Section 20 (Engine Control System - Diagnostics - Introduction (1 Of 3))
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.
- SFI System
- Precaution [10/2022 - 08/2023]
- Precaution [08/2023 - ]
- Definition Of Terms [10/2022 - ]
- Parts Location [10/2022 - 08/2023]
- Parts Location [08/2023 - ]
- System Diagram [10/2022 - 08/2023]
- System Diagram [08/2023 - ]
- How To Proceed With Troubleshooting [10/2022 - ]
- Check For Intermittent Problems [10/2022 - ]
- Basic Inspection [10/2022 - ]
- Registration [10/2022 - ]
- Initialization [10/2022 - ]
- Checking Monitor Status [10/2022 - ]
- Readiness Monitor Drive Pattern [10/2022 - ]
- Problem Symptoms Table [10/2022 - 08/2023]
- Problem Symptoms Table [08/2023 - ]
- Terminals Of ECM [10/2022 - 08/2023]
- Terminals Of ECM [08/2023 - ]
- Diagnosis System [10/2022 - ]
- DTC Check / Clear [10/2022 - ]
- Freeze Frame Data [10/2022 - ]
- Check Mode Procedure [10/2022 - ]
- Fail-Safe Chart [10/2022 - ]