Hyundai EPS system 2

Hyundai EPS system

Without keyword

HYUNDAI NF 2006

It is unfortunate that I did not have to live practice on the Toyota simulator of the EPS system (Electric Power Steering) and undergo a specialized training course using such equipment:

But on the other hand, when you start to study this system yourself, you have to weed out the seeds from the chaff and you learn a lot of interesting things. And how not to study: before proceeding with the repair of any automobile system, it must be understood. How does it work. What are the “pitfalls”. Pros and cons. Etc. And when I had to deal with the restoration of this system on Hyundai, the basic principles of operation and the device were already put aside in memory:

The principle of operation is clear from these diagrams: the steering wheel is monitored by the Torgue sensor (see the Appendix “… the use of Hall sensors in automotive electric steering systems”), transmits the rotation data to the control unit, and after the comparative analysis and verification with basic settings, gives a command to the electric motor – where and how much to rotate.

 Pay attention to the diagram on the left. There is shown a car speed sensor. It is required for the operation of this system: the higher the speed of the car, the less sensitive the steering wheel should be. At high speed, it seems to be “heavier.” By the way, on hydraulic systems the same “trick” was also there, only there switching was done by a hydraulic valve – as soon as the speed became higher, another hydraulic channel entered into operation and the steering wheel turned harder. This is fair and justified, why the steering wheel is spinning as easily and quickly at a speed of 120 km \ hour as when driving at 20 km \ hour, at high speed its “responsiveness” should be dulled. In more modern cars, in addition to the speed sensor, the readings of other sensors can also be taken into account by the control unit. There are a lot of so-called “particulars”, these features are “an unplowed field” for fans of block repairs, you just need to read the forums:

Hello! I have a hyundai, mileage 75,000 km. The ESP lamp is on, the steering wheel is sometimes heavy, people who know say that … Naur Tell me what you can do?
 go to the Hyundai service center and do diagnostics for 850 rubles
 … yeah … rolled down … looked, felt, said error s1260 and that it is necessary to change the entire unit, it is 65,000 rubles.

But there are common statements on the forums:

 Do not be fooled!
 contact an alternative parent
 It’s not worth repairing yourself ………….. If you don’t have skills, don’t go!

The history of this Hyundai NF is quite ordinary. The car arrived at the workshop with a malfunction: “The lamp on the dashboard is on.” There they looked – EPS is on. And no one asked what was very important – they didn’t ask for a “history of malfunction.” This is the ABC book: to ask the client simple questions: “What did you do with the machine before the malfunction occurred, did you repair something?”, “Were there any accidents?” … and so on. Practice shows that malfunctions are often preceded by “something” that was “before” – they did some repairs and did something wrong … the car was hit and straightened … a lot of things could happen.

In the car service, the error was simply “reset” and sent to the client. And after a while he came again: “The light on the panel is on.” Error C1260. Different scanners translate this error in different ways. It all depends on the software and the class of the diagnostic device. There is software that translates this error as an “abnormal steering wheel sensor”. In Russian. Here, as you like, everyone has their own opinion and their own amount of money.

There is money, there will be a different scanner, and the inscription on the display is different: Steering sensor circuit.

But the client needs to be questioned in more detail. Was there an accident? And what kind of accident? And then what did you do? In what place “did something”? In front? The steering system concerned? Do not know. not in the know … well, let’s see.

When it is not the first time you encounter such errors, the assumption always arises: “they turned the steering wheel”. Slang expression, but understandable to repairmen. Here on such a steering system that in the figure, a purely hydraulic and “old-old” system, one could not be afraid of this
“Twisting the steering wheel”, there, after working with the steering system or with the suspension, you just had to put the steering wheel in the right position.

EPS is an electronic-mechanical system, and as for any electronics, electronic brains always need to start from something, that is, always be in the “correct coordinate system”. For an EPS system, this is a zero point, “zero, starting position.” If for some reason the zero position is knocked down or incorrectly set, then the system will not work.

It was this mistake that was on the car. The scanner showed that the control unit simply “does not see” the zero position, it is knocked down. The “Hyundai EPS” photo shows the same unit that caused the error.

Hyundai EPS system 3

I had to set the correct position with my hands and with the scanner. Disconnect, twist, set. Then I checked. Happened. When the steering wheel was rotated all the way left and right, an error did not occur. As a suggestion, IMHO: after the accident, the car was repaired, some work was done with the suspension or steering, and when everything was assembled back, we just forgot to do everything right. it happens.

In conclusion, I want to share some links on the topic. When you watch live – it’s more clear.

