July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Electric Throttle Control Actuator: Outline
WARNING: This page is about a different car, the 2013 Infiniti M56. However, it is still accessible from the selected car via links, so may be relevant.
Electric throttle control actuator consists of throttle body, throttle valve, throttle control motor and throttle position sensor.
Fig 1: Electric Throttle Control Actuator Communication Diagram