Engine Control System (3GR-FSE) - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection And Installation: 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 (See ON-VEHICLE INSPECTION )
REMOVE ENGINE ROOM SIDE COVER LH
1. Remove the 3 clips and side cover.
  
  Fig 1: Identifying Engine Room Side Cover LH
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ECM COVER
1. Remove the 3 bolts and ECM cover.
  NOTE:
  - Remove all water from 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 2: Locating ECM Cover Mounting 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 3: Identifying ECM Connectors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 nuts and ECM from the ECM box.
  
  Fig 4: Identifying ECM From ECM Box
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002