K20 K Series Throttle Position Sensor TPS For Honda Acura CR-V Type S K24 2.0LK20 K Series Throttle Position Sensor TPS For Honda Acura CR V Type S K24 2. 0L The function of the throttle position sensor, aka TPS, is to supply information to the car's computer about the position of the car's throttle. It contains electro mechanical moving parts which are prone to wear and tear, which eventually add to the cost of car repairs. Malfunctioning of a TPS can result in improper data being fed to the car's computer, which monitors