Shut Down Signal Circuit [10/2022 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus RX 350h, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
The cause of the malfunction may be a shutdown signal.
Check whether there is a shutdown signal +B short circuit.
RELATED PARTS CHECK
| Area | Inspection |
|---|---|
| HSDN terminal | Check that the HSDN terminal voltage decreases to check for an open or short circuit while READY off (IG ON). |
| Hybrid vehicle control ECU, inverter, wire harness | Check for open or short circuit in hybrid vehicle control ECU, inverter and wire harness. |