Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Suspension / Steering Column / Steering Column Assembly / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the electric power steering column sub-assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replacement Part or Procedure

Necessary Procedures

Effects / Inoperative when not performed

Link
*1: When performing learning using the Techstream.

Click here

Replacement of the power steering ECU assembly
  • Perform Torque Sensor Zero Point Calibration
  • Assist Map Writing
  • DTCs are output
  • Steering effort different between turning steering wheel left and right
  • EPS warning light illuminates

Replacement of the electric power steering column sub-assembly

Perform Torque Sensor Zero Point Calibration

Replacement of the steering lock actuator or upper bracket assembly

Perform code registration (Immobiliser system)
  • Wireless door lock control system
  • Smart access system with push-button start
  • Engine start function
  • Steering lock system
  • Telematics system

Removal/installation of the spiral cable with sensor sub-assembly
  • Steering angle neutral point (Initialize parking assist monitor system)
  • Steering angle setting

Parking assist monitor system

for Initialization

for Calibration

Steering angle neutral point (Initialize panoramic view monitor system)

Panoramic view monitor system

for Initialization

for Calibration

Steering angle neutral point (Initialize intelligent clearance sonar system)
  • Intelligent clearance sonar system
  • Intuitive parking assist system (w/ Intelligent Clearance Sonar System)

Disconnect cable from negative battery terminal

Memorize steering angle neutral point

Lane Control System

Pre-collision system

Intelligent clearance sonar system*1

Lighting system (w/ Automatic Headlight Beam Level Control System)

Parking assist monitor system

Panoramic view monitor system

Initialize back door lock

Power door lock control system

Reset back door close position

Power Back Door System (w/ Outside Door Control Switch)

PROCEDURE

1. PRECAUTION

Click here

2. CHANGE POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM SETTINGS

(a) Disable the auto tilt away function by changing the customize settings.

Click here

NOTICE:

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 engine switch is turned off.

(b) Turn the engine switch on (IG). Operate the tilt and telescopic switch to fully extend and lower the steering column assembly.

3. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

4. REMOVE HORN BUTTON ASSEMBLY

Click here

5. REMOVE STEERING WHEEL ASSEMBLY

Click here

6. REMOVE LOWER STEERING COLUMN COVER

(a) Remove the 3 screws.

Push Area

Push in this direction

(b) While pressing the push area shown in the illustration to disengage the 2 claws, slightly lower the lower steering column cover.

7. REMOVE UPPER STEERING COLUMN COVER

(a) Disengage the 2 claws and separate the upper steering column cover.

Separate in this direction

(b) Disengage the 6 clips to remove the upper steering column cover.

8. REMOVE TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY

NOTICE:

  • Do not replace the spiral cable with sensor sub-assembly with the battery connected and the engine switch on (IG).
  • Do not rotate the spiral cable with sensor sub-assembly without the steering wheel assembly installed, with the battery connected and the engine switch on (IG).
  • Ensure that the steering wheel assembly is installed and aligned straight when inspecting the steering sensor.

(a) Disconnect each connector from the turn signal switch assembly with spiral cable sub-assembly.

Remove in this direction

(b) Disengage the 3 claws to remove the turn signal switch assembly with spiral cable sub-assembly from the steering column assembly.

9. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here

10. REMOVE REAR CONSOLE UPPER PANEL

Click here

11. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY

Click here

12. REMOVE CONSOLE PANEL SUB-ASSEMBLY

Click here

13. REMOVE CONSOLE REAR END PANEL SUB-ASSEMBLY

Click here

14. REMOVE CONSOLE BOX ASSEMBLY

Click here

15. REMOVE FRONT NO. 1 CONSOLE BOX INSERT

Click here

16. REMOVE NO. 4 AIR DUCT SUB-ASSEMBLY

(a) Remove the bolt.

(b) Disengage the 3 claws to remove the No. 4 air duct sub-assembly.

17. REMOVE STOP LIGHT SWITCH ASSEMBLY

Click here

18. SEPARATE STEERING INTERMEDIATE SHAFT ASSEMBLY

Click here

19. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY

(a) Loosen the bolt.

(b) Remove the bolt and slide the steering intermediate shaft assembly.

NOTICE:

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

*a

Matchmark

(c) Put matchmarks on the steering intermediate shaft assembly and the steering column assembly.

(d) Remove the steering intermediate shaft assembly from the steering column assembly.

20. REMOVE STEERING COLUMN ASSEMBLY

(a) Disconnect the 2 connectors.

(b) Disengage the clamp.

(c) Disconnect each connector and disengage each wire harness clamp from the steering column assembly.

(d) Remove the bolt, 2 nuts and steering column assembly.
    Reassembly
    REASSEMBLY CAUTION / NOTICE / HINT NOTICE: Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts. If the power steering ECU assembly is subjected to an impact ...

    Steering Heater Switch
    ...

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