DTC P2100-18: Throttle Actuator "A" Control Motor Circuit Current Below Threshold; DTC P2100-19: Throttle Actuator "A" Control Motor Circuit Current Above Threshold [12/2023 - ]: Wiring Diagram
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.