AIRBAG SYSTEM, Diagnostic DTC:B1000/31

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

DESCRIPTION

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

If the airbag ECU 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 ECU assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1000/31 Center Airbag Sensor Assembly Malfunction An airbag ECU assembly malfunction. Airbag ECU assembly

CAUTION / NOTICE / HINT

Note

After replacing the airbag ECU assembly, refer to initialization.

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PROCEDURE


  1. CHECK DTC


    1. Check for DTCs.

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      Body Electrical > SRS Airbag > Trouble Codes
      Result
      Proceed to
      DTC B1000/31 is output
      DTC B1000/31 and other DTCs are output

      Note

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

      Tech Tips

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


    DTC B1000/31 is output
    DTC B1000/31 and other DTCs are output