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 No. 1 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 No. 1 headlight ECU sub-assembly LH Vehicle information registration for the No. 1 headlight ECU sub-assembly LH Automatic headlight beam level control system

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Note

Even if the No. 1 headlight ECU sub-assembly RH is replaced with a new one, vehicle information registration is 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. REMOVE HEADLIGHT ASSEMBLY LH

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  2. REMOVE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH

    Note


    • If the No. 1 headlight ECU sub-assembly LH has been dropped, replace it with a new one.

    • If the No. 1 headlight ECU sub-assembly LH has been removed, replace the headlight gasket with a new one.

    • When removing the No. 1 headlight ECU sub-assembly LH, use static electricity countermeasures SST (desktop anti-static mat set) and observe all precautions to prevent damage to the system by electrostatic discharge (ESD).

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

    1. B000PEF

      Remove the 3 screws and No. 1 headlight ECU sub-assembly LH.

    2. B000OPU

      Disconnect the connector cover.

    3. B000PW1

      Disconnect the connector.

      Note

      Do not drop the connector in the headlight assembly LH.

  3. REMOVE HEADLIGHT GASKET

    Note


    • If the headlight gasket has been removed, replace it with a new one.

    • When removing the headlight gasket, use static electricity countermeasures SST (desktop anti-static mat set) and observe all precautions to prevent damage to the system by electrostatic discharge (ESD).

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

    1. B000OFE

      Remove the headlight gasket.