HEADLIGHT ECU REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the headlight control computer assembly LH removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure Necessary Procedure Effect/Inoperative when not Performed Link
Removal/installation of headlight control computer assembly LH

  1. Synchronize the vehicle information

  2. Perform headlight control computer assembly LH initialization

 Headlight leveling function

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Removal/installation of front bumper assembly Adjust millimeter wave radar sensor assembly

  • Dynamic radar cruise control system

  • Pre-crash safety system

  • Forward recognition camera system

  • LKA/LDA system

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Tech Tips


  • Use the same procedure for the RH side and LH side.

  • The following procedure listed below is for LH side.

PROCEDURE


  1. REPLACE PRECAUTION

    Note


    • Be sure to read Precaution thoroughly before servicing.

      Click here

    • Handle components indoors as much as possible to prevent foreign matter from entering and adhering to headlight assembly components.

    • Do not reuse parts which have reduced fastening ability due to thread damage.

    • When installing components, make sure that the wire harness is not pinched or pulled.

    • Do not use solvent to clean components. Only clean them with a dry cloth.

  2. REMOVE HEADLIGHT ASSEMBLY

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  3. REMOVE HEADLIGHT CONTROL COMPUTER ASSEMBLY

    Note


    • Prevention of static electricity is required during this procedure.

    • Use static electricity countermeasures SST (desktop antistatic mat set) and observe all precautions to prevent damage to the system by electrostatic discharge (ESD).

    • Perform work using clean rubber gloves.

    • Do not touch the headlight control computer assembly connector with bare hands.

    SST
    09890-47010   ( 09891-04010, 09891-04020, 09891-04030, 09891-04040 )

    1. B002DA3

      Remove the 3 screws.

    2. B002C96

      Remove the cover.

    3. B002EDK

      Disconnect the 2 connectors to remove the headlight control computer assembly.

    4. B002EQJ

      Remove the headlight control computer assembly gasket.