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Home >> Toyota >> 2016 >> Mirai >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Automatic High Beam System - Diagnostic Codes & Circuit Tests >> Automatic High Beam System >> DTC U023A: Lost Communication With Image Processing Module "A" [11/2018 - ] >> Procedure

DTC U023A: Lost Communication With Image Processing Module "A" [11/2018 - ]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [06/2015 - ]

      Body Electrical > Main Body > Clear DTCs 

    2. Turn the power switch on (IG) and wait for at least 10 seconds or more.
    3. Check for DTCs.

      Refer to DTC CHECK / CLEAR [06/2015 - ]

      Body Electrical > Main Body > Trouble Codes 

      OK

      DTC U023A is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]