980H Wheel Loader Electrohydraulic System Caterpillar


MID 082 - CID 0350 - FMI 13

Usage:

980H A8J
产生此代码的情况:

ECM 记录来自提升连杆旋转位置传感器的信号超出标定时,会记录该诊断代码。 旋转位置传感器是脉冲宽度调制(PWM)传感器。

产生此诊断代码的可能原因如下:

  • 已安装新软件,传感器尚未示定。

  • 位置传感器高于或低于标定范围持续超过三秒钟。

系统响应:

机器响应如下所示:

  • 机具特性不工作。

  • 倾斜连杆标定程序无法正常工作。

  • 倾斜油缸刹车可能无法正常工作。

  • 机具阀标定程序可能没有正常工作。

注: 确保诊断代码和诊断代码指示灯都处于激活状态。

测试步骤 1. 检查标定

  1. 标定提升连杆位置传感器。 请参见测试和调整, "提升和倾斜连杆位置传感器(电子技师)- 标定"或测试和调整, "提升连杆位置传感器(操作员监控器)- 标定"。

  1. 确保该诊断代码处于激活状态。

  1. 随着提升臂完全升高和完全降下,观察诊断代码指示器的接通 / 断开状态。

预期结果:

诊断代码指示灯处于非激活状态。

结果:

  • 是 - 诊断代码指示灯处于非激活状态。

    修复: 此时诊断代码处于非激活状态。 标定可将诊断代码排除。 清除诊断代码。

    停止

  • 否 - 诊断代码指示灯处于激活状态。

    修复: 该诊断代码仍处于激活状态。 ECM 不太可能会出现故障。 请重新执行旋转位置传感器标定。 还要确保该诊断代码的诊断代码指示灯激活。 如果没有找到原因,则应更换传感器并重新执行标定。 如果这样做没有清除诊断代码,则需更换 ECM。 如果诊断代码变为激活状态,则传感器安装件有可能松动。 应检查支架。 请参阅 测试和调整, "电子控制模块 (ECM) - 更换"。

    停止

Caterpillar Information System:

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