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Home >> Lexus >> 2021 >> LC 500 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information (Convertible) >> ECM >> Removal [05/2023 - ] >> Procedure
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Removal [05/2023 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    After the engine switch is turned off, there may be a waiting time beforedisconnecting the negative (-) battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [05/2023 - ]

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 

    Refer to REMOVAL [05/2023 - ]

  3. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to REMOVAL [05/2023 - ]

  4. REMOVE ECM 
    1. Push in the locks on the 2 levers, raise the 2 levers, and disconnect the 2 ECM connectors.
      GTY787903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Push
      Raise
    2. Remove the bolt and nut.
      GTY797294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the ECM.
      NOTE:

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

  5. REMOVE NO. 1 ECM BRACKET 
    1. Remove the 2 screws and No. 1 ECM bracket from the ECM.
      GTY797292Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE NO. 2 ECM BRACKET 
    1. Remove the 2 screws and No. 2 ECM bracket from the ECM.
      GTY797295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002