Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
| Both of the following conditions are met | - |
| Average engine load value ratio | Less than 0.89, or higher than 1.2 (varies withestimated engine load) (for THS-HEV Model) Less than 0.85, or higher than 1.15 (varies withestimated engine load) (for PHEV Model) |
| Average air fuel ratio | Less than -15%, or higher than 15% |