Section 176 (Engine Control System (2GR-FSE) - System And Component Testing, On-Vehicle Inspection, Removal, Inspection & Installation): ECM: Removal

WARNING: This page is about a different car, the 2008 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: Locating ECM Cover And 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: Locating ECM Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 nuts and ECM.
Fig 3: Locating ECM And Nuts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002