DTC    B2420    AFS ECU Malfunction

for Preparation Click here


DESCRIPTION

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

DTC No.
DTC Detection Condition
Trouble Area
B2420
Malfunction of AFS ECU (headlight swivel ECU assembly)
AFS ECU (headlight swivel ECU assembly)

INSPECTION PROCEDURE

1.CHECK FOR DTC
  1. Clear the DTCs (Click here).

  1. Check for DTCs (Click here).

    OK:
    DTC B2420 is not output.


NG
REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) (Click here)
OK

USE SIMULATION METHOD TO CHECK (Click here)