DTC 11-4x

DTC 11-4x (11-40 to 11-49, 11-4A to 11-4F): Open or Increased Resistance in Driver's Airbag Second Inflator

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead F 07XAZ-SZ30100

1. Erase the DTC memory.
2. Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.

Does the SRS indicator stay on. and is DTC 11-1x or 11-4x indicated?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC troubleshooting index.

3. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.




4. Disconnect the driver's airbag 4P connector (A) from the cable reel.
5. Connect the SRS inflator simulator (2 Ohms connectors) and the simulator lead to the cable reel.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 11-1x or 11-4x indicated?

YES - Go to step 9.

NO - Open or increased resistance in the driver's airbag first or second inflator; replace the driver's airbag.

9. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.




10. Disconnect the dashboard wire harness 4P connector (A) from the cable reel.
11. Connect the SRS inflator simulator (2 Ohms connectors) and the simulator lead to the dashboard wire harness.
12. Reconnect the battery negative cable.
13. Erase the DTC memory.
14. Read the DTC.

Is DTC 11-1x or 11-4x indicated?

YES - Go to step 15.

NO - Open or increased resistance in the cable reel; replace the cable reel.

15. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.
16. Disconnect SRS unit connector A (28P) from the SRS unit. Do not disconnect SRS simulator lead F from dashboard wire harness 4P connector.
17. Disconnect the SRS inflator simulator from SRS simulator lead F.




18. Check resistance between the terminals of SRS simulator lead F. There should be 1 Ohms or less.

Is the resistance as specified?

YES - Faulty SRS unit or poor contact at SRS unit connector A (28P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit.