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Home >> Toyota >> 2021 >> RAV4 Adventure >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Front Radar Sensor System - Diagnostic Codes >> Front Radar Sensor System >> DTC C1A11-00: Front Radar Sensor Optical Axis Misalignment Malfunction [11/2018 - 12/2021] >> Procedure
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DTC C1A11-00: Front Radar Sensor Optical Axis Misalignment Malfunction [11/2018 - 12/2021]: Procedure

  1. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY 
    1. Perform millimeter wave radar sensor assembly beam axis adjustment.

      Refer to ADJUSTMENT [11/2018 - 02/2019] , or refer to ADJUSTMENT [02/2019 - 12/2021]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 12/2021]

      Body Electrical > Front Radar Sensor > Clear DTCs 

    2. Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 12/2021]

      Body Electrical > Front Radar Sensor > Trouble Codes 

      OK

      DTC C1A11-00 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (OPTICAL AXIS ADJUSTMENT WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY. Refer to  REMOVAL [11/2018 - 12/2021]