0022-11 Primary to Secondary Engine Speed Signal Calibration (42)
产生此代码的情况:
发动机控制模块 (ECM) 检测到以下情况：
- 主转速/正时传感器和辅助转速/正时传感器偏离超过三度。
- 已成功完成正时标定。
- 蓄电池电压高于 9 伏。
系统响应:
使用缺省正时。 该代码只是激活状态。 此代码将不会被记录。 该代码为激活状态的同时，检查发动机指示灯亮起。
当此代码为激活状态时，发动机可能会运行不平稳。
测试步骤 1. 发动机转速/正时传感器
- 检查发动机转速/正时传感器的安装是否正确。 发动机转速/正时传感器不能相互调换。
- 确认传感器导线的连接是否正确。 正确接线参见电气示意图。 确保 ECM 正极端子连接在发动机转速/正时传感器的正极端子上。 此外，还应确保 ECM 负极端子连接在发动机转速/正时传感器的负极端子上。
预期结果:
发动机转速/正时传感器的安装正确。 而且，传感器导线的连接正确。
结果:
- 正常 - 发动机转速/正时传感器的安装正确。 而且，传感器导线的连接正确。
修复: 请参阅故障诊断与排除, "发动机转速/正时传感器电路 - 测试"。
停止
- 异常 - 发动机转速/正时传感器的安装或接线有问题。
修复: 正确安装传感器或修理线路。运转发动机，直到发动机达到正常工作温度。核实修理后故障排除。
停止
Caterpillar Information System:
Additional Information for the Customer Communication Module (CCM) that Is Used on Series 3500 and Series 3600 Gas Applications{1926} Additional Information for the Customer Communication Module (CCM) that Is Used on Series 3500 and Series 3600 Gas Applications{1926}
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