HEADLIGHT ECU REMOVAL

CAUTION / NOTICE / HINT

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

Necessary procedure after parts removed/installed/replaced
Replacement Part or Procedure Necessary Procedures Effects/Inoperative Functions when not Performed Link
Replacement of headlight ECU sub-assembly LH Vehicle information registration for the headlight ECU sub-assembly LH Automatic headlight beam level control system

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Note

Even if the headlight ECU sub-assembly RH is replaced with a new one, vehicle information registration and initialization are not necessary.

Tech Tips


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

  • The procedure listed below is for the LH side.

PROCEDURE


  1. PRECAUTION

    Note


    • Be sure to read Precaution thoroughly before servicing.

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    • 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 LH

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  3. REMOVE HEADLIGHT ECU SUB-ASSEMBLY LH

    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).

    • If the headlight ECU sub-assembly LH has been dropped, replace it with a new one.

    • If the headlight ECU sub-assembly LH has been removed, replace the headlight gasket with a new one.

    • Perform work using clean rubber gloves.

    • Do not touch the headlight ECU sub-assembly LH connector with bare hands.

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

    1. B006FSA

      Remove the 3 screws and headlight ECU sub-assembly LH.

    2. B006DSP

      Disconnect the connector cover.

    3. Disconnect the 2 connectors.

      Note

      Do not drop the connector in the headlight assembly LH.

  4. REMOVE HEADLIGHT GASKET

    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 ECU sub-assembly LH connector with bare hands.

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

    1. B006F70

      Remove the headlight gasket.