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Home >> Toyota >> 2015 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2GR-FXE) (Service Information) (Hybrid) >> ECM >> Installation [02/2014 - 11/2016] >> Procedure

Installation [02/2014 - 11/2016]: Procedure

  1. INSTALL ENGINE ROOM ECU BOX 
    1. Install the engine room ECU box to the ECM.
  2. INSTALL ENGINE ROOM ECU COVER 
    1. Engage the 3 claws to install the engine room ECU cover to the engine room ECU box.
  3. INSTALL NO. 2 ECM BRACKET 
    1. Install the No. 2 ECM bracket to the engine room ECU box with the 2 bolts.

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

  4. INSTALL ECM BRACKET 
    1. Install the ECM bracket to the engine room ECU cover with the 2 bolts.

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

  5. INSTALL ECM 
    1. Install the wire harness clamp bracket to the ECM with the 2 bolts.

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

    2. Install the ECM with the 3 bolts.

      Bolt (A) 

      Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf) 

      Bolt (B) 

      Torque: 30 N*m (306 kgf*cm, 22 ft.*lbf) 

      NOTE:

      If the ECM has been struck or dropped, replace it.

      GTY447143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Engage the cooler pipe clamp.
    4. Engage the 2 wire harness clamps.
    5. Engage the wire harness clamp.
      GTY295024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the 2 ECM connectors and lower the 2 levers.
      NOTE:
      • When connecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.
      • Be sure to securely connect the ECM connectors.
  6. CONNECT 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 [02/2014 - 11/2016]

  7. INSTALL NO. 3 DECK BOARD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 71 , or refer to PROCEDURE - Step 72

  8. INSTALL DECK BOARD ASSEMBLY 

    Refer to PROCEDURE - Step 72 , or refer to PROCEDURE - Step 73

  9. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [02/2014 - 11/2016]