Removal [10/2018 - 07/2022]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.

PRECAUTION
NOTE:
- After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
  Refer to PRECAUTION [10/2018 - 07/2022]
- Perform the Vehicle Identification Number (VIN) registration when replacing the ECM.
  Refer to REGISTRATION [10/2018 - ]
DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
Refer to REMOVAL [10/2018 - 07/2022]

NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Refer to INITIALIZATION [10/2018 - 07/2022]

REMOVE ECM

Disengage the 2 clamps and bolt to separate the engine wire from the ECM bracket.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Lock lever

Raise the 2 lock levers while pushing the locks on the levers, and disconnect the 2 ECM connectors.
NOTE:
After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.

Remove the bolt, nut and ECM.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE:

If the ECM has been struck or dropped, replace it.

REMOVE NO. 2 ECM BRACKET

Remove the 2 screws.

Disengage the 2 guides to remove the No. 2 ECM bracket from the ECM.

REMOVE NO. 1 ECM BRACKET

Remove the 2 screws.

Disengage the 2 guides to remove the No. 1 ECM bracket from the ECM.