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
For rear collision
.
:
.
2.
REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
When DTC B12B9-97 is detected, replace air bag diagnosis sensor unit.
:
Replace air bag diagnosis sensor unit. Refer to
Removal and Installation
.