2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:42
The position sensor of such a part as the crankshaft can rightfully be called the main element in a car that functions on a par with the engine. The main task of this type of sensor is to control fuel injection, synchronize fuel resources and the entire ignition system. That is why, if any failure occurs in the operation of such a part, then the machine simply cannot be "activated", and the motor does not turn on. Also, as you move, the position sensor regulates the distribution of fuel, informs the driver about the frequency of rotation of the crankshaft, continuing to synchronize the operation of the motor itself. Such sensors come in different types, they all work according to different principles, which, first of all, depend on the model and technical features of the machine.
The most common is an inductive (or magnetic) crankshaft position sensor. It functions due to the fact that a magnetic field is formed around it (hence the name of the mechanism), which interacts with the synchronization tooth. This type of sensor is also used by many drivers as a speed indicator sensor.the car is moving. It is easy to use, highly resistant and unaffected by external factors. The second type of sensor is the Hall effect, which is also based on the interaction of teeth with a magnetic field. This sensor is often used as an indicator of the ignition distributor. A more advanced and relatively new type of sensor is optical, which is based on the conversion of light flux into a voltage pulse.
The position sensor, whatever it may be, is mounted to the on-board circuit using a long wire. It, as a rule, has the same equipment as any other automotive sensor. Therefore, no one should have problems with mounting it. However, it should be noted that when attaching the crankshaft sensor, it is necessary to leave a gap of 1 to 1.5 millimeters between it and the toothed pulley, since otherwise this mechanism will not be able to form the necessary magnetic field, therefore, the position sensor will not work.
The crankshaft position sensor can be damaged if the repair was carried out by an amateur (and auto parts were mistakenly affected). Also, the cause of a breakdown can be the ingress of foreign objects into the gap between the teeth and the sensor itself, which will lead to a stop in its operation. The situation can be corrected only by replacing this device with a new one. That is why it is advisable to always have a spare sensor with you, which can be installed at any time.
To orderto determine in advance whether the position sensor in the machine is working, you just need to connect an ohmmeter to it and measure the resistance. If its performance fluctuates between 800 and 900 ohms, then the mechanism is normal. Otherwise, such a sensor simply will not be able to function, and any driver will immediately see an alarm. As a rule, a sensor operation error is displayed as code number 35 or 19 in the system control buffer.
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