Throttle Position Sensor - Calibrate
系统运作描述:
操作时,油门操纵杆系应无发卡或阻力过大现象。 当油门位置传感器没有连接到油门上时,油门应在1秒钟内回到低怠速位置。 需要使用ET来对油门位置传感器进行标定。
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图 1 | g00726080 |
测试步骤 1. 检查和调整油门操纵杆系。
- 检查油门操纵杆系部件有无下列情况:
- 松动
- 弯曲
- 折断
- 缺失
- 磨损
- 松动
- 把钥匙开关转到断电(OFF)位置。
- 将ET与维修工具接头相连接。
- 把钥匙开关转到通电(ON)位置。 不要起动发动机。
- 观察ET的"监测油门位置传感器信号"屏幕上指示的占空比。
- 将油门操纵杆置于低怠速位置。 调整油门操纵杆系。 调整低怠速调定螺钉。
预期结果:
当油门处于低怠速时,占空比应为5%至10%。 调整结束后,当油门操纵杆移离低怠速位置时,占空比应隋之增加。
结果:
- 合格 - 进行测试步骤2。
- 不合格 - 油门位置传感器有问题。
修复: 请参阅故障诊断与排除, "油门位置传感器电路 -测试"。
停止
测试步骤 2. 调整油门操纵杆系。
- 将油门操纵杆置于高怠速位置。 调整油门操纵杆系。 调整高怠速调定螺钉。
预期结果:
当油门处于高怠速时,占空比应为90%至95%。 当在某些类型的操纵杆系上进行高怠速调整时,该调整可能会使低怠速位置发生变化。 重复进行低怠速调整以便确认低怠速调整的正确性。
结果:
- 合格 - 完成标定,并经确认。停止
- 不合格 - 标定未完成,也未经确认。 油门位置传感器有问题。
修复: 请参阅故障诊断与排除, "油门位置传感器电路 -测试"。
停止
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