If the sensor is provided in the car system, then it should work. The reason for incorrect readings of the device responsible for measuring the temperature outside can be either problems with the car’s wiring or a breakdown of the car itself. Let's figure out what the outside air temperature sensor in a VAZ-2114 car affects.
Installation of external air t* sensor (ADTV)
Installing an outside air temperature sensor.
The automotive world is improving and developing rapidly every year, bringing unique innovations to the characteristics of the car, providing comfort and convenience to its owner. So the AvtoVAZ company equipped its latest models of VAZ-2110 cars with additional on-board computers - DTVV. But the next model of the VAZ-2115 car was equipped with a VDO dashboard, which already came with 2 windows, which made it possible to display the temperature regime directly on the instrument panel itself.
Today, the following options for installing DTVV on the VAZ-2110 car model are known and quite successfully used:
- • First of all, you need to figure out which air temperature sensor is the most optimal in this case. Among the popular devices is DTVV, catalog number 2115-3828210-03 (price range 200-250 rubles).
- • To make sure that it is working properly, you can use a simple technique (test): by heating or cooling the sensor itself, its resistance values will also change in accordance with the instructions supplied with it.
So, the primary question that arises when installing the sensor is:
Where should the DTVV be located?
In accordance with the instructions, the DTVV must be isolated from dampness and direct exposure to sunlight must be minimized. Also, the accuracy of the sensor readings is negatively affected by heat from the engine compartment. As an exception, it is allowed that the flow of oncoming air directly impacts the sensor itself.
Having compared all the conditions, a suitable location for the sensor is the front of the car (behind the front bumper in the center), as well as near the towing eye (in the bumper or slightly above the bumper on the left in the direction of travel).
You should know that if you install the DTVV in the rear of the car, the temperature readings will differ significantly from the actual temperature. Because the warm air coming from the engine is directed towards the rear of the engine.
The sensor is equipped with 2 contacts: one goes to ground, and the second signals temperature changes. It is advisable to make such information contact into the car interior through the corresponding hole near the fuse box.
Having carried out the above steps, you can proceed to connecting the DTVV to the VAZ-2110 trip computer.
Having selected the desired model of on-board computer, it is recommended to carefully study all the documentation related to its connection.
The manufacturer equips VAZ-2110 cars with an on-board computer of the MK-2112 brand or AMK-211001 brand.
Based on the instructions in the instructions, the second contact of the DTVV should be connected to contact C4 on the MK block. As for the wire extending from contact C4, it must be removed and reliably insulated.
If there is no DTVV or if the circuit is broken, the following symbol “- -” will appear on the on-board computer display.
When connecting the sensor to on-board computers such as State, Multitronics and Gamma, it is recommended to adhere to the attached diagram included in the kit. To eliminate errors in temperature readings, a temperature calibration function was provided, but, unfortunately, not all models of on-board computers have it.
Second option: connecting DTVV to a VDO panel with 2 displays.
Mostly luxury VAZ-2115 models have a VDO instrument panel with 2 displays. The connection process is as follows: the wire coming from the sensor must be connected to the red block X2, which is located on the instrument panel in socket No. 1.
If this socket already contains another wire, then these wires must be combined. If the display of the VDO panel shows -40, then you need to pay attention to the integrity of the circuit between the sensor and the panel (if there are any breaks).
Another interesting nuance: when connecting the DTVV, it is simultaneously possible to create an original backlight for the VDO panel, as well as change the color of the screens.
Source
Why does DTNV break down?
The main difficulty for novice drivers is the search for a device. The manufacturer has hidden the mechanism in such a way that sometimes experienced drivers are not immediately able to detect the DTNV. The controller itself is reliable, but breakdowns often occur.
see also
The most common reasons for its breakdown:
- from being hit by crushed stone while driving;
- critical temperature level (often breaks down during severe frosts);
- damage to wires;
- oxidation of contacts.
The driver may not notice for a long time that the ambient temperature sensor of the VAZ-2114 has failed. The system will not generate any signals if there is a small difference between the actual air temperature and the air temperature displayed by the sensor. However, with large deviations, when in the summer the display shows sub-zero temperatures, serious troubles will arise.
The resistance in the circuit will increase, and the control unit will perceive this information as an urgent need to increase the amount of fuel supplied to the cylinders. Ultimately, your gas mileage will increase.
External temperature sensor VAZ 2112 16 valves where is it located
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Good Hour everyone! —- I decided to use the option of the standard computer (already included in the “luxury” (hehe) package of 2112 2000) computer and start determining the temperature outside during the flight. The only question is: how. on the website https://lada112.h11.ru/help/datchik_t.html it seems to be written, I read it on the forum, but I still don’t understand:
1 - Is the sensor from 2115 suitable (I’ve only seen this one in R..b stores, etc.)? If this is him, then, fidimo, you need a special chip, because... it has some needles sticking out, not wires, as you can understand on the above-mentioned site.
2 - Under the hood on the right (near the corrugated air intake) I found an unused chip (standard, not suitable for sensor 2115) - this is not the standard wiring.
I realized that you are from Moscow. Link www.autoelectro.ru This is in Chertanovo. They make the BC Pravda Navigator there. Separately, I bought a temperature sensor there with wires and chips for 100 rubles. Two wires are connected to the standard BC connector, one to the diagnostic block. The sensor itself is sealed and it is recommended to attach it to the towing eye.
Thank you. Only I already have BC installed. The only sensor with other wiring is needed, apparently.
But still on the topic: what kind of chip is hanging out (maybe something important has moved away, but I don’t know?!), maybe it has already been routed to the sensor. - And your sensor is different from the “fifteenth”.
Tell me how to stretch the wire from the BC to the temperature sensor to the bumper?
Unfortunately, or maybe fortunately
