LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> General Information >> Identification >> Introduction - General Information (2 Of 2) >> Repair Instruction >> Initialization [08/2016 - 12/2017] >> Initialization [08/2016 - 12/2017]

Initialization [08/2016 - 12/2017]

  1. PROCEDURES NECESSARY WHEN AUXILIARY BATTERY TERMINAL IS DISCONNECTED/RECONNECTED 
    Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
    Memorize steering angle neutral point LKA/LDA system Refer to INITIALIZATION [10/2015 - 08/2019]
    Pre-collision system
    Intelligent clearance sonar system*1
    Parking assist monitor system Refer to INITIALIZATION [10/2015 - 08/2019]
    Panoramic view monitor system Refer to INITIALIZATION [10/2015 - 08/2019]
    Lighting system (w/ Automatic Headlight Beam Level Control System) Refer to INITIALIZATION [10/2015 - 08/2019]
    AFS (Adaptive Front-lighting System) Refer to INITIALIZATION [10/2015 - 08/2019]
    Initialize back door lock Power door lock control system Refer to INITIALIZATION [10/2015 - ]
    Reset back door close position Power back door system Refer to INITIALIZATION [10/2015 - 08/2019]

    *1: When performing learning using the Techstream.

    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, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal.

  2. PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED 
    Replacement Part Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
    ECM assembly Perform Vehicle Identification Number (VIN) registration MIL illuminates Refer to REGISTRATION [10/2015 - ]
    • Throttle body with motor assembly
    • Engine assembly
    • Cylinder head sub-assembly
    • Camshaft (for intake or exhaust camshaft)
    • Camshaft timing gear assembly
    • Camshaft timing exhaust gear assembly
    • Piston or piston ring
    • Mass air flow meter sub-assembly
    • Fuel injector assembly (for port injection)
    • Fuel injector assembly (for direct injection)
    • Fuel pump (for low pressure side)
    • Fuel pump assembly (for high pressure side)
    • Fuel pressure sensor (for low pressure side)
    • Fuel pressure sensor (for high pressure side)
    • Air fuel ratio sensor
    • Heated oxygen sensor
    • Engine coolant temperature sensor
    • Spark plug
    • Ignition coil assembly
    • EGR valve assembly
    • Air intake system parts
    • Exhaust system parts
    • Knock control sensor
    Inspection After Repair
    • Poor idle, etc.
    • Engine start function, etc.
    Refer to INITIALIZATION [10/2015 - ]
    Millimeter wave radar sensor assembly Adjust millimeter wave radar sensor assembly
    • Dynamic radar cruise control system
    • Pre-collision system
    • Forward recognition camera system
    • LKA/LDA system
    Refer to ADJUSTMENT [10/2015 - 03/2018]
    • Forward recognition camera
    • Windshield glass
    Adjust forward recognition camera
    • Dynamic radar cruise control system
    • LKA/LDA system
    • Pre-collision system
    • Forward recognition camera system
    • Automatic High Beam System
    Refer to ADJUSTMENT [10/2015 - 08/2019]
    Absorber Control ECU Registration of Vehicle Identification Information.
    • Interrupts damping force control
    • DTCs are stored
    Refer to PRECAUTION [08/2016 - 08/2019]
    • Tire pressure warning ECU and receiver (Electrical key and tire pressure monitoring system receiver assembly)
    • Tire pressure warning valve and transmitter
    • Register Transmitter ID
    • Initialize tire pressure warning system
    • 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
    Refer to REGISTRATION [10/2015 - 08/2019] for Registration
    Refer to INITIALIZATION [10/2015 - 08/2019] for Initialization
    • Skid control ECU assembly
    • Yaw rate and acceleration sensor
    • Clear stored linear solenoid valve calibration data
    • Perform initialization and calibration of the linear solenoid valve
    • Clear zero point calibration data
    • Perform yaw rate and acceleration sensor zero point calibration
