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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Automatic High Beam System - Diagnostics - Introduction) >> Automatic High Beam System >> Precaution [11/2024 - ] >> Precaution [11/2024 - ]

Precaution [11/2024 - ]

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NOTE:
  • The different types of forward recognition camera cover are shown in the table below.

    Before starting work, check the type of the forward recognition camera cover.

    Type  
    With Slit Cover Type
    GTY1117168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Without Slit Cover Type
    GTY1117167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. HANDLING PRECAUTIONS FOR FORWARD RECOGNITION CAMERA 
    1. The automatic high beam system uses the forward recognition camera. For precautions related to the forward recognition camera, refer to Precaution for Front Camera System.

      for one time recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [12/2021 - ]

      for sequential recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [12/2021 - ]

      for driving adjustment: Refer to DRIVING ADJUSTMENT [12/2021 - ]

  2. PRECAUTION WHEN REPLACING COMBINATION METER ASSEMBLY 
    1. When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
  3. PRECAUTION FOR AUTOMATIC HIGH BEAM SYSTEM 
    1. General Description

      The automatic high beam system is a system that helps ensure visibility by automatically turning the high beam headlights on and off. Additionally, due to control limitations of the automatic high beam system, it may be necessary to manually turn the high beam headlights on and off. For safety reasons, make sure to turn the high beam headlights on and off manually according to the driving conditions.

    2. Conditions Unsuitable for Using Automatic High Beam System

      Under the following conditions, the automatic high beam system might not detect other vehicles or lights correctly, or the high beam headlights might cause glare or flash pedestrians or the occupants of other vehicles. Manual operation should be considered.

      Factor Condition
      Weather/Climate When driving in bad weather (rain, snow, fog, sandstorms, etc.).
      Front windshield
      • Windshield is dirty (due to dirt, water spots, insects), or dirty on the inside of the vehicle or fogged up.*
      • Windshield has cracks or damage.
      • Window glass with different light transmittance are installed (non-genuine parts).
      Forward recognition camera Refer to Front Camera System.
      Refer to PRECAUTION [10/2022 - ]
      Nearby vehicles or lights
      • When lights similar to headlights or taillights are in the vicinity of the vehicle.
      • When a nearby vehicle has no lights or its lights are off.
      • When a vehicle in front has misaligned lights, or its lights are changing color.
      • When a vehicle in front has extremely dirty headlights or taillights.
      Road conditions
      • When driving in areas where the conditions often change between bright and dark.
      • When driving on hilly roads.
      • When driving on winding roads or around sharp curves.
      • When driving on bumpy roads (cobblestone paving, gravel roads, rough unpaved roads, etc.).
      • When highly reflective objects are in front of the vehicle (mirrors, road signs, etc.).
      Own vehicle
      • When the headlights are damaged, deformed or dirty.
      • When the vehicle posture is abnormal (posture has changed due to the vehicle being fully loaded, a trailer being towed, road conditions, etc.).
      • When the vehicle has other malfunctions or has been modified.
      Automatic high beam system Malfunction:
      When the automatic high beam indicator light on the combination meter assembly is off and "Headlight System Malfunction Visit Your Dealer" is displayed on the multi-information display.
      Others:
      • When the automatic high beam system does not seem to be turning the high beam headlights on and off properly.
      • When the automatic high beam system is frequently turning the high beam headlights on and off.
      • When the glare from the high beam headlights would disturb pedestrians or the drivers of other vehicles.

      HINT: 

      *: When the inside of the windshield is confirmed to be dirty, remove the forward recognition camera and hood, and clean the inside of the windshield using one of the cleaning methods below.

      • Remove the dirt using a melamine sponge and water, and wipe off with a towel, shop cloth or equivalent.
      • Clean with glass cleaner.

      (Axis adjustment is not needed even if the camera is removed and installed when cleaning)

      For the forward recognition camera removal procedure. Refer to REMOVAL [12/2021 - ]