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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Parking Support Brake System (Except Hybrid) - Diagnostic Codes >> PARKING SUPPORT BRAKE SYSTEM (for Gasoline Model) >> DTC C1AEA: Steering Angle Midpoint Initial Setting Incomplete [06/2018 - 09/2022] >> Procedure

DTC C1AEA: Steering Angle Midpoint Initial Setting Incomplete [06/2018 - 09/2022]: Procedure

  1. PERFORM CALIBRATION 
    1. Perform steering angle neutral point memorization.

      Refer to CALIBRATION [06/2018 - 08/2021] , or refer to CALIBRATION [08/2021 - 09/2022]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Using the Techstream, check for DTCs according to the prompts on the screen.

      Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

    2. Clear the DTCs according to the screen on the Techstream.

      Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs 

    3. Recheck for DTCs.

      Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

      HINT: 

      • If DTC C1AEA is output, perform steering angle neutral point memorization.
      • If DTC C1AEA is still output after performing steering angle neutral point memorization 3 times, replace the clearance warning ECU assembly.

      Result

      Result Proceed to
      DTC C1AEA is output A
      DTC C1AEA is not output B

    Result: 

    REPLACE CLEARANCE WARNING ECU ASSEMBLY. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022] 

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]