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Home >> Lexus >> 2017 >> GS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> General Information >> Identification >> Introduction - General Information >> Repair Instruction >> Initialization [09/2014 - 10/2015] >> Initialization [09/2014 - 10/2015]

Initialization [09/2014 - 10/2015]

  1. PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED 
    Necessary Procedures Effect/Inoperative Function When Necessary Procedures are not Performed Reference
    Correction of steering angle neutral point Steering effort varies Refer to CALIBRATION [09/2014 - ]
    Parking assist monitor system Refer to INITIALIZATION [09/2014 - ]
    Luggage closer motor assembly Power trunk lid system Refer to INITIALIZATION [09/2014 - ]
    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 
    Replacement Part Necessary Procedures Effects / Inoperative Functions When Necessary Procedures are not Performed Reference
    ECM Register VIN DTC P0630 is output Refer to REGISTRATION [09/2014 - 10/2015]
    • 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 (for port injection)
    • Fuel injector assembly (for direct injection)
    • Fuel pump (for low pressure side)
    • Fuel pump (for high pressure side)
    • Air fuel ratio sensor
    • Heated oxygen sensor
    • Engine coolant temperature sensor
    • Spark plug
    • Ignition coil assembly
    • Air leaks from intake system
    • Gas leaks from exhaust system
    • Knock sensor
    Inspection after repair Poor idle, engine starting, etc. Refer to INITIALIZATION [09/2014 - 10/2015]
    Lane recognition camera sensor
    HINT: 
    Replaced or removed and installed
    Lane recognition camera sensor adjustment Lane-keeping assist system does not operate normally Refer to ADJUSTMENT [09/2014 - 10/2015]
    Driving support ECU Initialization DTCs are output Refer to INITIALIZATION [09/2014 - 10/2015]
    Millimeter wave radar sensor assembly Adjusting the radar beam axis Dynamic radar cruise control system does not operate normally Refer to ADJUSTMENT [09/2014 - 10/2015]
    for A760H
    • Automatic w/ transfer transmission assembly
    • ECM
    • Engine assembly
    Reset memory
    • Large shift shock
    • Shift learning cannot be completed properly
    Refer to INITIALIZATION [09/2014 - 10/2015]
    for AA81E
    • Automatic transmission assembly
    1. Set transmission compensation code
    2. Learning by driving (Road test)
    3. Reset memory
    • Large shift shock
    • Engine overruns
    Refer to REGISTRATION [09/2014 - 10/2015] (for Registration)
    Refer to INITIALIZATION [09/2014 - 10/2015] (for Initialization)
    for AA81E
    • Valve body assembly
    • Shift solenoid valve SL1, 2, 3, 4, 5
    Learning by driving (Road test)
    for AA81E
    • TCM
    1. Set transmission compensation code
    2. Learning by driving (Road test)
    for AA81E
    • Engine assembly
    1. Reset memory
    2. Learning by driving (Road test)
    for AA81E
    • ECM
    Reset memory
    for A760H
    • Automatic transmission fluid
    ATF thermal degradation estimate reset The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly. Refer to INITIALIZATION [09/2014 - 10/2015]
    4WD ECU assembly
    HINT: 
    When replacing the 4WD ECU assembly with a new one, it is not necessary to perform initialization.
