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

REMOVE REAR NO. 2 FLOOR BOARD (for Separate Type) . Refer to REMOVAL - Step 1
REMOVE REAR DECK FLOOR BOX . Refer to REMOVAL - Step 2
REMOVE REAR NO. 3 FLOOR BOARD . Refer to REMOVAL - Step 3
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .
SEPARATE RADIATOR WITHOUT CAP RESERVE TANK ASSEMBLY
1. Remove the 2 bolts and separate the radiator without cap reserve tank assembly.
  
  Fig 1: Identifying Radiator Reservoir Tank Assembly & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE ECM
1. Remove the No. 1 relay block cover.
2. Disconnect the 3 wire harness connectors.
  
  Fig 2: Identifying ECM No. 1 Relay Block Cover & Wire Harness Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disengage the 2 claws, push up the engine room wire harness and separate it from the engine room relay block.
  
  Fig 3: Identifying Engine Room Wire Harness & Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disengage the 2 claws and push up the side cover to remove it.
  
  Fig 4: Identifying Connector & Side Cover & Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Loosen the bolt and separate the No. 2 engine room wire.
  
  Fig 5: Identifying No. 2 Engine Room Wire & Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Disconnect the 2 ECM connectors.
  1. Disconnect the 2 wire harness clamps.
    
    Fig 6: Identifying Wire Harness, Clamps & Lever Locks
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Push the locks on the 2 levers, then 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 parts of the connectors.
7. Separate the 2 wire harness clamps.
  
  Fig 7: Identifying Wire Harness Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
8. Remove the 2 bolts and ECM with 2 ECM brackets.
  
  Fig 8: Identifying ECM Brackets & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002