C9 Marine Engines Caterpillar

Diagnostic Flash Code Retrieval

Usage:

C9 C9B

"诊断"灯

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表 1
	诊断闪烁代码或C9 船用发动机性能的关系
诊断闪烁代码		对发动机性能的影响			建议操作员采取的措施
诊断闪烁代码		发动机缺火	功率低	发动机转速降低	使发动机停机⁽¹⁾	立即维修⁽²⁾	必须定期维修。⁽³⁾
13	燃油温度传感器故障						X
14	喷油启动压力控制阀	X	X	X	X
21	传感器供电电压故障.		X				X
23	发动机机油温度故障	X⁽⁴⁾					X
24	油压传感器						X
25	进气歧管空气压力传感器故障		X				X
27	冷却液温度传感器						X
28	油门传感器校准⁽⁵⁾			X		X	X
32	油门位置传感器故障⁽⁵⁾			X		X
34	发动机转速传感器故障	X		X	X⁽⁶⁾	X
35	发动机超速警告			X			X
36	发动机意外停机					X
37	燃油压力传感器故障						X
38	进气歧管温度传感器故障						X
42	检查正时传感器的标定		X				X
43	喷油启动压力传感器	X	X		X
46	低油压警告		X	X	X	X
51	蓄电池向 ECM 供电间歇性中断	X	X	X		X
53	ECM 故障	X	X	X		X
56	检查用户参数和系统参数		X	X			X
58	冷却液液位低警告		X			X
59	发动机软件不正确				X⁽⁷⁾	X
61	冷却液温度高警告		X	X		X
62	冷却液液位传感器故障					X
63	燃油压力高警告						X
64	空气进气温度高警告		X	X			X
66	变速箱油温度高警告						X
67	变速箱润滑油温度传感器故障						X
68	变速箱润滑油压力传感器故障						X
69	变速箱油压力高警告					X
71	1 号缸喷油器	X	X	X		X
72	2 号缸喷油器	X	X	X		X
73	3 号缸喷油器	X	X	X		X
74	喷油器气缸 4	X	X	X		X
75	5 号缸喷油器	X	X	X		X
76	喷油器气缸 6	X	X	X		X

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⁽¹⁾	使发动机停机：小心操作发动机。立即进行维修。可能导致发动机严重损坏。
⁽²⁾	操作员应到最近地点对发动机进行维修。
⁽³⁾	操作员应在方便的时候对该问题进行检查。
⁽⁴⁾	起动不良
⁽⁵⁾	如果发动机配备了已启用的控制箱驱动装置，则不可进行校准。
⁽⁶⁾	如果主发动机转速传感器和辅助发动机转速传感器故障，发动机将停机。
⁽⁷⁾	发动机无法起动。

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