CID 0168 FMI 02 System Voltage intermittent/erratic
产生此代码的情况:
发动机运转时，蓄电池电压间歇下降至 9 VDC 以下，或蓄电池电压在 7 秒内三次下降至 9 VDC 以下。
系统响应:
电子控制模块 (ECM) 将会记录该诊断代码。
- 发动机可能缺火和/或停机
测试步骤 1. 进行以下的诊断步骤: 电源供电电路 - 测试
结果:
- 与预期结果相符 - 停止
Caterpillar Information System:
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0174 FMI 03 Fuel Temperature open/short to +batt
3408E and 3412E Engines for Caterpillar Built Machines Engine Speed/Timing Sensor Circuit - Test
2000/01/01 Corrections to Operation and Maintenance Manual, SEBU6759-02 , "Maintenance Interval Schedule" and Corrections to Operation and Maintenance Manual, SEBU6759-02 , "Maintenance Recommendations" {7519}
3408E and 3412E Engines for Caterpillar Built Machines CID 0164 FMI 03 Injector Actuation Pressure voltage high
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0110 FMI 04 Engine Coolant Temperature short to ground
723PLUS Digital Speed Control Software Options
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0110 FMI 03 Engine Coolant Temperature open/short to +batt
3408E and 3412E Engines for Caterpillar Built Machines CID 0042 FMI 06 Injector Actuation Valve short to ground
3408E and 3412E Engines for Caterpillar Built Machines CID 0042 FMI 05 Injector Actuation Valve open circuit
723PLUS Digital Speed Control Hardware Options
3176C and 3196 Marine Engines Engine Oil Filter Base
2000/01/01 Cooling System Venting Procedure {1350}
3176C and 3196 Engines for Caterpillar Built Machines CID 0168 FMI 01 System Voltage Low
3176C and 3196 Engines for Caterpillar Built Machines CID 0168 FMI 00 System Voltage High
723PLUS Digital Speed Control Accessories
2000/02/01 New Oil Filter Base Group {1306}
UPS 250, UPS 300, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supply Flywheel Inverter Module - Remove and Install
Uninterruptible Power Supply (UPS) 250 Contactor - Remove and Install
3114, 3116 and 3126 MUI Engine Governors Throttle Lever (Types IV, V, VI, VII, and Some III) - Install
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0174 FMI 04 Fuel Temperature short to ground
3408E and 3412E Engines for Caterpillar Built Machines CID 0175 FMI 03 Engine Oil Temperature open/short to +batt
3408E and 3412E Engines for Caterpillar Built Machines CID 0175 FMI 04 Engine Oil Temperature short to ground
Uninterruptible Power Supply (UPS) 250 Fuse - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines CID 0190 FMI 03 Engine Speed open/short to + batt