LIGHTING SYSTEM, Diagnostic DTC:B2437

DTC Code DTC Name
B2437 Camera High Temperature Malfunction

DESCRIPTION

This DTC is output when the inner rear view mirror assembly (adaptive high beam system sensor) has a nighttime high temperature malfunction.

DTC Code DTC Detection Condition Trouble Area
B2437 High temperature malfunction in inner rear view mirror assembly (adaptive high beam system sensor)

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

  • AFS ECU

CAUTION / NOTICE / HINT

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.

Tech Tips

This DTC is only output when there is a nighttime malfunction.

PROCEDURE


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


    1. Stop the vehicle in a cool place to lower the temperature of the inner rear view mirror assembly (adaptive high beam system sensor).

    2. Cover the automatic light control sensor.

    3. Check for DTC Click here.

      OK
      DTC B2437 output does not occur

    OK

    END (NIGHTTIME HIGH TEMPERATURE IS CAUSE OF MALFUNCTION)

    NG

  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. Cover the automatic light control sensor.

    4. Check for DTC Click here.

      OK
      DTC B2437 output does not occur

    OK

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

    NG

    REPLACE AFS ECU Click here