CHECK POWER SUPPLY CIRCUIT.

1) Turn the ignition switch to ON.

2) Measure the voltage between connector (2AG) in the test harness AG and chassis ground.

Connector & terminal

(2AG) No. 1 — Chassis ground:

QUESTION
Is the voltage 10 V or more?
Yes	No
	Repair the harness between the airbag control module and the battery. Or replace the airbag main harness along with the bulkhead harness.