    • DTCs are stored
    • ABS warning light illuminates
    • Brake warning light/yellow (minor malfunction) illuminates
    • Slip indicator light illuminates
    • VSC disabled or malfunctions
    Refer to INITIALIZATION [10/2015 - 08/2018] for Initialization
    Refer to CALIBRATION [10/2015 - 08/2018] for calibration
    • Brake pedal stroke sensor assembly
    • Brake pedal support assembly
    • Clear stored linear solenoid valve calibration data
    • Perform initialization and calibration of the linear solenoid valve
    Brake actuator assembly
    • Bleed air
    • Clear stored linear solenoid valve calibration data
    • Perform initialization and calibration of the linear solenoid valve
    Parking Brake ECU assembly Operate the electric parking brake switch assembly Parking brake indicator light (red) blinks when the power switch is first turned on (IG) Refer to PRECAUTION [08/2016 - 03/2018]
    Power steering ECU assembly
    • Torque Sensor Zero Point Calibration
    • Assist Map Writing
    • DTCs are output
    • Steering effort different between turning steering wheel left and right
    • EPS warning light illuminates
    Refer to CALIBRATION [10/2015 - ]
    Electric power steering column sub-assembly Torque Sensor Zero Point Calibration
    DCM (telematics transceiver) DCM Activation Safety connect system Refer to DCM ACTIVATION [10/2015 - 12/2017]
    Perform code registration (Immobilizer system) Telematics system Refer to REGISTRATION [10/2015 - 08/2019]
    Steering sensor Steering angle neutral point (Initialize intelligent clearance sonar system)
    • Intelligent clearance sonar system
    • Intuitive parking assist system (w/ Intelligent Clearance Sonar System)
    Refer to CALIBRATION [08/2016 - 03/2018]
    • Suspension, tires, etc.*1
    • Front bumper assembly
    • Rear bumper assembly
    • Ultrasonic sensor
    • Ultrasonic sensor detection angle
    • Ultrasonic sensor detection angle registration
    Clearance warning ECU assembly
    • Ultrasonic sensor detection angle
    • Steering angle neutral point
    • Registration of bumper type
    • Ultrasonic sensor detection angle registration
    Steering sensor
    • Steering angle neutral point (Initialize parking assist monitor system)
    • Steering angle setting
    Parking assist monitor system Refer to INITIALIZATION [10/2015 - 08/2019] for Initialization
    Refer to CALIBRATION [10/2015 - 03/2018] for Calibration
    Suspension, tires, etc.*1 Rear television camera assembly optical axis (Back camera position setting)
    Rear television camera assembly
    • Parking assist monitor system initialization
    • Rear television camera assembly optical axis (Back camera position setting)
    Steering sensor Steering angle neutral point (Initialize panoramic view monitor system) Panoramic view monitor system Refer to INITIALIZATION [10/2015 - 08/2019] for Initialization
    Refer to CALIBRATION [10/2015 - 03/2018] for Calibration
    Parking assist ECU
    • Parking assist ECU initialization
    • Adjust steering angle
    Rear television camera assembly Rear television camera view adjustment
    • Front television camera assembly
    • Front bumper assembly
    • Radiator grille
    Front television camera view adjustment
    • Side television camera assembly LH
    • Outer rear view mirror assembly LH
    • Side television camera assembly RH
    • Outer rear view mirror assembly RH
    Side television camera view adjustment
    • Front television camera assembly, front bumper assembly or radiator grille
    • 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
    Suspension, tires, etc.*1
    • Parking assist ECU initialization
    • Adjust steering angle
    Blind spot monitor sensor Blind Spot Monitor Beam Axis Adjustment
    • Intelligent clearance sonar system
    • Blind spot monitor system
    Refer to OPERATION CHECK [10/2015 - 03/2018]
    • Inner rear view mirror assembly
    Re-registration of Codes in The Garage Door Opener System
    • Register Transmitter Code
