Engine Control System (1AR-FE) - Circuit Testing, Component Inspection, Removal & Installation: ECM: Removal

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
REMOVE FRONT DOOR SCUFF PLATE RH (See REMOVAL )
REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH (See REMOVAL )
REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY (See REMOVAL )
REMOVE ECM
1. Disconnect the 6 ECM connectors.
  
  Fig 1: Locating ECM Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the tire pressure warning ECU connector and remove the nut and the tire pressure warning ECU.
  
  Fig 2: Locating Tire Pressure Warning ECU Connector And Nut
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Separate the 2 wire harness clamps.
4. Remove the 2 nuts, bolt and ECM with bracket.
  
  Fig 3: Locating Nuts, Bolt And ECM With Bracket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Remove the 4 screws and 2 ECM brackets from the ECM.
  
  Fig 4: Locating Screws And ECM Brackets
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002