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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 [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 Front television camera view adjustment Panoramic View Monitor System Refer to CALIBRATION [09/2022 - ]
Replacement or removal and installation of 2 or more parts: 
  • Front television camera assembly, Radiator grille or Front bumper assembly
  • Rear television camera assembly
  • Side television camera assembly LH or Outer rear view mirror assembly LH
  • Side television camera assembly RH or Outer rear view mirror assembly RH
Television camera view adjustment
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 [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 Front television camera view adjustment Panoramic View Monitor System Refer to CALIBRATION [09/2022 - ]
Replacement or removal and installation of 2 or more parts: 
  • Front television camera assembly, Radiator grille or Front bumper assembly
  • Rear television camera assembly
  • Side television camera assembly LH or Outer rear view mirror assembly LH
  • Side television camera assembly RH or Outer rear view mirror assembly RH
Television camera view adjustment
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 [08/2021 - ]

*1: for LED type turn signal light

HINT: