3054E and 3056E Industrial Engines and Engines for Caterpillar Built Machines Caterpillar


CID 1684 FMI 09

Usage:

3054E 304
产生此代码的情况:

此代码是由喷油泵生成。

喷油泵检测以下状态之一:

  • CAN A 数据链路的故障

  • 电子控制模块 (ECM) 发送不正确的数据。

  • 喷油泵发送不正确的数据。

ECM 将会记录此诊断代码。 该诊断代码可在电子维修工具上查看。

系统响应:

ECM 将导致喷油泵停止喷油。

ECM 将导致以下状况:

  • 发动机将停机。

  • 发动机将无法起动。

需要进一步的故障诊断与排除。

测试步骤 1.

测试 CAN 数据链路的电路。 请参阅故障诊断与排除, "CAN 数据链路电路 - 测试"。

预期结果:

如果消除了故障,则停止。

如果故障仍然激活,连接测试 ECM,以便将原有 ECM 作为故障根源排除。 请参阅故障诊断与排除, "更换 ECM"。

注: 测试 ECM 的参数必须与可疑 ECM 的参数匹配。 如果测试ECM将故障排除,应重新装回疑有问题的ECM。 确认故障重现。 如果故障重现,更换可疑 ECM。

如果消除了故障,则停止。

如果故障仍然激活,请在更换喷油泵前联系 Caterpillar 代理商解决方案网络。 如果事先不咨询就更换喷油泵,则将影响其保修。

更换喷油泵。 请参阅拆解和装配, "喷油泵 - 拆卸"和拆解和装配, "喷油泵 - 安装"。

确认故障已消除。

结果:

  • 确定 - 停止

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