2007 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Floor Shift Assembly: Reassembly

  1. INSTALL TRANSMISSION CONTROL SWITCH 
    1. Install the transmission control switch to the shift lever guide housing.

      HINT:

      Securely engage the claws.

    Fig 1: Identifying Transmission Control Switch
    G05288279Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL POSITION INDICATOR HOUSING LOWER 
    1. Install the position indicator housing lower to the shift lever guide housing.

      HINT:

      Securely engage the claws.

    Fig 2: Identifying Position Indicator Lower Housing
    G05288278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL SHIFT LOCK CONTROL ECU SUB-ASSEMBLY 
    1. Apply MP grease to the hatched area of the shift lever guide housing as indicated in the illustration.
      Fig 3: Identifying MP Grease Applying Area Of Shift Lever Guide Housing
      G05294813Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the shift lock control ECU sub-assembly with the 2 screws.
      Fig 4: Locating Shift Lock Control ECU Sub-Assembly Screws
      G05288277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the shift lever guide housing with the shift lever lock pin and a new shift lever nut.
      NOTE:
      • Install the shift lever nut and lock pin after first engaging the 2 claws.
      • Securely engage the claws.
    Fig 5: Identifying Shift Lever Guide Housing
    G05288276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL POSITION INDICATOR SLIDE COVER 
    1. Install position indicator slide cover No.2 to the position indicator slide cover.
    2. install the position slide cover to the shift lever guide housing.
    Fig 6: Identifying Position Indicator Slide Cover
    G05288275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL SHIFT LOCK RELEASE BUTTON 
    1. Install the shift lock release button and spring to the floor shift assembly.

      HINT:

      Securely engage the claws.

    Fig 7: Identifying Shift Lock Release Button
    G05288274Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL INDICATOR LIGHT WIRE SUB-ASSEMBLY 
    1. Securely connect the 2 terminals of the indicator light wire harness to the transmission control switch connector.
    2. Install the position indicator light bulb to the indicator light wire sub-assembly.
    3. Install the position indicator bulb cap to the position indicator light bulb.
      Fig 8: Identifying Transmission Control Switch Connector Terminals
      G05294801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the indicator light wire to the position indicator lower.
      NOTE: Make sure that the indicator light wire is securely installed to the position indicator lens.
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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.