Section 46 (Engine Control System - Diagnostics - Introduction (1 Of 4))
WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. However, it is still accessible from the selected car via links, so may be relevant.
- SFI System
- Precaution [11/2021 - ]
- Definition Of Terms [11/2021 - ]
- Parts Location [11/2021 - ]
- System Diagram [11/2021 - 03/2024]
- System Diagram [03/2024 - ]
- How To Proceed With Troubleshooting [11/2021 - ]
- Check For Intermittent Problems [11/2021 - ]
- Basic Inspection [11/2021 - ]
- Registration [11/2021 - ]
- Initialization [11/2021 - ]
- Checking Monitor Status [11/2021 - ]
- Readiness Monitor Drive Pattern [11/2021 - ]
- Problem Symptoms Table [11/2021 - ]
- Terminals Of ECM [11/2021 - 03/2024]
- Terminals Of ECM [03/2024 - ]
- Diagnosis System [11/2021 - ]
- DTC Check / Clear [11/2021 - 03/2023]
- DTC Check / Clear [03/2023 - ]
- Freeze Frame Data [11/2021 - 03/2024]
- Freeze Frame Data [03/2024 - ]
- Check Mode Procedure [11/2021 - ]
- Fail-Safe Chart [11/2021 - ]