Application:
EPS Prius http://www.autodata.ru/autodata.ru/eps_prius.pdf
Failure power steering http://spokoino.ru/articles/obslugivanie_avto/vov_ycilitel_rylya/
http://www.youtube.com/v/R3uKFcLUCQU?fs=1&hl=en_RU
Basic Steering Gear Operation http://www.youtube.com/watch?v=B7Ar1VxE4JU&feature=related
Steering
http://www.youtube.com/watch?v=PLpv8a-Ffo0&feature=related
Power steering:
http://www.youtube.com/watch?v=u6VdDvQEwEA&feature=related
Hyundai Power Steering (MDPS) http://www.youtube.com/watch?v=G1S9LhNsN8I
Electric power steering
http://www.youtube.com/watch?v=0clITJwG-qU&feature=related
Electric power steering EPS
http://www.youtube.com/watch?v=ECUoL5SpOoE
Power steering animation
http://www.youtube.com/watch?NR=1&feature=endscreen&v=KY8Ky_H4vv0
http://www.youtube.com/watch?v=KY8Ky_H4vv0&feature=related
Comparative analysis of the possibilities of using Hall sensors in automotive electric steering systems
http://www.kit-e.ru/assets/files/pdf/2007_05_36.pdf

understood the malfunction

Belov Sergey Alexandrovich

Moscow region, Losino-Petrovsky
You can call during business hours:
8 – 903 – 774 – 11 – 82

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Genesis is designed on rear-wheel drive architecture. Thanks to this, the developers managed to achieve an almost ideal mass ratio between the rear and front of the machine. Non-standard body assembly technology is noteworthy. Its elements are not only welded, but also glued.

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When inspecting the cabin, it immediately becomes clear that this is a premium car. The interior is luxuriously decorated, the upholstery is made of soft leather, some of the elements are decorated with inserts of expensive wood and polished metal. The driver’s seat is provided with ventilation, heating, a change of position is carried out using an electric drive in twelve directions.

Seats for passengers are decorated no less comfortable. The rear sofa can be moved longitudinally, between the passengers you can lower the armrest, which displays the controls of the information system and climate equipment. Personal items, glasses, documents are placed in special niches. During the movement in the cabin you can not hear the noise of the street, the sounds of the engine. Windows, sunroof, curtains on the rear windows open with an electric drive.

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Kia and Hyundai: comparison 31

In the modern world there are a huge number of vehicles. Among them, each buyer can choose what he really needs. There are exclusively female options, there are family cars for city trips along narrow streets, and wide SUVs. In addition to pricing and targeting, there are a huge number of brands. Every country tries to succeed in this industry. Some do not succeed, while others succeed to a greater extent. Korea is famous for its approach to precise mechanisms, including vehicles. But among the manufacturers of this country there are competitors. So, for many years now, the Kia and Hyundai brands are considered to be inveterate rivals. Despite the confrontation, these cars have gained great popularity not only in the Asian and American, but also in the European markets. In recent years, manufacturers have even tried to work closely together. At the same time, it becomes very difficult for the ordinary consumer to make a choice, and to give preference to any of these brands. Today we consider the positive and negative sides in Kia and Hyundai, as well as their main features.

It should be noted that for each released Kia model, Hyundai has its own analogue, similar in characteristics and design. Of course, one of the most popular models can be identified Kia Rio and Hyundai Solaris. These are one of the most practical and affordable analogues for every user. A few years ago, the pricing and technical policies of these models absolutely coincided. But everything changed when the updated Kia Rio entered the world. Exterior design has become more adapted to youth society. In addition, bright accents and details have appeared. But external attractiveness sometimes does not always determine the outcome of a battle. If we talk about the internal content, then a greater choice provides all the same Hyundai Solaris. Here you will find both automatic and manual gearbox, engines of various volumes, additional equipment. Unfortunately, Rio cannot boast of such a variety. If we turn to the cost policy, then initially Hyundai Solaris has a slightly lower price in the initial equipment than the representative of Kia.

Let’s look at a comparison of other Hyundai i30 and Kia Ceed models. Again in price competition Hyundai comes to the fore. The price of Kia is a little overpriced, but there is one thing but. In this pair, Kia provides a wide selection of body styles – this is a hatchback, wagon, and sports orientation. In technical terms, both manufacturers have succeeded in producing complete sets with engine volumes of 1.4, 1.6 liters, an automatic and manual gearbox. In addition, both have a gasoline and a diesel engine. After analyzing all the data, the scales are still slightly larger when choosing lean towards Kia Ceed.

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