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Installation [10/2015 - ]: Procedure

  1. INSTALL NO. 2 ECM BRACKET 
    1. Install the No. 2 ECM bracket to the ECM with the 2 screws.

      Torque: 4.5 N*m (46 kgf*cm, 40 in.*lbf) 

  2. INSTALL NO. 1 ECM BRACKET 
    1. Install the No. 1 ECM bracket to the ECM with the 2 screws.

      Torque: 4.5 N*m (46 kgf*cm, 40 in.*lbf) 

  3. INSTALL ECM 

    HINT: 

    Perform "Vehicle Identification Number (VIN) or frame number registration" after replacing the ECM.

    Refer to INITIALIZATION [10/2015 - ]

    1. Install the ECM to the engine room ECU box with the 2 nuts.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

      NOTE:
      • Install the ECM to the engine room ECU box with the name plate facing the outside of the vehicle.
        GTY672059Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Name Plate
      • If the ECM has been struck or dropped, replace it.
  4. ENGAGE WIRE HARNESS 
    1. Install the wire harness to the engine room ECU box.
      GTY515709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the wire harness clamp.
    3. Connect the transmission control ECU assembly connector.
    4. Engage the wire harness to the engine room ECU box and connect the 6 ECM connectors.
      NOTE:
      • When connecting the connectors, make sure that dirt, water or other foreign matter does not become stuck between the connectors and other part.
      • Be sure to securely connect the ECM connectors.
    5. Engage the guide and connect the connector holder to the engine room ECU box.
    6. Engage the claw.
    7. Connect the 2 engine wire harness connectors (B).
      GTY517545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Connect the engine wire harness connector (A) (with lock) to the engine room ECU box and move the lock lever to engage the lock of each connector (with lock) as shown in the illustration.
      NOTE:

      Securely connect the connectors (with lock) to the engine room ECU box and engage the lock.

  5. INSTALL ENGINE ROOM ECU COVER 
    1. Install the engine room ECU cover with the 3 bolts.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

      NOTE:

      Make sure that the wire harness does not get caught between the parts.

  6. INSTALL COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 2 [10/2015 - 09/2017], or Refer to PROCEDURE - Step 2 [09/2017 - ]

  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [10/2015 - 09/2016] , or Refer to INITIALIZATION [09/2016 - 09/2017] , or Refer to INITIALIZATION [09/2017 - ]

  8. PERFORM INITIALIZATION 

    Perform "Vehicle Identification Number (VIN) or frame number registration" after replacing the ECM.

    Refer to INITIALIZATION [10/2015 - ]

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