Typical Enabling Conditions
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.
| All of the following conditions are met | - |
| Write Inhibit | permit |
| Time after Write status forbiddance to permit | 0.5 seconds or more |
| Ignition switch | ON |
| Time after ignition switch is off to ON | 0.5 seconds or more |
| Engine stop and start ECU internal starter relay circuit fail (P1644) | Not detected |
| Engine stop and start ECU internal high side switch for starter relay | ON |
| Engine stop and start ECU internal low side switch for starter relay | ON |