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Engine Control System (1AR-FE) - Circuit Testing, Component Inspection, Removal & Installation: ECM: Installation

  1. INSTALL ECM 
    1. Install the 2 ECM brackets with the 4 screws.
      Fig 1: Locating Screws And ECM Brackets
      G06111287Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the ECM with bracket with the bolt and 2 nuts.

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

    3. Install the 2 wire harness clamps.
      Fig 2: Locating Nuts, Bolt And ECM With Bracket
      G06111286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the tire pressure warning ECU with the nut and connect the tire pressure warning ECU connector.

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

      Fig 3: Locating Tire Pressure Warning ECU Connector And Nut
      G06111285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the 6 ECM connectors.
  2. INSTALL LOWER INSTRUMENT PANEL SUB-ASSEMBLY  (See INSTALLATION )
  3. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY  (See INSTALLATION )
  4. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH  (See INSTALLATION )
  5. INSTALL FRONT DOOR SCUFF PLATE RH  (See INSTALLATION )
    Fig 4: Locating ECM Connectors
    G06111284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  7. PERFORM INITIALIZATION 
    NOTE:
    • If the ECM is replaced, register the ECU communication ID for the immobiliser system (See INITIALIZATION ).
    • The Vehicle Identification Number (VIN) must be input into the replacement ECM (See INITIALIZATION ).

    HINT:

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