B1100

CIRCUIT DESCRIPTION

The airbag sensor assembly consists of the airbag sensor, safing sensor, drive circuit and ignition control, etc..
It receives signals from the airbag sensor, judges whether or not the SRS must be activated, and detects diagnosis system malfunction.
DTC B1100/31 is recorded when occurrence of a malfunction in the airbag sensor assembly is detected.

INSPECTION PROCEDURE

HINT: When a malfunction code other than code B1100/31 is displayed at the same time, first repair the malfunction indicated by the malfunction code other than code B1100/31.





Step 1/Prepare for Inspection




Step 2/Check voltage at IG2 and ACC of airbag sensor assembly




Step 3/Is DTC B1100/31 output again?