C7 and C9 Engines for Caterpillar Built Machines Caterpillar


E162 High Boost Pressure

Usage:

325D L A3R
产生此代码的情况:

电子控制模块 (ECM) 检测到发动机增压压力有故障。 故障诊断与排除 , "事件代码 "中提供有本事件默认设定值与范围的资料。

系统响应:

记录此事件。

可能对性能的影响:

E162(1)

  • 发动机可能出现低功率。

E162(2)

  • 发动机功率将减额。

测试步骤 1. 检查有无"当前"诊断代码。

  1. 启动Caterpillar电子技师(ET)。

  2. 恢复 ECM 的电源。 发动机应处于停机状态。

  3. 检查有无当前或记录的诊断代码。 请至少等待 30 秒钟,以使代码变为激活状态。

预期结果:

没有任何诊断代码。

结果:

  • 与预期结果相符 - 没有任何诊断代码。

    修复: 检查"涡轮机喷嘴环"有无过量积碳。 如有必要,清洁"涡轮机喷嘴环"。

    与操作员交流。 发动机过载可造成增压压力过高。

    如果怀疑有间歇性问题,请参阅 故障诊断与排除 , "电气接头 - 检查"部分的诊断功能测试。

    停止

  • 与预期结果不相符 - 有诊断代码。

    修复: 修正存在的诊断代码。 请参考本手册"对诊断代码进行故障诊断与排除"部分的相应主题。

    确保修正后问题被排除。

    停止

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