Rear Shut Down Signal Circuit [09/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
The cause of this malfunction may be a shutdown signal.
Check whether there is an open circuit or a short to +B in the shutdown signal circuit.
RELATED PARTS CHECK
| Area | Inspection |
|---|---|
| SDNR terminal | Check that the SDNR terminal voltage decreases to check for an open or short circuit while READY off (IG ON). |
| Hybrid vehicle control ECU assembly, EV motor control inverter assembly, wire harness | Check for open or short circuit in hybrid vehicle control ECU assembly, EV motor control inverter assembly and wire harness. |