C4.4 and C7.1 Engines Caterpillar


Electrical Connectors

Usage:

525D 2L5


电子控制模块(ECM)的接头



图 1g03838852
发动机 ECM 上接头的位置
(1) J1 ECM 接头
(2) J2 ECM 接头

电子控制模块(ECM)使用 86 端子的接头与配线线束相连。

电子控制模块 (ECM) 使用 64 端子的接头与配线线束相连。



图 2g01746473
接头针脚 (从后端视图) 的布局

线束接头端子的拆卸与安装

端子拆卸

表 1
所需工具 
工具  零件号  零件描述  数量 
A  266-1683  拆卸工具 


图 3g01784793
拆下端子位置固定件

  1. 将接头从 ECM 上拆下。 请参阅拆解和组装, "电子控制模块 - 拆卸和安装"。

  2. 使用平口螺丝刀 (1) 拆下接头 (3) 端子定位部件 (2)。

    注: 不要使用工具 (A) 拆下端子定位部件。



    图 4g01784822
    拆卸工具

  3. 将工具 (A) 插入与端子相邻的孔内,从而松开锁定装置。

    注: 确保工具与接头表面垂直。

  4. 将工具固定就位,并轻轻拉动导线,从而从接头 (3) 后部拆下端子。

  5. 从接头 (3) 正面拆下工具 (A)。

    注: 如果必须更换端子,必须使用零件号 267-9572。

端子插入

  1. 将端子插入接头 (3) 的后部,一直到端子与锁定装置扣合。

  2. 轻轻拉动导线,从而确保锁定装置将端子固定。

  3. 将两个端子定位部件 (2) 装入接头 (3) 侧部。

  4. 将接头与 ECM 相连。 请参阅拆解和组装, "电子控制模块 - 拆卸和安装"。

喷油器接头

气门室盖上的接头



图 5g03838886

传感器接头

模拟传感器接头(有源)



图 6g01240891

模拟传感器接头(无源)



图 7g01241538

端接电阻器接头



图 8g01355248

发动机转速/正时接头



图 9g01155187

Ampseal 接头(典型)



图 10g02219254

Deutsch 接头(典型)



图 11g02220494

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