MID 082 - CID 0355 - FMI 13
产生此代码的情况:
该诊断代码与下降电磁阀有关。 当 ECM 检测到需要校准的电磁阀时,诊断代码 FMI 13 被激活。
ECM 提供 PWM 信号以便控制电磁阀。 ECM 控制 PWM 信号的电流大小以便实现电磁阀的比例控制。
注: 进行此步骤之前,确认电磁阀没有其他激活的 CID 0355 诊断代码存在。 如果此电磁阀的其他诊断代码处于现行状态,执行此步骤前务必纠正相关问题。
测试步骤 1. 标定
- 执行电磁阀的标定步骤。 关于正确的校准程序,请参阅本手册的测试和调整, "校准"部分。
预期结果:
成功执行标定步骤。
结果:
- 正常 - 成功执行标定步骤。 恢复机器的正常运转。停止
- 异常 - 标定不成功。
修复: 执行电磁阀的标定步骤。如果第二次标定步骤失败,则更换电磁阀。 更换电磁阀后,请参阅本手册的测试和调整, "标定"章节,了解正确的标定步骤。 如果更换和校准新电磁阀后问题依然存在,则表明 ECM 可能损坏。更换 ECM 之前,请务必联系您的代理商的技术通信员征求 Caterpillar 可行的意见。 此咨询可能影响修理时间。 如果没有找到该诊断代码的原因,则应更换 ECM。 请参考测试和调节, "电子控制模块(ECM)- 更换"。
停止
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