2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Transmission Control Switch: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  2. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY  (See REMOVAL )
  3. REMOVE UPPER NO. 1 CONSOLE PANEL GARNISH  (See REMOVAL )
  4. REMOVE UPPER NO. 2 CONSOLE PANEL GARNISH  (See REMOVAL )
  5. REMOVE CONSOLE PANEL SUB-ASSEMBLY  (See REMOVAL )
  6. REMOVE FRONT ASH RECEPTACLE ASSEMBLY  (See REMOVAL )
  7. REMOVE REAR ASH RECEPTACLE ASSEMBLY  (See REMOVAL )
  8. REMOVE CONSOLE BOX REGISTER ASSEMBLY  (See REMOVAL )
  9. REMOVE CONSOLE BOX  (See REMOVAL )
  10. REMOVE NO. 2 CONSOLE BOX DUCT  (See REMOVAL )
  11. REMOVE NO. 2 FLOOR UNDER COVER  (See REMOVAL )
  12. REMOVE NO. 1 FLOOR UNDER COVER  (See REMOVAL )
  13. REMOVE TAIL EXHAUST PIPE ASSEMBLY  (See REMOVAL )
  14. REMOVE REAR NO. 1 FLOOR PANEL BRACE  (See REMOVAL )
  15. REMOVE FRONT CENTER FLOOR BRACE  (See REMOVAL )
  16. DISCONNECT HEATED OXYGEN SENSOR  (See REMOVAL )
  17. REMOVE FRONT EXHAUST PIPE ASSEMBLY  (See REMOVAL )
  18. REMOVE FRONT NO. 1 FLOOR HEAT INSULATOR  (See REMOVAL )
  19. REMOVE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY  (See REMOVAL  )
  20. REMOVE TRANSMISSION FLOOR SHIFT ASSEMBLY  (See REMOVAL  )
  21. REMOVE TRANSMISSION CONTROL SWITCH 
    1. Remove the transmission control switch connector from the floor shift assembly.
      Fig 1: Locating Transmission Control Switch Connector
      G05318247Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the shift lever support and lock pin from the floor shift assembly.
    3. Remove the shift lever guide housing from the floor shift assembly.
      NOTE: First remove the shift lever nut and lock pin, then disengage the 2 claws.
Factory Service Tools

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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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