DTC 33-9x

DTC 33-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Left Side Curtain Airbag First Inflator

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead E 07XAZ-S1A0200
- SRS simulator lead F 07XAZ-SZ30100

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information.

1. Clear 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 33-9x indicated?

YES - Go to step 3.

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

3. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.
4. Disconnect the roof wire harness 2P connector (A) from the left side curtain airbag 2P connector (B).






5. Connect the SRS inflator simulator (2 ohms connector) and simulator lead E to the roof wire harness 2P connector.
6. Reconnect the negative cable to the battery.
7. Clear the DTC memory.
8. Check for a DTC.

Is DTC 33-9x indicated?

YES - Go to step 9.

NO - Short to ground in the left side curtain airbag inflator; replace the left side curtain airbag.

9. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.
10. Disconnect dashboard wire harness A 4P connector C554 from the roof wire harness 4P connector.
11. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead F to dashboard wire harness A.






12. Reconnect the negative cable to the battery.
13. Clear the DTC memory.
14. Check for a DTC.

Is DTC 33-9x indicated?

YES - Go to step 15.

NO - Short to ground in the roof wire harness; replace the roof wire harness.

15. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.
16. Disconnect SRS unit connector C (28P) from the SRS unit.
17. Disconnect the simulator lead from dashboard wire harness A.
18. Measure the resistance between the No.3 terminal of the dashboard wire harness A 4P connector and body ground, and between the No. 4 terminal and body ground. There should be an open ground, circuit or at least 1 Mohms.






Is the resistance as specified?

YES - Faulty SRS unit; replace the SRS unit.

NO - Go to step 19.

19. Disconnect SRS subharness 28P connector C821 (B) from dashboard wire harness A C821.






20. Measure the resistance between the No.22 terminal of SRS subharness 28P connector C821 and body ground, and between the No.23 terminal and body ground. There should be an open circuit or at least 1 Mohms.






Is the resistance as specified?

YES - Short to ground in dashboard wire harness A; replace dashboard wire harness A.

NO - Short to ground in the SRS subharness; replace the SRS subharness.