<div layer1="text-s"></div><div class="tz-paragraph">空调突然不制冷了，故障码检测是P0494，P0691，P0693，网上查询是风扇电阻通病。首富家买了个风扇电阻（副厂货），编号：9678999980，换上后故障码还是消不掉。</div><div layer1="text-e"></div><br /><div layer1="img-s"></div><div class="tz-figure"><img src="http://club2.autoimg.cn/album/g26/M08/76/1D/userphotos/2019/09/30/23/500_ChcCP12SGuqAJqYdAAFdaSce79c509.jpg" style="height:484px;width:630px"  /><div layer2="desc-s"></div><div class="description">查询线路图，用万用表检测风扇电阻内部线路都是好的。1脚高速信号，2脚低速信号，3脚12V常电，4脚风扇信号线。给1，2脚搭铁，风扇高低速正常转动，难道风扇电阻到发动机ECU的线路有问题？</div><div layer2="desc-e"></div></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-figure"><img src="http://club2.autoimg.cn/album/g3/M06/81/9E/userphotos/2019/09/30/23/500_ChsEkV2SHBCAIIvBAAWNtyrKDVo060.jpg" style="height:1244px;width:700px"  /><div layer2="desc-s"></div><div class="description">用万用表检测风扇电阻插头到发动机ECU插头中间是否开路，检测结果线路正常。</div><div layer2="desc-e"></div></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-figure"><img src="http://club2.autoimg.cn/album/g3/M0B/81/9E/userphotos/2019/09/30/23/500_ChsEkV2SHA-AAaIIAAaqhCQmHDE382.jpg" style="height:394px;width:700px"  /><div layer2="desc-s"></div><div class="description">发动机ECU插头。用万用表检测保险丝全部正常。维修陷入僵局，难道是发动机ECU有问题？</div><div layer2="desc-e"></div></div><div layer1="img-e"></div><br /><div layer1="img-s"></div><div class="tz-figure"><img src="http://club2.autoimg.cn/album/g29/M07/74/51/userphotos/2019/09/30/23/500_ChsEfl2SHIyAeieLAAIkvGzTZXk222.jpg" style="height:525px;width:700px"  /><div layer2="desc-s"></div><div class="description">抱着试试看的想法，重新在首富家找了个号称原厂件的风扇电阻，零件编号：9818994380.收到后用万用表检测内部线路，跟副厂件是一样的，装上后，用电脑清除故障码成功，开启空调，制冷效果完好。</div><div layer2="desc-e"></div></div><div layer1="img-e"></div><br /><div layer1="text-s"></div><div class="tz-paragraph">结论：能买原厂件尽量买原厂件吧，本来十几分钟搞定的事，折腾了2天才搞定。</div><div layer1="text-e"></div><br />

曲折的空调不制冷自己维修之路