Caution / Notice / Hint

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.

NOTE:

Make sure to check the following before proceeding with troubleshooting.

Do not perform "Smart Code Reset" (all key ID erasure) until the malfunctions and symptoms have been confirmed and resolved. If all key ID erasure is performed without confirming or resolving malfunctions, key registration will be unable to be performed, resulting in unnecessary part replacement.
Make sure that the smart access system with push-button start has not been disabled by a customize setting.

HINT:

Replace parts related to the wireless door lock control system and smart access system with push-button start according to the inspection procedure.
If the wireless door lock control system and smart access system with push-button start do not operate, check the customize setting and make sure that the wireless door lock control system and smart access system with push-button start are not disabled.
The wireless door lock control system and smart access system with push-button start primarily use the following systems.
- Power door lock control system
- Wireless door lock control system
- Smart access system with push-button start (for Entry Function)
- Smart access system with push-button start (for Start Function)
  1. Steering lock function
  2. Immobiliser function
If 2 or more electrical key transmitter sub-assemblies are registered to the system, make sure to perform troubleshooting with all of them.