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Home >> Lexus >> 2016 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> DTC C1AA8: Front Camera Module Incorrect Axial Gap; DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [08/2019 - ] >> Procedure
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DTC C1AA8: Front Camera Module Incorrect Axial Gap; DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [08/2019 - ]: Procedure

  1. CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM) 

    HINT: 

    Pre-collision system DTC C1AA8 and/or C1AA9 may be stored due to a malfunction in the forward recognition camera system. Therefore, it is necessary to check for and troubleshoot forward recognition camera system DTCs first.

    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [08/2019 - ]

      Result

      Result Proceed to
      Forward recognition camera system DTCs are not output A
      Forward recognition camera system DTCs are output B

    Result: 

    GO TO FRONT CAMERA SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

    Result: 

    See step  2

  2. CHECK FOR DTCs (PRE-COLLISION SYSTEM) 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [08/2019 - ]

    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 [08/2019 - ]

      Result

      Result Proceed to
      DTC C1AA8 and/or C1AA9 is not output A
      DTC C1AA8 and/or C1AA9 is output B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 08/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2020 - 08/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2021 - 08/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2022 - ] 

    Result: 

    REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  REMOVAL [08/2019 - ]