Typical Malfunction Thresholds
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.
| 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 |