AP1000E, AP1055E, BG1000E and BG1055E Asphalt Pavers Caterpillar


MID 156 - CID 0168 - FMI 03

Usage:

AP-1000E DKH
产生此代码的情况:


图 1g02163762

到左侧操作员 ECM 的电气系统电压电源

左侧操作员 ECM 读取到系统电压高于 32 DCV 时,会记录该诊断代码。

注: 左侧操作员 ECM 位于左侧操作员平台下方。

产生此诊断代码的可能原因如下:

  • 充电系统部件出故障。

  • 机器线束中的导线存在故障。

  • ECM 出现故障。 这种情况不太可能。

系统响应:

连接到控制器的部件不会记录故障。

测试步骤 1. 检查充电系统。

  1. 将断路开关和钥匙起动开关转到接通位置。

  1. 保留 CID 0168 FMI 03。

  1. 查看该诊断代码的状态。

预期结果:

该诊断代码应不再为激活状态。

结果:

  • 是 - 该诊断代码应不再为激活状态。 转至测试步骤 2。

  • 否 - 该诊断代码仍处于现行状态。 转至测试步骤 3。

测试步骤 2. 再次检查充电系统。

  1. 起动发动机。

  1. 保留 CID 0168 FMI 03。

  1. 查看该诊断代码的状态。

预期结果:

该诊断代码应不再为激活状态。

结果:

  • 是 - 该诊断代码应不再为激活状态。 观察是否重新出现。停止

  • 否 - 诊断代码处于激活状态。 充电系统当前的充电电压过高。

    修复: 检查充电系统。 更多信息请参阅专门说明书, REHS0354, "充电系统故障诊断和排除"。

    停止

测试步骤 3. 检查蓄电池电压。

  1. 应不运转发动机。

  1. 在蓄电池上测量蓄电池电压。

预期结果:

电压测量值应低于 32 DCV。

结果:

  • 是 - 电压测量值低于 32 DCV。 ECM 必须错误记录该诊断代码。 ECM 可能出现故障。

    修复: ECM 不太可能有故障。 先退出此步骤,然后重新执行此步骤。 如果没有找到故障的起因,请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。 如果需要更换 ECM,请参考故障诊断与排除, "电子控制模块 (ECM) - 更换"。

    停止

  • 否 - 电压测量值高于 32 DCV。 充电系统当前的充电电压过高。

    修复: 检查充电系统。

    停止

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