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Home >> Lexus >> 2024 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Front Camera System - Diagnostic Codes & Circuit Tests >> Front Camera System >> DTC U0320-57: Software Incompatibility with Power Steering Control Module Invalid / Incompatible Software Component [10/2023 - ] >> Procedure
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DTC U0320-57: Software Incompatibility with Power Steering Control Module Invalid / Incompatible Software Component [10/2023 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTCs 

    Pre-procedure1

    1. Make sure that the DTC detection conditions are met.

      HINT: 

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

      Procedure1

    2. Check for DTCs.

      Chassis > Front Recognition Camera > Trouble Codes 

      Result

      Result Proceed to
      U0320-57 is not output A
      U0320-57 is output B

      Post-procedure1

    3. None.

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

    Result: 

    See step  3

  3. CHECK POWER STEERING SYSTEM 

    HINT: 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    GO TO POWER STEERING SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ]