Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Precaution

• Pylons made from plastic, etc., glass surfaces such as the entrance to a convenience store, low to the ground objects such as curbs, etc.
• Persons or objects laying down
• Pedestrians, bicycles, motorcycles, trees, animals, walls, etc.

• When the preceding vehicle or vehicles travelling in another lane splashes water or kicks up snow at the front of the vehicle
• When the rear end of the preceding vehicle is small (such as an empty trailer)
• When the posture of the vehicle has changed greatly due to modifications or overloading
• When raindrops or snow is stuck on the front of the sensor or on the front or back of the front grille emblem
• When driving in bad weather (rain, fog, snow, sandstorms, etc.)
• When the front grille or front grille emblem has been subjected to a strong impact
• When the front grille emblem is damaged as a result of an impact, or the installation condition of the millimeter wave radar sensor assembly has changed
• When a vehicle cuts closely in front of the vehicle, or when a two-wheeled vehicle is being driven close by
• When a non-genuine front grille emblem is installed
• When an accessory, such as bull bars, a grille guard, etc., which interferes with millimeter radio waves is installed in front of the millimeter wave radar sensor assembly
• When the front grille emblem and its surrounding area has been painted or is covered with a sticker

• Mud, insects, oil, etc.
• Snow
• Metal film (aluminum foil, candy wrappers that have a metallic coating, etc.)

• The millimeter wave radar sensor assembly can automatically detect dirt on the sensor surface or the front or back surface of the front grille emblem, however, dirt may not always be detected.
• The dirt detection function may not operate if a metal object or plastic sheet with metal coating is attached to the sensor or the front grille emblem.
• The dirt detection function may not operate if there is snow or ice on the sensor or the front grille emblem.

• When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle and a DTC may be stored.
• When the millimeter wave radar sensor assembly has been replaced with a new one, it is necessary to perform millimeter wave radar sensor assembly adjustment and front radar acceleration sensor calibration, and to clear the vehicle control history.

  Click here

• When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored.
• If the forward recognition camera has been replaced with a new one or the windshield glass has been removed and installed, forward recognition camera adjustment must be performed.

  HINT:

  Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.

  One Time Recognition: Click here

  Sequential Recognition: Click here

Front Radar Sensor System

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Parts Location

PARTS LOCATION ILLUSTRATION *1 MILLIMETER WAVE RADAR SENSOR ASSEMBLY *2 FORWARD RECOGNITION CAMERA ILLUSTRATION *1 DLC3 - - ...

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