MID 018 - CID 0552 - FMI 11 Engine Speed present during an O2 calibration
产生此代码的情况:
发生下列任一状况:
- 发动机运转时,请求进行氧气标定。
- 在氧气标定进行过程中对发动机进行了起动盘机。
- 氧气标定过程中,转速传感器信号线存在电气噪声。
- 转速传感器电路出故障。
- 氧气标定开关电路出故障。
系统响应:
如果氧气传感器正被标定,标定将被终止。 现有的标定数值将保持不变。
该诊断代码可以在数字诊断工具(DDT)、发动机控制模块(ECM)或卡特彼勒电子技师(Cat ET)上查看到。
如果需要进行的氧气标定没有完成,发动机性能和排放将会受到影响。
测试步骤 1. 进行以下的诊断步骤: 氧气传感器信号
结果:
- OK - 停止
Caterpillar Information System:
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