Subscribed 833K views 7 years ago Suspect a faulty throttle position sensor for engine problems? Look no further. In this video I will explain how a (TPS) Throttle Position Sensor works, how The TPS is typically located on the throttle body, which is connected to the intake manifold. Its precise location may vary depending on the make and model of the vehicle, but it is commonly found on the side of the throttle body, opposite to where the throttle cable is connected. Locate the throttle position sensor. On most Toyota Corollas, the throttle position sensor (TPS) is located on the driver's side of the engine bay near the base of the throttle body. Connect test equipment. Connect a multimeter to the terminals of the throttle position sensor to measure resistance across the TPS. Check the throttle angle. Where is the TPS sensor located? The vehicle motion sensor is located directly on the throttle body in 99% of vehicles. It is located on the throttle axis opposite the spring that resists when you press the accelerator pedal. What Is a Throttle Position Sensor? This vital sensor allows your engine to maintain a proper amount of air. This feature is dependent on the throttle valve. When you press down on the gas pedal, your throttle body unit's valve opens. This causes your throttle position sensor to adjust the engine intake manifold accordingly. A throttle position sensor (TPS) is a sensor used to monitor the air intake of an engine. The sensor is usually located on the butterfly spindle/shaft, so that it can directly monitor the position of the throttle. More advanced forms of the sensor are also used. TPS is usually located on the throttle valve spindle so that it can directly monitor its position. The TPS sensor is a potentiometer, providing a variable resistance depending on the position of the throttle valve (and hence throttle position sensor). The sensor signal is used by the engine control unit (ECU) as an input to its control system. The throttle position sensor (TPS) is an essential part of your vehicle's fuel management system, tasked with ensuring that a precise blend of air and fuel is routed to your engine. This sensor works in tandem with others sensors to optimize acceleration, cruising speed and fuel economy. Y2Vz.