REPAIR INSTRUCTION INITIALIZATION


  1. PROCEDURES NECESSARY WHEN AUXILIARY BATTERY TERMINAL IS DISCONNECTED/RECONNECTED

    Necessary Procedures Effect/Inoperative Function When Necessary Procedures are not Performed Link
    Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

    Click here

    Pre-collision system
    Intelligent clearance sonar system*1
    Adaptive High Beam System
    Parking assist monitor system

    Click here

    Panoramic view monitor system

    Click here


      w/ Power Back Door:

    • Reset back door close position

    Power back door function

    Click here


      w/o Power Back Door:

    • Power back door initialization

    Power door lock control system

    Click here

    *1: When performing learning using the GTS.

    Click here

    Note

    After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

    Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal
    System Name See Procedure
    Vehicle enrolled in telematics system (w/ Telematics Transceiver for G-BOOK) 6 minutes
    Vehicle not enrolled in telematics system (w/ Telematics Transceiver for G-BOOK) 1 minute
  2. PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

    Replacement Part Necessary Procedure Effect / Inoperative Function when Necessary Procedures are not Performed Link
    ECM Vehicle Identification Number (VIN) registration MIL comes on

    for 2AR-FXE, w/ EGR System:

    Click here

    for 2AR-FXE, w/o EGR System:

    Click here

    for 2AR-FXE, w/ Canister Pump Module:

    Click here


    • Throttle body with motor assembly

    • Cleaning the deposits from the throttle body with motor assembly

    • Engine assembly

    • Cylinder head sub-assembly

    • Camshaft (for intake or exhaust camshaft)

    • Camshaft timing gear assembly

    • Piston or piston ring

    • Mass air flow meter sub-assembly

    • Fuel injector assembly

    • Fuel pump

    • Air fuel ratio sensor

    • Heated oxygen sensor*2

    • Engine coolant temperature sensor

    • Spark plug

    • Ignition coil assembly

    • EGR valve assembly*1, *2

    • Air leaks from intake system

    • Gas leaks from exhaust system

    • Knock control sensor

    Inspection after repair Poor idle, engine start, etc.

    for 2AR-FXE, w/ EGR System:

    Click here

    for 2AR-FXE, w/o EGR System:

    Click here

    for 2AR-FXE, w/ Canister Pump Module:

    Click here

    Service plug grip Perform high voltage fuse accumulated load history reset Perform high voltage fuse accumulated load history reset

    Click here


    • Forward recognition camera

    • Windshield glass

    Adjust forward recognition camera
    • Dynamic radar cruise control system

    • Forward recognition camera system

    • Lane departure alert system (w/ Steering Control)

    • Pre-collision system

    • Automatic high beam system

    • Adaptive High Beam System

    Click here

    Millimeter wave radar sensor assembly Adjust millimeter wave radar sensor assembly
    • Dynamic radar cruise control system

    • Forward recognition camera system

    • Lane departure alert system (w/ Steering Control)

    • Pre-collision system

    Click here

    Absorber control ECU Perform registration of vehicle identification information
    • Interrupts damping force control

    • DTCs are output

    Click here


    • Tire pressure warning ECU and receiver

    • Tire pressure warning valve and transmitter


    • Transmitter ID registration

    • Initialization


    • When DTC detection conditions of "transmitter ID not received" DTC are met, TPWS indicator blinks for 1 minute, and then illuminates.

    • Tire pressure warning function

    for Registration:

    Click here

    for Initialization:

    Click here


    • Brake pedal stroke sensor assembly

    • Brake pedal


    1. Clear stored linear solenoid valve calibration data.

    2. Perform initialization and calibration of the linear solenoid valve.


    • DTCs are output

    • ABS warning light illumination

    • Brake warning light/yellow (minor malfunction) illumination

    • Slip indicator light illumination

    • VSC disable or malfunctioning

    Click here

    Brake booster with master cylinder assembly Perform initialization and calibration of the linear solenoid valve
    Skid control ECU (Brake booster with master cylinder assembly)
    • Perform initialization and calibration of the linear solenoid valve

    • Perform yaw rate and acceleration sensor zero point calibration

    Click here

    Yaw rate and acceleration sensor (Airbag ECU assembly)
    1. Clear zero point calibration data.

    2. Perform yaw rate and acceleration sensor zero point calibration.

    Parking brake ECU assembly Operate the electric parking brake switch (integration control and panel assembly) Parking brake indicator light (red) blinks when the power switch is first turned on (IG).

