Lexus NX: Initialization

INITIALIZATION

NOTICE:

  • The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during headlight ECU sub-assembly LH removal/installation are shown below.

    Performed Work or System Condition

    Necessary Procedures

    Proceed to

    Replacement of the headlight ECU sub-assembly LH and headlight assembly LH

    Synchronize the vehicle information

    Perform headlight ECU sub-assembly LH initialization

    Replacement of the rear height control sensor sub-assembly LH, removal and reinstallation of the rear height control sensor sub-assembly LH, replacement of the suspension, etc. have been performed

    Perform headlight ECU sub-assembly LH initialization

    Auxiliary battery terminal is disconnected and connected

    Steering sensor zero point calibration

  • If the steering sensor zero point calibration is not performed, the AFS (adaptive front-lighting system) and cornering lights may not operate correctly.
  • A new headlight ECU sub-assembly LH cannot operate until the vehicle information is registered.
  • After replacing the headlight ECU sub-assembly LH, it is necessary to perform vehicle information registration and initialization.
  • Even if the headlight ECU sub-assembly RH is replaced with a new one, vehicle information registration and initialization are not necessary.

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 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH. Click he

 Terminals Of Ecu

TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here CHECK HEADLIGHT ECU SUB-ASSEMBLY LH Click here CHECK HEADLIGHT ECU SUB-ASS

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / AFS / Trouble Codes.

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 Installation

INSTALLATION PROCEDURE 1. INSTALL AUTOMATIC LIGHT CONTROL SENSOR (a) Attach the 2 claws to install the automatic light control sensor. 2. INSTALL NO. 1 SPEAKER OPENING COVER ASSEMBLY Click here 3. INSPECT AUTOMATIC LIGHT CONTROL SYSTEM for Single Beam Headlight: Click here for Triple Beam He

 High Mounted Stop Light Assembly

ComponentsCOMPONENTS ILLUSTRATION *1 CENTER STOP LIGHT ASSEMBLY *2 REAR SPOILER ASSEMBLY RemovalREMOVAL PROCEDURE 1. REMOVE REAR SPOILER ASSEMBLY Click here 2. REMOVE CENTER STOP LIGHT ASSEMBLY (a) Remove the 2 screws and center stop light assembly. (b) Disconnect

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