Operation CHARM: Car repair manuals for everyone.

DTC 33-81

DTC 33-81: Short to Power in Left Side Curtain Airbag Inflator

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

1. Erase 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 33-81 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, go to the DTC Troubleshooting Index. Diagnostic Trouble Code Descriptions

3. Turn the ignition switch OFF. Disconnect the negative cable from the battery, and wait for 3 minutes.




4. Disconnect the left side wire harness 2P connector (A) from the left side curtain airbag (B).
5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead E to the left side wire harness.
6. Reconnect the negative cable to the battery.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 33-81 indicated?

YES - Go to step 9.

NO - Short to power 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 the SRS unit connection C (28P) from the SRS unit. Do not disconnect the simulator lead from the left side wire harness.
11. Reconnect the negative cable to the battery.
12. Turn the ignition switch ON (II).
13. Disconnect the SRS inflator simulator from SRS simulator lead.




14. Check for voltage between each terminal of the SRS simulator lead and body ground. There should be 0.5 V or less.

Is the voltage as specified?

YES - Faulty SRS unit; replace the SRS unit.

NO - Go to step 15.

15. Turn the ignition switch OFF.




16. Disconnect right side wire harness 16P connector C655 (A) from left side wire harness connector C655 (B).




17. Check for voltage between the No. 6 terminal of right side wire harness 16P connector C655 and body ground, and between the No. 8 terminal and body ground. There should be 0.5 V or less.

Is the voltage as specified?

YES - Short to power in the left side wire harness; replace the left side wire harness.

NO - Short to power in the right side wire harness; replace the right side wire harness.