Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2025 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)

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.

(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 ...

Height Control Sensor

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Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/o Automatic Headlight Beam Level Control System): Automatic High Beam Camera (B124C)
DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B124C Automatic Hig ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Side Turn Signal Light Assembly: Components
COMPONENTS ILLUSTRATION *1 NO. 1 OUTER MIRROR COVER *2 NO. 2 OUTER MIRROR COVER *3 OUTER MIRROR *4 OUTER MIRROR HOLE COVER *5 SIDE TURN SIGNAL LIGHT ASSEMBLY - - ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Removal

Installation

Height Control Sensor

Other materials:

Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual