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Home >> Lexus >> 2016 >> LS 460 L, AWD >> Repair and Diagnosis >> General Information >> Identification >> Introduction - General Information >> Repair Instruction >> Initialization [09/2015 - ] >> Initialization [09/2015 - ]

Initialization [09/2015 - ]

PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED / RECONNECTED

Necessary Procedures Effects / Inoperative Functions When Necessary Procedures are not Performed See
Correction of steering angle neutral point Parking guidance function Refer to INITIALIZATION [09/2015 - ] (for Multi-Media Module Receiver Type)
Refer to INITIALIZATION [09/2015 - ] (for Camera built-in ECU)
Steering angle sensor zero point calibration Adaptive high beam system Refer to OPERATION CHECK [09/2015 - ]
Rear door sunshade position reset operation Rear door sunshade system function Refer to INITIALIZATION [09/2015 - ]
Reset power trunk lid system Power trunk lid 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, be 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 connected system 6 minutes
Vehicle not enrolled in safety connected system 1 minute
WARNING:

Make sure that the bracket of the earth wire is fixed to the vehicle body with the ground bolt.

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Replacement Part Necessary Procedures Effects / Inoperative Functions When Necessary Procedures are not Performed See
  • Throttle body
  • Cleaning the deposits from the throttle body
  • 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
  • Fuel injector (for port injection)
  • Fuel injector (for direct injection)
  • Fuel pump (for low pressure)
  • Fuel pump (for high pressure)
  • Air fuel ratio sensor
  • Heated oxygen sensor
  • Engine coolant temperature sensor
  • Spark plug
  • Ignition coil
  • Air leaks from intake system
  • Gas leaks from exhaust system
  • Knock sensor
Inspection after repair Poor idle, engine starting, etc. Refer to INITIALIZATION [09/2015 - ]
ECM Register VIN DTC P0630 is output Refer to REGISTRATION [09/2015 - ]
Register cruise control system Cruise control system Refer to REGISTRATION [09/2015 - ]
for AA80F 
  1. Automatic w/transfer transmission assembly
  • Set transmission compensation code
  • Learning by driving (Road test)
  • Reset memory
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
for AA80E 
  1. Automatic transmission assembly
  • Set transmission compensation code
  • Learning by driving (Road test)
  • Reset memory
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
for AA80F 
  • Valve body assembly
  • Shift solenoid valve SL1, 2, 3, 4, 5
Learning by driving (Road test)
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
for AA80E 
  • Valve body assembly
  • Shift solenoid valve SL1, 2, 3, 4, 5
Learning by driving (Road test)
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
for AA80F 
  1. TCM
  • Set transmission compensation code
  • Learning by driving (Road test)
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
for AA80E 
  1. TCM
  • Set transmission compensation code
  • Learning by driving (Road test)
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
for AA80F 
  • Engine assembly
  • ECM
  • Reset memory
  • Learning by driving (Road test)
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
for AA80E 
  • Engine assembly
  • ECM
  • Reset memory
  • Learning by driving (Road test)
  • Large shift shock
  • Engine overruns
Refer to INITIALIZATION [09/2015 - ]
  • Suspension control ECU
  • Height control sensor
  • Vehicle height offset calibration
  • Registration of vehicle identification information
  • Vehicle height sensor data may be affected due to installation position, or vehicle height recognition may be erroneous
  • DTC C1789 is output
  • Negative effect on the other systems.
Refer to INITIALIZATION [09/2015 - ]
  • Tire pressure warning ECU and receiver
  • Tire pressure warning valve and transmitter
  1. Register transmitter IDs
  2. Initialization
  • When DTC detection conditions of "transmitter ID not received" DTC is met, TPMS indicator blinks for 1 minute, and then illuminates
  • Tire pressure monitoring function
Refer to REGISTRATION [09/2015 - ] (for Registration)
Refer to INITIALIZATION [09/2015 - ] (for Initialization)
Skid control ECU
  • Initialize linear solenoid valve and perform calibration
  • Perform yaw rate and acceleration sensor zero point calibration
  • Brake warning light / yellow (minor malfunction) illumination
  • Brake warning light / red (malfunction)
  • ABS warning light illumination
  • VSC warning display of multi-information display
  • Master warning light illumination
Refer to INITIALIZATION [09/2015 - ] (for Initialization)
Refer to CALIBRATION [09/2015 - ] (for Calibration)
Brake actuator
  1. Bleed air
  2. Clear stored value of linear solenoid valve and calibration data
  3. Initialize linear solenoid valve and perform calibration
Brake does not operate properly Refer to INITIALIZATION [09/2015 - ]
  • Brake pedal stroke sensor
  • Brake pedal
  1. Inspect and adjust brake pedal height
  2. Adjust brake pedal stroke sensor
  3. Clear stored value of linear solenoid valve and calibration data
  4. Initialize linear solenoid valve and perform calibration
