Power Source Mode does not Change to ON (IG) [10/2022 - ]: Description
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.
If the engine switch is pressed with the electrical key transmitter sub-assembly in the cabin, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode.
RELATED DATA LIST AND ACTIVE TEST ITEMS
| Problem Symptom | Data List and Active Test |
|---|---|
| Power source mode does not change to on (IG) but does change to on (ACC) | Power Source Control
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