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


CID 0774 FMI 02

Usage:

3054E 304
产生此代码的情况:

电子控制模块 (ECM) 检测未定义的油门开关的位置。

系统响应:

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。

当诊断代码激活时,ECM 将发动机恢复为低怠速转速或安全转速。

发动机转速默认为低怠速或预定义的安全转速。

诊断代码保持激活时,发动机将保持在此转速。

发动机当前转速确定速度降低量。

检测到故障,而且发动机高于预定义安全转速时,发动机转速将降低至安全转速。

检测到故障,而且发动机低于预定义安全转速时,发动机转速将与安全转速相匹配。

在清除故障之前,ECM 忽略油门输入。

在将钥匙开关转至 断开 位置,然后在返回至 接通 位置之前,ECM 也会忽略油门输入。

发动机将默认为故障缓行回程模式。

排除故障前,发动机将只使用主油门。

测试步骤 1. 进行以下的诊断步骤: 油门开关电路 - 测试

结果:

  • 确定 - 停止

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