What is the use of the gear sensor? The phenomenon of malfunction of the gear sensor

The gear position sensor is also called the gear position switch sensor. It is generally equipped with automatic gear models and is used to detect the gear position signal.There are multiple contacts on the gear sensor, when the carShiftWhen the contact is moved to the corresponding gear position, the voltage value changes, the gear position sensor detects the shift signal, and transmits the signal to the transmission computer to control the corresponding executionYuanPieces of work.

Before the vehicle starts, the gear is in the P or N gear. If the gear sensor fails, if the gear sensor is broken, the transmission computer cannot distinguish the specific gear, the gear will be misaligned, and the car will not start. Even if it can be started, abnormal gear shift signals may be input during driving, which may cause large driving jerks and affect driving comfort.

Failure phenomenon of gear sensor

1. The meter cannot display the correct gear;

2. The vehicle cannot be started;

3. The car cannot shift gears normally;

4. There is a sense of frustration in the lifting gear;

5. Weak acceleration and jitter.