793F and 797F Off-Highway Trucks Power Train Electronic Control System Caterpillar


MID 081 - CID 1407 - FMI 11

Usage:

793F D3T
产生此代码的情况:


图 1g01818859

"T/C 锁定电磁阀"(低范围)示意图

该诊断代码与 "T/C 锁定电磁阀"(低范围)有关。 当变速箱电子控制模块(ECM)识别出单个故障有多个故障模式标识符(FMI),或 FMI 不适用于任何其他类别时,记录该诊断代码。

该诊断代码的可能原因列出如下:

  • ECM 可能有内部故障。

系统响应:

诊断代码处于激活状态时,"变速箱故障报警指示灯"将闪烁。 同时,行动灯闪烁,行动报警器鸣响。 变速箱将换到空档,停车制动器将在 5 秒后使用。

Caterpillar 电子技师(ET)将无法控制电磁阀。 ET 读取的电磁阀电路电压将低于正常值,这说明电路开路。 ET 将不能使电磁阀通电。

参考有关跛行回家模式的信息,请参阅系统操作、故障诊断与排除、测试和调整, "变速箱电磁阀故障"。

测试步骤 1. 检查 ECM

  1. 将钥匙起动开关和蓄电池断路开关转到断开位置。

  1. 等待 30 秒钟。

  1. 将蓄电池断路开关转到接通位置。

  1. 将钥匙起动开关转到接通位置。

  1. 在进行下一步前,可充分进行自测试。

  1. 检查有无激活的诊断代码。

预期结果:

CID 1407 FMI 11 诊断代码不再处于激活状态。

结果:

  • 是 - CID 1407 FMI 11 诊断代码不再处于激活状态。 重置 ECM 已排除诊断代码。停止

  • 否 - 诊断代码 CID 1407 FMI 11 仍为激活状态。 ECM 出现故障。

    修复: ECM 不太可能会出现故障。 先退出此步骤,然后重新执行此步骤。 如果没有找到该诊断代码的原因,则应更换 ECM。 请参阅系统操作、故障诊断与排除、测试和调整, "电子控制模块(ECM)- 更换"。

    停止

Caterpillar Information System:

2009/04/13 A New Alternator Support Assembly Is Now Available for Industrial Engines {1154, 1405}
793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1407 - FMI 06
793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1407 - FMI 05
793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1407 - FMI 03
2009/02/23 A New Engine Arrangement Is Now Used on C32 Electric Power Generation 50 Hz Engines {1000}
793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1406 - FMI 11
793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1406 - FMI 06
793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1406 - FMI 05
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793F CMD Off-Highway Truck (Command for Hauling) Power Train Electronic Control System MID 081 - CID 1405 - FMI 11
793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1405 - FMI 06
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793F and 797F Off-Highway Trucks Power Train Electronic Control System MID 081 - CID 1428 - FMI 04
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