DESCRIPTION
The center airbag sensor assembly consists of a deceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.
If the center airbag sensor assembly receives signals from the deceleration sensor, it determines whether or not the SRS should be activated.
DTC B1000/31 is stored when a malfunction is detected in the center airbag sensor assembly.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1000/31 |
Center airbag sensor assembly malfunction |
Center airbag sensor assembly |
PROCEDURE
1. |
CHECK DTC |
(a) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC B1000/31 is output |
A |
DTC B1000/31 and other DTCs are output |
B |
NOTICE:
If only DTC B1000/31 is output, do not clear the DTCs, replace the center airbag sensor assembly.
HINT:
If any DTCs other than DTC B1000/31 are also output, troubleshoot those DTCs first.
A | ![]() |
REPLACE CENTER AIRBAG SENSOR ASSEMBLY |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
Inspection
INSPECTION
PROCEDURE
1. INSPECT DRIVE MONITOR SWITCH
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Switch Condition
Specif ...
Terminals Of Ecm
TERMINALS OF ECM
HINT:
The standard voltage between each pair of ECM terminals is shown in the table
below. The appropriate conditions for checking each pair of terminals are also indicated.
The result of checks should be compared with the standard vol ...
Lost Communication with ECM (U0100-U0142,U0155)
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
U0100
No communication with ECM
CAN communication system
ECM
U0131
No commu ...