Automatic transmission sensors Toyota Corolla 120 body:
Automatic transmission speed sensor:
* Located on the automatic transmission housing next to the speedometer drive.
* Controls the speed of rotation of the automatic transmission output shaft and transmits information to the engine control unit (ECU).
Throttle Position Sensor (TPS):
*Located on the throttle body.
* Monitors the throttle position and transmits information to the ECU.
Automatic transmission selector position sensor (PRNDL):
*Located on the gear lever.
* Monitors the position of the automatic transmission selector and transmits information to the ECU.
Automatic transmission temperature sensor:
* Located on the automatic transmission pan or in the oil channel.
* Monitors the automatic transmission oil temperature and transmits information to the ECU.
Automatic transmission pressure sensor:
* Located on the automatic transmission housing or in the oil channel.
* Monitors the oil pressure in the automatic transmission and transmits information to the ECU.
Engine speed sensor (RPM sensor):
*Located on the engine near the flywheel.
* Controls engine speed and transmits information to the ECU. This sensor is used for both engine and automatic transmission operation.
Knock sensor:
*Located on the engine cylinder block.
* Monitors engine detonation and transmits information to the ECU. This sensor is also used for both engine and automatic transmission operation.
Oxygen sensor:
*Located in the exhaust system.
* Monitors the oxygen content in the exhaust gases and transmits information to the ECU. This sensor is primarily used to control the engine, but can also affect the operation of the automatic transmission.