工作就用美篇工作版","guide_search_desc":"海量模板范文,一键做同款 工作就用美篇工作版","img_beautify_switch":0,"ad_free":0,"text_direction":"1","template":{},"container":{},"redirect":{"redirect_type":1,"img_url":false,"link_url":"/wap/downloadpage/backpage","button_bg_color":false,"button_desc":false,"redirect_desc":false},"edit_date_str":"更新于 2018-06-20","current_time":1751201355,"font_name":"","rcmd_meipian":0,"hide_article_link":0,"from_wechat":false,"topk_keywords":[{"name":"发动机","score":0.421794},{"name":"风扇","score":0.283713},{"name":"故障","score":0.270978},{"name":"电脑","score":0.19532},{"name":"处理","score":0.177989},{"name":"线束","score":0.168448},{"name":"信号","score":0.16737},{"name":"水温","score":0.161584},{"name":"出错","score":0.15923},{"name":"手刹","score":0.153993}],"content":{"article_id":64349569,"content":[{"text":"
故障现象:风光580CVT车辆停久了或早上启动时,冷车时怠速高1000转,风扇突然转起,变速器、ESP、电子手刹故障灯点亮,风扇一直转不停,车辆挂D档或R档车辆需2500转才能起步,熄火后重启有正常。
"},{"text":"故障视频
","video_thumbnail":"https://ss-mpvolc.meipian.me/users/4956365/225DAD10-6DFD-4CE2-B1B7-395206E105FD__png.heic","video_url":"http://video.ivwen.com/users/4956365/E47F3B1B-E6D0-4CD2-A882-1AEE06AA3595.mp4"},{"text":"故障诊断:维修技师使用TDS800读取故障码如下
发动机系统无故障码
变速器系统故障码:U101400CAN发动机扭矩信号错误;U041500ABS功能错误。
ESP系统故障码:U010008发动机管理系统CAN数据中断/信号无效。
电子手刹故障码:U150586发动机信号异常;U150786档位信号异常。
"},{"img_height":720,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/a6d0efb4505c418585c13a0361609d60__jpg.heic","img_width":1150},{"img_height":684,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/e5611966d8bd4f379ff4106bae2b91bd__jpg.heic","img_width":1088},{"img_height":718,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/2ac7da4b70e845048fd1d43bb9942489__jpg.heic","img_width":1200},{"text":"故障情况处理:
第一次处理:考虑到此车以前换过防干扰的前舱线束4002010-SA05-C4D2,又更换过发动机线束,所以就没考虑干扰问题,首先更换了曲轴转速传感器、更换了发动机电脑,客户试车一周后又出现此问题。
第二次处理:处理了发动机电脑的电源针脚C63、C02端子;处理了CAN端子C11、C12;处理了打铁端子C47、C48、C64以及发动机电脑的打铁点;处理了发动机线束与前舱线束插接器中的CAN总线(浅绿红、浅绿蓝)的接触情况,更换了发电机交客户使用,几天后客户反应故障依旧。
第三次处理:结合前两次处理结果以及风扇冷车时就突然转起,分析还是发动机电脑受到水温错误信号干扰所导致的的错误动作使风扇运转,风扇一直转动发动机内部出错,向外传输的CAN发动机扭矩和发动机CAN发动机转速就出错,致使变速器、ESP、电子手刹需要发动机信号的这些控制单元检测到信号错误,点亮相应的故障指示灯,由于扭矩出错车辆起步困难2500转才能起步,关闭点火开,重启车辆发动机电脑重新上电初始化后又能正常工作,车辆又可以正常行驶,所以决定给发动机电脑加防干扰电容处理。
"},{"img_height":1274,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/3523f952d8344c14b7a41b58146af39f__jpg.heic","img_width":960},{"img_height":1336,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/acd6c3afe62f4aa6a602cd5fc4f0600c__jpg.heic","img_width":1200},{"img_height":1374,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/130bffedb051476c9a1746303ef2ed97__jpg.heic","img_width":1200},{"img_height":1400,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/5090dbaeb97340e5aaaeca9b661ca316__jpg.heic","img_width":1200},{"text":"处理结果:
