CX35-P800-C18I and CX35-P800-C27I Petroleum Power Train Packages and CX35-P800 Petroleum Transmission Caterpillar


Replaced Relay or Solenoid Does Not Operate

Usage:

CX35-C18I PCF



图 1g01954286

有两种输出。 分别是驱动器输出和反相输出。 驱动器输出包括 PTO 输出、起动器互锁输出和倒车警报。 这些输出可以在蓄电池电压下驱动 2 安培电流。

反相输出包括变矩器指示灯输出, 该驱动器可驱动 0.3 安培。

如果更换的继电器或电磁阀比原先的大,表示更换件具有更大的安培数容量,ECU 输出可以禁用,以防损坏 ECU 部件的内部零件。 此种情况下,不会产生诊断代码。 输出看起来不工作。

请执行以下检查:

  • 将点火开关转到 OFF(断开)位置。 断开更换的继电器或电磁阀。 安装测试指示灯。 将点火开关转到接通位置并激活输出。 如果测试指示灯表明输出工作正常,则必须换上符合原有技术规格的继电器或电磁阀。 必要时,可使用较小的继电器或电磁阀来运转较大的继电器或电磁阀。

有四种额定输出驱动继电器或电磁阀: 这些输出以底盘电压下 2 安培为额定值。

表 1
2 安培输出驱动器    
名称     销位置    
PTO #1 启用输出     J2-2    
倒车警报输出     J2-5    
PTO #2 启用输出     J2-6    
起动装置互锁输出     J2-7    

另有六个容量为 300 毫安的低功率驱动器。

表 2
300 毫安输出驱动器    
名称     销位置    
发动机调速器输出     J2-11    
换档器 #1 激活的指示灯     J2-12    
换档器 #2 激活的指示灯     J2-13    
变速箱输出转速驱动器     J2-19    
变矩器输出转速驱动器     J2-20    
变矩器指示灯     J2-21    

注: 换用额定为较高安培数的驱动器可能会停用功能。 如果更换驱动器或继电器后某功能停用,应确保更换的驱动器或继电器额定值正确。

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