  • Brake warning light / yellow (minor malfunction) illumination
  • Brake warning light / red (malfunction)
  • ABS warning light illumination
  • Master warning light illumination
Refer to INITIALIZATION [09/2015 - ]
Yaw rate and acceleration sensor
  1. Clear zero point calibration data
  2. Perform yaw rate and acceleration sensor zero point calibration
  • Brake warning light / yellow (minor malfunction) illumination
  • Brake warning light / red (malfunction)
  • ABS warning light illumination
  • VSC warning display of multi-information display
  • Master warning light illumination
  • VSC control is prohibited or operation is incorrect
  • VGRS system
Refer to CALIBRATION [09/2015 - ]
Electric parking brake ECU
  • Reset memory
  • Acquire tension sensor zero point
Electric parking brake does not operate normally Refer to INITIALIZATION [09/2015 - ]
Parking brake with bracket actuator assembly
  • Reset memory
  • Acquire tension sensor zero point
  • Parking brake bedding
  • Electric parking brake does not operate normally
  • Parking brake performance may not be normal
Refer to INITIALIZATION [09/2015 - ]
  • Rear disc
  • Parking brake shoe
Parking brake bedding Parking brake performance may not be normal Refer to INITIALIZATION [09/2015 - ]
  • Steering control ECU
  • Steering column
  • Steering intermediate shaft
Actuator angle neutral point calibration and initialization Steering wheel off-center Refer to CALIBRATION [09/2015 - ]
Driving support ECU Initialize driving support ECU Systems controlled by driving support ECU do not operate Refer to INITIALIZATION [09/2015 - ]
Power steering link assembly
  • Actuator angle neutral point calibration and initialization
  • Rotation angle sensor value initialization
  • Torque sensor zero point calibration
  • VGRS system calibration procedure
  • Steering wheel off-center
  • Difference in amount of steering assist between left and right
Refer to CALIBRATION [09/2015 - ]
Power steering ECU
  • Rotation angle sensor value initialization
  • Torque sensor zero point calibration
Difference in amount of steering assist between left and right Refer to CALIBRATION [09/2015 - ]
Front seat set (Occupant classification ECU)
  • Perform zero point calibration
  • 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)
  • ID code box
  • Steering lock ECU
  • ECM
  • Key
  • Certification ECU
  • DCM (Telematics Transceiver)
Registration
  • Wireless door lock operation
  • Entry operation
  • Engine starting
  • Steering unlock
  • Telematics system
Refer to REGISTRATION [09/2015 - ]
DCM (Telematics Transceiver) DCM Activation Safety connect system does not operative Refer to DCM ACTIVATION [09/2015 - ]
Millimeter wave radar sensor Adjust front millimeter wave radar sensor DTC C1A11 or C1A14 is output Refer to ADJUSTMENT [09/2015 - ]
  • Object recognition ECU
  • Object recognition camera sensor
Adjust object recognition camera DTC C1A22 or C1A23 is output Refer to ADJUSTMENT [09/2015 - ]
  • No. 1 night view ECU
  • Object recognition camera (night view camera)
Adjust object recognition camera (night view camera) DTC B281A, B2827, C1A22 AND C1A3 are output Refer to ADJUSTMENT [09/2015 - ]
Steering sensor
  • Steering angle neutral point (Initialize parking assist monitor system)
  • Steering angle setting
Parking assist monitor system Refer to CALIBRATION [09/2015 - ] (for Multi-Media Module Receiver Type)
Refer to CALIBRATION [09/2015 - ] (for Camera built-in ECU)
Suspension, tires, etc. Television camera assembly optical axis (back camera position setting)
Television camera assembly
Multi-media module receiver assembly Initialization Parking assist monitor system initialization Refer to CALIBRATION [09/2015 - ] (for Multi-Media Module Receiver Type)
  • Windshield glass
  • Inner rear view mirror assembly
Adjust adaptive high beam camera beam axis DTC B2454 is output Refer to ADJUSTMENT [09/2015 - ]
Inner rear view mirror assembly Registration Garage door opener function Refer to REGISTRATION [09/2015 - ]
  • Door window regulator assembly
  • Power window regulator motor assembly
  • Door glass
  • Door glass run
Initialize power window control system
  • Auto up/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 [09/2015 - ]
  • Front power seat switch

    (Seat ECU)

  • Front seat adjuster
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 [09/2015 - ]
  • Position control ECU
  • Rear seat adjuster
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 [09/2015 - ]
  • RR MPX-B 1 fuse
  • Luggage closer motor assembly
  • Luggage door closer assembly
Reset power trunk lid system Power trunk lid function Refer to INITIALIZATION [09/2015 - ]
  • Rear door ECU LH
  • Rear door ECU RH
  • Rear curtain
Rear curtain position reset operation Rear curtain function Refer to INITIALIZATION [09/2015 - ]
  • Sliding roof drive gear sub-assembly

    (Sliding roof ECU)

  • Sliding roof housing
  • Sliding roof glass
Initialize sliding roof drive gear sub-assembly
  • Auto operation
  • Jam protection function
  • Sliding roof operation after engine switch is turned off
  • Wireless door lock control function
  • Key-linked operation function

    (Driver's door only)

  • Entry lock switch-linked operation
Refer to INITIALIZATION [09/2015 - ]