Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Vehicle Exterior / Lighting (ext) / Headlight Ecu / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during No. 1 headlight ECU sub-assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Front bumper assembly

Front television camera view adjustment

Panoramic view monitor system

for Initialization

for Calibration

Front bumper assembly (w/ Intelligent clearance sonar system)
  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent clearance sonar system
  • Intuitive parking assist system

No. 1 headlight ECU sub-assembly LH
  • Synchronize vehicle information
  • Initialize No. 1 headlight ECU sub-assembly LH

Lighting System (w/ Automatic Headlight Beam Level Control System)

NOTICE:

If the No. 1 headlight ECU sub-assembly RH is replaced with a new one, vehicle information registration and initialization are not necessary.

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

PROCEDURE

1. REMOVE HEADLIGHT ASSEMBLY

Click here

2. REMOVE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY

NOTICE:

  • Make sure to replace the headlight gasket with a new one. Failure to do so may cause water ingress.
  • If the No. 1 headlight ECU sub-assembly has been struck or dropped, replace it with a new one.

(a) Remove the 3 screws.

(b) Separate the connector cover from the No. 1 headlight ECU sub-assembly.

(c) for Single Beam Headlight:

(1) Disconnect the connector to remove the No. 1 headlight ECU sub-assembly.

(d) except Single Beam Headlight:

(1) Disconnect the 2 connectors to remove the No. 1 headlight ECU sub-assembly.

3. REMOVE HEADLIGHT GASKET

NOTICE:

Make sure to replace the headlight gasket with a new one. Failure to do so may cause water ingress.

(a) Remove the headlight gasket.
    Installation
    INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL HEADLIGHT GASKET (a) Install a n ...

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