    Reset memory Initial AWD performance may be affected. Refer to INITIALIZATION [09/2014 - ]
    Absorber control ECU Test mode procedure Adaptive variable suspension system Refer to TEST MODE PROCEDURE [09/2014 - 10/2015]
    • Tire pressure warning ECU and receiver
    • Tire pressure warning valve and transmitter
    • Transmitter ID registration
    • Initialization
    Tire pressure warning system Refer to REGISTRATION [09/2014 - 10/2015] (for Registration)
    Refer to INITIALIZATION [09/2014 - 10/2015] (for Initialization)
    Skid control ECU (Brake actuator assembly) Yaw rate and acceleration sensor zero point calibration Vehicle stability control system Refer to CALIBRATION [09/2014 - 10/2015]
    • Yaw rate sensor
    • Front wheel alignment adjustment
    • Clearing zero point calibration data
    • Yaw rate and acceleration sensor zero point calibration
    Electric parking brake ECU
    • Reset memory
    • Acquire tension sensor zero point
    Electric parking brake system Refer to INITIALIZATION [09/2014 - ]
    Parking brake with bracket actuator assembly
    HINT: 
    Replaced or removed and installed
    • Reset memory
    • Acquire tension sensor zero point
    • Parking brake bedding
    • Rear disc
    • Parking brake shoe
    HINT: Replaced or removed and installed
    Parking brake bedding
    • Power steering ECU assembly
    • Power steering link assembly
    Calibration Power steering system Refer to CALIBRATION [09/2014 - ]
    • Front steering control ECU
    • Steering column
    • Steering intermediate shaft
    • Steering actuator assembly
    • Front wheel alignment
    Calibration and initialization Variable gear ratio steering system Refer to INITIALIZATION [09/2014 - ] (for Initialization)
    Refer to CALIBRATION [09/2014 - ] (for Calibration)
    • Rear steering control ECU
    • Rear steering link assembly
    • Rear wheel alignment
    Calibration Dynamic rear steering system Refer to CALIBRATION [09/2014 - ]
    Spiral with sensor cable sub-assembly
    • Steering angle neutral point (Initialize parking assist monitor system)
    • Steering angle setting
    Parking assist monitor system Refer to CALIBRATION [09/2014 - 10/2015]
    Suspension, tires, etc. Rear television camera optical axis (Back camera position setting)
    Rear television camera assembly
    • Night view camera assembly
    • No. 1 night view ECU
    Adjusting the night view camera assembly Night view system does not operate normally Refer to ADJUSTMENT [09/2014 - 10/2015]
    Inner rear view mirror assembly Register transmitter code Garage door opener function Refer to REGISTRATION [09/2014 - 10/2015]
    DCM (Telematics Transceiver) DCM activation Safety connect system Refer to DCM ACTIVATION [09/2014 - 09/2017]
    • Certification ECU (smart key ECU assembly)
    • ID code box (immobilizer code ECU)
    • Main body ECU (multiplex network body ECU)
    • Steering lock ECU (steering lock actuator assembly)
    • Electrical key transmitter sub-assembly
    • DCM (Telematics Transceiver)
    Registration
    • Wireless door lock operation
    • Entry operation
    • Engine starting
    • Steering unlock
    • Telematics system
    Refer to REGISTRATION [09/2014 - 10/2015]
    • Occupant detection ECU
    • Front passenger seat
    Zero point calibration and sensitivity check (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 [09/2014 - ]
    Air Conditioning Amplifier Assembly Memory registration Memory call function Refer to PRECAUTION [09/2014 - ]
    • Air conditioning amplifier assembly
    • No. 1 blower damper servo sub-assembly
    • 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. 4 air conditioning radiator damper servo sub-assembly
    • No. 5 air conditioning radiator damper servo sub-assembly
    • No. 6 air conditioning radiator damper servo sub-assembly
    • No. 7 air conditioning radiator damper servo sub-assembly
    Initialization servo motor (Air conditioning system) Air conditioning system Refer to INITIALIZATION [09/2014 - ]
    • Power seat switch assembly (for Driver Side, Standard Seat Type)
    • Position control ECU assembly (for Driver Side, Sports Seat Type, Luxury Seat Type)
    • Position control ECU assembly (for Front Passenger Side, Luxury Seat Type)
    Position sensor initialization
    • During manual operation, buzzer sounds
    • Memory function does not operate
    • Interference stop control does not operate normally
    • Linked control does not operate normally
    Refer to INITIALIZATION [09/2014 - ]
    • Power window regulator motor assembly
    • Power window regulator sub-assembly
    • Door glass
    • Door glass run
    Initialize power window control system
    • Auto up/down function
    • Jam protection function
    • Wireless transmitter-linked function
    • Key-linked function
    Refer to INITIALIZATION [09/2014 - 10/2015]
    • Sliding roof glass sub-assembly
    • Sliding roof housing sub-assembly
    • Sliding roof drive gear sub-assembly
    • Sliding roof drive cable sub-assembly
    Initialize sliding roof system
    • Auto operation
    • Jam protection function
    • Sliding roof operation after engine switch is turned off
    • Wireless door lock control function
    • Key-linked operation function
    Refer to INITIALIZATION [09/2014 - ]
    • Luggage closer motor assembly
    • MPX-B fuse
    • Luggage door closer assembly
    Initialization Power trunk lid system Refer to INITIALIZATION [09/2014 - ]
    • Headlight swivel ECU
    • Rear height control sensor LH
    Initialization
    • Headlight leveling function (w/o AFS)
    • Headlight leveling and swivel function (w/ AFS)
    Refer to INITIALIZATION [09/2014 - 10/2015]