0102-07 Boost Pressure not responding
产生此代码的情况:
发动机控制模块 (ECM) 检测到以下情况：
- 增压压力信号高于 172 kPa (25 psi) 超过 0.5 秒。
- 燃油率就是当前扭矩工况图最大值的 80%。
- 102-03 故障诊断代码应为激活状态。
系统响应:
废气旁通电磁阀的供电电流关闭。 增压压力将设为 0 kPa。
卡特彼勒电子技师 (ET) 上增压压力状态的旁边会显示"诊断"。
该故障诊断代码为激活状态的同时，发动机额定功率可能会下降。 额定功率降低的程度取决于增压压力过高的严重性。
该故障诊断代码可能是由于废气旁通阀空气管堵塞、涡轮增压器出故障或涡轮增压器管线挤压引起的。 此外，该故障诊断代码可能还指示废气旁通阀发生干涉。
注: 如果几次记录该故障诊断代码的话，则该代码可能会引起永久性额定功率降低。 发动机恢复到全额功率时需要使用出厂密码。
测试步骤 1. 进行以下的诊断步骤: 废气旁通电磁阀 - 测试
结果:
- 正常 - 停止
Caterpillar Information System:
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