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DTC C1AA8-00: Front Recognition Camera Optical Axis Misalignment Malfunction [08/2021 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 300h, 2024 Lexus ES 250, 2023 Lexus ES 350, and 2023 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FORWARD RECOGNITION CAMERA INSTALLATION 

    Refer to INSTALLATION [08/2021 - ]

    HINT: 

    If there is deformation or deviation in the forward recognition camera installation bracket, replace the windshield glass.

    OK

    No deformation or deviation in forward recognition camera installation bracket.

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  2

  2. CHECK VEHICLE OPERATING CONDITION 

    HINT: 

    Check if a condition which caused the forward recognition camera optical axis to become temporarily misaligned existed, such as if the vehicle was overloaded, towed or modified.

    OK

    Vehicle was not overloaded, towed or modified.

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    See step  9

    Result: 

    OK 

    See step  3

  3. CHECK WHEEL ALIGNMENT (TOE) 

    OK

    Front and rear wheels are not misaligned (toe)

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    See step  4

  4. PERFORM FORWARD RECOGNITION CAMERA ADJUSTMENT 

    HINT: 

    Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.

    One Time Recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [08/2021 - ]

    Sequential Recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [08/2021 - ]

    Driving Adjustment: Refer to DRIVING ADJUSTMENT [08/2021 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  5

  5. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

  6. ADJUST WHEEL ALIGNMENT (TOE) 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. PERFORM FORWARD RECOGNITION CAMERA ADJUSTMENT 

    HINT: 

    Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.

    One Time Recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [08/2021 - ]

    Sequential Recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [08/2021 - ]

    Driving Adjustment: Refer to DRIVING ADJUSTMENT [08/2021 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

  9. PERFORM FORWARD RECOGNITION CAMERA ADJUSTMENT 
    1. Return the vehicle to normal operating conditions.
    2. Perform forward recognition camera adjustment.

      HINT: 

      Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.

      One Time Recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [08/2021 - ]

      Sequential Recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [08/2021 - ]

      Driving Adjustment: Refer to DRIVING ADJUSTMENT [08/2021 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  10

  10. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

  11. REPLACE WINDSHIELD GLASS 

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

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  12

  12. PERFORM FORWARD RECOGNITION CAMERA ADJUSTMENT 

    HINT: 

    Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.

    One Time Recognition: Refer to TARGET ADJUSTMENT (ONE TIME RECOGNITION) [08/2021 - ]

    Sequential Recognition: Refer to TARGET ADJUSTMENT (SEQUENTIAL RECOGNITION) [08/2021 - ]

    Driving Adjustment: Refer to DRIVING ADJUSTMENT [08/2021 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  13

  13. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END