AUTOMATIC HIGH BEAM SYSTEM, Diagnostic DTC:B124A, B124C

DTC Code DTC Name
B124A Automatic High Beam Mirror
B124C Automatic High Beam Camera

DESCRIPTION

This DTC is stored when the main body ECU (multiplex network body ECU) detects a malfunction in the forward recognition camera.

DTC No. Detection Item DTC Detection Condition Trouble Area
B124A Automatic High Beam Mirror Malfunction in Forward recognition camera (automatic high beam sensor)
  • Forward recognition camera

  • Main body ECU (multiplex network body ECU)

B124C Automatic High Beam Camera Malfunction in Forward recognition camera (automatic high beam sensor)
  • Forward recognition camera

  • Main body ECU (multiplex network body ECU)

WIRING DIAGRAM

A01QSJJE08
*1 Main Body ECU (Multiplex Network Body ECU)
*2 Forward Recognition Camera
*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 main body ECU (multiplex network body ECU) is replaced, refer to Registration.

    Click here

  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.

  • If the forward recognition camera has been replaced with a new one, be sure to perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.

PROCEDURE


  1. CHECK FORWARD RECOGNITION CAMERA SYSTEM


    1. Check that a forward recognition camera system.

      Click here

      Result
      Proceed to
      NEXT

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