LIGHTING SYSTEM, Diagnostic DTC:B2420

DTC Code DTC Name
B2420 AFS ECU Malfunction

DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
B2420 A malfunction in the headlight swivel ECU. Headlight swivel ECU assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2420 output does not occur.

    NG

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here