AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(except Sedan), Diagnostic DTC:B2420

DTC Code DTC Name
B2420 HL AutoLeveling ECU Failure

DESCRIPTION

When the headlight swivel ECU assembly detects a malfunction in itself, this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2420 AFS ECU Malfunction Malfunction of headlight swivel ECU assembly Headlight swivel ECU assembly

CAUTION / NOTICE / HINT

Note

If the headlight swivel ECU assembly has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight swivel ECU assembly.

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PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > AFS > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > AFS > Trouble Codes
      OK
      DTC B2420 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here