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 No.

Detection Item

DTC Detection Condition

Trouble Area

B2420

AFS ECU Malfunction

A malfunction in the headlight swivel ECU.

Headlight swivel ECU assembly

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 output does not occur.

      Result

      Result

      OK

      NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click here

    NG

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY

    Click here