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Home >> Lexus >> 2016 >> GS F >> Repair and Diagnosis >> General Information >> Identification >> Introduction - General Information >> Repair Instruction >> Initialization [09/2016 - 09/2017] >> Initialization [09/2016 - 09/2017]
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Initialization [09/2016 - 09/2017]

  1. PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED 
    Necessary Procedures Effect/Inoperative Function When Necessary Procedures are not Performed Link
    Memorize steering angle neutral point Parking assist monitor system Refer to INITIALIZATION [10/2015 - ]
    Lane departure alert system (w/ Steering Control) Refer to INITIALIZATION [10/2015 - ]
    Pre-collision system
    Reset power trunk lid Power trunk lid system Refer to INITIALIZATION [10/2015 - ]
    NOTE:
    • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 60 seconds before disconnecting the cable from the negative (-) battery terminal. (w/ Navigation System)
    • After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 80 seconds before disconnecting the cable from the negative (-) battery terminal. (w/o Navigation System)
  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 Refer to REGISTRATION [10/2015 - ]
    ECU communication ID registration (Immobilizer system) Engine start function Refer to REGISTRATION [10/2015 - ]
    • Throttle body with motor assembly
    • Cleaning the deposits from the throttle body with motor assembly
    • Cam timing control motor with EDU assembly
    • Removal and installation of a cam timing control motor with EDU assembly
    • Camshaft timing intake gear assembly
    • Removal and installation of a camshaft timing intake gear assembly
    • Engine assembly
    • Cylinder head sub-assembly
    • Camshaft (for intake or exhaust camshaft)
    • Camshaft timing exhaust gear assembly
    • Piston or piston ring
    • Mass air flow meter
    • Port fuel injector assembly
    • Direct fuel injector assembly
    • Fuel pump with filter assembly (for low pressure side)
    • Fuel pump with seal sub-assembly (for high pressure side)
    • Air fuel ratio sensor
    • Heated oxygen sensor
    • Engine coolant temperature sensor
    • Spark plug
    • Ignition coil assembly
    • Adjust valve clearance
    • Air leaks from intake system
    • Gas leaks from exhaust system
    • Knock 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
    • Lane departure alert system (w/ Steering Control)
    		 Refer to ADJUSTMENT [10/2015 - ]
    • Forward recognition camera
    • Windshield glass
    		 Adjust forward recognition camera
    • Dynamic radar cruise control system
    • Pre-collision system
    • Forward recognition camera system
    • Lane departure alert system (w/ Steering Control)
    • Automatic high beam system
    		 Refer to ADJUSTMENT [10/2015 - 09/2017]
    Automatic transmission assembly
    1. Set transmission compensation code (step 1)*1
    2. Perform road test to allow TCM to learn
    • Large shift shock
    • Deterioration of fuel efficiency
    • Valve body assembly
    • Shift solenoid valve SL1, 2, 3, 4 and 5
    		 Perform road test to allow TCM to learn
    TCM
    (If possible, read the transmission compensation code from the previous TCM)
    1. Transfer transmission compensation code (step 2)*2
    2. Perform road test to allow TCM to learn
    TCM
    (If impossible, the transmission compensation code cannot be read from the previous TCM)
    1. Set transmission compensation code (step 1)*3
    2. Perform road test to allow TCM to learn
    Engine assembly
    1. Reset memory
    2. Perform road test to allow TCM to learn
    ECM Reset memory
    Torque vectoring differential ECU assembly All learning Torque vectoring differential system Refer to CALIBRATION [10/2015 - ]
    Torque vectoring differential motor sub-assembly Motor exchange learning
    Torque vectoring differential FDU (Final Drive Unit) ASSY exchange learning
    Absorber control ECU Perform registration of vehicle identification information
    • Interrupts damping force control
    • DTCs are stored
    		 Refer to TEST MODE PROCEDURE [09/2016 - ]
    • 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
    Skid control ECU (brake actuator assembly) Perform yaw rate and acceleration sensor and roll rate and vertical acceleration sensor zero point calibration and store system information
    • VSC disabled or malfunctioning
