Recommendations for installing the EUR on the Lada Granta. List of faults and ways to eliminate them

Cars of the Lada Grant family are equipped with power steering as standard. Electromechanical power steering (hereinafter referred to as EPS) is installed individually by the owners.

Electromechanical power steering

ESD is a relatively new development of modular control, which, like power steering, has advantages and disadvantages.

Operating principle of the EUR

Every time you turn the steering wheel, the torsion shaft twists. Information about this process is transmitted from the torque sensor to the control unit online.

Based on the information received, the electronic control unit (hereinafter referred to as the ECU) accumulates information and reads readings from other sensors. The ECU transmits a signal to the electric motor, which increases the torque of the steering rack shaft by activating the electric motor.

Information is processed so quickly that tenths of seconds pass from the moment of transmission to the moment of reading.

Grant instrument pinout - dashboard diagram

This part is the most difficult. The large number of pins and the miniature size of the terminals greatly complicates the search for the required group:

• 1/2 – connecting blocks for the front electrical harness;
• 3/4 – similar for the feed harness;
• 5 – lighting control unit;
• 6 – ignition switch module;
• 7 – on-board computer;
• 8 – lever for switching the position of the wipers;
• 9 – tidy;
• 10 – control of emergency modes;
• 11 – cargo compartment lid lock;
• 12 – diagnostic connector;
• 13 – block for the air intake drive;
• 14 – button to turn off the heated rear windshield;
• 15 – emergency contact;
• 16 – brake light switch;
• 17/18 – contact group – output to radio equipment (radio tape recorder);
• 19 – rotating equipment module;
• 20/41 – driver/passenger airbag drive;
• 21 – horn power supply;
• 22 – mounting block group;
• 24 – cigarette lighter group;
• 25 – backlight for stove control;
• 26 – interior lamp;
• 27 – contact group of the ignition switch;
• 28 – controller;
• 29 – incoming connector to the rear of the on-board network;
• 30 – electronic part of the gas pedal;
• 31 – additional resistor;
• 32 – stove motor;
• 33 – heater switch block;
• 34 – door lock module;
• 35/36 – cooling system head fan relay;
• 37 – compressor relay wiring;
• 38 – additional relay or reverse indication coil;
• 39 – air conditioner switch button;
• 40 – automatic transmission drive;
• 42 – evaporator thermometer;
• 43 – output to the rear wiring harness.

Possible malfunctions of the EUR on the Lada Grante Liftback (Sedan)

Review of prices of manufacturers of electric power steering for the Lada Granta

*prices are current as of October 19, 2018.

List of online stores, addresses of companies providing services

Related link:

Crash test Lada Granta Liftback

Reviews of companies

• Vasily: six months ago I installed a servo drive on Grant at the A1-Motors service station. The guys did everything quickly and professionally. My recommendations.
• Ivan: after buying the Lada, I replaced the power steering with an electric steering system. I ordered the work from the service station “Auto Service on Sedova”. New equipment, many repair boxes, work professionally.
• Innokenty: comrades recommended installing an EUR. I bought it at the Motel Varshavsky parts store. Good quality, reasonable prices, bonuses when purchasing.
• Vladlen: I drove the power steering for two years and decided to switch to the electric power steering. They advised to buy from Expert-Auto. Six months have passed since installation, no complaints, my recommendations.
• Vyacheslav: I’m leaving my positive review about the auto parts store “Spare Parts on Wheels”. Professional advice, reasonable prices, friendly staff.

Let's sum it up

Having an electrical diagram of a Lada Granta car at hand will not be superfluous for any owner. Such information potential can provide invaluable assistance in the event of a malfunction, which is especially important for cases on the road.

To control engine speed, you can use either an additional speed sensor installed between the gearbox and the speedometer cable, from a fuel-injected vehicle. It consists of a sensor with wires and a block, screwed onto the cable drive on the box. And the cable is already screwed into it. Or the second option: this is a device - a speed sensor simulator, used by athletes to quickly control the moment of effort

Retail price in Tolyatti is 1200 rubles.

To control the speed, if the car has a carburetor, then the wire that goes to the tachometer, or if there is no tachometer, then to the ignition coil contact opposite to terminal “B”, it is necessary to assemble a device on an optocoupler -

assemble it according to this scheme

Or use the same simulator as in the photo above...

A small addition - painting of the wires of the bundle, which is on sale

On cars with electronic ignition (switch and hall sensor), it is possible to connect directly to the hall sensor and connect to the tachometer wire through a resistor. Here choose which option suits you or which one will be more convenient and easier. Details in the picture below.

Due to the transfer of the site and the impossibility of correctly transferring comments, the questions and answers you asked from the moment the article was published are further in text form:

0 # viktor 03/21/2011 12:29 Thank you for your help. The question still remains - is it possible to turn off the speed sensor, say with a toggle switch? Quote

0 # Administrator 03/21/2011 12:35 It’s possible, but in this case the amplifier will always work, and this is not entirely correct... Quote

0 # sbr 03/22/2011 07:27 pm Sorry for the stupid question. It turns out that instead of a tachometer on a carburetor car (2105), we connect to the ignition coil through this thing (TLP521-1) and that’s it? will everything work? Quote

0 # Administrator 03/23/2011 08:27 exactly like that