Engine Control System (1ZZ-FE): ECM: Removal

DISCONNECT BATTERY NEGATIVE TERMINAL
REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
1. Remove the screw [A] from the glove compartment door stoppers.
2. Deform the upper part of the glove compartment door assembly to release the stoppers [B].
3. Pull the glove compartment door assembly upward to remove it.
Fig 1: Locating Glove Compartment Door Assembly Stoppers
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE ECM
1. Remove the 2 clips using a clip remover, then open the cover.
  
  Fig 2: Removing Cover
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Disconnect the 4 ECM connectors [B].
3. Remove the wire harness from the wire harness clamp [C].
  
  Fig 3: Locating ECM Connectors
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4. Remove the 2 screws [D].
5. Unfasten the claw and clip, and then remove the ECM.
  
  Fig 4: Locating ECM Screws, Claw And Clip
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE ECM COVER
1. Remove the ECM cover from the ECM.
  
  Fig 5: Identifying Denso And Delco Made ECM Cover
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE ECM BRACKET NO. 1 (for DELCO Made)
1. Remove the 4 screws, then remove the ECM bracket No. 1.
Fig 6: Locating ECM Bracket No. 1 Screws (DELCO Made)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE ECM BRACKET NO. 1 (for DENSO Made)
1. Remove the 2 screws, then remove the ECM bracket No. 1.
Fig 7: Locating ECM Bracket No. 1 Screws (DENSO Made)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE ECM BRACKET NO. 2 (for DENSO Made)
1. Remove the 2 screws, then remove the ECM bracket No. 2.
Fig 8: Locating ECM Bracket No. 2 Screws (Denso Made)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
REMOVE ECM BRACKET NO. 3 (for DENSO Made)
1. Remove the 2 screws, then remove the ECM bracket No. 3.
Fig 9: Locating ECM Bracket No. 3 Screws (Denso Made)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.