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Home >> Lexus >> 2020 >> RX 450h Base >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension (Service Information) (2 Of 2) >> Rear Suspension Member (For AWD) >> Removal [08/2016 - 12/2017] >> Caution / Notice / Hint

Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear suspension member sub-assembly removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Rear wheel alignment adjustment
  1. Clear zero point calibration data.
  2. Perform yaw rate and acceleration sensor zero point calibration.
  • DTCs are stored
  • ABS warning light illuminates
  • Brake warning light/yellow (minor malfunction) illuminates
  • Slip indicator light illuminates
  • VSC disabled or malfunctions
Refer to CALIBRATION [10/2015 - 08/2018]
Suspension, tires, etc.
(The vehicle height changes because of suspension or tire replacement)
  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent clearance sonar system
  • Intuitive parking assist system (w/ Intelligent Clearance Sonar System)
Refer to CALIBRATION [08/2016 - 03/2018]
Rear television camera assembly optical axis (Back camera position setting) Parking assist monitor system for Initialization: Refer to INITIALIZATION [10/2015 - 08/2019]
for Calibration: Refer to CALIBRATION [10/2015 - 03/2018]
  • Parking assist ECU initialization
  • Adjust steering angle
Panoramic view monitor system for Initialization: Refer to INITIALIZATION [10/2015 - 08/2019]
for Calibration: Refer to CALIBRATION [10/2015 - 03/2018]
Initialize headlight ECU sub-assembly LH
  • Automatic headlight beam level control system
  • AFS (Adaptive front-lighting system)
Refer to INITIALIZATION [10/2015 - 08/2019]
Rear height control sensor sub-assembly RH Initialize headlight ECU sub-assembly LH
  • Automatic headlight beam level control system
  • AFS (Adaptive front-lighting system)
Refer to INITIALIZATION [10/2015 - 08/2019]
Gas leak from exhaust system is repaired Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.
Refer to INITIALIZATION [10/2015 - ]
Disconnect cable from negative auxiliary battery terminal Memorize steering angle neutral point LKA /LDA system Refer to INITIALIZATION [10/2015 - 08/2019]
Pre-collision system
Intelligent clearance sonar system *1
Lighting system (w/ Automatic Headlight Beam Level Control System) Refer to INITIALIZATION [10/2015 - 08/2019]
AFS (Adaptive Front-lighting System) Refer to INITIALIZATION [10/2015 - 08/2019]
Parking assist monitor system Refer to INITIALIZATION [10/2015 - 08/2019]
Panoramic view monitor system Refer to INITIALIZATION [10/2015 - 08/2019]
Initialize back door lock Power door lock control system Refer to INITIALIZATION [10/2015 - ]
Reset back door close position Power back door system Refer to INITIALIZATION [10/2015 - 08/2019]

*1: When performing learning using the Techstream.

WARNING:
  • Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the service information.
    GTY588409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Refer to PRECAUTION [08/2016 - 08/2019]

  • To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
    GTY588386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002