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Home >> Lexus >> 2017 >> ES 350 >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1A10: Front Radar Sensor [07/2015 - ] >> Procedure

DTC C1A10: Front Radar Sensor [07/2015 - ]: Procedure

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

    Result:  NEXT

    NEXT 

    See step  2

  2. ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY 
    1. Adjust the millimeter wave radar sensor assembly (Refer to ADJUSTMENT [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 C1A10 is not output A
      DTC C1A10 is output B

    Result:  A

    END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE) 

    Result:  B

    REPLACE DRIVING SUPPORT ECU ASSEMBLY 

    (Refer to COMPONENTS [07/2015 - ] )