AIRBAG SYSTEM, Diagnostic DTC:B1000/31

DTC Code DTC Name
B1000/31 Center Airbag Sensor Assembly Malfunction

DESCRIPTION

The center airbag sensor consists of the airbag sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.

If the center airbag sensor receives signals from the airbag sensor, it determines whether the SRS should be activated.

DTC B1000/31 is stored when a malfunction is detected in the center airbag sensor.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Test Mode / Check Mode

B1000/31

Center Airbag Sensor Assembly Malfunction

A center airbag sensor malfunction.

Center airbag sensor assembly

*1

Tip:

When a trouble code is output simultaneously with B1000/31, repair the malfunction indicated by the other code first.

CAUTION / NOTICE / HINT

Note:
  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (Click here).

  • When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected (Click here).

Tip:

When a trouble code is output simultaneously with B1000/31, repair the malfunction indicated by the other code (except B1000/31) first.

PROCEDURE

  1. CHECK FOR DTC

    1. Turn the engine switch on (IG), and wait for at least 60 seconds.

    2. Check for DTCs.

      Click here

      Body Electrical > SRS Airbag > Trouble Codes

      Result

      Result

      Proceed to

      DTC B1000/31 is output

      A

      DTC B1000/31 and other DTCs are output

      B

      CAUTION:

      If only DTC B1000/31 is output, do not clear the DTCs. Instead, immediately replace the center airbag sensor assembly.

      Tip:

      If any DTCs other than DTC B1000/31 are output, troubleshoot those DTCs first.

    A

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART