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.
JUDGMENT BY SIMULATED ENGINE COOLANT TEMPERATURE
| Duration that both of the following conditions are met | 5 seconds or more |
| Estimated engine coolant temperature | 75°C (167°F) or higher |
| Engine coolant temperature sensor output | Less than 75°C (167°F) |
JUDGMENT BY ENGINE COOLANT TEMPERATURE AND NO. 2 ENGINE COOLANT TEMPERATURE CHANGES
| Engine coolant temperature change speed | Less than -0.4°C/sec (31.28°F/sec), or higher than 0.15°C/sec (32.27°F/sec) |
| Engine coolant temperature | Less than 75°C (167°F) |
| Grade of engine coolant temperature - No. 2 engine coolant temperature | Higher than -0.1°C/sec (-0.18°F/sec), and less than 0.1°C/sec (0.18°F/sec) |
| Absolute engine coolant temperature - No. 2 engine coolant temperature | Less than 6.6°C (11.8°F) |