AIRBAG SYSTEM, Diagnostic DTC:B1000/31

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

DESCRIPTION

The airbag ECU assembly consists of the 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 the airbags and pretensioners should be deployed.

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

DTC No. Detection Item DTC Detection Condition Trouble Area Test Mode / Check Mode
B1000/31 Center Airbag Sensor Assembly Malfunction Airbag ECU assembly malfunction Airbag ECU assembly Does not apply to test/check mode

PROCEDURE


  1. CHECK DTC


    1. Check for DTCs.

      Click here


      Body Electrical > SRS Airbag > Trouble Codes

      Note

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

      Tech Tips

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

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

    A
    B