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Home >> Lexus >> 2019 >> RX 350 Base, FWD >> Repair and Diagnosis >> Steering >> Steering Column >> Steering Column - Service Information >> Steering Column Assembly >> Removal [08/2016 - 12/2017] >> Caution / Notice / Hint
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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
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
Refer to CALIBRATION [09/2015 - ]
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 (Immobilizer system)
  • Wireless door lock control system
  • Smart access system with push-button start
  • Engine start function
  • Steering lock system
  • Telematics system
Refer to REGISTRATION [09/2015 - 08/2019]
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 Refer to INITIALIZATION [09/2015 - 08/2019] for Initialization
Refer to CALIBRATION [09/2015 - 12/2017] for Calibration
Steering angle neutral point (Initialize panoramic view monitor system) Panoramic view monitor system Refer to INITIALIZATION [09/2015 - 08/2019] for Initialization
Refer to CALIBRATION [09/2015 - 12/2017] for Calibration
Steering angle neutral point (Initialize intelligent clearance sonar system)
  • Intelligent clearance sonar system
  • Intuitive parking assist system (w/ Intelligent Clearance Sonar System)
Refer to CALIBRATION [08/2016 - 12/2017]
Disconnect cable from negative battery terminal Memorize steering angle neutral point LKA /LDA system Refer to INITIALIZATION [09/2015 - 08/2019]
Pre-collision system
Intelligent clearance sonar system*1
Lighting system (w/ Automatic Headlight Beam Level Control System) Refer to INITIALIZATION [09/2015 - 08/2019]
AFS (Adaptive Front-lighting System) Refer to INITIALIZATION [09/2015 - 08/2019]
Parking assist monitor system Refer to INITIALIZATION [09/2015 - 08/2019]
Panoramic view monitor system Refer to INITIALIZATION [09/2015 - 08/2019]
Initialize back door lock Power door lock control system Refer to INITIALIZATION [09/2015 - ]
Reset back door close position Power back door system Refer to INITIALIZATION [09/2015 - 08/2019]

*1: When performing learning using the Techstream.