Removal [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Perform Vehicle Identification Number (VIN) registration when replacing the ECM. Refer to REGISTRATION [08/2013 - ] .

REMOVE LUGGAGE TRIM SERVICE HOLE COVER . Refer to REMOVAL [08/2013 - ] - Step 2
DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION [08/2013 - ] .
REMOVE ECM
1. Disconnect the 2 ECM connectors.
  
  Fig 1: ECM Connector Levers
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Push in the locks on the 2 levers, raise the levers, and disconnect the 2 ECM connectors.
    NOTE:
    After disconnecting the connectors, make sure that dirt, water or other foreign matter does not contact the connecting part of the connectors.
2. Remove the nut.
  
  Fig 2: Identifying ECM Screws, Nut And Bracket
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the screw (A).
4. Loosen the screw (B) and remove the ECM.
5. Remove the screw (B).
6. Remove the 2 screws and No. 2 ECM bracket.
  
  Fig 3: Identifying No. 2 ECM Bracket Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE NO. 1 RELAY BLOCK COVER
REMOVE NO. 1 ECM BRACKET
1. Remove the nut.
  
  Fig 4: Identifying No. 1 ECM Bracket Nut And Wire Harness Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Release the 2 clamps and disconnect the wire harness.
3. Disconnect the wire harness clamp.
  
  Fig 5: Identifying ECM Wire Harness Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the nut and No. 1 ECM bracket.
  
  Fig 6: No. 1 ECM Bracket And Nut
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002