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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) (Except Hybrid) - Diagnostic Codes (1 Of 2) >> LIGHTING SYSTEM (for Gasoline Model) >> DTC B242E: Open in IG Circuit [07/2019 - 10/2019] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.*1

    Refer to INITIALIZATION [06/2018 - 08/2020]

  • If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information the headlight ECU sub-assembly LH.*2

    Refer to INITIALIZATION [06/2018 - 08/2020]

  • When replacing the headlight ECU sub-assembly LH, always replace it with a new one. If a headlight ECU sub-assembly LH which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
    1. *1: for LED Type Turn Signal Light
    2. *2: for Bulb Type Turn Signal Light
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