二、故障现象描述
车辆行驶中反映发动机水温过高
三、故障分析思路及排除方法
1、基本检查:冷却液管和水箱没看到明显渗漏,防冻液液位正常
2、ISID快测,有以下相关故障码:2E82DME电动冷却液泵,关闭2E81DME电动冷却液泵转速偏差。
3、走检测计划如下
4、检查水泵插头连线,电压和PWM信号正常。
5、电脑激活电子水泵,用手触摸水泵壳体,有工作的震动感。
6、拆下水泵,转动水泵叶轮,有明显的卡滞感,但水泵的叶轮没有卡滞物。
7、更换水泵后试车正常。
电子水泵的工作原理
泵内集成的电子装置执行两个基本任务:调节并提供电压和电流,从而使EC 电机 和冷却液泵运转。按照发动机管理系统的要求,以调节泵 转速并向发动机管理系统反馈相关信息的 方式,调节冷却液流量。
拆检水泵
好几部车辆因为电子水泵转速差故障导 致水温高报警,但其原因是什么呢?拆下水泵后,发现水泵转子的涂层裂开 了,变大了,与定子滑套摩擦。
拆检水泵(完全卡死)
1、我们分别找了两个电子水泵进行了分解,水泵转子的涂层脱落,导致运转产生摩擦甚至卡死,引发发动机水温高报警。
2、也许是涂层质量问题,也许因为紧靠发动机,长时间高温导致水泵内涂层老化。
原创文章,作者:cesifu,如若转载,请注明出处:http://www.cesifu.com/article/28800.html
相关推荐
-
日产品牌故事之老男孩,追阳光_日产汽车,日产阳光,中国地质大学,自驾游,原汁原味的德系SUV,不完美妈妈,地质,旅行,石油,长江,让梦发生,通州,大学,回力鞋,癌症,山西
“ 金秋10月,新中国将迎来70周年华诞,在这漫长的岁月中,有很多普通百姓为国家的建设和成长奉献了自己的力量和青春。如今,伴随着改革开放的深入实施,中国各行各业都得到了…
-
配717马力6.2V8机增发动机,道奇Charger SRT地狱猫宽体版亮相
近日,道奇正式发布了2020款Charger SRT宽体版地狱猫车型,新车最显著的特征是增加了额外89毫米的宽体套件,将280毫米宽度的宽胎完全的包裹在车身之内。 同时,新车还在前…
-
车长胜过吉利嘉际,配双侧滑门,科尚国六版车型上市_多功能休旅车,长安汽车,设计,运动型多用途车,高德软件,GPS,长安,传祺
“ 长安作为自主品牌的领导者之一,此前就开始独立运营欧尚这个子品牌了,这也为欧尚汽车走向高端市场打下了基础,随着欧尚第一款SUV车型科赛的上市,凭借着欧尚汽车大气的设计…
-
大战前的热身赛 自主轿跑SUV市场即将步入三国混战时代
从近期车市来看,轿跑式SUV一时间成为了自主品牌另一个角力场,在年轻消费者购买力逐渐成长的同时,自主品牌在产品谱系上愈发年轻化,在中型SUV市场,轿跑式SUV俨然成为了下一个风口。…
-
5000公里就换机油?修车的老师傅:忽悠人,这样就等于浪费机油
在中国,汽车制造商认为,汽车跑5000公里以后机油就应该更换一次,这是汽车制造商一般是这样说的,我国的道路条件不好,空气质量也很低,所有这些使得汽车机油的使用寿命大大减少,但目前,…
-
大乘汽车G60S将亮相车展
日前,盖世汽车从大乘汽车官方获悉其全新紧凑级SUV大乘G60S将于本届上海车展正式亮相。据悉,这款新车已于去年12月29日下线,配备大尺寸中控屏幕和旋钮换挡机构,动力则搭载1.5T…
-
实力碾压路虎揽胜,高逼格颜值89万,49单冷门成绩,没人待见
相信有冒险精神的小伙伴儿,心目当中都有一个越野梦,而路虎满足了大家的愿望,虽然是豪门的标配,拥有着超级帅气的外形和酷炫的颜值,加上全地形反馈系统,驾驶者就像乘坐飞机一般,特别有架势…
-
驾控出色性能堪比燃油车试驾北汽新能源EU5
一提到国产自主品牌电动汽车,绝大部分消费者的第一印象一定是代步车、没有美感、品质差,总之就是和驾驶乐趣挨不上任何关系。而这一次我们试驾的北汽新能源EU5无论是从外观内饰设计、续航里…
-
5月轿车销量好坏参半,B级车开始反攻
从5月轿车市场的销量来看,车市下行的环境一定程度上对细分市场进行了重新洗牌。那些实力强劲,却被消费者“埋没”的车型开始发力,而那些打着性价比招牌的“热销”车型终于出现销量危机。 先…
评论列表(68条)
Thanks for posting. It’s top quality.
You’ve evidently researched well.
I’ll certainly bookmark this page.
The detail in this content is exceptional.
You’ve evidently spent time crafting this.
This piece is top-notch.
Such a beneficial read.
I took away a great deal from this.
Such a valuable insight.
I particularly admired the style this was laid out.
I really enjoyed the way this was laid out.
I discovered useful points from this.
This post is insightful.
This submission is incredible.
Thanks for sharing. It’s well done.
I’ll definitely recommend this.
I absolutely liked the approach this was written.
I truly admired the manner this was written.
I gained useful knowledge from this.
More blogs like this would make the internet more useful.
Such a useful insight.
You’ve clearly researched well.
Such a valuable insight.
I found new insight from this.
I truly admired the approach this was written.
Such a valuable insight.
Such a useful bit of content.
The detail in this content is exceptional.
I particularly valued the manner this was presented.
More content pieces like this would make the internet more useful.
This write-up is informative.
Such a useful resource.
Such a informative resource.
This piece is well-written.
I really enjoyed the way this was explained.
I particularly enjoyed the manner this was written.
Thanks for creating this. It’s top quality.
I’ll surely recommend this.
You’ve clearly researched well.
Such a informative insight.
More posts like this would make the web a better place.
More posts like this would make the internet more useful.
The breadth in this piece is remarkable.
This post is fantastic.
I truly enjoyed the style this was presented.
More content pieces like this would make the internet more useful.
The breadth in this content is exceptional.
I truly liked the way this was laid out.
Such a informative bit of content.
Uncertain whether a secured loan is right for you? Understand the benefits, such as lower interest rates and increased flexibility.
Not sure if a secured loan is right for you? Understand the benefits, such as more favourable terms and increased flexibility.
Discover how a homeowner loan can help you obtain the money you need without selling your home. Compare lenders and customise a plan that fits your needs.
Home equity release may provide the financial support you’ve been needing. Learn how to use the equity tied up in your home without having to downsize.
Thinking about releasing equity from your home? Review top lenders and understand your financial responsibilities before making a decision.
Equity release solutions may provide the financial freedom you’ve been needing. Learn how to use the equity tied up in your home without having to downsize.
Home equity release may provide the financial support you’ve been looking for. Learn how to use the equity tied up in your home without having to move.
Unlock the value in your property with a reliable home equity loan — suitable for covering home improvements, large expenses, or refinancing.
Release the value in your property with a reliable home equity loan — ideal for covering home improvements, major purchases, or refinancing.
Not sure if a secured loan is right for you? Understand the benefits, such as more favourable terms and increased flexibility.
Home equity release may provide the financial support you’ve been needing. Learn how to tap into the equity tied up in your home without having to downsize.
Not sure if a secured loan is right for you? Explore the benefits, such as lower interest rates and larger borrowing amounts.
You may be able to secure larger loans and enjoy lower monthly repayments by taking out a loan secured on your property. Review current offers today.
Thinking about releasing equity from your home? Compare top lenders and understand your rights and obligations before making a decision.
Thinking about releasing equity from your home? Review top lenders and learn about your rights and obligations before making a decision.
You may be able to secure larger loans and enjoy better interest rates by using your home’s equity. Review current offers today.
Home equity release may provide the financial support you’ve been needing. Learn how to tap into the equity tied up in your home without having to move.
If you’re a property owner looking to get a loan, a secured loan could be a wise option. Leverage better rates by using your home as security.
HSBC’s equity release is designed to help homeowners unlock the wealth tied up in their property. Whether you’re looking to support family members, HSBC provides a secure solution with no need to sell your home. Their specialist advisors can walk you through the process with confidence.