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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) (Except Hybrid) - Symptom Tests & Circuit Tests >> LIGHTING SYSTEM (for Gasoline Model) >> Front Side Marker Light Circuit [06/2018 - 08/2021] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • 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] , or refer to INITIALIZATION [08/2020 - 08/2021]

  • 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] , or refer to INITIALIZATION [08/2020 - 08/2021]

  • If the headlight assembly LH has been replaced, it is necessary to synchronize the vehicle information the headlight ECU sub-assembly LH.*3

    Refer to INITIALIZATION [06/2018 - 08/2020] , or refer to INITIALIZATION [08/2020 - 08/2021]

  • Inspect the front side marker light bulb before performing the following procedure.*2
  • 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
    3. *3: for Bulb Type Turn Signal Light (for TMMK Made)
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