    • DTCs are output
    • Slip indicator light illuminated
    • ABS warning light illuminated
    		 Refer to CALIBRATION [10/2015 - 09/2017]
    • Yaw rate and acceleration sensor
    • Roll rate and vertical acceleration sensor
    1. Clear zero point calibration data and system information
    2. Perform yaw rate and acceleration sensor and roll rate and vertical acceleration sensor zero point calibration and store system information
    Electric parking brake ECU
    • Reset memory
    • Acquire tension sensor zero point
    		 Electric parking brake system Refer to INITIALIZATION [10/2015 - ]
    Parking brake actuator assembly with bracket
    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
    		 Perform rotation angle sensor initialization and torque sensor zero point calibration
    • DTCs are output
    • Steering effort different between turning steering wheel left and right
    		 Refer to CALIBRATION [10/2015 - ]
    Power steering ECU assembly Assist map writing
    • DTCs are output
    • EPS warning light illuminated
    Spiral cable with sensor sub-assembly
    • Steering angle neutral point (Initialize parking assist monitor system)
    • Steering angle setting
    		 Parking assist monitor system
    Suspension, tires, etc. 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)
    Blind spot monitor sensor Blind spot monitor beam axis adjustment DTCs are output Refer to OPERATION CHECK [09/2016 - ]
    • Inner rear view mirror assembly
    • Garage door opener transmitter
    		 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 - ]
    DCM (Telematics Transceiver)*4 DCM activation Safety connect system Refer to DCM ACTIVATION [10/2015 - 09/2017]
    • Certification ECU (smart key ECU assembly)
    • ID code box (immobilizer code ECU)
    • Steering lock ECU (steering lock actuator assembly)
    • ECM
    • Main body ECU (multiplex network body ECU)
    • Electrical key transmitter sub-assembly
    • DCM (Telematics Transceiver)*4
    		 Code registration (Immobilizer system)
    • Wireless door lock control system
    • Smart Access system with push-button start
    • Engine start
    • Steering lock system
    • Telematics system*4
    		 Refer to REGISTRATION [10/2015 - ]
    • Occupant detection ECU
    • Front seat adjuster assembly (for Front Passenger Side)
    		 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 [10/2015 - ]
    • Position control ECU and switch assembly (driver seat)
    • Front seatback frame sub-assembly (driver seat)
    • Front seat adjuster assembly (driver seat)
    • Position control ECU and switch assembly (front passenger seat)
    • Front seatback frame sub-assembly (front passenger seat)
    • Front seat adjuster assembly (front passenger seat)
    		 Initialize position control ECU Front Power Seat Control System Refer to REGISTRATION [10/2015 - ]
    Air conditioning amplifier assembly Memory registration Memory call function Refer to PRECAUTION [10/2015 - ]
    • Air conditioning amplifier 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
    • No. 1 blower damper servo sub-assembly
    		 Initialization servo motor (Air conditioning system) DTCs are output Refer to INITIALIZATION [10/2015 - ]
    • Door window regulator sub-assembly
    • Power window regulator motor assembly
    • Door glass
    • Door glass run
    		 Initialize power window control system
    • Auto up and down function
    • Jam protection function
    • Catch protection function
    • Remote control function
    • Key-linked function
    • Wireless transmitter-linked function
    • Key-off operation 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 - ]
    • Luggage closer motor assembly
    • MPX-B fuse
    • Luggage door closer assembly
    		 Initialization Power trunk lid system Refer to INITIALIZATION [10/2015 - ]
    Headlight control computer assembly LH
    1. Synchronize the vehicle information
    2. Perform headlight control computer assembly LH initialization
    		 Headlight leveling function Refer to INITIALIZATION [10/2015 - ]
    Rear height control sensor sub-assembly Perform headlight control computer assembly LH initialization
    *1: New automatic transmission's compensation code.
    *2: Read the compensation code from the previous TCM, then transfer it to the new TCM.
    *3: Set the transmission compensation code of the current automatic transmission.
    *4: w/ DCM (Telematics Transceiver)
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