312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2 Caterpillar


Troubleshooting Diagnostic Codes

Usage:

322C ADX

表 1
部件识别符(CID)    
CID 编号     部件名称    
91
( 321C 内没有)    
油门位置信号    
96     燃油油位传感器    
110     发动机冷却液温度传感器    
167     交流发电机    
168     到电源的电压(钥匙开关)    
190     转速传感器    
248
(仅限于 319C、 320C、 322C、 325C 和 330C)    
卡特彼勒数据链    
254
(仅限于 312C、 315C 和 321C)    
电子控制模块(ECM)    
271
(仅限于 312C、 315C 和 321C)    
行动警报    
286
( 321C 内没有)    
机油压力故障    
374     回转制动器电磁阀    
376     行驶报警    
581     动力换挡压力比例减压阀    
586     发动机转速旋钮    
587     调速器执行器的反馈    
588
(仅限于 312C、 315C 和 321C)    
控制器和监视器间的通信故障    
590     发动机控制器    
598     自动行驶速度电磁阀    
600     液压油温度传感器    
1161     输送泵的压力传感器(1)    
1162     输送泵的压力传感器(2)    
1525     直线行走电磁阀    
2002
(仅限于 319C、 320C、 322C、 325C 和 330C)    
行驶报警    



图 1g00691520

典型故障诊断与排除程序示例

(1) 准备

(2) 故障说明

(3) 显示上的错误代码

(4) 需要检查项

(5) 可能的原因和纠正措施




    图 2g00987164

    故障诊断与排除程序的术语图

    (6) 接头内的端子编号

    (7) 短路位置

    (8) 接头编号

    (9) "M" 阳 "F" 阴

  1. 说明(需要检查项)

  1. 电压测量

    • (A) - (B):24 V

    在随后的端子上测量电压。 例如,红色测试针脚 + 连接端子 "A",而黑色测试针脚 - 连接端子 "B"。

  1. 符号的含义

    1. 下表描述了特定符号的含义:

      • "C-ground":底盘接地端子

      • "P-ground":平台接地端子

      • "R-ground":继电器面板接地端子

      • "Cab-ground":驾驶室接地端子

  1. 初步检查

    1. 接头

      执行故障诊断与排除程序前,检查接头的连接情况。 检查接头是否受潮。 接头受潮可产生不良连接。 确保接头正确配合。 确保接头内的针脚牢固。

    1. 连续

      确保以下各项间的连续性:

      • "C-ground" - "P-ground"

      • "C-ground" - "R-ground"

      • "P-ground" - "Cab-ground"

      执行连续性检查前,将断路开关转到 OFF 位置。 断电可防止测试仪和电路损坏。

  1. 准备

    1. 将钥匙起动开关转到关闭位置。

    1. 液压控制杆处于锁定位置。

    1. 确保控制器、线束和接头连接完毕。

      注: 确保断开的导线没有接触机器,以防止通电时损坏电气部件。

Caterpillar Information System:

5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 1089 FMI 02 Analysis Control Module Incorrect Signal - Test
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0596 FMI 02 Electronic Control Module (Implement) Incorrect Signal - Test
2000/04/10 Correct Identification of the Right Side Window and the Left Side Window {7310, 7310}
2000/04/17 An Improved Cap for the Seat Switch is Available {7312}
3126 Truck Engine Military Housing (Front) - Install
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0590 FMI 02 Electronic Control Module (Engine) Incorrect Signal - Test
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0562 FMI 02 Caterpillar Monitoring System Incorrect Signal - Test
776D Wheeled Tractor and 777D and 777D HAA Off-Highway Trucks Power Train Gear Pump (Transmission Charging and Scavenge) - Remove
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0533 FMI 02 Machine Electronic Control Module (Integrated Brake) Incorrect Signal - Test
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0296 FMI 02 Power Train Electronic Control Module (Electronic Clutch Pressure Control) Incorrect Signal - Test
3114, 3116, and 3126 Engines for Caterpillar Built Machines Air Compressor - Remove and Install
SR4 and SR4B Electric Power Generation Rewind Data Winding Data for <B>5N-0027</B> Generator through <B>5N-0050</B> Generator
G3304 and G3306 Engines Battery
3126 Truck Engine Military Housing (Front) - Remove
3003, 3013, 3014 and 3024 Engines for Caterpillar Built Machines Flywheel Housing
3034 Engine for Caterpillar Built Machines Fuel Filter Base
2000/05/01 An Improved Sieve Adjustment Linkage Kit is Available {6924}
2000/03/20 A Special Instruction, REHS0769 , "Powering and Interfacing to Agricultural Implement Electronic Systems" Is Available {7000, 7490, 7600}
776D Wheeled Tractor and 777D and 777D HAA Off-Highway Trucks Power Train Gear Pump (Transmission Charging and Scavenge) - Install
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0296 FMI 09 Power Train Electronic Control Module (Electronic Clutch Pressure Control) Abnormal Update) - Test
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0296 FMI 12 Power Train Electronic Control Module (Electronic Clutch Pressure Control) Failed - Test
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0533 FMI 09 Machine Electronic Control Module (Integrated Brake) Abnormal Update - Test
8-16B, 10-20B and 10-20WB Extend-A-Mat<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> Screed Mat Troubleshooting
5130, 5130B and 5230 Excavators, 784B, 785B, 785C, 789B, 789C, 793B and 793C Off-Highway Truck/Tractors and 992G, 994 and 994D Wheel Loaders Vital Information Management System (VIMS) CID 0533 FMI 12 Machine Electronic Control Module (Integrated Brake) Failed - Test
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