DTC 31

DTC 31 AIRBAG SENSOR ASSY MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detection Condition:

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

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.

Wiring Diagram:

Step 1:

Step 2 - 3:

Step 4 - 5:

Step 6 - 7:

Step 8 - 9:

Step 10 - 11:

Step 12 - 13:

INSPECTION PROCEDURE