DTC P0703-12: Brake Switch "B" Circuit Short to Battery [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.
Refer to SFI system DTC P0504-2B.
Refer to DTC P0504-2B: Brake Switch "A"/"B" Signal Cross Coupled [10/2022 - ]