AIRBAG SYSTEM, Diagnostic DTC:B1000/31

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

DESCRIPTION

The center airbag sensor consists of a deceleration sensor, safing sensor, electronic safing sensor, ignition control circuit and diagnosis circuit.

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

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

DTC Code DTC Detection Condition Trouble Area
B1000/31 A center airbag sensor malfunction. Center airbag sensor assembly

Tech Tips

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

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CENTER AIRBAG SENSOR


    1. Turn the ignition switch off.

    2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

    3. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

    4. Turn the ignition switch to ON, and wait for at least 60 seconds.

    5. Clear the DTCs Click here.

    6. Turn the ignition switch off.

    7. Turn the ignition switch to ON, and wait for at least 60 seconds.

    8. Check for DTCs Click here.

      OK
      DTC B1000 is not output.

    NG

    REPLACE CENTER AIRBAG SENSOR ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here