Dtc B1000/31 Center Airbag Sensor Assembly Malfunction

Restraints. Lexus Is250, Is220D. Gse20 Ale20
Supplemental Restraint System. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

INSPECTION PROCEDURE

CHECK CENTER AIRBAG SENSOR ASSEMBLY

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, etc.
If the center airbag sensor assembly receives signals from the airbag sensor, it determines whether or not the SRS should be activated.
DTC B1000/31 is recorded when a malfunction is detected in the center airbag sensor assembly.

DTC No.
DTC Detecting Condition
Trouble Area
B1000/31
Center airbag sensor assembly malfunction
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

1.CHECK CENTER AIRBAG SENSOR ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.Supplemental Restraint System.Airbag System. Dtc B1000/31 Center Airbag Sensor Assembly Malfunction

  1. Turn the engine switch off.

  1. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

  1. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.

  1. Turn the engine switch on (IG), and wait for at least 60 seconds.

  1. Clear the DTCs stored in memory (Click here).

  1. Turn the engine switch off.

  1. Turn the engine switch on (IG), and wait for at least 60 seconds.

  1. Check the DTCs (Click here).

    OK:
    DTC B1000/31 is not output.


NG
REPLACE CENTER AIRBAG SENSOR ASSEMBLY
OK

USE SIMULATION METHOD TO CHECK