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

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    WARNING:

    Wait for 90 seconds after disconnecting the cable to prevent the airbag working.

    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected Refer to INITIALIZATION .

  2. REMOVE COOL AIR INTAKE DUCT SEAL  . Refer to REMOVAL - Step 7
  3. REMOVE ENGINE ROOM SIDE COVER LH  . Refer to REMOVAL - Step 8
  4. REMOVE V-BANK COVER SUB-ASSEMBLY  . Refer to REMOVAL - Step 6
  5. REMOVE ENGINE ROOM ECU COVER 
    1. Remove the 3 bolts and engine room ECU cover.
      NOTE:
      • Wipe off any water on or around the engine room ECU cover.
      • Perform this step in a dry place away from rain, etc.
      • Do not allow water to enter the ECM through its connectors, screws, etc.
  6. DISCONNECT WIRE HARNESS 
    1. Detach the claw and disconnect the No. 4 connector holder.
      Fig 1: Disconnecting No. 4 Connector Holder
      GTY105699Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 6 ECM connectors.
      Fig 2: Locating ECM Connectors
      GTY101669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ECM 
    1. Remove the 2 nuts and ECM.
      Fig 3: Locating Nuts And ECM
      GTY102728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002