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DTC C1A0A: Front Radar Sensor Region Code Mismatch [07/2015 - ]: Procedure

  1. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    5. Clear the DTCs (Refer to DTC CHECK / CLEAR [07/2015 - ] ).
    6. Make sure that the DTC detection conditions are met.

      HINT: 

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

    7. Check for DTCs (Refer to DTC CHECK / CLEAR [07/2015 - ] ).
      RESULT

      Result Proceed to
      DTC C1A0A is output A
      DTC C1A0A is not output B

    Result:  B

    USE SIMULATION METHOD TO CHECK (SYMPTOM SIMULATION) 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ] )

    Result:  A

    See step  2

  2. REPLACE DRIVING SUPPORT ECU ASSEMBLY 
    1. Replace the driving support ECU assembly (Refer to REMOVAL [07/2015 - ] ).

    Result:  NEXT

    NEXT 

    See step  3

  3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    5. Clear the DTCs (Refer to DTC CHECK / CLEAR [07/2015 - ] ).
    6. Make sure that the DTC detection conditions are met.

      HINT: 

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

    7. Check for DTCs (Refer to DTC CHECK / CLEAR [07/2015 - ] ).
      RESULT

      Result Proceed to
      DTC C1A0A is output A
      DTC C1A0A is not output B

    Result:  B

    END (DRIVING SUPPORT ECU ASSEMBLY WAS DEFECTIVE) 

    Result:  A

    See step  4

  4. REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY 
    1. Replace the millimeter wave radar sensor assembly (Refer to REMOVAL [07/2015 - ] ).

    Result:  NEXT

    NEXT 

    See step  5

  5. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY 
    1. Adjust the millimeter wave radar sensor assembly (Refer to ADJUSTMENT [07/2015 - ] ).

    Result:  NEXT

    NEXT 

    END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE)