11-4x
SRS DTC Troubleshooting: 11-1x, 11-2x, 11-4x, 11-5x
DTC 11-1x ("x" can be 0 thru 9 or A thru F):
Open in the Driver's Airbag First Inflator
DTC 11-2x ("x" can be 0 thru 9 or A thru F):
Increased Resistance 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
DTC 11-5x ("x" can be 0 thru 9 or A thru F):
Increased Resistance 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 DTCs with the HDS.
2. Turn the ignition switch to ON (II), then wait for 10 seconds.
3. Check for DTCs with the HDS.
Is DTC 11-1x, 11-2x, 11-4x, or 11-5x indicated?
YES -
Go to step 4.
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. 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. Remove the access panel (A) from the steering wheel, then disconnect the driver's airbag 4P connector (B) from the cable reel.
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 DTCs with the HDS.
10. Check for DTCs with the HDS.
Is DTC 11-1x, 11-2x, 11-4x, or 11-5x indicated?
YES -
Go to step 11.
NO -
Open or increased resistance 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 Service and Repair, then disconnect the dashboard wire harness 4P connector (A) from the cable reel.
14. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead J to the dashboard wire harness.
15. Reconnect the negative cable to the battery.
16. Clear the DTCs with the HDS.
17. Check for DTCs with the HDS.
Is DTC 11-1x, 11-2x, 11-4x, or 11-5x indicated?
YES -
Go to step 18.
NO -
Open or increased resistance 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.
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 or increased resistance in the dashboard wire harness; replace the dashboard wire harness, then clear the DTC.