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Home >> Lexus >> 2018 >> GS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System (Diagnostic Codes & Circuit Tests) >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [10/2015 - 09/2017] >> Procedure

DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [10/2015 - 09/2017]: Procedure

  1. CHECK DTC OUTPUT (LANE DEPARTURE ALERT SYSTEM (w/ Steering Control)) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn theTechstream on.
    4. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
    5. Check if the stored DTCs are current DTCs.
    6. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - 09/2017]

      Chassis > LKA/LDA > Trouble Codes 

      Result

      Result Proceed to
      DTC C1AA9 is not output A
      DTC C1AA9 is output B

    Result: 

    END 

    Result: 

    See step  2

  2. PERFORM FORWARD RECOGNITION CAMERA OPTICAL AXIS LEARNING 
    1. Adjust the forward recognition camera.

      Refer to ADJUSTMENT [10/2015 - 09/2017]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK DTC OUTPUT (LANE DEPARTURE ALERT SYSTEM (w/ Steering Control)) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.
    5. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - 09/2017]

      Chassis > LKA/LDA > Clear DTCs 

    6. Make sure that the following conditions are met.

      HINT: 

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

      1. Turn the engine switch on (IG) and wait 2 seconds or more.
    7. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2015 - 09/2017]

      Chassis > LKA/LDA > Trouble Codes 

      Result

      Result Proceed to
      DTC C1AA9 is not output A
      DTC C1AA9 is output B

    Result: 

    END 

    Result: 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [10/2015 - 09/2017]