AIRBAG SYSTEM, Diagnostic DTC:B1000/31

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

DESCRIPTION

The airbag sensor assembly consists of a deceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.

If the airbag sensor assembly receives signals from the deceleration sensor, it determines whether or not the SRS should be activated.

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

DTC Code DTC Detection Condition Trouble Area
B1000/31 An airbag sensor assembly malfunction. Airbag sensor assembly

CAUTION / NOTICE / HINT

Note


  • After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices 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.

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC B1000/31 is output A
      DTC B1000/31 and other DTCs are output B

      Note

      If only DTC B1000/31 is output, do not clear the DTCs. Replace the airbag sensor assembly.

      Tech Tips

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


    A

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here