Problem Symptoms Table [08/2021 - ]
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. 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 system 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 area below.
POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Only manual switch does not operate | Tilt and telescopic manual switch circuit | Refer to Tilt and Telescopic Manual Switch Circuit [06/2018 - ] |
| Only auto away/return function does not operate | Check customize status of auto away/return function using the Techstream | Refer to CUSTOMIZE PARAMETERS [06/2018 - ] |
| IG power source circuit | Refer to IG Power Source Circuit [06/2018 - ] | |
| Only auto away function does not operate | Smart access system with push-button start (for Start Function, HV Model) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - 09/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ] |
| Multiplex tilt and telescopic ECU | Refer to REMOVAL [06/2018 - ] | |
| Only auto return function does not operate | Smart access system with push-button start (for Start Function, HV Model) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - 09/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ] |
| Multiplex tilt and telescopic ECU | Refer to REMOVAL [06/2018 - ] | |
| Only microcomputer preset memory/recall function does not operate with the set switch operation | Front power seat control system (for HV Model with Memory) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] |
| Seat memory switch | Refer to INSPECTION [06/2018 - ] | |
| Position control ECU assembly (Driver Seat) (for TMMK Made) | Refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| Multiplex tilt and telescopic ECU | Refer to REMOVAL [06/2018 - ] |