DTC P1235: High Pressure Fuel Pump Circuit; DTC P1236: High Pressure Fuel Pump No. 2 Circuit [11/2021 - ]: Wiring Diagram

WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. However, it is still accessible from the selected car via links, so may be relevant.