C4.4 and C6.6 Engines for Caterpillar Built Machines Caterpillar


Sensors and Electrical Connectors

Usage:

559 559
电子控制模块(ECM)和传感器位于发动机左侧。 请参阅图1或3 。


图 1g01765253

C4.4 发动机上的传感器位置

(1) 燃油导轨压力传感器

(2) 进气歧管温度传感器

(3) 电子控制模块(ECM)

(4) 主转速/正时传感器

(5) 机油压力传感器

(6) 机油压力传感器 (备用位置)

(7) 第二转速/正时传感器

(8) 燃油导轨泵电磁阀

(9) 进气歧管压力传感器

(10) 进气歧管压力传感器(备用位置)

(11) 冷却液温度传感器

注: 废气旁通阀调节器安装在发动机右侧(如果安装)。




图 2g01765254

C4.4 发动机上传感器位置的精细视图




图 3g01765255

C6.6 发动机上的传感器位置

(1) 冷却液温度传感器

(2) 进气歧管温度传感器

(3) 进气歧管压力传感器

(4) 燃油导轨压力传感器

(5) 电子控制模块 (ECM)

(6) 机油压力传感器

(7) 主转速/正时传感器

(8) 第二转速/正时传感器

(9) 燃油导轨泵电磁阀

注: 废气旁通阀调节器安装在发动机右侧(如果安装)。




图 4g01765256

C6.6 发动机上传感器位置的精细视图

表 1
接头     功能    
P1     ECM 接头的机器线束(64 针接头)    
P2     ECM 接头的发动机线束(64 针接头)    
P532     燃油导轨泵电磁阀接头(2 针接头)    
P402     第二转速 / 正时传感器(2 针接头)    
P401     主转速 / 正时传感器(2 针接头)    
P201     发动机机油压力传感器(3 针接头)    
P228     燃油导轨压力传感器(3 针接头)    
P200     进气歧管压力传感器(3 针接头)    
P103     进气歧管空气温度传感器 (2 针接头)    
P100     冷却液温度传感器(2 针接头)    
J23     诊断接头 (如果安装)    
P691/J691     电子单体喷射器 2 号的 2 号气缸(4 针接头)    
P692/J692     电子单体喷射器 3 号和 4 号气缸(4 针接头)    
P693/J693 (仅适用于 C6.6)     电子单体喷射器 5号和 6 号气缸(4 针接头)    
P511     废气旁通阀调节器 (如果安装) (2 针接头)    



图 5g01765134

C4.4 发动机示意图

(1) 电子单体喷油器

(2) 燃油导轨泵电磁阀

(3) 废气旁通阀调节器 (如果安装)

(4) 第二转速/正时传感器

(5) 燃油导轨泵

(6) 主转速/正时传感器

(7) 进气歧管压力传感器

(8) 燃油导轨压力传感器

(9) 发动机机油压力传感器

(10) 进气歧管温度传感器

(11) 冷却液温度传感器

(12) 诊断接头 (如果安装)

(13) 电子控制模块(ECM)




图 6g01765135

C6.6 发动机示意图

(1) 电子单体喷油器

(2) 燃油导轨泵电磁阀

(3) 废气旁通阀调节器 (如果安装)

(4) 第二转速/正时传感器

(5) 燃油导轨泵

(6) 主转速/正时传感器

(7) 进气歧管压力传感器

(8) 燃油导轨压力传感器

(9) 发动机机油压力传感器

(10) 进气歧管温度传感器

(11) 冷却液温度传感器

(12) 诊断接头 (如果安装)

(13) 电子控制模块(ECM)

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