120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System Caterpillar


MID 082 - CID 2161 - FMI 13

Usage:

12M B92
产生此代码的情况:

该诊断代码与铲刀右升起电磁阀有关。 ECM 检测到电磁阀需要进行标定时就会激活诊断代码 FMI 13。

ECM 提供 PWM 信号以便控制电磁阀。 ECM 将更改 PWM 输出信号的电流以便实现电磁阀的比例控制。

注: 进行此步骤之前,确认电磁阀没有其他激活的 CID 2161 诊断代码存在。 如果此电磁阀的其他诊断代码处于现行状态,执行此步骤前务必纠正相关问题。

测试步骤 1. 标定

  1. 执行电磁阀的标定步骤。 关于正确的标定步骤,请参阅本手册的测试和调整, "标定"部分。

预期结果:

成功执行标定步骤。

结果:

  • 是 - 成功执行标定步骤。 使机器恢复正常运转。停止

  • 否 - 标定不成功。

    修复: 重复电磁阀的标定步骤。如果第二次标定步骤失败,则更换电磁阀。 在更换电磁阀后,请参考本手册的测试和调整, "标定"部分以了解正确的标定步骤。 如果更换和校准新电磁阀后问题依然存在,则表明 ECM 可能损坏。更换 ECM 之前,务必先咨询当地代理商的技术通信员征求 Caterpillar 可能的意见。 此咨询可以大大降低维修时间。 如果没有找到该诊断代码的原因,则应更换 ECM。 请参考《测试和调节:, "电子控制模块 (ECM) - 更换"》。

    停止

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