2007 Scion tC Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Engine Control System (2AZ-FE): ECM: Installation

  1. INSTALL ECM 
    1. Install the No. 2 ECM bracket with the 2 screws.

      Torque: 3.0 N*m (30 kgf*cm, 27 in.*lbf) 

      Fig 1: Locating No. 2 ECM Bracket Screws
      G04869408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the No. 1 ECM bracket with the 2 screws.

      Torque: 3.0 N*m (30 kgf*cm, 27 in.*lbf) 

      Fig 2: Locating No. 1 ECM Bracket Screws
      G04869407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the ECM with the bolt and screw.

      Torque: 5.0 N*m (50 kgf*cm, 44 in.*lbf) for bolt 

      3.0 N*m (30 kgf*cm, 27 in.*lbf) for screw 

      Fig 3: Locating ECM With Bolt And Screw
      G04869406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the 5 ECM connectors.
    5. Install the wire harness clamp.
      6. Fig 4: Locating Wire Harness Clamp
      G04869405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL GLOVE COMPARTMENT DOOR (See  INSTALLATION  ) 
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  4. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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