Removal [09/2014 - 11/2017]: Procedure
WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2024 Lexus RC 350, 2024 Lexus RC 300, 2023 Lexus RC 350, 2023 Lexus RC 300, and 2022 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
- 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]
- 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 [09/2014 - 10/2015] , or refer to INITIALIZATION [10/2015 - 11/2017]
- REMOVE ENGINE ROOM ECU COVER
Refer to PROCEDURE - Step 2
- REMOVE TCM
- Disconnect the 2 engine wire connectors from the connector holder.
*a Junction Connector - Disengage the claw and disconnect the junction connector from the connector holder.
- Using a screwdriver, disengage the claw.
*a Connector Holder *b Grommet - Disconnect the grommet and connector holder from the engine room ECM box.
- Disconnect the 2 ECM wire harness connectors.
- Disconnect the 2 TCM connectors.
- Remove the 2 nuts and TCM from the engine room ECM box.NOTE:
If the TCM has been struck or dropped, replace it.
- Remove the 4 screws and 2 brackets from the TCM.
- Disconnect the 2 engine wire connectors from the connector holder.