0164-02 Injection Actuation Pressure Signal Erratic (15)
产生此代码的情况:
发动机控制模块 (ECM) 检测到以下情况：
- 关闭发动机后，喷油驱动压力高于 3 MPa (435 psi) 超过三秒钟。
- 发动机运转期间实际压力与理想压力之差高于 2 MPa (290 psi) 超过十秒钟。
- 实际油轨压力在 11.0 MPa (1595.41 psi) 与 17.4 MPa (2523.66 psi) 之间超过十秒钟。
- 发动机运转期间传感器电流变化大于 0.075 安培，同时油轨压力变化小于 0.5 MPa (72.5 psi)。
- 发动机不运转，ECM 至少已通电四秒钟。
- 没有启动冷起动模式。
- 发动机转速为 0 rpm 超过 3 秒，并且发动机没有运转。
系统响应:
ECM 将指示并记录一个激活的代码。 检查发动机指示灯点亮。
ECM 将恢复到 10 MPa (1450.4 psi) 的缺省值。
卡特彼勒电子技师 (ET) 上"理想喷油驱动压力"和"实际喷油驱动压力"状态的旁边会显示 10 MPa (1450.4 psi)。 喷油驱动压力控制阀的电流设为 275 mA。
ECM 会限定功率输出在89.5 kW (120.0 hp) 上，同时车速限定在 73 km/h (45 mph) 上。
由于没有启动冷起动模式，发动机起动阶段可能会冒白烟。
测试步骤 1. 进行以下的诊断步骤: 喷油驱动压力传感器 - 测试
结果:
- 正常 - 停止
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