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Home >> Lexus >> 2023 >> ES 350 Base >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) (Except Hybrid) - Diagnostic Codes (2 Of 2) & Symptom Tests >> LIGHTING SYSTEM (for Gasoline Model) >> DTC B242F: Open in B Power Line [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.
  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

    Refer to REGISTRATION [06/2018 - 10/2019]

  • 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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