Toyota CH-R Service Manual: Center Airbag Sensor Assembly Malfunction (B1000/31)

Toyota CH-R Service Manual / Supplemental Restraint Systems / Airbag System / Center Airbag Sensor Assembly Malfunction (B1000/31)

DESCRIPTION

The airbag sensor assembly consists of the acceleration sensor, safing sensor, drive circuit, diagnosis circuit, ignition control, etc.

If the airbag sensor assembly receives signals from the acceleration sensor and pressure sensor, it determines whether the airbags and pretensioners should be deployed.

DTC B1000/31 is stored when a malfunction is detected in the airbag sensor assembly.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Test Mode / Check Mode
B1000/31	Center Airbag Sensor Assembly Malfunction	Airbag sensor assembly malfunction	Airbag sensor assembly	Does not apply to test/check mode

PROCEDURE

CHECK DTC

(a) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

NOTICE:

If only DTC B1000/31 is output, do not clear the DTC, replace the airbag sensor assembly.

HINT:

If any DTCs other than DTC B1000/31 are also output, troubleshoot those DTCs first.

Result	Proceed to
Only DTC B1000/31 is output	A
DTC B1000/31 and other DTCs are output	B

REPLACE AIRBAG SENSOR ASSEMBLY

GO TO DIAGNOSTIC TROUBLE CODE CHART

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