33-1x

SRS DTC Troubleshooting: 33-1x, 33-2x

DTC 33-1x ("x" can be 0 thru 9 or A thru F):

Open in the Left Side Curtain Airbag First Inflator

DTC 33-2x ("x" can be 0 thru 9 or A thru F):

Increased Resistance in the Left Side Curtain Airbag First Inflator

Special Tools Required

- SRS Inflator Simulator 07SAZ-TB4011A
- SRS Simulator Lead N 070AZ-TK8A100

NOTE:

- Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed Service and Repair.
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service Precautions, 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 Testing and Inspection, 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 33-1x or 33-2x 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 left side C-pillar trim.

7. Disconnect the left side curtain airbag inflator 4P connector (A) on the left side wire harness.





8. Connect the terminals of SRS simulator lead N to the SRS inflator simulator (2 Ohms connectors), then connect SRS simulator lead N to the left side curtain airbag inflator 4P connector on the left side wire harness.

9. Reconnect the negative cable to the battery.

10. Clear the DTCs with the HDS.

11. Turn the ignition switch to ON (II), then wait for 10 seconds.

12. Check for DTCs with the HDS.

Is DTC 33-1x or 33-2x indicated?

YES -

Go to step 13.

NO -

Open or increased resistance in the left side curtain airbag first inflator; replace the left side curtain airbag Side Curtain Airbag Replacement, then clear the DTC.

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

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

15. Disconnect SRS unit connector B (39P) from the SRS unit.

16. Disconnect the SRS inflator simulator from SRS simulator lead N. Do not disconnect SRS simulator lead N from the left side curtain airbag inflator 4P connector on the left side wire harness.

17. Measure the resistance of the SRS simulator lead N red terminal (A).





Is there less than 1.0 Ohms?

YES -

Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit Service and Repair. If the DTC does not clear, replace the left or right side wire harness.

NO -

Open or increased resistance in the left or right side wire harness; replace the faulty harness, then clear the DTC.