DTC B13AE-7F: Front Control Rear Air Mix Damper Control Servo Motor Actuator Stuck Off [10/2022 - ]: Wiring Diagram
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.