Typical Malfunction Thresholds
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
| Either of the following conditions is met | 1 or 2 |
| 1. All of the following conditions are met | - |
| Active grille air shutter close control | Operating |
| Shutter position estimated by active grille air shutter motor speed sensor pulse input | Close position |
| One of the following conditions is met | (a), (b) or (c) |
| (a). Both of the following conditions are met | - |
| Shaft close position switch | Off |
| Shaft open position switch | Off |
| (b). Both of the following conditions are met | - |
| Shaft close position switch | Off |
| Shaft open position switch | On |
| (c). Both of the following conditions are met | - |
| Shaft close position switch | On |
| Shaft open position switch | On |
| 2. All of the following conditions are met | - |
| Active grille air shutter open control | Operating |
| Shutter position estimated by active grille air shutter motor speed sensor pulse input | Open position |
| One of the following conditions is met | (a), (b) or (c) |
| (a). Both of the following conditions are met | - |
| Shaft close position switch | Off |
| Shaft open position switch | Off |
| (b). Both of the following conditions are met | - |
| Shaft close position switch | On |
| Shaft open position switch | Off |
| (c). Both of the following conditions are met | - |
| Shaft close position switch | On |
| Shaft open position switch | On |