2021 Lexus LC 500 2D ConvertibleFACTORY OEM SERVICE PROCEDURE

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
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.