CID 0168 FMI 02
产生此代码的情况:
这种情况表明，电子控制模块（ECM）的蓄电池电路在发动机处于运行状态时是间歇工作。
ECM 检测到下述情况时：
- ECM 会检测到在 7 秒周期内三个低于 6 VDC 的电压读数。 随后，电压必须增加到超过 9 VDC。
- 钥匙开关处于 接通位置。
- 发动机正在运转。
- 发动机没有进行起动盘车。
系统响应:
将正常记录该诊断代码。 如果蓄电池电压消失且没有再出现，ECM 将不记录该故障诊断代码，同时发动机停机。 该停机将取决于故障的出现时间。
检查发动机指示灯和警告灯可能点亮。
引起该故障诊断代码的状况仍然存在时，发动机可能发生转速变化、间歇性停机或完全停机。 ECM 可能会停止喷油。 这可能取决于故障的出现时间。
本诊断代码检测发动机运转时电子控制模块（ECM）蓄电池电路的间歇性电压。
测试步骤 1. 进行以下的诊断步骤: 点火钥匙开关电路和蓄电池供电电路 - 测试
结果:
- 确定 - 停止
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