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Home >> Lexus >> 2021 >> LX 570 >> Repair and Diagnosis >> General Information >> Identification >> Introduction - General Information >> Repair Instruction >> Initialization [09/2015 - 08/2019] >> Initialization [09/2015 - 08/2019]

Initialization [09/2015 - 08/2019]

  1. PROCEDURES NECESSARY WHEN CABLE IS DISCONNECTED/RECONNECTED TO BATTERY TERMINAL 
    PROCEDURES NECESSARY WHEN CABLE IS DISCONNECTED/RECONNECTED TO BATTERY TERMINAL

    Necessary Procedure Effect or Inoperative Function when Necessary Procedure is not Performed Proceed to
    Initialization of steering sensor VGRS system function Refer to INITIALIZATION [09/2015 - ]
    Correction of steering angle neutral point Multi-terrain monitor system function Refer to INITIALIZATION [09/2015 - ]
    NOTE:

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

    WAITING TIME BEFORE DISCONNECTING CABLE FROM NEGATIVE (-) BATTERY TERMINAL

    Condition Waiting Time
    Vehicle enrolled in safety connect system 6 minutes
    Vehicle not enrolled in safety connect system 1 minute
  2. PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED 
    PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

    Replacement Part Necessary Procedures Effects / Inoperative Functions When Necessary Procedures are not Performed Notes
    ECM for 3UR-FE:
    1. Register VIN
    		 DTC P0630 is output Refer to REGISTRATION [09/2015 - ]
    for AE80F:
    1. Perform road test to allow TCM to learn
    • Large shift shock
    • Engine overruns
    		 Refer to INITIALIZATION [09/2015 - ]
    for 3UR-FE:
    • Throttle body assembly
    • Cleaning the deposits from the throttle body 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
    • Fuel pump
    • Air fuel ratio sensor
    • Heated oxygen sensor
    • Engine coolant temperature sensor
    • Spark plug
    • Ignition coil assembly
    • Air leaks from air induction system
    • Gas leaks from exhaust system
    • Knock control sensor
    		 Initialization Engine control system Refer to INITIALIZATION [09/2015 - ]
    Millimeter wave radar sensor assembly Adjusting the radar beam axis
    • Lane departure alert system
    • Dynamic radar cruise control system
    • Pre-collision system
    		 Refer to ADJUSTMENT [09/2015 - ]
    • Forward Recognition camera
    • Windshield glass
    		 Adjust forward recognition camera
    • Lane departure alert system
    • Forward recognition camera system
    • Dynamic radar cruise control system
    • Pre-collision system
    • Automatic high beam system
    		 Refer to ADJUSTMENT [09/2015 - ]
    • Automatic transmission assembly
    • Transmission valve body assembly
    • Shift solenoid valve SL1, SL2, SL3, SL4, SL5
    • TCM
    • Reset memory
    • Perform road test to allow TCM to learn
    • Large shift shock
    • Engine overruns
    		 Refer to INITIALIZATION [09/2015 - ]
    Engine assembly Perform road test to allow TCM to learn
    Automatic transmission fluid ATF thermal degradation estimate reset The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly.
    • Suspension control ECU
    • Height control sensor
    		 Vehicle height offset calibration Vehicle height sensor date may be affected due to installation position, or vehicle height recognition may be erroneous Refer to INITIALIZATION [09/2015 - ]
    • Tire pressure warning ECU and receiver
    • Tire pressure warning valve and transmitter
    1. Register transmitter IDs
    2. Initialize tire pressure warning system
    3. Tire Position Identification
    • When DTC detection conditions of "transmitter ID not received" DTC is met, tire pressure warning light blinks for 1 minute, and then illuminates
    • Tire pressure monitoring function of replaced wheel
    • Tire Inflation Pressure Display Function
    		 Refer to REGISTRATION [09/2015 - 08/2020] (for Registration)
    Refer to INITIALIZATION [09/2015 - 08/2020] (for Initialization)
    • Skid Control ECU (Master Cylinder Solenoid)
    • Yaw Rate Sensor Assembly
    • Clearing zero point calibration data
    • Yaw rate and acceleration sensor zero point calibration
    • ABS warning light illumination
    • Slip indicator light illumination
    		 Refer to CALIBRATION [09/2015 - 08/2017] , or refer to CALIBRATION [08/2017 - ]
    Parking brake ECU assembly
    • Reset Memory
    • Acquire tension sensor zero point
