DTC 1-1

DTC 1-1: Open or Increased Resistance in Driver's Airbag Inflator

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- 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 airbag 4P connector (A) from the cable reel.
5. Connect the simulator lead F (2 Ohms connectors) and the inflator simulator to the cable reel 4P connector,
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 1-1 indicated?

YES - Go to step 9.

NO - Open or increased resistance in the driver's airbag inflator; replace the driver's airbag.

9. Disconnect the battery negative cable, and wait for 3 minutes.
10. Disconnect the front passenger's airbag 4P connector from dashboard wire harness B.

11. Disconnect both seat belt tensioners 2P connectors from the floor wire harness.
12. Disconnect SRS unit connector A (18P) from the SRS unit.




13. Check resistance between the No. 7 and the No. 16 terminals and between the No. 6 and the No. 15 terminals of SRS unit connector A (18P). There should be 2.0 - 3.0 Ohm.

Is the resistance as specified?

YES - Faulty SRS unit or poor contact at SRS unit connector A (18P) and the SRS unit, check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit.

NO - Open or increased resistance in dashboard wire harness B or the cable reel; replace the cable reel.If the problem is still present, replace dashboard wire harness B.