Engine Control System (Service Information): ECM: Removal: Removal

Perform the RESET MEMORY (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM. Refer toINITIALIZATION or. Refer toINITIALIZATION ).
Perform the REGISTRATION (VIN registration) when replacing the ECM. Refer toREGISTRATION .
If the ECM has been replaced or RESET MEMORY (AT initialization) has been performed, set up the function of the ATF (Automatic Transmission Fluid) temperature warning lamp. Refer toINITIALIZATION or. Refer toINITIALIZATION ).

REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY . Refer toREMOVAL - Step 34
REMOVE FOUR WHEEL DRIVE CONTROL ECU (for Automatic Transmission 4WD)

Fig 1: Identifying Four Wheel Drive Control ECU, Connector & Bolt
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Disconnect the connector.
2. Remove the bolt and four wheel drive control ECU.
REMOVE ECM
1. Disconnect the 6 connectors.
  
  Fig 2: Identifying ECM Connectors & Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 3 nuts and ECM.
REMOVE ECM BRACKET

Fig 3: Identifying ECM Bracket & Screws
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Remove the 2 screws and ECM bracket.
REMOVE NO. 2 ECM BRACKET

Fig 4: Identifying No. 2 ECM bracket & Screws
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Remove the 2 screws and No. 2 ECM bracket.