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
Headlight ECU sub-assembly LH

  • Vehicle information registration for the headlight ECU sub-assembly LH

  • Initialization of 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. REMOVE WASHER INLET (for RH Side)


    1. B006PPE

      Remove the clip and washer inlet.

  2. REMOVE HEADLIGHT ECU SUB-ASSEMBLY LH

    Note


    • 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.


    1. Release the connector lock lever and disconnect the connector.

      B006QVCC01
      *A for ALPHARD *B for VELLFIRE
      *a Connector Lock Lever - -

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

      B006N76C01
      *A for ALPHARD *B for VELLFIRE

    3. Disconnect the connector.

      Note

      Do not drop the connector in the headlight assembly LH.

      B006MQAC01
      *A for ALPHARD *B for VELLFIRE

  3. REMOVE HEADLIGHT GASKET


    1. B006N9Z

      Remove the headlight gasket.

      Note

      Do not reuse the headlight gasket.