AIRBAG SYSTEM, Diagnostic DTC:B1000

DTC Code DTC Name
B1000 Airbag ECU Assembly Malfunction

DESCRIPTION

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

If the airbag ECU assembly receives signals from the deceleration sensor, it determines whether the airbag squib and pretensioner squib should be activated.

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

DTC No. DTC Detection Condition Trouble Area
B1000 Airbag ECU assembly malfunction Airbag ECU assembly

PROCEDURE


  1. CHECK DTC


    1. Check for DTCs Click here.

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

      Note

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

      Tech Tips

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


    A

    REPLACE AIRBAG ECU ASSEMBLY Click here

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here