    		 Electric parking brake system Refer to INITIALIZATION [09/2015 - 08/2020]
    Parking brake with bracket actuator assembly
    HINT: 
    Replaced or removed and installed
    • Reset Memory
    • Acquire tension sensor zero point
    • Parking brake bedding
    • Parking brake shoe
    • Rear disc
    HINT: Replaced or removed and installed    		 Parking brake bedding
    • Steering control ECU
    • Steering actuator assembly
    • Steering wheel assembly
    • Steering column assembly
    • Steering intermediate shaft
    • Power steering link assembly
    		 Calibration
    • VGRS system
    • DTC output
    		 Refer to CALIBRATION [09/2015 - 08/2020]
    Steering sensor Steering angle neutral point (Initialize multi-terrain monitor system) Multi-terrain Monitor system Refer to CALIBRATION [09/2015 - ] (for Calibration)
    Refer to INITIALIZATION [09/2015 - ] (for Initialization)
    Parking assist ECU
    • Parking assist ECU initialization
    • Adjust steering angle
    Rear television camera assembly (Including removal and installation) Rear television camera view adjustment
    • Front television camera assembly (Including removal and installation)
    • Radiator grille assembly (Including removal and installation)
    • Front bumper assembly (Including removal and installation)
    		 Front television camera view adjustment
    • Side television camera assembly LH (Including removal and installation)
    • Outer rear view mirror assembly LH (Including removal and installation)
    • Side television camera assembly RH (Including removal and installation)
    • Outer rear view mirror assembly RH (Including removal and installation)
    		 Side television camera view adjustment
    • 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
    HINT: 
    Replacement or removal and installation of 2 or more parts
    Suspension, tires, etc. Adjust steering angle
    Blind spot monitor sensor Blind spot monitor beam axis inspection
    • DTCs are output
    • Blind spot monitor system
    		 Refer to OPERATION CHECK [09/2015 - 08/2016] , or refer to OPERATION CHECK [08/2016 - ]
    Inner rear view mirror assembly Registration Garage door does not operative Refer to REGISTRATION [09/2015 - ]
    DCM (Telematics Transceiver) DCM Activation Safety connect system does not operative Refer to DCM ACTIVATION [09/2015 - 08/2017] , or refer to DCM ACTIVATION [08/2017 - ]
    Registration Remote operation Refer to REGISTRATION [09/2015 - 08/2020]
    • Certification ECU (smart key ECU assembly)
    • ID code box (immobilizer code ECU)
    • Steering lock ECU (steering lock actuator assembly)
    • Electrical key transmitter sub-assembly
    • ECM
    • Main body ECU (multiplex network body ECU)
    		 Registration
    • Wireless door lock operation
    • Entry operation
    • Engine starting
    • Steering unlock
    No. 1 seat cushion assembly (occupant classification ECU and occupant detection sensor)
    • Zero point calibration
    • Registration
    • Sensitivity check
    • Occupant classification system
    • Passenger airbag ON/OFF indicator
    • Airbag system (Front passenger side)
    • Seat belt warning system (Front passenger side)
    		 Refer to REGISTRATION [09/2015 - ] (for registration)
    Refer to INITIALIZATION [09/2015 - ] (for initialization)
    Servo motors Servomotors initialization Air conditioning system does not operate properly Refer to INITIALIZATION [09/2015 - ]
    • Door window regulator assembly
    • Power window regulator motor assembly
    • Door glass
    • Door glass run
    		 Initialize the motor
    • Auto up and down function
    • Jam protection function
    • Catch protection function
    • Key-linked function
    • Wireless transmitter-linked function
    • Key-off operation function
    		 Refer to INITIALIZATION [09/2015 - ]
    • Sliding roof drive gear (Sliding roof ECU)
    • Sliding roof glass
    		 Initialize sliding roof system
    • Auto operation
    • Jam protection function
    • Sliding roof operation after engine switch off
    • Wireless door lock control function
    • Key-linked operation function (Driver side door only)
    • Entry lock switch-linked operation
    		 Refer to INITIALIZATION [09/2015 - ]
    Headlight ECU sub-assembly LH Headlight ECU sub-assembly LH initialization Beam axis deviation Refer to INITIALIZATION [09/2015 - 08/2020]

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