DTC 3-3

DTC 3-3: Short to Another Wire or Decreased Resistance in Driver's Seat Belt Tensioner

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead C 07TAZ-SZ5011A
- SRS simulator lead F 07XAZ-SZ30100

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?

YES - Go to step 3.

NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures.

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




4. Disconnect the driver's seat belt tensioner 2P connector from the floor wire harness (A).
5. Connect the inflator simulator (2 ohm connector) and the simulator lead C to the floor wire harness 2P connector.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 3-3 indicated?

YES - Go to step 9.

NO - Short in the driver's seat belt tensioner; replace the driver's seat belt.

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




10. Disconnect the floor wire harness 4P connector (A) from the dashboard wire harness C504.
11. Connect the inflator simulator (2 ohm connectors) and the simulator lead F to the dashboard wire harness 4P connector C504.
12. Reconnect the battery negative cable.
13. Erase the DTC memory.
14. Read the DTC.

Is DTC 3-3 indicated?

YES - Go to step 15.

NO - Short in the floor wire harness; replace the floor wire harness.

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




16. Disconnect the driver's airbag connector (A), front passenger's airbag connector (B), and front passenger's seat belt tensioner connector (C).




17. Disconnect SRS unit connector A (18P) from the SRS unit.
18. Disconnect the simulator lead from the dashboard wire harness 4P connector.




19. Check resistance between the No. 8 terminal and the No. 17 terminal of SRS unit connector A (18P). There should be an open circuit or at least 1 MOhm

Is the resistance as specified?

YES - Faulty SRS unit; replace the SRS unit.

NO - Short in the dashboard wire harness; replace the dashboard wire harness.