Advanced Air Bag

DTC B1021: Front Air Bag Deployment Record

DTC Detecting Condition and Trouble Area

DTC Detecting Condition And Trouble Area:

NOTE: DTC B1021 can never be cleared once it has been set.

DTC Troubleshooting

Step 1-3:

NOTE: Upon completion of inspection and repair work, perform the following items.
^ Reconnect all air bag system components and ensure all components are properly mounted.
^ Repeat Air Bag Diagnostic System Check:Advanced Air Bag to confirm that the trouble has been corrected.
^ Clear DTC B1157 (air bag deployed) of BCM referring to DTC Clearance, if any.