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Home >> Lexus >> 2015 >> CT 200h Base >> Repair and Diagnosis >> General Information >> Identification >> Introduction (General Information) >> Repair Instruction >> Initialization [08/2014 - 08/2015] >> Initialization [08/2014 - 08/2015]

Initialization [08/2014 - 08/2015]

  1. PROCEDURES NECESSARY WHEN BATTERY TERMINAL IS DISCONNECTED/RECONNECTED 
    Necessary Procedures Effect / Inoperative Function When Necessary Procedures are not Performed See
    Correct the steering angle neutral point Parking assist monitor system Refer to INITIALIZATION [08/2014 - ] *1
    Refer to INITIALIZATION [08/2014 - ] *2
    Back door lock Power door lock control system Refer to INITIALIZATION [08/2014 - ]
    1. *1: for Parking Assist Monitor System (w/ Parallel Parking Assist Function)
    2. *2: for Parking Assist Monitor System (w/o Parallel Parking Assist Function)
    NOTE:
    • Navigation System:

      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.

    • Audio and Visual System (for Radio and Display Type with Parking Assist Monitor System (w/ Parallel Parking Assist Function)):

      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.

    • Audio and Visual System (for Radio and Display Type with Parking Assist Monitor System (w/o Parallel Parking Assist Function)):

      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 80 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal.

    • When the auxiliary battery is replaced or the cable is disconnected from its negative (-) auxiliary battery terminal, the ISC learning value will be initialized and symptoms as a loud rattle from the hybrid vehicle transaxle assembly may occur until ISC learning is performed. Therefore, perform ISC learning when the auxiliary battery is replaced or the cable is disconnected from the negative (-) terminal of the auxiliary battery (See article. Refer to Loud Rattle from Hybrid Vehicle Transmission [08/2014 - ] ).
  2. PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED 
    Replacement Part Necessary Procedure Effect / Inoperative Function when Necessary Procedures are not Performed See
    ECM Vehicle Identification Number (VIN) registration MIL comes on Refer to REGISTRATION [08/2014 - ]
    • 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
    • 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
    • EGR valve assembly
    • Air leaks from intake system
    • Gas leaks from exhaust system
    • Knock control sensor
    		 Inspection after repair
    • Poor idle, etc.
    • Engine start function, etc.
    		 Refer to INITIALIZATION [08/2014 - ]
    Millimeter wave radar sensor assembly Adjust millimeter wave radar sensor assembly (Dynamic radar cruise control system)
    • Dynamic radar cruise control system
    • Pre-collision system
    		 Refer to ADJUSTMENT [08/2014 - ]
    • Tire pressure warning ECU*1
    • Tire pressure warning ECU and receiver*2
    • Tire pressure warning valve and transmitter
    • Code registration (Tire pressure warning system)
    • 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
    		 Refer to INITIALIZATION [08/2014 - ] for initialization*1
    Refer to INITIALIZATION [08/2014 - ] for initialization*2
    Refer to REGISTRATION [08/2014 - ] for registration*1
    Refer to REGISTRATION [08/2014 - ] for registration*2
    Brake booster with master cylinder (Skid control ECU, brake actuator or pressure sensor)
    1. Initialization and calibration of the linear solenoid valve
    2. Yaw rate and acceleration sensor zero point calibration
    • ABS warning light illumination
    • Slip indicator light illumination
    • Brake warning light / yellow (minor malfunction) illumination
    • VSC disabled or malfunctioning
    		 Refer to INITIALIZATION [08/2014 - ] for initialization
    Refer to CALIBRATION [08/2014 - ] for calibration
    • Brake pedal stroke sensor
    • Brake pedal
    1. Clearing stored linear solenoid valve calibration data
    2. Initialization and calibration of the linear solenoid valve
    • ABS warning light illumination
    • Slip indicator light illumination
    • Brake warning light / yellow (minor malfunction) illumination
    • VSC disabled or malfunctioning
    Yaw rate and acceleration sensor
    1. Clearing zero point calibration data
    2. Yaw rate and acceleration sensor zero point calibration
    • ABS warning light illumination
    • Slip indicator light illumination
    • Brake warning light / yellow (minor malfunction) illumination
    • VSC disabled or malfunctioning
    Power steering ECU assembly Rotation angle sensor initialization and torque sensor zero point calibration
    • P/S warning light comes on
    • EPS control
    		 Refer to CALIBRATION [08/2014 - ]
    Steering column assembly Rotation angle sensor initialization and torque sensor zero point calibration Steering effort is different between turning steering wheel to left and right
    Radio receiver assembly Parking assist monitor system initialization Parking assist monitor system (w/ Parallel Parking Assist Function) Refer to INITIALIZATION [08/2014 - ] for Initialization
    Refer to CALIBRATION [08/2014 - ] for Calibration
    Spiral cable with sensor sub-assembly
    1. Steering angle neutral point (Initialize parking assist monitor system)
    2. Steering angle setting
    • Rear television camera assembly
    • Suspension, tires, etc. (the vehicle height changes because of suspension or tires replacement)
    		 Rear television camera assembly optical axis (Back camera position setting)
    Spiral cable with sensor sub-assembly
    1. Steering angle neutral point (Initialize parking assist monitor system)
    2. Steering angle setting
    		 Parking assist monitor system (w/o Parallel Parking Assist Function) Refer to INITIALIZATION [08/2014 - ] for Initialization
    Refer to CALIBRATION [08/2014 - ] for Calibration
    Rear television camera assembly Parking assist monitor system initialization
    Suspension, tires, etc. (the vehicle height changes because of suspension or tires replacement) Rear television camera assembly optical axis (Back camera position setting)
    Inner rear view mirror*3 Re-registration of codes in the garage door opener system
    • Register transmitter code
    • Rolling code systems
    		 Garage door opener system Refer to REGISTRATION [08/2014 - ]
    DCM (Telematics Transceiver) DCM activation Safety connect system Refer to DCM ACTIVATION [08/2014 - ]
    • Certification ECU (smart key ECU assembly)
    • ID code box (immobiliser code ECU)
    • Transmission control ECU assembly
    • Key
    		 Code registration (Engine immobiliser system)
    • Wireless door lock control system
    • Smart access system with push-button start system
    • Hybrid control system start
    		 Refer to REGISTRATION [08/2014 - ]
    • Occupant classification ECU
    • Front passenger seat
    1. Zero point calibration (Occupant classification system)
    2. 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 [08/2014 - ]
    • Power window regulator motor assembly
    • Door window regulator
    • Door glass and/or door glass run etc.
    		 Initialize power window control system
    • Automatic door glass open/ close function
    • Jam protection function
    • Operation function after power switch is turned off
    		 Refer to INITIALIZATION [08/2014 - 08/2015]
    • Sliding roof ECU (sliding roof drive gear sub-assembly)
    • Sliding roof housing
    • Sliding roof glass
    		 Initialize sliding roof ECU (pulse sensor initial position setting)
    • Automatic function of sliding roof
    • Jam protection function
    • Operation function after power switch is turned off
    		 Refer to INITIALIZATION [08/2014 - ]
    Headlight leveling ECU assembly Perform headlight leveling ECU assembly initialization Automatic level function Refer to INITIALIZATION [08/2014 - ]
    Rear height control sensor sub-assembly RH Perform headlight leveling ECU assembly initialization
    1. *1: w/ Vehicle Proximity Notification System
    2. *2: w/o Vehicle Proximity Notification System
    3. *3: w/ Garage Door Opener System
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