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 Inflator
DTC 33-2x ("x" can be 0 thru 9 or A thru F):
Increased Resistance in the Left Side Curtain Airbag Inflator
Special Tools Required
- SRS Inflator Simulator 07SAZ-TB4011A
- SRS Simulator Lead L 070AZ-SNAA300
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, General Troubleshooting Information, and 12 Volt 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, 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 12 volt battery, then wait at least 3 minutes.
6. Remove the left rear side trim panel Interior Trim Removal / Installation - Cargo Area.
7. Disconnect the left side curtain airbag inflator 2P connector (A) on the floor wire harness.
8. Connect the terminals of SRS simulator lead L to the SRS inflator simulator (2 Ohms connectors), and then connect SRS simulator lead L to the left side curtain airbag inflator 2P connector on the floor wire harness.
9. Reconnect the negative cable to the 12 volt 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; replace the left side curtain airbag, then clear the DTC.
13. Turn the ignition switch to LOCK (0).
14. Disconnect the negative cable from the 12 volt 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 L. Do not disconnect SRS simulator lead L from the left side curtain airbag inflator 2P connector on the floor wire harness.
17. Measure the resistance between the SRS simulator lead L (A) black terminals.
Is there less than 1.0 Ohms?
YES -
Faulty SRS unit or poor connection at the SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit. If the DTC does not clear, replace the floor wire harness.
NO -
Open or increased resistance in the driver's side wire harness or the floor wire harness; replace the driver's side wire harness or the floor wire harness, then clear the DTC.