    Click here


    • Power steering ECU assembly

    • Electric power steering column sub-assembly

    Perform torque sensor zero point calibration
    • DTCs are output

    • Steering effort different between turning steering wheel left and right

    for Manual Tilt and Manual Telescopic Steering Column:

    Click here

    for Power Tilt and Power Telescopic Steering Column:

    Click here

    Power steering ECU assembly Assist map writing
    • DTCs are output

    • EPS warning light illuminated

    for Manual Tilt and Manual Telescopic Steering Column:

    Click here

    for Power Tilt and Power Telescopic Steering Column:

    Click here

    Navigation ECU

      for G-BOOK:

    • Vehicle contract setting

    G-BOOK function

    Click here


      for G-BOOK:

    • Download necessary data

    Click here

    Radio receiver assembly

      for G-BOOK:

    • Download necessary data

    G-BOOK function

    Click here

    Telematics transceiver

      for G-BOOK:

    • Vehicle contract setting

    G-BOOK function

    Click here


      except G-BOOK:

    • Register vehicle information

    Emergency call service

    Click here

    Telematics mobile phone battery Reset mobilephone battery condition
    Front bumper assembly

      w/ Intelligent Clearance Sonar System:

    • Measurement of ultrasonic sensor detection angle

    • Ultrasonic sensor detection angle registration


    • Intelligent clearance sonar system

    • LEXUS parking assist-sensor system (w/ Intelligent Clearance Sonar System)

    Click here


      w/ Panoramic View Monitor System:

    • Front television camera view adjustment

    Panoramic view monitor system

    Click here


      w/ Intelligent Clearance Sonar System:

    • Rear bumper assembly

    • Ultrasonic sensor


    • Measurement of ultrasonic sensor detection angle

    • Ultrasonic sensor detection angle registration


    • Intelligent clearance sonar system

    • LEXUS parking assist-sensor system (w/ Intelligent Clearance Sonar System)

    Click here

    Clearance warning ECU assembly

      w/ Intelligent Clearance Sonar System:

    • Measurement of ultrasonic sensor detection angle

    • Steering angle neutral point

    • Bumper type registration

    • Ultrasonic sensor detection angle registration


    • Intelligent clearance sonar system

    • LEXUS parking assist-sensor system (w/ Intelligent Clearance Sonar System)

    Click here


      w/ LEXUS Parking Assist-Sensor System (w/o Intelligent Clearance Sonar System):

    • Registration of bumper type

    LEXUS parking assist-sensor system (w/o Intelligent Clearance Sonar System)

    Click here


      w/ LEXUS Parking Assist-Sensor System (w/o Intelligent Clearance Sonar System):

    • Ultrasonic sensor (front left sensor, front left center sensor, front right center sensor, front right sensor)

    Initialization of ultrasonic sensors (front left sensor, front left center sensor, front right center sensor, front right sensor) LEXUS parking assist-sensor system (w/o Intelligent Clearance Sonar System)

    Click here


      w/ LEXUS Parking Assist-Sensor System (w/o Intelligent Clearance Sonar System):

    • Ultrasonic sensor (rear left sensor, rear left center sensor, rear right center sensor, rear right sensor)

    Initialization of ultrasonic sensors (rear left sensor, rear left center sensor, rear right center sensor, rear right sensor)
    Spiral with sensor cable sub-assembly

      w/ Parking Assist Monitor System:

    • Steering angle neutral point (Initialize parking assist monitor system)

    • Steering angle setting

    Parking assist monitor system

    for Calibration:

    Click here

    for Initialization:

    Click here


      w/ Panoramic View Monitor System:

    • Steering angle neutral point (Initialize panoramic view monitor system)

    • Steering angle setting

    Panoramic view monitor system

    for Calibration:

    Click here

    for Initialization:

    Click here


      w/ Intelligent Clearance Sonar System:

    • Steering angle neutral point (Initialize intelligent clearance sonar system)

    Intelligent clearance sonar system

    Click here


      w/ Panoramic View Monitor System:

    • Parking assist ECU


    • Parking assist ECU initialization

    • Adjust steering angle

    Panoramic view monitor system

    Click here

    Rear television camera assembly

      w/ Parking Assist Monitor System:

    • Parking assist monitor system initialization

    • Rear television camera assembly optical axis (Back camera position setting)

    Parking assist monitor system

    Click here


      w/ Panoramic View Monitor System:

    • Rear television camera view adjustment

    Panoramic view monitor system

    Click here


      w/ Panoramic View Monitor System:

    • Side television camera assembly LH

    • Outer rear view mirror assembly LH

    Side television camera view adjustment Panoramic view monitor system

    Click here


      w/ Panoramic View Monitor System:

