DTC P0013: Camshaft Position "B" Actuator Circuit / Open (Bank 1); DTC P0023: Camshaft Position "B" Actuator Circuit / Open (Bank 2) [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.