How to diagnose the car with your own hands. Diagnosis of the car with your own hands. How to independently perform car diagnostics.

The main condition for the prolonged and trouble-free functioning of the vehicle is a systematic verification of key systems and timely liquidation of problems as they occur. And if earlier the definition of the breakdown occupied a mass of time and had a small accuracy, the use of new technologies allowed us to quickly determine and troubleshoot. About this further in the article.

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How to diagnose the chassis of the car with your own hands?

Responsible attitude towards the technical condition of the car makes it possible to significantly extend its shelf life. With the wear of individual parts or the presence of breakdowns riding a car becomes uncomfortable, and sometimes even dangerous. Experienced auto mechanics advise to check the state of the running part every 25-30 thousand km. Run. But if there is a foreign knocking or scruff when driving, the diagnostics must be performed immediately.

Diagnosis of the chassis of the car includes:

Checking the rear and front suspension. When diagnosing suspension, check the state of depreciation, supporting cups and levers.
Diagnostics of the steering. The controllability of the car on the road depends on the operation of the functioning of the steering rack and the hydraulic agent. Ball supports and steering tips are checked.
Analysis of the braking system. It is necessary to determine the state of all its components: brake discs, pads, hoses and drums.

Also during the work, you should check the main nodes of the chassis - the rear and front wheel drives. If the hub bearings are removed, the wheels, weakening the mounting of the rod stabilizer of transverse stability to the car body and other similar problems, damaged components are removed.

How to diagnose car suspension?

Car suspension is responsible for driving safety. Any malfunction is able to entail an emergency, damage to the body or the impossibility of further movement. One of the most frequent symptoms of breakage or wear parts of the suspension is a creak, crunch and knock.

The easiest way to check the suspension, which was used for several decades ago, the owners of Volga, Muscovites and Zhiguli: a car routing in order to verify the integrity and serviceability of shock absorbers. She had to make 1.5 pitching. However, in our time, such methods are ineffective. More modern ways - checking the suspension on the vibrite and computer diagnostics. Another method of checking the suspension is to inspect all its components.

The first and important feature of this process is the need to inspect the brake system. Disks, pads and other elements are also responsible for safety, and their location makes it possible to diagnose simultaneously with the suspension. Often the front suspension is checked primarily, as most important mechanisms and nodes are concentrated in it. In addition, the front suspension is first assumed to strike, which means damage can be much stronger than on the back.

First check the integrity of the anthers and covers. If the rubber element is torn, then the node that it protects is damaged. Therefore, it needs to be replaced. Next, check the shock absorbers. Here it is necessary to make sure the integrity of the elements and the absence of oil leaks. Oil collapse on shock absorbers is allowed, but if there are sublifting, this is the first sign of a malfunction.

Then examine the springs to be integer. The presence of chip or cracks on their surfaces, changes in the landing of the body means that it will soon have to replace this part of the suspension. After that, check the ball supports. They are checked by mounting in a suspended state. If the swaying down and up give a tangible movement for the hand of the checking, it means there is damage.

Also examine silent blocks. It is important that they are not deformed and there were no detachants and cracks. Click on silent block mount. It is important that at the same time there is no tangible movement. Do not forget to check the health of the supports of stabilizers and the bearings of the upper supports. After that, check the steering craving, for which you need a partner. One turns the steering wheel, and the other under the car checks the strength and integrity of the attachments and tip.

How to diagnose a car using a laptop?

The car diagnostics through a laptop is a procedure at which error codes are read on different nodes of the car. Thanks to high-tech equipment and modern software, even minimal changes in the operation of different engine systems, transmissions or chassis can be defined.

To date, the computer diagnostics of the car is often performed in order to reconfigure the control unit. This is done to improve the work of various mechanisms and TC units. Thanks to the use of additional plug-ins and modern software, the car owner can:

Increase or reduce the number of turns of XX.
Adjust the feed of fuel.
Configure automatic verification in the presence of faults or deviations in the operation of systems.
If there are plugins, it is possible to program the autoelectronics interface.

How to make computer diagnostics yourself?

So that the computer diagnostics of the car gave results, it is necessary to properly prepare for it. To date, there are many devices for testing autosystems. This is due to the fact that each modern car is computerized and sooner or later will require diagnostics. The car owner should know where the diagnostic connector is located. As a rule, it is located under the instrument panel in the steering area.

For testing it is desirable to apply a scanner. This device is needed to contact the control unit and read error codes. Using the scanner, you can remove the required readings of sensors and car control systems. The scanner allows you to check the performance of the executive sites. In addition, each car needs a special adapter. You can buy a universal device that is suitable for different car brands.

If you do not have a scanner, you will need:

Notebook.
Adapter. You can use a specific adapter specifically for your car or a universal device. For example, K-Line devices are common among our car enthusiasts, as they make it possible to connect to most imported and domestic cars. A special cord or wire for synchronizing the adapter and a laptop should go to the adapter. If there is no cord, it is impossible to connect the PC.
Software. On the Internet you can find a lot of different programs. Some of them are oriented only under specific car models, others are universal. It is better to choose the software only under a certain car brand, as it is initially programmed to work with a specific on-board computer.

How to diagnose a car using the phone?

Programs for the car diagnostics using a mobile device operating on the Android platform, quite a lot, so there will be no problems with the choice. Practice shows that most motorists use the Torque Pro utility. In fact, the modern phone is the same PC. The main difference between the diagnostics on the smartphone is the communication procedure with the device. Communication is performed via Wi-Fi or Bluetooth. Therefore, you need to open this communication channel on the phone and turn on the ignition, after which you start scanning errors.