C4.4 and C7.1 Engines Caterpillar


Component Location

Usage:

525D 2L5


电子控制电路图



图 1g03838794
电子控制电路图

传感器位置

电子控制模块 (ECM) 和大部分发动机传感器位于发动机左侧。 对于 C4.4 发动机,参考图 2。 对于 C7.1 发动机,参考图 4。

有关 C7.1 发动机上连接的其余传感器,请参阅插图 6。

注: 在下图中,为清晰起见,部分部件已拆下。



图 2g03519477
C4.4 发动机左侧传感器位置
(1) 冷却液温度传感器
(2) 进气歧管压力传感器
(3) 高压燃油泵电磁阀
(4) 进气歧管空气温度传感器
(5) 燃油导轨压力传感器
(6) 电子控制模块 (ECM)
(7) 主转速/正时传感器
(8) 机油压力传感器
(9) 辅助转速/正时传感器


图 3g03519480
C4.4 发动机左侧传感器位置近视图
(1) 冷却液温度传感器
(2) 进气歧管压力传感器
(3) 高压燃油泵电磁阀
(4) 进气歧管空气温度传感器
(5) 燃油导轨压力传感器
(6) 电子控制模块 (ECM)
(7) 主转速/正时传感器
(8) 机油压力传感器
(9) 辅助转速/正时传感器


图 4g03338328
C7.1 发动机左侧传感器位置
(1) 冷却液温度传感器
(2) 高压燃油泵电磁阀
(3) 进气歧管压力传感器
(4) 进气歧管空气温度传感器
(5) 燃油导轨压力传感器
(6) 废气旁通阀调节器
(7) 主转速/正时传感器
(8) 机油压力传感器
(9) 电子控制模块 (ECM)


图 5g03338348
C7.1 发动机左侧传感器位置近视图
(1) 冷却液温度传感器
(2) 高压燃油泵电磁阀
(3) 进气歧管压力传感器
(4) 进气歧管空气温度传感器
(5) 燃油导轨压力传感器
(6) 废气旁通阀调节器
(7) 主转速/正时传感器
(8) 机油压力传感器
(9) 电子控制模块 (ECM)


图 6g03338385
C7.1 发动机右侧传感器位置
(10) 辅助转速/正时传感器

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