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System Description

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. AFS (Adaptive Front-Lighting System) 
    1. The AFS operates to illuminate the best position for smooth driving by projecting the low beam depending on the vehicle speed and steering angle.
    2. Standard Operation
      1. The AFS ECU moves the low beam in the headlight considering the vehicle running condition, etc.
        HEAD LIGHT DESCRIPTION

        Vehicle Turning Condition Head Light (Right Side) Head Light (Left Side)
        Right turn while driving Turns to right by maximum 5° Does not turn
        Left turn while driving Does not turn Turns to left by maximum 15°
    3. Start-up Conditions
      1. The AFS starts operating when the following conditions are met:
        ITEM CONDITION CHART

        Items Conditions
        Shift Position Other than R and N
        Engine Running
        Headlight Comes on
        Vehicle Speed 30 km/h (19 mph) or more
        Steering Angle 12° or more (varies depending on the vehicle speed)
        AFS OFF Switch Not pushed in

        HINT:

        • The AFS continues operation as long as vehicle speed is kept above 6 km/h (3.6 mph) when operation has started once after vehicle speed reaches 30 km/h (19 mph) or more.
        • The AFS continues operation as long as steering angle is kept at 10° or more when operation has started once after steering angle reaches 12° or more.
    4. Operation Stop Condition
      1. The AFS stops operating if any of the following condition are met:
        ITEM CONDITION CHART

        Items Conditions
        Shift Position R or N
        Engine Stops
        Headlight Goes Off
        Vehicle Speed 5 km/h (3 mph) or less
        Steering Angle 9° or less
        AFS OFF Switch Pushed in