2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Automatic Transaxle: TCM: Installation

  1. INSTALL TCM 
    1. Install the TCM to the ECM box.
      NOTE: Install the TCM in the ECM box with the name plate facing the inside of the vehicle.
    2. Install the 2 nuts.

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

      NOTE:
      • Make sure that the stud bolts are securely installed into the front and rear bolt holes.
        Fig 1: Identifying ECM Box And Name Plate
        G05751213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • Insert the stud bolt in the vehicle rear side to the TCM first.
    3. Connect the 8 connectors
      NOTE: Be sure to securely connect the connector.
    4. Connect the connector holder
      5. Fig 2: Locating Connectors
      G05751916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL ENGINE ROOM ECU COVER  (See INSTALLATION )
  3. INSTALL ENGINE ROOM SIDE COVER LH  (See INSTALLATION )
  4. INSTALL COOL AIR INTAKE DUCT SEAL  (See INSTALLATION )
  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  6. CHECK AUTOMATIC TRANSMISSION SYSTEM PRECAUTION 
    1. After replacing the TCM, certain procedures are necessary (see INITIALIZATION  )
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  • • 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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