A-BAG Branch Line Circuit Check

WARNING: Always observe the following items for preventing accidental activation.

Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
Never use unspecified tester or other measuring device.

DIAGNOSIS PROCEDURE

Step	Action	YES	NO
1	CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the transfer control unit for damage, bend and loose connection (unit side and connector side). Is the inspection result normal?	GO TO 2.	Replace the main harness.
2	CHECK AIR BAG DIAGNOSIS SENSOR UNIT Check the air bag diagnosis sensor unit. Refer to [Diagnosis and Repair Workflow: Interview Sheet ]. Is the inspection result normal?	Replace the main harness.	Replace parts whose air bag system has a malfunction.