Engine Control System (3UZ-FE): ECM: Removal

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE COOL AIR INTAKE DUCT SEAL ( 2 )
REMOVE ENGINE ROOM SIDE COVER LH ( 4 )
REMOVE ECM COVER
1. Remove the 3 bolts and ECM cover.
  
  Fig 1: Locating ECM Cover Mounting Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Make sure there is no water on or around the ECM cover.
  - Perform the inspection indoors to avoid rain.
  - Prevent water from contacting the ECM's connectors and screw areas.
REMOVE ECM
1. Disconnect the wire harness.
  1. Using a screwdriver, disconnect the 2 connector holders.
  2. Disconnect the 5 ECM connectors.
    
    Fig 2: Identifying ECM Connectors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 nuts and ECM from the ECM box.
  
  Fig 3: Identifying Nuts And ECM From ECM Box
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002