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Engine Control System (Service Information): ECM: Removal: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

    If the cable is disconnected, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .

  2. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH  . Refer to REMOVAL - Step 1
  3. REMOVE WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH  . Refer to REMOVAL - Step 2
  4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY  . Refer to REMOVAL - Step 3
  5. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY  . Refer to REMOVAL - Step 4
  6. REMOVE COWL TOP PANEL OUTER  . Refer to REMOVAL - Step 5
  7. REMOVE ECM 
    1. Remove the 3 nuts.
      Fig 1: Locating ECM Nuts
      GTY169839Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Separate the ECM from the body.
      Fig 2: Separating ECM From Body
      GTY183492Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      When separating the ECM, do not apply excessive force to the wire harness.

    3. Disconnect the 2 ECM connectors and remove the ECM.
      Fig 3: Raising Levers
      GTY183491Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Raise the 2 levers while pushing the locks on the 2 levers, and disconnect the 2 ECM connectors.
        NOTE:

        After disconnecting the connectors, make sure that dirt, water or other foreign matter does not contact the connections of the connectors.

      2. Remove the ECM.
    4. Remove the 4 screws and 2 ECM brackets.
      Fig 4: Locating ECM Brackets Screws
      GTY138027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002