Problem Symptoms Table [09/2020 - ]
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2024 Lexus IS 500, 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 500, and 2023 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
- The road sign assist system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.
ROAD SIGN ASSIST SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| "RSA Malfunction Visit Your Dealer" is displayed | Front camera system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - ] |