Automatic transmission selector sensor Toyota Corona
Location:
*Located on the gearbox housing.
* Located next to the automatic transmission selector lever.
Function:
* The function of the automatic transmission selector sensor is to determine the position of the selector lever and transmit this information to the automatic transmission control unit (TCU).
Types of automatic transmission selector sensors on Toyota Corona:
* Mechanical sensors: Used in early Corona models. They operate through a direct mechanical connection to the selector lever.
* Electronic sensors: Used in newer Corona models. They operate via electronic impulses and do not have a direct mechanical connection to the selector lever.
Possible malfunctions of the automatic transmission selector sensor:
* Incorrect signal about selector position
* Stuck or faulty sensor
* Worn or damaged contacts
Symptoms of a faulty automatic transmission selector sensor:
* Incorrect automatic transmission gear shifting
*Transmission does not shift into certain gears
* The automatic transmission selector position indicator does not correspond to the actual position
* Automatic transmission fault indicator lights up
Diagnosis of a faulty automatic transmission selector sensor:
*Diagnostic Trouble Codes (DTC) for automatic transmission
* Visual inspection of the sensor and wiring
*Checking sensor inputs using diagnostic equipment
* Checking the sensor output using a multimeter
Replacing the automatic transmission selector sensor:
* Disconnect the negative cable from the battery.
* Remove the automatic transmission selector sensor cover.
* Disconnect the electrical connector of the sensor.
* Remove the sensor mounting bolts or screws.
* Install a new sensor.
* Tighten the mounting bolts or screws.
* Connect the electrical connector of the sensor.
* Install the automatic transmission selector sensor cover.
* Connect the negative cable to the battery.