Toyota Scion Vehicles - 1.8L L4 Engine - Corolla 2011-2019 Corolla iM 2017-2018 Matrix 2011-2014 iM 2016. Throttle Body. Type: Throttle Body. Throttle Body 1. - What is throttle body?. A throttle body is a butterfly valve located between the air intake filter and the intake manifold.
