LIGHTING SYSTEM, Diagnostic DTC:B124C

DTC Code DTC Name
B124C Automatic High Beam Camera

DESCRIPTION

This DTC is stored when the main body ECU detects malfunctions in the camera (inner rear view mirror assembly [automatic high beam sensor]).

DTC Code DTC Detection Condition Trouble Area
B124C Malfunction in camera (inner rear view mirror assembly [automatic high beam sensor]) Inner rear view mirror assembly (automatic high beam sensor)

WIRING DIAGRAM

A01GHXFE05

INSPECTION PROCEDURE

Note

First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this symptom.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Check for DTC Click here.

      OK
      DTC B124C is not output

    NG

    REPLACE INNER REAR VIEW MIRROR ASSEMBLY (AUTOMATIC HIGH BEAM SENSOR) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here