MID 079 - CID 0168 - FMI 01
产生此代码的情况:
当 ECM 检测到蓄电池电压异常时，记录该诊断代码。
测试步骤 1. 检查蓄电池电压
- 起动发动机。
- 使发动机在高怠速下运转数分钟。
- 在蓄电池接线柱处测量电压。
结果:
- 正常 - 电压为 21.5 VDC 或高于 21.5 VDC。 2
- 异常 - 电压低于 21.5VDC。 充电系统不正常。
修复: 检查充电系统。
停止
测试步骤 2. 检查控制装置的系统电压
- 测量线束接头触点 1 和触点 2 之间的系统电压。
- 发动机必须在高怠速下运行。
结果:
- 异常 - 电压低于 21.5VDC。 线束不正常。
修复: 修理或更换线束。
停止
- 正常 - 电压为 21.5 VDC 或高于 21.5 VDC。
修复: 断开控制装置线束接头。 检查触点 1 和触点 2。 将线束连接至控制装置。 如果故障仍激活，则更换控制装置。
停止
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