2003 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Instrument Panel: Disassembly

  1. REMOVE A/C SOLAR SENSOR 
  2. REMOVE NO. 1 DEFROSTER NOZZLE GARNISH 

    Using a screwdriver, remove the No. 1 defroster nozzle garnish.

    HINT:

    Tape the screwdriver tip before use.

    Fig 1: Removing No. 1 Defroster Nozzle Garnish
    G03377444Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE NO. 1 AND NO. 2 SIDE DEFROSTER NOZZLE 
    1. Using a screwdriver, remove the No. 1 side defroster nozzle.

      HINT:

      Tape the screwdriver tip before use.

    2. Employ the same manner described above to the No. 2 side defroster nozzle.
      Fig 2: Removing No. 1 And No. 2 Side Defroster Nozzle
      G03377445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE NO. 1 AND NO. 2 SPEAKER PANEL 
    1. Using a screwdriver, remove the No. 1 speaker panel.

      HINT:

      Tape the screwdriver tip before use.

    2. Employ the same manner described above to the No. 2 speaker panel.
  5. REMOVE NO. 1 GARNISH 
  6. REMOVE GATEWAY ECU 
    Fig 3: Removing No. 1 And No. 2 Speaker Panel
    G03377446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 screws and gateway ECU.
    2. Disconnect the connector.
  7. REMOVE HEATER TO REGISTER DUCT 

    Remove the 2 screws and heater to register duct.

    Fig 4: Removing Heater To Register Duct
    G03377447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE NO. 2 HEATER TO REGISTER DUCT 

    Remove the 2 screws and No. 2 heater to register duct.

    Fig 5: Removing No. 2 Heater To Register Duct
    G03377448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE NO. 4 HEATER TO REGISTER DUCT 

    Remove the nut, 2 screws and No. 4 heater to register duct.

  10. REMOVE NO. 3 HEATER TO REGISTER DUCT 
    1. w/ LEXUS navigation system: Remove the 2 screws and No. 3 heater to register duct.
    2. :w/o LEXUS navigation system: Remove the 3 screws and No. 3 heater to register duct.
      Fig 6: Removing No. 4 Heater To Register Duct
      G03377449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE NO. 2 SIDE DEFROSTER NOZZLE DUCT 

    Remove the 2 screws and No. 2 side defroster nozzle duct.

    Fig 7: Removing No. 2 Side Defroster Nozzle Duct
    G03377450Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE FRONT PASSENGER AIRBAG ASSEMBLY 
    1. Remove the 2 screws that are connecting the front passenger airbag assembly to the instrument panel and take out the 2 clips installed to the rear part of the airbag door.
    2. Bend the rear part of the airbag door to remove the door bracket of the front passenger airbag assembly.
    3. Rotate the front passenger airbag assembly around the connected part of the door and the front side door bracket.
    4. When the front passenger airbag assembly cones to part A, bend the side faces to release it from the stand nuts.
    5. Thoroughly rotate the front passenger airbag assembly to remove it completely.
    6. Separate the door bracket of the front passenger airbag assembly from the front part of the airbag door and take out the front passenger airbag assembly.
      Fig 8: Removing Front Passenger Airbag Assembly
      G03377451Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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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