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 to INITIALIZATION or. Refer to INITIALIZATION ).
Perform the REGISTRATION (VIN registration) when replacing the ECM. Refer to REGISTRATION .
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 to INITIALIZATION or. Refer to INITIALIZATION ).

REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY . Refer to REMOVAL - Step 34
REMOVE 4 WHEEL DRIVE CONTROL ECU NO. 2 (for Automatic Transmission 4WD)

Fig 1: Identifying Four Wheel Drive Control ECU, Connector & Bolt
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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.