DTC P2111: Throttle Actuator Control System - Stuck Open; DTC P2112: Throttle Actuator Control System - Stuck Closed [12/2015 - 08/2016]: Wiring Diagram
WARNING: This page is about a different car, the 2016 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P2102 (Refer to WIRING DIAGRAM ).