推荐回答(5个)
首先说下什么叫游丝,游丝是汽车安全气囊的一个部件,又称螺旋形电缆,装在方向盘的下方,是方向盘上的电器与方向柱上的电器连接的重要部件。
位置如下图
![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2Fd058ccbf6c81800ac1c57508bb3533fa828b4790%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
![](/picurl?url=https%3A%2F%2Fiknow-pic.cdn.bcebos.com%2F060828381f30e924fe16623746086e061d95f702%3Fx-bce-process%3Dimage%252Fresize%252Cm_lfit%252Cw_600%252Ch_800%252Climit_1%252Fquality%252Cq_85%252Fformat%252Cf_auto)
上图为游丝实物图
游丝坏了,一般是游丝内部的线断了或者有异响。现象表现为方向盘上的开关或者元器件,不起作用。如按喇叭不响、气囊灯亮、方向盘按钮不能控制收音机的音量和换电台等。
游丝坏了,检查方法和步骤有如下
1,喇叭不响,先拔下喇叭的插头,接上试灯,按方向盘,试灯不亮,查保险丝和继电器,如继电器按的时候也没反应,拆下气囊,直接把游丝下方的喇叭按钮线搭铁,喇叭响,把游丝上方的喇叭线搭铁,喇叭不响,就查游丝,用万用表量 这个线的通断。
2,气囊灯亮,电脑测试下,如果显示的是驾驶员气囊断开,就拆下气囊,如果线速插好的,拔下主气囊插头,用一个2欧姆的电阻放到气囊抽头里(一边插一只脚,这可是纯干货)。清除故障码,能清除说明是气囊故障,不能清除,拔下游丝下方的气囊线索,连接2欧姆电阻,清除故障码,如能清除,那游丝坏了,如不能清除,那要检查气囊电脑到游丝下方的线束(这种故障概率很低)
3,音响控制按键一般不会坏的,概率特别低,检查步骤是一样的。
4,关于异响。可以拆下游丝再试车,如拆掉后没有异响,就更换。
检查方法和步骤以及判断:
1,喇叭不响,先拔下喇叭的插头,接上试灯,按方向盘,试灯不亮,查保险丝和继电器,如继电器按的时候也没反应,拆下气囊,直接把游丝下方的喇叭按钮线搭铁,喇叭响,把游丝上方的喇叭线搭铁,喇叭不响,就查游丝,用万用表量 这个线的通断。
2,气囊灯亮,电脑测试下,如果显示的是驾驶员气囊断开,就拆下气囊,如果线速插好的,拔下主气囊插头,用一个2欧姆的电阻放到气囊抽头里(一边插一只脚,这可是纯干货)。清除故障码,能清除说明是气囊故障,不能清除,拔下游丝下方的气囊线索,连接2欧姆电阻,清除故障码,如能清除,那游丝坏了,如不能清除,那要检查气囊电脑到游丝下方的线束(这种故障概率很低)
3,音响控制按键一般不会坏的,概率特别低,检查步骤是一样的。
4,关于异响。可以拆下游丝再试车,如拆掉后没有异响,就更换。
游丝是汽车安全气囊的一个部件,又称螺旋形电缆,装在方向盘的下方,是方向盘上的电器与方向柱上的电器连接的重要部件。
参考资料
汽车之家:https://club.autohome.com.cn/bbs/thread-c-2567-69272401-1.html
万用表即可检测,观察通断情况。如果是断的那么说明气囊线圈坏了。zhi如果是通的,那dao就说明气囊线圈是好的。
当车辆发生碰撞时,安全气囊线圈可根据车速和加速度自动选择是否只使用安全带预紧器或安全带预紧器与双安全气囊同时工作。
当低速发生碰撞时,系统仅使用安全带保护驾驶员和乘客的安全,不会浪费安全气囊。当车速大于30km/h时,安全带和安全气囊同时作用,以保护驾驶员和乘客的安全。
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扩展资料:
当安全气囊控制系统检测到车辆发生正面碰撞事故,碰撞力(减速度)超过设定值时,安全气囊计算机将立即打开充气元件中的电雷管电路,点燃电雷管中的点火介质,点燃点火药和气体发生器,产生大量气体。
0.03秒后,将安全气囊充气,使其迅速膨胀,冲破方向盘和鼓上的装饰盖板,冲向驾驶员和乘客,使驾驶员和乘客头部和胸部充入气囊,以缓冲对驾驶员和乘客的冲击,然后松开安全气囊。
安全气囊能将冲击力均匀地分布在头部和胸部,防止易受伤害的乘客与身体直接碰撞,从而大大降低受伤的可能性。安全气囊能够有效地保护正面碰撞中的乘客。即使不系安全带,防撞气囊也能有效减少伤害。
参考资料来源:
百度百科-气囊游丝
最简单的辨别标志,就是喇叭不响了,特别是时好时坏。如果这时候安全气囊故障灯也亮了,那百分百就是游丝问题了。
游丝坏了喇叭不响(喇叭按钮不在方向盘上的除外),打方向有时会兹兹响
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