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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Park Assist / Monitoring >> Intuitive Parking Assist System >> System Description

System Description

  1. GENERAL 
    1. This system uses ultrasonic sensors to detect any obstacles at the corners and the rear of the vehicle The system then informs the driver of the distance between the sensors and the obstacles as well as their positions by indicating them on the multi-display or multi-information display and by sounding a buzzer
  2. FUNCTION OF COMPONENTS 
    COMPONENTS FUNCTION

    Component Function
    Ultrasonic Sensor (6) Detects the distance between the vehicle and the obstacle
    Clearance Warning Buzzer Sounds the buzzer to inform the driver according to the distance to the obstacle
    Multi-information Display on the Combination Meter Displays the location of the obstacle and the approximate distance between the vehicle and the obstacle
    Displays a malfunction or freezing of the ultrasonic sensor to inform the driver
    The multi-information display is switched to the multi-switch mode by the satellite switch operation Then, intuitive parking assist sensor ON/OFF condition will be displayed
    Intuitive Parking Assist Sensor Indicator Light on the Combination Meter Illuminates to inform the driver when the system operation conditions are met
    Satellite Switch (Clearance Sonar Main Switch) Operating this switch enables, disables or cuts off the operation of intuitive parking assist sensor
    Multi-display(1) Displays the location of the obstacle and the approximate distance between the vehicle and the obstacle
    The sound volume and sounding distance of the buzzer and display requirement distance can be set on the setup screen for the intuitive parking assist sensor
    Clearance Warning ECU Judges the approximate distance between the vehicle and the obstacle based on the signals from the ultrasonic sensors and sends it to the multi-information display and multi-display Sounds the buzzer
    Main Body ECU LH Transmits the reverse signal to the clearance warning ECU
    Main Body ECU RH Transmits the parking brake switch signal to the clearance warning ECU
    ECM Transmits the shift position signal to the clearance warning ECU
    (1) w/ Navigation System
  3. OPERATION EXPLANATION 
    1. The operating condition of each intuitive parking assist sensor differs according to the installation position as shown in the table bellow
      INSTALLATION POSITION

      Installation Position Operating Condition
      Front Corner Sensor Engine switch on (IG)
      Satellite switch (clearance sonar main switch) is ON
      Shift position is except P
      Vehicle speed is approx 6 mph (10 km/h) or less
      Rear Corner Sensor Engine switch on (IG)
      Satellite switch (clearance sonar main switch) is ON
      Shift position is R
      Vehicle speed is approx 6 mph (10 km/h) or less
      Rear Center Sensor Engine switch on (IG)
      Satellite switch (clearance sonar main switch) is ON
      Shift position is R
      Vehicle speed is approx 6 mph (10 km/h) or less
    2. The intuitive parking assist sensor then informs the driver of the distance between the sensors and the obstacles as well as their positions by displaying them on the multi-information display in the combination meter or multi-display and by sounding buzzer
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