Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 2013 >> Highlander Base, 2.7L Eng VIN A >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1AR-FE) (Service Information) (Except Hybrid) >> ECM >> Installation >> Installation

Engine Control System (1AR-FE) (Service Information) (Except Hybrid): ECM: Installation: Installation

  1. INSTALL ECM 
    1. Install the 2 ECM brackets to the ECM with the 4 screws.
      Fig 1: Identifying Screws And ECM Brackets
      GTY185350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the ECM with the ECM bracket with the bolt and 2 nuts.
      Fig 2: Identifying Nuts, Bolt And ECM With Bracket
      GTY195288Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

    3. Install the 2 wire harness clamps.
    4. Install the tire pressure warning ECU with the nut and connect the tire pressure warning ECU connector.
      Fig 3: Identifying Tire Pressure Warning ECU Connector And Nut
      GTY195287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

    5. Connect the 6 ECM connectors.
      Fig 4: Identifying ECM Connectors
      GTY195286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL LOWER INSTRUMENT PANEL SUB-ASSEMBLY  . Refer to INSTALLATION - Step 23
  3. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 24
  4. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH  . Refer to INSTALLATION - Step 92
  5. INSTALL FRONT DOOR SCUFF PLATE RH  . Refer to INSTALLATION - Step 93
  6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

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

  7. PERFORM INITIALIZATION 
    NOTE:
    • If the ECM is replaced, register the ECU communication ID for the immobiliser system. Refer to INITIALIZATION .
    • The Vehicle Identification Number (VIN) must be input into the replacement ECM. Refer to INITIALIZATION .

    HINT: 

    Initialization cannot be completed by only disconnecting and reconnecting the cable of the negative (-) battery terminal.