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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Monitor - Service Information >> ULTRASONIC SENSOR (for Rear) >> Removal [06/2018 - 08/2021] >> 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 ultrasonic sensor removal/installation are shown below.

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED (FOR HV MODEL)

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function When Necessary Procedures are not Performed Link
Disconnect cable from negative auxiliary battery terminal*1 Perform steering sensor zero point calibration Lane Control System Refer to INITIALIZATION [06/2018 - 08/2021]
Pre-collision System
Parking Support Brake System*2
Lighting System
Memorize steering angle neutral point Parking Assist Monitor System Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic View Monitor System Refer to INITIALIZATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System Refer to INITIALIZATION [06/2018 - ]
Ultrasonic sensor
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Parking Support Alert System
  • Parking Support Brake System
Refer to CALIBRATION [06/2018 - 08/2021]

*1: w/ Hands Free Power Trunk Lid*2: When performing learning using the Techstream.

NOTE:
  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System)
  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Navigation System)
NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED (FOR GASOLINE MODEL)

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function When Necessary Procedures are not Performed Link
Disconnect cable from negative battery terminal*1 Perform steering sensor zero point calibration Lane Control System Refer to INITIALIZATION [06/2018 - 08/2021]
Pre-collision System
Parking Support Brake System*2
Lighting System
Memorize steering angle neutral point Parking Assist Monitor System Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic View Monitor System Refer to CALIBRATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System Refer to INITIALIZATION [06/2018 - ]
Ultrasonic sensor
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Parking Support Alert System
  • Parking Support Brake System
Refer to CALIBRATION [06/2018 - 08/2021]

*1: w/ Hands Free Power Trunk Lid*2: When performing learning using the Techstream.

NOTE:
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
  • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)