HEADLIGHT ECU 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	Ultrasonic sensor detection angle (w/ Intelligent clearance sonar system) Ultrasonic sensor detection angle registration (w/ Intelligent clearance sonar system)	Intelligent clearance sonar system Simple intelligent parking assist system	Click here
Front bumper assembly	Change grille shutter control mode and/or perform initialization	Grille Shutter system	Click here
No. 1 headlight ECU sub-assembly LH	Synchronize vehicle information Initialize No. 1 headlight ECU sub-assembly LH	Automatic headlight beam level control system Adaptive high beam system*1	Click here

*1: w/ Adaptive High Beam System

Note

If the No. 1 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 side and LH side.
The following procedure is for the LH side.

PROCEDURE

REMOVE HEADLIGHT ASSEMBLY

Click here
REMOVE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY
Note

Make sure to replace the headlight gasket with a new one. Failure to do so may cause water ingress.
1. Remove the 3 screws.
2. Separate the connector cover from the No. 1 headlight ECU sub-assembly.
3. Disconnect the 2 connectors to remove the No. 1 headlight ECU sub-assembly.
  
  Note
  
  If the No. 1 headlight ECU sub-assembly has been struck or dropped, replace it with a new one.
REMOVE HEADLIGHT GASKET
Note

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