AUTOMATIC HIGH BEAM SYSTEM, Diagnostic DTC:B124C

DTC Code DTC Name
B124C Automatic High Beam Camera

DESCRIPTION

This DTC is stored when the main body ECU (multiplex network body ECU) detects a malfunction in the pre-crash safety city sensor.

DTC No. Detection Item DTC Detection Condition Trouble Area
B124C Automatic High Beam Camera Malfunction in lane departure warning camera Pre-crash safety city sensor

WIRING DIAGRAM

A01T8ETE31
*1 Pre-crash Safety City Sensor
*2 Main Body ECU (Multiplex Network Body ECU)
*3 CAN Communication Line

CAUTION / NOTICE / HINT

Note


  • Confirm that there are no CAN communication system malfunctions before performing the following inspection.

    Click here

  • If the pre-crash safety city sensor has been replaced, or the windshield glass has been replaced or removed/installed, be sure to perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust. If not performed, DTC will be stored when the system is turned on.

  • When replacing the pre-crash safety city sensor, replace it with a new one. If a pre-crash safety city sensor which was installed to another vehicle is used, the information stored in the pre-crash safety city sensor will not match the information from the vehicle and, as a result, a DTC may be stored.

PROCEDURE


  1. REPLACE PRE-CRASH SAFETY CITY SENSOR


    1. Replace the pre-crash safety city sensor.

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      Result
      Proceed to
      NEXT

    NEXT

    END (PRE-CRASH SAFETY CITY SENSOR WAS DEFECTIVE)