    • Rolling Code Systems
    Garage door opener system Refer to REGISTRATION [10/2015 - ]
    • Certification ECU (smart key ECU assembly)
    • ID code box (immobilizer code ECU)
    • Steering lock ECU (steering lock actuator or upper bracket assembly)
    • Electrical key transmitter sub-assembly
    • Hybrid vehicle control ECU assembly
    • Main body ECU (multiplex network body ECU)
    Perform code registration (Immobilizer system)
    • Wireless door lock control system
    • Smart Access System with Push-button Start
    • Hybrid control system cannot be started
    • Steering lock system
    Refer to REGISTRATION [10/2015 - 08/2019]
    • Occupant detection ECU
    • Front passenger seat
    Zero point calibration (Occupant classification system)
    • Occupant classification system
    • Passenger airbag ON/OFF indicator
    • Airbag system (Front passenger side)
    • Seat belt warning system (Front passenger)
    Refer to INITIALIZATION [10/2015 - ]
    • Position control ECU and switch assembly LH
    • Front seatback frame sub-assembly LH
    • Front seat adjuster assembly LH
    Initialize position control ECU Front Power Seat Control System (w/ Memory) Refer to REGISTRATION [10/2015 - ]
    • Fold seat control ECU (for LH side)
    • Fold seat control ECU (for RH side)
    • Rear seatback frame sub-assembly LH
    • Rear seatback frame sub-assembly RH
    Initial position memorization Rear power seat function Refer to INITIALIZATION [10/2015 - ]
    • No. 1 air conditioning radiator damper servo sub-assembly
    • No. 2 air conditioning radiator damper servo sub-assembly
    • No. 3 air conditioning radiator damper servo sub-assembly
    • No. 1 blower damper servo sub-assembly
    • Air conditioning amplifier assembly
    Initialize servo motor (Air conditioning system) DTCs are stored Refer to INITIALIZATION [10/2015 - ]
    • Door window regulator assembly
    • Power window regulator motor sub-assembly
    • Door glass
    • Door glass run
    Initialize Power Window Control System
    • Auto up and down function
    • Jam protection function
    • Key-linked function
    • Wireless transmitter-linked function
    • Key-off operation function
    • Catch protection function
    • Window open warning function
    Refer to INITIALIZATION [10/2015 - ]
    • Sliding roof ECU (sliding roof drive gear sub-assembly)
    • Sliding roof glass sub-assembly
    • Sliding roof drive cable sub-assembly
    Initialize Sliding Roof System
    • Auto operation function
    • Jam protection function
    • Key-off operation function
    • Key-linked function
    • Wireless transmitter-linked function
    • Sliding roof open warning function
    Refer to INITIALIZATION [10/2015 - ]
    • Sliding roof ECU (sliding roof drive gear)
    • Slide roof housing panel
    • Slide roof rail sub-assembly
    • Sliding roof glass sub-assembly
    Initialize panoramic moon roof system (for Sliding Roof)
    • Auto operation function
    • Jam protection function
    • Key-off operation function
    • Key-linked function
    • Wireless transmitter linked function
    • Sliding roof open warning function
    Refer to INITIALIZATION [10/2015 - ]
    • Roof sunshade ECU (sliding roof drive gear assembly)
    • Sunshade trim sub-assembly
    • Slide roof rail sub-assembly
    Initialize panoramic moon roof system (for Roof Sunshade)
    • Auto operation function
    • Jam protection function
    • Key-off operation function
    Multiplex network door ECU Reset Back Door Close Position Power back door system Refer to INITIALIZATION [10/2015 - 08/2019]
    Headlight ECU sub-assembly LH
    • Synchronize vehicle information
    • Initialize headlight ECU sub-assembly LH
    • Automatic headlight beam level control system
    • AFS (Adaptive front-lighting system)
    Refer to INITIALIZATION [10/2015 - 08/2019]
    Rear height control sensor sub-assembly RH Initialize headlight ECU sub-assembly LH
    Suspension, tires, etc.*1

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