Airbag System

SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: B1000/31: Center Airbag Sensor Assembly Malfunction

DTC B1000/31 - Center Airbag Sensor Assembly Malfunction

DESCRIPTION

The center airbag sensor assembly consists of the airbag sensor, the safing sensor, the drive circuit, the diagnosis circuit, the ignition control circuit, etc.
If the center airbag sensor assembly receives signals from the airbag sensor, it determines whether the SRS should be activated.
DTC B1000/31 is recorded when a malfunction is detected in the center airbag sensor assembly.





HINT: When a trouble code is displayed simultaneously with B1000/31, repair the malfunction indicated by that code (except B1000/31) first.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CENTER AIRBAG SENSOR ASSEMBLY
(a) Turn the ignition switch OFF.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(d) Turn the ignition switch ON, and wait for at least 60 seconds.
(e) Clear the DTCs stored in the memory Reading and Clearing Diagnostic Trouble Codes.
(f) Turn the ignition switch OFF.
(g) Turn the ignition switch ON, and wait for at least 60 seconds.
(h) Check the DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B1000/31 is not output.
NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY
OK -- USE SIMULATION METHOD TO CHECK