DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control [08/2015 - 10/2016]: Wiring Diagram
WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
Refer to DTC P0115 (Refer to WIRING DIAGRAM ).