    • Front television camera assembly

    • Radiator grille assembly

    Front television camera view adjustment

      w/ Panoramic View Monitor System:

    • Side television camera assembly LH

    • Outer rear view mirror assembly LH

    Side television camera view adjustment

      w/ Panoramic View Monitor System:

    • Side television camera assembly RH

    • Outer rear view mirror assembly RH

    Side television camera view adjustment

      w/ Panoramic View Monitor System:

    • Front television camera assembly, radiator grille assembly or front bumper assembly

    • Rear television camera assembly

    • Side television camera assembly LH or outer rear view mirror assembly LH

    • Side television camera assembly RH or outer rear view mirror assembly RH

    Television camera view adjustment
    Blind spot monitor sensor Blind Spot Monitor Beam Axis Adjustment
    • DTCs are output

    • Blind spot monitor system

    Click here


    • Certification ECU (smart key ECU assembly)

    • Steering lock ECU (steering lock actuator assembly)

    • ID code box (immobiliser code ECU)

    • Main body ECU (multiplex network body ECU)

    • Electrical key transmitter sub-assembly

    • Hybrid vehicle control ECU

    Code registration (Immobiliser system)
    • Wireless door lock control system

    • Entry and start system

    • Push-button start

    • Immobiliser system

    • Steering lock system

    See the Service Bulletin for the registration method.

      w/ Occupant Classification System

    • Occupant detection ECU

    • Front seat assembly RH (occupant classification sensor)


    • Zero point calibration

    • Sensitivity check


    • Occupant classification system

    • Passenger airbag ON/OFF indicator

    • Airbag system (Front passenger side)

    • Seat belt warning system (Front passenger)

    Click here


    • Air conditioning amplifier assembly

    • No. 1 air conditioning radiator damper servo sub-assembly

    • No. 2 air conditioning radiator damper servo sub-assembly

    • No. 1 blower mode damper servo sub-assembly

    Initialization servo motor (Air conditioning system) DTCs are output

    Click here


      w/ Roof Sunshade System:

    • Sliding roof drive gear assembly

    • Sliding roof housing sub-assembly

    Initialization (pulse sensor initial position setting)
    • Auto open and close function

    • Jam protection function

    Click here


    • Door window regulator assembly

    • Power window regulator motor assembly

    • Door glass

    • Door glass run

    Initialize power window control system
    • Auto up and down function

    • Jam protection function

    • Remote control function

    • Key-linked function

    • Wireless transmitter-linked function

    • Key-off operation function

    • Catch protection function

    • Window open warning function

    Click here


      w/ Sliding Roof System:

    • Sliding roof glass sub-assembly

    • Sliding roof drive gear sub-assembly (sliding roof ECU)

    Initialize sliding roof system
    • Auto operation function

    • Jam protection function

    • Key-off operation function

    • Key-linked function

    • Sliding roof open warning function

    • Wireless transmitter-linked function

    Click here


      w/ Power Back Door System:

    • Multiplex network door ECU

    Initialize power back door system Power back door system

    Click here


      w/ Power Back Door System:

    • Multiplex network door ECU

    • Kick door control sensor*3

    Reset connection history There are cases where the connection history display differs from the vehicle condition

    Click here

    Headlight ECU sub-assembly LH
    • Synchronize the vehicle information

    • Perform headlight ECU sub-assembly LH initialization


    • Headlight leveling function

    • Adaptive High Beam System

    Click here

    Work that changes the vehicle height such as replacement or removal/installation of the rear height control sensor sub-assembly LH or replacement of suspension components Perform headlight ECU sub-assembly LH initialization
    Wheel alignment adjustment
    1. Clear zero point calibration data.

    2. Perform yaw rate and acceleration sensor zero point calibration.

    VSC malfunctioning

    Click here

    Suspension, tires, etc.*4

      w/ Parking Assist Monitor System:

    • Rear television camera assembly optical axis (Back camera position setting)

    Parking assist monitor system

    Click here


      w/ Intelligent Clearance Sonar System:

    • Measurement of ultrasonic sensor detection angle

    • Ultrasonic sensor detection angle registration

    Intelligent clearance sonar system

    Click here


      w/ Panoramic View Monitor System:

    • Parking assist ECU initialization

    • Adjust steering angle

    Panoramic view monitor system

    Click here

    *1: for 2AR-FXE, w/ EGR System

    *2: for 2AR-FXE, w/ Canister Pump Module

    *3: w/ Hands Free Power Back Door

    *4: The vehicle height changes because of suspension or tire replacement