Problem Symptoms Table [06/2018 - ]
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 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.
POWER STEERING SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Heavy steering | Check assist limit record | Refer to Check Assist Limit Record [06/2018 - ] |
| Front tires (improperly inflated, unevenly worn) | Refer to INSPECTION [06/2018 - 08/2020] , or refer to INSPECTION [08/2020 - 08/2021] , or refer to INSPECTION [08/2021 - ] | |
| Front wheel alignment (incorrect) | Refer to ADJUSTMENT [06/2018 - 08/2020] , or refer to ADJUSTMENT [08/2020 - 08/2021] , or refer to ADJUSTMENT [08/2021 - ] | |
| Front suspension (Lower ball joint) | Refer to INSPECTION [06/2018 - ] | |
| Rack and pinion power steering gear assembly | Refer to INSPECTION [06/2018 - ] | |
| Steering effort differs between right and left or is uneven | Rotation angle sensor initialization and torque sensor zero point calibration incomplete | Refer to CALIBRATION [06/2018 - ] |
| Front tires (improperly inflated, unevenly worn) | Refer to INSPECTION [06/2018 - 08/2020] , or refer to INSPECTION [08/2020 - 08/2021] , or refer to INSPECTION [08/2021 - ] | |
| Front wheel alignment (incorrect) | Refer to ADJUSTMENT [06/2018 - 08/2020] , or refer to ADJUSTMENT [08/2020 - 08/2021] , or refer to ADJUSTMENT [08/2021 - ] | |
| Front suspension (Lower ball joint) | Refer to INSPECTION [06/2018 - ] | |
| Rack and pinion power steering gear assembly | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| Steering column assembly (for Manual Tilt and Manual Telescopic Steering Column) | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| Steering column assembly (for Power Tilt and Power Telescopic Steering Column) | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| While driving, steering effort does not change in accordance with vehicle speed, or steering wheel does not return to its centered position easily | Skid control ECU (Brake actuator assembly) | Refer to TERMINALS OF ECU [06/2018 - ] |
| Speed sensor | Refer to DTC CHECK / CLEAR [06/2018 - ] | |
| Rack and pinion power steering gear assembly | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] | |
| Friction sounds occur when turning steering wheel during low speed driving | Rack and pinion power steering gear assembly | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] |
| Steering column assembly (for Manual Tilt and Manual Telescopic Steering Column) | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| Steering column assembly (for Power Tilt and Power Telescopic Steering Column) | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| Spiral cable with sensor sub-assembly | Refer to INSPECTION [06/2018 - ] | |
| Steering column cover contacting steering wheel assembly (for Manual Tilt and Manual Telescopic Steering Column) | Refer to INSTALLATION [06/2018 - 09/2022] , or refer to INSTALLATION [09/2022 - ] | |
| Steering column cover contacting steering wheel assembly (for Power Tilt and Power Telescopic Steering Column) | Refer to INSTALLATION [06/2018 - 09/2022] , or refer to INSTALLATION [09/2022 - ] | |
| High-pitched sound (squeaking) occurs when turning steering wheel slowly with vehicle stopped | Rack and pinion power steering gear assembly | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] |
| Steering wheel installation (incorrect) | Refer to INSTALLATION [06/2018 - 08/2020] , or refer to INSTALLATION [08/2020 - ] | |
| Steering wheel vibrates and noise occurs when turning steering wheel from lock to lock | Rack and pinion power steering gear assembly | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] |
| Steering column assembly (for Manual Tilt and Manual Telescopic Steering Column) | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| Steering column assembly (for Power Tilt and Power Telescopic Steering Column) | Refer to REMOVAL [06/2018 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ] | |
| Steering wheel installation (incorrect) | Refer to INSTALLATION [06/2018 - 08/2020] , or refer to INSTALLATION [08/2020 - ] | |
| Drive mode does not change | Drive mode select switch circuit | Refer to Drive Mode Select Switch Circuit [06/2018 - 08/2020] , or refer to Drive Mode Select Switch Circuit [08/2020 - ] |
| EPS warning light remains on | EPS warning light circuit | Refer to EPS Warning Light Circuit [06/2018 - ] |