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Power Source Mode does not Change to ON (IG and ACC) [08/2019 - ]: Wiring Diagram

WARNING: This page is about a different car, the 2021 Toyota Tundra and 2020 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Certification ECU Wiring Diagram (1 Of 3)
GTY925758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Certification ECU Wiring Diagram (2 Of 3)
GTY944228Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Certification ECU Wiring Diagram (3 Of 3)
GTY910618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002