Automatic transmission speed sensor Mazda Premacy (2000 onwards)
The automatic transmission speed sensor plays an important role in the proper functioning of the vehicle’s automatic transmission. It transmits information about the speed of rotation of the automatic transmission output shaft to the electronic control unit (ECU). Based on this data, the ECU regulates the operation of the automatic transmission, shifting gears at optimal moments.
Location:
For the 2000 Mazda Premacy, the automatic transmission speed sensor is located on the driver’s side of the transmission housing. It is usually secured with two bolts.
Working principle:
The automatic transmission speed sensor is an inductive sensor. It generates electrical impulses, the frequency of which is proportional to the speed of rotation of the automatic transmission output shaft.
Malfunctions:
A malfunction of the automatic transmission speed sensor can lead to the following problems:
* Incorrect gear shifting
* Gear stuck
* Unstable engine operation
*Check Engine light comes on
* Automatic transmission emergency operation mode
Replacement:
Replacing an automatic transmission speed sensor is a relatively simple procedure. This requires:
1. Disconnect the negative terminal of the battery.
2. Find the automatic transmission speed sensor on the gearbox housing.
3. Disconnect the electrical connector of the sensor.
4. Unscrew the two bolts securing the sensor to the automatic transmission housing.
5. Remove the old sensor and install a new one.
6. Tighten the fastening bolts.
7. Connect the electrical connector.
8. Connect the battery terminal.
Original part number:
The original part number for the automatic transmission speed sensor for Mazda Premacy 2000 is FS01-21-111.
Analogues:
There are similar automatic transmission speed sensors from third-party manufacturers. However, before purchasing them, you need to make sure they are compatible with your car.