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. Initial Inspection and Diagnostic Overview If another DTC is indicated, go to the DTC Troubleshooting Index. Diagnostic Trouble Code Descriptions

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




4. Disconnect the driver's airbag 4P connector from the cable reel (A).
5. Connect the SRS inflator simulator(2 Ohms connectors) and the simulator lead F 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. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.




10. Disconnect the front passenger's airbag 4P connector (A) from the dashboard wire harness.




11. Disconnect both seat belt tensioner 2P connectors (A) from the floor wire harness.




12. Disconnect SRS unit connector A (18P) from the SRS unit. Do not disconnect the simulator lead from the cable reel.




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 Ohms.

Is the resistance as specified?

YES - Faulty SRS unit or poor connection 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 Open or increased resistance in the dashboard wire harness or the cable reel; replace the cable reel.If the problem is still present, replace the dashboard wire harness.