Diagnosis Procedure
warning
Before servicing, ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.)
Never use unspecified tester or other measuring device.
1.
PERFORM COLLISION DIAGNOSIS
Perform collision diagnosis. Refer to
When SRS is activated in a collision
or When SRS is not activated in a collision
When SRS is not activated in a collision
.
:
.
2.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
When DTC B12B7-97 is detected, replace air bag diagnosis sensor unit.
:
Replace air bag diagnosis sensor unit. Refer to
Removal and Installation
.
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or When SRS is not activated in a collisionWhen SRS is not activated in a collision