2007 Lexus LS 460FACTORY OEM SERVICE PROCEDURE

Automatic Transaxle: TCM: Installation

  1. INSTALL TCM 
    Fig 1: Locating TCM And Nut
    G04943042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the TCM with the 2 nuts.

      Torque: 5.5 N*m (56 kgf*cm, 48 in.*lbf) 

    2. Connect the 4 connectors.
  2. INSTALL ENGINE ROOM ECU COVER 
    Fig 2: Locating Engine Room ECU Cover Bolts
    G04943041Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install the engine room ECU cover with the 3 bolts.

      Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf) 

  3. INSTALL ENGINE ROOM SIDE COVER LH 
  4. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY 
    1. Install the air cleaner inlet cover with the 2 clips.
  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  6. INSTALL COWL TOP VENTILATOR LOUVER  (See INSTALLATION )
  7. CHECK AUTOMATIC TRANSMISSION SYSTEM PRECAUTION 
    1. After replacing the TCM, certain procedures are necessary (see PRECAUTION  ).
  8. 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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