AIRBAG SYSTEM, Diagnostic DTC:B1000

DTC Code DTC Name
B1000 Airbag ECU Assembly Malfunction

DESCRIPTION

The center airbag sensor assembly consists of parts such as the airbag sensor, the safing sensor, the drive circuit, the diagnostic circuit and the ignition control. When the center airbag sensor assembly receives signals from the airbag sensor, it determines whether or not the SRS should be activated. B1000 is set when a malfunction is detected in the center airbag sensor assembly.

DTC No. DTC Detecting Condition Trouble Area
B1000

  • Center airbag sensor assembly malfunction

  • Center airbag sensor assembly

Tech Tips

When any other DTCs are set simultaneously with B1000, repair the malfunctions indicated by those DTCs first.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CENTER AIRBAG SENSOR ASSEMBLY


    1. Turn the ignition switch to the LOCK position.

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

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

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

    5. Clear any DTCs stored in the memory Click here.

    6. Turn the ignition switch to the LOCK position.

    7. Turn the ignition switch to the ON position, 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