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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) - Service Information >> Headlight Ecu >> Removal [06/2018 - 09/2022] >> 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 headlight ECU sub-assembly 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 Procedure not Performed Link
Front bumper assembly
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Parking Support Alert System (for HV Model)
  • Parking Support Brake System (for HV Model)
Refer to CALIBRATION [06/2018 - 08/2021] , or refer to CALIBRATION [08/2021 - 09/2022]
Front television camera view adjustment Panoramic View Monitor System (for HV Model) for Initialization
Refer to INITIALIZATION [06/2018 - 09/2022]
for Calibration
Refer to CALIBRATION [06/2018 - 09/2022]
Headlight ECU sub-assembly LH
  • Synchronize the vehicle information
  • Perform headlight ECU sub-assembly LH initialization*1
Lighting system (for HV Model) Refer to INITIALIZATION [06/2018 - 08/2020] , or refer to INITIALIZATION [08/2020 - 08/2021] , or refer to INITIALIZATION [08/2021 - ]

*1: for LED type turn signal light

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

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Front bumper assembly
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Parking Support Alert System (for Gasoline Model)
  • Parking Support Brake System (for Gasoline Model)
Refer to CALIBRATION [06/2018 - 08/2021] , or refer to CALIBRATION [08/2021 - 09/2022]
Front television camera view adjustment Panoramic View Monitor System (for Gasoline Model) for Initialization
Refer to INITIALIZATION [06/2018 - 09/2022]
for Calibration
Refer to CALIBRATION [06/2018 - 09/2022]
Headlight ECU sub-assembly LH
  • Synchronize the vehicle information
  • Perform headlight ECU sub-assembly LH initialization*1
Lighting System (for Gasoline Model) Refer to INITIALIZATION [06/2018 - 08/2020] , or refer to INITIALIZATION [08/2020 - 08/2021] , or refer to INITIALIZATION [08/2021 - ]

*1: for LED type turn signal light

HINT: