CID 1797 FMI 04
产生此代码的情况:
电子控制模块（ECM）可检测以下状况：
- 燃油导轨油压的信号电压低于 0.2 VDC 的时间超过 0.6 秒。
系统响应:
控制面板显示屏会出现一条警告。 ECM 将会记录此诊断代码。 电子维修工具将在状态屏幕"所需燃油导轨压力"和"实际燃油导轨压力"旁显示"70000 kPa"。
发动机将减额。
5V 电源消失或信号导线对地短路可能导致该诊断代码。
测试步骤 1. 进行以下的诊断步骤: 发动机压力传感器开路或短路 - 测试
结果:
- 正常 - 停止
Caterpillar Information System:
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