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LIGHTING SYSTEM, Diagnostic DTC:B2471

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DTC Code DTC Name
B2471 Camera Optic Axis Correction Malfunction
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DESCRIPTION

This DTC is output when the vehicle is tilted because of excessive load, towing or modification.

DTC Code DTC Detection Condition Trouble Area
B2471 Offset malfunction in inner rear view mirror assembly (adaptive high beam system sensor)
  • Inner rear view mirror assembly (adaptive high beam system sensor)

  • AFS ECU

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INSPECTION PROCEDURE

Note:

After replacing the inner rear view mirror assembly (adaptive high beam system sensor), it is necessary to initialize the inner rear view mirror assembly (adaptive high beam system sensor) beam axis (Click here).

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PROCEDURE


  1. Click here

    CLEAR DTC


    1. Clear the DTC (Click here).


  2. Click here

    CHECK FOR DTC


    1. Turn the power switch on (IG).

    2. Check for DTC (Click here).

      OK
      DTC B2471 output does not occur

  3. Click here

    CHECK FOR DTC


    1. Place the vehicle on a level surface and perform a driving test on a straight road where the traffic lanes are visible.

    2. Check for DTC (Click here).

      OK
      DTC B2471 output does not occur
      Note:
      • Correct the cause of the tilt (excessive load, towing, modification) during the diagnosis.

      • Depending on driving conditions, it may take some time until the DTC is cleared, or the DTC may not be cleared.


  4. Click here

    ADJUST INNER REAR VIEW MIRROR ASSEMBLY (ADAPTIVE HIGH BEAM SYSTEM SENSOR)


    1. Perform beam axis initialization for the inner rear view mirror assembly (Click here).

    2. Turn the power switch on (IG).

    3. Check for DTC (Click here).

      OK
      DTC B2471 output does not occur

  5. Click here

    CHECK INNER REAR VIEW MIRROR ASSEMBLY (ADAPTIVE HIGH BEAM SYSTEM SENSOR)


    1. Temporarily replace the inner rear view mirror (adaptive high beam system sensor) with a new or normally functioning one (Click here).

    2. Perform beam axis initialization for the inner rear view mirror assembly (adaptive high beam system sensor) (Click here).

    3. Turn the power switch on (IG).

    4. Check for DTC (Click here).

      OK
      DTC B2471 output does not occur

  6. Click here

    USE SIMULATION METHOD TO CHECKClick here

  7. Click here

    END (VEHICLE IS TILTED)

  8. Click here

    REPLACE AFS ECUClick here

  9. Click here

    END (INNER REAR VIEW MIRROR ASSEMBLY [ADAPTIVE HIGH BEAM SYSTEM SENSOR] WAS DEFECTIVE)

  10. Click here

    END (INNER REAR VIEW MIRROR [ADAPTIVE HIGH BEAM SYSTEM SENSOR] BEAM AXIS INCOMPLETE)