DESCRIPTION
The airbag ECU assembly consists of the deceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.
If the airbag ECU assembly receives signals from the deceleration sensor, it determines whether the airbags and pretensioners should be deployed.
DTC B1000/31 is stored when a malfunction is detected in the airbag ECU assembly.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Test Mode / Check Mode |
---|---|---|---|---|
B1000/31 | Center Airbag Sensor Assembly Malfunction | Airbag ECU assembly malfunction | Airbag ECU assembly | Does not apply to test/check mode |
PROCEDURE
CHECK DTC
Check for DTCs.
Note
If only DTC B1000/31 is output, do not clear the DTC, replace the airbag ECU assembly.
Tech Tips
If any DTCs other than DTC B1000/31 are also output, troubleshoot those DTCs first.
Result | ||||||
---|---|---|---|---|---|---|
|
A |
REPLACE AIRBAG ECU ASSEMBLY Click here |
B |
GO TO DIAGNOSTIC TROUBLE CODE CHART Click here |