11-4x

SRS DTC Troubleshooting: 11-1x, 11-4x (x can be 0 thru 9 or A thru F)

DTC 11-1x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Airbag First Inflator

DTC 11-4x ("x" can be 0 thru 9 or A thru F): Open in the Driver's Airbag Second Inflator

Special Tools Required

- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead J 070AZ-SNAA100
NOTE:

- Before doing this troubleshooting procedure, review SRS Precautions and Procedures, Service and Repair General Troubleshooting Information, Reading and Clearing Diagnostic Trouble Codes and Battery Terminal Disconnection and Reconnection. Procedures

- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software, SRS Unit Update and retest.

1. Clear the DTC with the HDS. Reading and Clearing Diagnostic Trouble Codes

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

3. Check for DTCs with the HDS. Reading and Clearing Diagnostic Trouble Codes

Does the SRS indicator stay on, and is DTC 11-1x or 11-4x indicated?
YES - Go to step 4.

NO - Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. Reading and Clearing Diagnostic Trouble Codes If another DTC is indicated, troubleshoot the DTC.


4. Turn the ignition switch to LOCK (0).

5. Disconnect the negative cable from the battery, then wait at least 3 minutes.

6. Disconnect the driver's airbag 4P connector (A) from the cable reel 4P connector.






7. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead J to the cable reel.

8. Reconnect the negative cable to the battery.

9. Clear the DTC with the HDS.

10. Check for DTCs with the HDS. Reading and Clearing Diagnostic Trouble Codes

Is DTC 11-1x or 11-4x indicated?
YES - Go to step 11.

NO - Open in the driver's airbag first or second inflator; replace the driver's airbag, Driver's Airbag Replacement then clear the DTC.


11. Turn the ignition switch to LOCK (0).

12. Disconnect the negative cable from the battery, then wait at least 3 minutes.

13. Remove the column cover, Steering Column Cover Removal/Installation then disconnect the dashboard wire harness 4P connector (A) from the cable reel 4P connector.

14. Connect the SRS inflator simulator (2 Ohms connectors) and the simulator lead to the dashboard wire harness.

15. Reconnect the negative cable to the battery.

16. Clear the DTC with the HDS.






17. Check for DTCs with the HDS.

Is DTC 11-1x or 11-4x indicated?
YES - Go to step 18.

NO - Open in the cable reel; replace the cable reel, Service and Repair then clear the DTC.


18. Turn the ignition switch to LOCK (0).

19. Disconnect the negative cable from the battery, then wait at least 3 minutes.

20. Disconnect SRS unit connector A (39P) from the SRS unit. Service and Repair

21. Disconnect the SRS inflator simulator from the SRS simulator lead. Do not disconnect the simulator lead from the dashboard wire harness 4P connector.

22. Measure the resistance between the terminals of both SRS simulator leads. There should be less than 1.0 Ohms.

Is the resistance as specified?
YES - Faulty SRS unit or poor connection at SRS unit connector A (39P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit. SRS Unit Replacement

NO - Open in the dashboard wire harness; replace the dashboard wire harness, then clear the DTC.