Engine Control System - System Descriptions And Testing, On-Vehicle Inspection, Removal And Installation: ECM: Removal

REMOVE ENGINE ROOM SIDE COVER LH (See REMOVAL )
REMOVE ENGINE ROOM SIDE COVER RH (See REMOVAL )
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE:
- w/ Navigation System:
After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
- When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
DISCONNECT CONNECTOR HOLDER BLOCK
1. Remove the 3 bolts and move the connector holder block so that the ECM can be removed in the next step.
Fig 1: Locating Connector Holder Block Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ECM
1. Raise the 2 levers while pushing the locks on the 2 levers.
  NOTE: Make sure that the lock levers are raised 90° as shown in the illustration before disconnecting the connectors. Failure to do this may cause the connectors to break.
2. Disconnect the 2 connectors.
  
  Fig 2: Disconnecting Levers
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the 4 bolts and ECM.
Fig 3: Locating ECM Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE GASKET
1. Peel off the gasket.
  
  Fig 4: Removing ECM Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Spray gasket remover or equivalent on the remaining tape of the gasket.
  NOTE: When using gasket remover or equivalent, cover the ECM connectors with a cloth.
  
  Fig 5: Spraying Gasket Remover On Gasket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the tape of the gasket without using bladed objects.