Center Airbag Sensor Assembly Malfunction - Airbag System
SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1000/31: Center Airbag Sensor Assembly Malfunction
B1000/31 - Center Airbag Sensor Assembly Malfunction
DESCRIPTION
The center airbag sensor consists of the airbag sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.
If the center airbag sensor receives signals from the airbag sensor, it determines whether the SRS should be activated.
DTC B1000/31 is stored when a malfunction is detected in the center airbag sensor.
HINT
When a trouble code is output simultaneously with B1000/31, repair the malfunction indicated by the other code first.
INSPECTION PROCEDURE
NOTICE:
* w/ Navigation System:
After the engine switch is turned off, the display and navigation module display (navigation system) records various types of memory and settings. As a result, after turning the engine switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) battery terminal.
Waiting Time before Disconnecting Cable from Negative (-) Battery Terminal:
* When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected Repair Instruction - Initialization.
PROCEDURE
1. CHECK CENTER AIRBAG SENSOR
(a) Turn the engine switch off.
(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
(c) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
(d) Turn the engine switch on (IG), and wait for at least 60 seconds.
(e) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(f) Turn the engine switch off.
(g) Turn the engine switch on (IG), and wait for at least 60 seconds.
(h) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B1000 is not output.
NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal
OK -- USE SIMULATION METHOD TO CHECK Diagnosis System