Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
| One of the following conditions is met | 1, 2, 3, 4 or 5 |
| 1. Both of the following conditions are met | - |
| Following condition is met | 60 time or more |
| High pressure fuel pump voltage detected by injector driver IC | 4.8 V or higher |
| 2. Both of the following conditions are met | - |
| Following condition is met | 60 time or more |
| High pressure fuel pump voltage detected by injector driver IC | 1.2 V or less |
| 3. Both of the following conditions are met | - |
| Following condition is met | 60 time or more |
| High pressure fuel pump current detected by injector driver IC | 140 A or higher |
| 4. Both of the following conditions are met | - |
| Following condition is met | 60 time or more |
| High pressure fuel pump drive MOSFET current detected by injector driver IC | 12 A or higher |
| 5. Both of the following conditions are met | - |
| Following condition is met | 60 time or more |
| High pressure fuel pump drive MOSFET voltage detected by injector driver IC | 0.02 V or less |