Removal [10/2015 - ]: Procedure

PRECAUTION
NOTE:
- After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
  Refer to PRECAUTION [09/2014 - 11/2017] , or refer to PRECAUTION [11/2017 - 09/2020] , or refer to PRECAUTION [09/2020 - ]
- Perform the Vehicle Identification Number (VIN) registration when replacing the ECM.
  Refer to REGISTRATION [10/2015 - ]
- If the ECM has been struck or dropped, replace it.
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Refer to INITIALIZATION [10/2015 - 11/2017] , or refer to INITIALIZATION [11/2017 - 10/2018] , or refer to INITIALIZATION [10/2018 - 09/2020] , or refer to INITIALIZATION [09/2020 - 10/2022] , or refer to INITIALIZATION [10/2022 - 10/2023] , or refer to INITIALIZATION [10/2023 - ]

REMOVE ENGINE ROOM ECU COVER

NOTE:

Remove all water on and around the engine room ECU cover.
Perform the inspection indoors to avoid rain.
Be sure to prevent water intrusion to the ECM (connectors and screw parts).

Remove the 3 bolts and engine room ECU cover.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

REMOVE ECM

Raise the 2 levers while pushing the locks on the levers, and disconnect the 2 ECM connectors.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Push
*b	Lock

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 2 nuts and ECM from the engine room ECU box.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE:

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

REMOVE NO. 1 ECM BRACKET

Remove the 2 screws and No. 1 ECM bracket from the ECM.

REMOVE NO. 2 ECM BRACKET

Remove the 2 screws and No. 2 ECM bracket from the ECM.