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.
| When Using Direct Injection | - |
| Duration that both of the following conditions (a) and (b) are met | 6 seconds or more |
| (a) Difference in fuel pressure between actual and target | Less than -5 MPa (-51.0 kgf/cm2 , -725 psi) |
| (b) Actual discharge rate of high pressure fuel pump | 240 mm3 /st or more |
| When Using Only Port Injection | - |
| Duration that both of the following conditions (a) and (b) are met | 15 seconds or more |
| (a) Difference in fuel pressure between actual and target | Less than -2 MPa (-20.4 kgf/cm2 , -290 psi) |
| (b) Actual discharge rate of high pressure fuel pump | 125 mm3 /st or more |