Throttle Position Sensor: Description and Operation

Typical Throttle Position Sensor (TPS) Wiring:

Throttle Position Sensor:

PURPOSE
The throttle position sensor is part of the computerized engine control system, and relates the throttle open position to the ECM.


OPERATION
The throttle position sensor is part of the computerized engine control system, it relates the throttle open position to the ECM. For complete information, refer to COMPUTERIZED ENGINE CONTROLS


LOCATION
The throttle position sensor is mounted on the side of the throttle body opposite the throttle lever.