DTC C146C: Open Circuit in ABS Motor Relay Circuit; DTC C146D: Short Circuit in ABS Motor Relay Circuit [04/2018 - ]: Wiring Diagram

WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.