激活状态。 没有排除该故障。 ECM 的软件可能损坏。

    修复: 用正确的软件重新闪存编程 ECM。 更多资料,请参阅测试和调整, "ECM(Electronic Control Module,电子控制模块)- 闪存编程" 一节。

    停止

  • 不正常 - 部分零件号不正确。

    修复: 安装的电子控制模块(发动机)或动力传动系 ECM 的零件号错误,或者安装的闪存软件不正确。 用零件号正确的模块更换不正确的电子控制模块(发动机)或动力传动系 ECM。 闪存编程正确的软件。 更多资料,请参阅测试和调整, "ECM(Electronic Control Module,电子控制模块)- 闪存编程" 一节。

    停止

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