DTC P2100-18: Throttle Actuator "A" Control Motor Circuit Current Below Threshold; DTC P2100-19: Throttle Actuator "A" Control Motor Circuit Current Above Threshold [03/2023 - ]: Wiring Diagram
WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.