Section 16 (Engine Control System (2GR-FSE) - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection And Installation): ECM: Removal

WARNING: This page is about a different car, the 2007 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
REMOVE COOL AIR INTAKE DUCT SEAL (See REMOVAL )
REMOVE ENGINE ROOM SIDE COVER LH (See REMOVAL )
REMOVE ECM COVER
1. Remove the 3 bolts and ECM cover.
  NOTE:
  - Remove all water on and around the ECM cover.
  - Perform the inspection Indoors to avoid rain.
  - Be sure to prevent water intrusion to the ECM (connectors and screw parts).
    
    Fig 1: Identifying ECM Cover Bolts
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ECM
1. Disconnect the ECM connectors.
  1. Using a screwdriver, disconnect the connector holder.
  2. Disconnect the 6 ECM connectors.
    
    Fig 2: Identifying 6 ECM Connectors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 nuts and ECM.
  
  Fig 3: Identifying ECM Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002