考虑到冷车风扇转动一个原因是水温传感器受到干扰信号突然失常,传送错误水温信号导致风扇运转,发动机扭矩受限。另一个原因是发动机电脑本身受干扰出错导致冷却风扇常转,传递的CAN数据出错。基于这两种考虑,而且客户反应风扇转时仪表水温没有显示,所以更换了水温传感器,给发动机电脑加防干扰电容处理,客户使用一直没有出现问题。
"},{"img_height":974,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/46cbab76d5104bf49be13cf6e935a3e8__jpg.heic","img_width":1200,"text":"故障时水温无显示。
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"},{"text":"故障视频
","video_thumbnail":"https://ss-mpvolc.meipian.me/users/4956365/225DAD10-6DFD-4CE2-B1B7-395206E105FD__png.heic","video_url":"http://video.ivwen.com/users/4956365/E47F3B1B-E6D0-4CD2-A882-1AEE06AA3595.mp4"},{"text":"故障诊断:维修技师使用TDS800读取故障码如下
发动机系统无故障码
变速器系统故障码:U101400CAN发动机扭矩信号错误;U041500ABS功能错误。
ESP系统故障码:U010008发动机管理系统CAN数据中断/信号无效。
电子手刹故障码:U150586发动机信号异常;U150786档位信号异常。
"},{"img_height":720,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/a6d0efb4505c418585c13a0361609d60__jpg.heic","img_width":1150},{"img_height":684,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/e5611966d8bd4f379ff4106bae2b91bd__jpg.heic","img_width":1088},{"img_height":718,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/2ac7da4b70e845048fd1d43bb9942489__jpg.heic","img_width":1200},{"text":"故障情况处理:
第一次处理:考虑到此车以前换过防干扰的前舱线束4002010-SA05-C4D2,又更换过发动机线束,所以就没考虑干扰问题,首先更换了曲轴转速传感器、更换了发动机电脑,客户试车一周后又出现此问题。
第二次处理:处理了发动机电脑的电源针脚C63、C02端子;处理了CAN端子C11、C12;处理了打铁端子C47、C48、C64以及发动机电脑的打铁点;处理了发动机线束与前舱线束插接器中的CAN总线(浅绿红、浅绿蓝)的接触情况,更换了发电机交客户使用,几天后客户反应故障依旧。
第三次处理:结合前两次处理结果以及风扇冷车时就突然转起,分析还是发动机电脑受到水温错误信号干扰所导致的的错误动作使风扇运转,风扇一直转动发动机内部出错,向外传输的CAN发动机扭矩和发动机CAN发动机转速就出错,致使变速器、ESP、电子手刹需要发动机信号的这些控制单元检测到信号错误,点亮相应的故障指示灯,由于扭矩出错车辆起步困难2500转才能起步,关闭点火开,重启车辆发动机电脑重新上电初始化后又能正常工作,车辆又可以正常行驶,所以决定给发动机电脑加防干扰电容处理。
"},{"img_height":1274,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/3523f952d8344c14b7a41b58146af39f__jpg.heic","img_width":960},{"img_height":1336,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/acd6c3afe62f4aa6a602cd5fc4f0600c__jpg.heic","img_width":1200},{"img_height":1374,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/130bffedb051476c9a1746303ef2ed97__jpg.heic","img_width":1200},{"img_height":1400,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/5090dbaeb97340e5aaaeca9b661ca316__jpg.heic","img_width":1200},{"text":"处理结果:
考虑到冷车风扇转动一个原因是水温传感器受到干扰信号突然失常,传送错误水温信号导致风扇运转,发动机扭矩受限。另一个原因是发动机电脑本身受干扰出错导致冷却风扇常转,传递的CAN数据出错。基于这两种考虑,而且客户反应风扇转时仪表水温没有显示,所以更换了水温传感器,给发动机电脑加防干扰电容处理,客户使用一直没有出现问题。
"},{"img_height":974,"img_url":"https://ss-mpvolc.meipian.me/users/4956365/46cbab76d5104bf49be13cf6e935a3e8__jpg.heic","img_width":1200,"text":"故障时水温无显示。
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