B1000

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1000; Airbag ECU Assembly Malfunction; 2013 MY FR-S [03/2012 -]
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.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





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

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

B -- GO TO DIAGNOSTIC TROUBLE CODE CHART Airbag System

A -- REPLACE AIRBAG ECU ASSEMBLY Removal