LIGHTING SYSTEM, Diagnostic DTC:B2438

DTC Code DTC Name
B2438 Camera Detection Malfunction

DESCRIPTION

This DTC is output when there is foreign matter on the front glass or the inner rear view mirror assembly (adaptive high beam system sensor), and the forward view is obstructed.

DTC Code DTC Detection Condition Trouble Area
B2438 Detection malfunction in inner rear view mirror assembly (adaptive high beam system sensor)

  • Inner rear view mirror assembly (adaptive high beam system sensor)

  • AFS ECU

INSPECTION PROCEDURE

Note

After replacing the inner rear view mirror assembly (adaptive high beam system sensor), it is necessary to initialize the inner rear view mirror assembly (adaptive high beam system sensor) beam axis Click here.

PROCEDURE


  1. CLEAR INNER REAR VIEW MIRROR ASSEMBLY (ADAPTIVE HIGH BEAM SYSTEM SENSOR)


    1. Check that there is no foreign matter on the front glass or the lens of the inner rear view mirror assembly (adaptive high beam system sensor).

      OK
      There is no foreign matter and nothing obstructing the view

    NG

    REMOVE FOREIGN MATTER OR OBSTRUCTION

    OK

  2. REPLACE INNER REAR VIEW MIRROR ASSEMBLY (ADAPTIVE HIGH BEAM SYSTEM SENSOR)


    1. Temporarily replace the inner rear view mirror (adaptive high beam system sensor) with a new or normally functioning one Click here.

    2. Perform beam axis initialization for the inner rear view mirror assembly (adaptive high beam system sensor) Click here.

    3. Check for DTC Click here.

      OK
      DTC B2438 output does not occur

    NG

    REPLACE AFS ECU Click here

    OK

    END (INNER REAR VIEW MIRROR [ADAPTIVE HIGH BEAM SYSTEM SENSOR] WAS DEFECTIVE)