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Home >> Toyota >> 2021 >> Avalon TRD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 55 (Engine Control System (Service Information) [A25A-FKS]) >> ECM >> Removal [08/2020 - ] >> Procedure

Removal [08/2020 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

  2. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1 [04/2018 - 08/2021] , or refer to PROCEDURE - Step 1 [08/2021 - ]

  3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 20

  4. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 21

  5. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 22

  6. REMOVE ECM 
    1. Rotate the 3 levers while pushing the locks, and disconnect the 3 ECM connectors.
      GTY754309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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.

    2. Remove the 2 bolts, nut and ECM.
      GTY754311Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

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

  7. REMOVE NO. 1 ECM BRACKET 
    1. Remove the 2 screws and No. 1 ECM bracket from the ECM.
      GTY754304Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 2 ECM BRACKET 
    1. Remove the 2 screws and No. 2 ECM bracket from the ECM.
      GTY754305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002