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Home >> Lexus >> 2017 >> RX 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ Automatic Headlight Beam Level Control System) - Diagnostics - Introduction (1 Of 2) >> LIGHTING SYSTEM (w/ Automatic Headlight Beam Level Control System) >> Initialization [09/2015 - 08/2019] >> Initialization [09/2015 - 08/2019]
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Initialization [09/2015 - 08/2019]

NOTE:
  • 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 LH removal/installation are shown below.
    Performed Work or System Condition Necessary Procedures Link
    Replacement of the headlight ECU sub-assembly LH Synchronize the vehicle information Refer to INITIALIZATION [09/2015 - 08/2019]
    Perform headlight ECU sub-assembly LH initialization
    Replacement of the rear height control sensor sub-assembly RH, removal and reinstallation of the rear height control sensor sub-assembly RH, replacement of the suspension, etc. have been performed. Perform headlight ECU sub-assembly LH initialization
    Battery terminal is disconnected and connected. Steering Sensor Zero Point Calibration Refer to INITIALIZATION [09/2015 - 08/2019]
  • If the steering sensor zero point calibration is not performed, the AFS (adaptive front-lighting system) and cornering lights may not operate correctly.
  • A new headlight ECU sub-assembly LH cannot operate until the vehicle information is registered.
  • After replacing the headlight ECU sub-assembly LH, it is necessary to perform vehicle information registration and initialization.
  • Even if the headlight ECU sub-assembly RH is replaced with a new one, vehicle information registration and initialization are not necessary.