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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column - Service Information >> Steering Column Assembly >> Removal [12/2023 - ] >> Procedure

Removal [12/2023 - ]: Procedure

  1. PRECAUTION 
    Refer to PRECAUTION [09/2023 - ]
  2. CHANGE POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM SETTINGS 
    1. GTY1235988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fully Lower Fully Extend
      1. Disable the auto tilt away function by changing the customize settings.

        Refer to CUSTOMIZE PARAMETERS [09/2023 - ]

        NOTE:

        Record the current customize setting (whether the auto tilt away function is enabled or disabled) in order to restore the current setting after finishing the operation.

        HINT: 

        Performing the above operation causes the auto tilt away function to be disabled when the ignition switch is turned off.

      2. Turn the ignition switch to ON. Operate the tilt and telescopic switch to fully extend and lower the steering column assembly.
  3. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD 
    1. GTY1232578Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE STEERING WHEEL ASSEMBLY 

    Refer to REMOVAL [12/2023 - ] 

  5. REMOVE LOWER STEERING COLUMN COVER 
    NOTE:

    Removing the lower steering column cover in the incorrect order will cause the parts to break.

    1. w/o Radiant Heater:
      GTY1239418Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 3 screws.
      2. Disengage the 2 claws and 4 clips of the upper steering column cover and separate the instrument cluster finish panel assembly.
      3. Disengage the 2 claws on the inside of the steering column cover and remove the lower steering column cover.
        NOTE:

        Do not damage the tilt and telescopic manual switch.

    2. w/ Radiant Heater:
      GTY1231827Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 3 screws.
      2. Disengage the 2 claws and 4 clips of the upper steering column cover and separate the instrument cluster finish panel assembly.
      3. Disengage the 2 claws on the inside of the steering column cover and remove the lower steering column cover.
        NOTE:

        Do not damage the tilt and telescopic manual switch.

      4. Disconnect the connector and disengage the clamp from the lower steering column cover.
  6. REMOVE UPPER STEERING COLUMN COVER 
    1. w/o Driver Monitor Camera:
      GTY1232574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ Driver Monitor Camera:
      GTY1232575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY 
    NOTE:
    • Do not remove/install the spiral cable with sensor sub-assembly with the auxiliary battery connected and the ignition switch ON.
    • Do not rotate the spiral cable with sensor sub-assembly without the steering wheel assembly installed, with the auxiliary battery connected and the ignition switch ON.
    • Ensure that the steering wheel assembly is installed and aligned straight when inspecting the steering sensor.
    1. GTY1237230Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Clamp - -
      1. Disconnect each connector from the turn signal switch assembly with spiral cable sub-assembly.
      2. Using pliers, expand the clamp.
      3. While holding the clamp expanded, raise the claw using a screwdriver to disengage it, and then remove the turn signal switch assembly with spiral cable sub-assembly from the steering column assembly.
  8. REMOVE LOWER NO. 1 NSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to REMOVAL [12/2023 - ]

  9. REMOVE FRONT WHEEL LH 

    Refer to REMOVAL [09/2023 - ]

  10. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY 
    Refer to PROCEDURE - Step 5
  11. REMOVE STEERING COLUMN HOLE COVER 
    1. GTY1232576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY 
    1. GTY1229734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Matchmark - -
      Slide in this direction - -
      1. Using a screwdriver, loosen the clamp as shown in the illustration.
      2. Remove the bolt and slide the steering intermediate shaft assembly.
        NOTE:

        Do not remove the steering intermediate shaft assembly from the steering column assembly.

      3. Put matchmarks on the steering intermediate shaft assembly and steering column assembly.
      4. Remove the steering intermediate shaft assembly from the steering column assembly.
  13. REMOVE STEERING COLUMN ASSEMBLY 
    HINT: 
    As the illustration shown is an example, the actual details may differ.
    1. GTY1231617Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect each connector and disengage each wire harness clamp from the steering column assembly.
      2. Remove the bolt, 2 nuts and steering column assembly.