Applies a phase sensor for VAZ-2114 car to adjust the ignition timing and injection timing of fuel. With it, the electronic engine control unit records information on the frequency of rotation of the camshaft. The second name of the device – the CMP sensor. First, the VAZ-2114 began to use in 2007, before the control system is operated with one sensor of the crankshaft. But the use of additional devices allows to achieve maximum power and minimum fuel consumption.
Sets the device opposite the camshaft gear. It is one of the tooth – it is by such simple features is impossible to capture the speed. Sensor phase operates due to the Hall effect, as a similar device distributors ignition contactless type. From the sensor signal is applied to the input of the electronic control unit – there is the transformation and selection of operating parameters.
All actuators begin to work strictly on the fuel map embedded in the memory of the control unit. In case of breakage of the sensor of phases on VAZ-2114 there is a transition in the operation in emergency mode – use only the signals from a device mounted on the crankshaft. The engine efficiency and power drop, increased fuel consumption.
If you have errors sensor phases VAZ-2114 (Р0343 or P0340), you need to check its performance. First – a visual inspection for the presence of mechanical damage. Second – to check all power and control. The sensor of phases on the fourteenth fails for the following reasons:
To identify most of the damage, just visually inspect the device. But in some cases you will need a multimeter – this is enough to diagnose the system.
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To Put a clear diagnosis, if the diagnosis. A symptom of the phase detector VAZ-2114 characteristic failures of other nodes. Here are the main:
As mentioned earlier, emergency mode, characterized in that the entire system works exclusively on the data coming from the sensor on the crankshaft.
In this mode, you can implement a phased injection of the fuel mixture, only a couples manage to realize. The result – a strong increase of the fuel consumption and decrease in dynamic characteristics of the vehicle. To repair the sensor it is impossible, will only complete replacement. The cost of the new device in stores is about 500 rubles.
Before replacing the sensor of phases on VAZ-2114, it is necessary to diagnose the old one. It is possible that the cause of failure lies in the wires connecting it to the electronic control unit. On the car VAZ-2114 engines are installed with 8 or 16 valves. The sensors are used are also different.
For diagnostics only need a multimeter. The procedure of checking the sensor on the V8 engine looks like this:
On the motors V16 diagnosis is slightly different – in conclusion “In” initially, the voltage should be 0.4 V, and under the influence of a metal object, it rises to 0.9 V.
Is the device on the right side of engine, near the air filter housing. The mount is made with a single bolt. To replace the sensor of phases on VAZ-2114, you must disconnect the battery and disconnect connector.
With a key of 10 you need to Unscrew the bolts that secure the sensor, then remove it. New is in the reverse order. Be sure to clean all surfaces adjacent to which the device – getting metal shavings or dust can cause the sensor to stop working. After replacement, start the engine and check it out - the errors should disappear.
Article in other languages:
AR: https://tostpost.com/ar/cars/20999-vaz-2114.html
HI: https://tostpost.com/hi/cars/22625-2114.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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