Intake Manifold Air Pressure Is High
使用本步骤诊断和排除进气歧管空气温度高故障,或者在下列任一事件代码为激活状态时使用本步骤。 请参阅故障诊断与排除, "诊断故障代码"以了解有关诊断代码的信息。 必须进入 Caterpillar 电子技师(ET)上的发动机监控系统才能查看这些代码的当前触发点。 关于发动机监控系统的信息,请参阅故障诊断与排除, "发动机监控参数"。
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发动机事件     | ||
J1939 代码和说明     | 产生此代码的状况     | 系统响应     |
3563-0 发动机进气歧管 #1 绝对压力:高 - 最严重(3)     | 进气岐管空气压力高于触发点已达到编程的延迟时间。     | 记录该代码。 红色停机灯点亮。 发动机停机。     |
3563-15 发动机进气歧管 #1 绝对压力:高 - 最轻微(1)     | 记录该代码。 黄色报警指示灯会点亮。 |
可能原因
- 诊断代码
- 排气阻力
建议的措施
诊断代码
使用 Cat ET 检查有无现行或记录的诊断代码。 在继续执行本步骤之前,诊断并排除所有现行代码。
排气阻力
- 检查排气系统有无阻塞和/或漏气。 有关详细信息,请参阅测试和调整。
Caterpillar Information System:
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