33-3x
SRS DTC Troubleshooting: 33-3x
DTC 33-3x ("x" can be 0 thru 9 or A thru F):
Short to Another Wire or Decreased Resistance in the Left Side Curtain Airbag Inflator
Special Tools Required
- SRS Inflator Simulator 07SAZ-TB4011A
- SRS Simulator Lead E 07XAZ-S1A0200
- SRS Simulator Lead L 070AZ-SNAA300
- SRS Short Canceller 070AZ-SAA0100
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.
1. Clear the DTC memory Reading and Clearing Diagnostic Trouble Codes.
2. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.
3. Read the DTC Reading and Clearing Diagnostic Trouble Codes.
Does the SRS indicator stay on, and is DTC 33-3x indicated?
YES -
Go to step 4.
NO -
Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. 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 headliner Service and Repair, then disconnect the left side curtain airbag harness 2P connector (A) from the right side curtain airbag 2P connector (B).
'07 model
'08-10 models
7. Connect the SRS inflator simulator (2 Ohms connector) and simulator lead E ('07 model) or L ('08-10 models) to the left side curtain airbag harness.
8. Reconnect the negative cable to the battery.
9. Clear the DTC memory Reading and Clearing Diagnostic Trouble Codes.
10. Read the DTC Reading and Clearing Diagnostic Trouble Codes.
Is DTC 33-3x indicated?
YES -
Go to step 11.
NO -
Short to another wire in the left side curtain airbag inflator; replace the left side curtain airbag Side Curtain 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. Disconnect SRS unit connector C (16P) from the SRS unit Service and Repair.
14. Disconnect the SRS inflator simulator from the SRS simulator lead. Do not disconnect the simulator lead from the left side curtain airbag harness 2P connector.
15. Connect a SRS short cancellers (070AZ-SAA0100) to SRS unit connector C (16P) terminals No. 11 and No. 12 Service and Repair.
16. Measure the resistance between the terminal of the red SRS simulator lead E (A) or the terminal of the black SRS simulator lead L (B). There should be an open circuit or at least 1 MOhms.
Is the resistance as specified?
YES -
Faulty SRS unit or poor connection at SRS unit connector C (16P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit SRS Unit Replacement.�
NO -
Short to another wire in the left side curtain airbag harness; replace the left side curtain airbag harness, then clear the DTC.