Diesel Data: Automotive Repair

Center Airbag Sensor Assembly Malfunction - 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 deceleration sensor, the safing sensor, the drive circuit, the diagnosis circuit, the ignition control, etc.
If the center airbag sensor assembly receives signals from the deceleration 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 this code (except B1000/31) first.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK CENTER AIRBAG SENSOR ASSEMBLY




(a) Turn the power switch on (IG), and wait for at least 60 seconds.
(b) Clear the DTCs stored in the memory DTC Check / Clear.
(c) Turn the power switch off.
(d) Turn the power switch on (IG), and wait for at least 60 seconds.
(e) Check the DTCs DTC Check / Clear.
OK:
DTC B1000/31 is not output.
Result:






C -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY
B -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY
A -- USE SIMULATION METHOD TO CHECK