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Removal [03/2019 - ]: Procedure

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 

    Refer to REMOVAL [03/2019 - ]

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 12

  3. REMOVE ECM 
    NOTE:
    • Electrostatic discharge.

      Damage to or destruction of electrical components.

      • Only touch the housings of electrical components. Do not touch pins or multi-pin connectors directly.
      • For additional information see:

        Refer to PRECAUTION [03/2019 - ]

    HINT: 

    • Follow instructions for removing and installing control units.

      For additional information see:

      Refer to PRECAUTION [03/2019 - ]

    • In a warranty case, you must always provide a fault memory printout with the defective part, even if the fault memory does not contain an entry.
    • Control unit must be programmed after it is replaced.

      For additional information see:

      Refer to PRECAUTION [03/2019 - ] 

    • Disconnecting control units may cause fault code entries and functional limitations. Fault code entries must be read out and deleted if necessary.
    1. Release snap-lock couplings (1).
      GTY945959Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Feed the cover (2) out toward the top and remove.
    3. Unlock and disconnect all plug connections (1).
      GTY946423Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Unlock the locks (1).
      GTY946427Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Guide out and remove ECM (2).