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DTC C1AC1: Master Module Horizontal Axis Misalignment [06/2018 - ]: Procedure

  1. CHECK VEHICLE CONDITION 
    1. Check the condition of the rear bumper around the blind spot monitor sensors.

      HINT: 

      When mud, snow, ice, a sticker, etc. is covering the sensor or its surrounding area on the rear bumper, the blind spot monitor sensor may store this DTC by mistake.

      Result

      Result Proceed to
      A sticker, mud, snow, ice, etc. is covering the sensor or surrounding area on the rear bumper. A
      There are scratches or dents on the rear bumper around the sensors. B
      No abnormalities.

    Result: 

    B 

    See step  3

    Result: 

    A 

    See step  2

  2. PERFORM BEAM AXIS CONFIRMATION 
    1. Clean the rear bumper.
    2. Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.

      Refer to ADJUSTMENT [06/2018 - ]

      Body Electrical > Blind Spot Monitor Master > Utility 

      Tester Display
      BSM Master Beam Axis Display

      Body Electrical > Blind Spot Monitor Master > Utility 

      Tester Display
      BSM Master Beam Axis Adjustment

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    REPLACE BLIND SPOT MONITOR SENSOR RH 

    Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]

    NOTE:

    Before replacing the blind spot monitor sensor RH, visually check for damage to the stud bolts or area surrounding the blind spot monitor sensor RH.

    If there is any damage to the stud bolts or area surrounding the blind spot monitor sensor RH, perform Blind Spot Monitor Sensor Installation Condition Inspection and adjust according to the result.

    Refer to ADJUSTMENT [06/2018 - ]

  3. CHECK INSTALLATION CONDITION 
    1. Check the installation condition of the blind spot monitor sensor RH.

      Refer to ADJUSTMENT [06/2018 - ]

      HINT: 

      Take the appropriate action in accordance with the result.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. PERFORM BEAM AXIS CONFIRMATION 
    1. Install the rear bumper.

      For Single Type: Refer to INSTALLATION [06/2018 - 09/2022] , or refer to INSTALLATION [09/2022 - ]

      For Dual Type: Refer to INSTALLATION [06/2018 - 08/2020] , or refer to INSTALLATION [08/2020 - 09/2022] , or refer to INSTALLATION [09/2022 - ]

    2. Perform Blind Spot Monitor Beam Axis Confirmation using the Techstream.

      Body Electrical > Blind Spot Monitor Master > Utility 

      Tester Display
      BSM Master Beam Axis Display

      Body Electrical > Blind Spot Monitor Master > Utility 

      Tester Display
      BSM Master Beam Axis Adjustment

      Refer to ADJUSTMENT [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    REPLACE BLIND SPOT MONITOR SENSOR RH. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

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