DTC 1-1

DTC 1-1: Open in driver's airbag inflator

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

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 2P connector from the cable reel 2P connector (A).
5. Connect the special tool (2 Ohms connector) to the cable reel 2P connector.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 1-1 or DTC 1-2 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 cable reel 2P connector from the SRS main harness 2P connector (A).
11. Connect the special tool (2 Ohms connector) to the SRS main harness 2P connector.
12. Reconnect the battery negative cable.
13. Erase the DTC memory.

14. Read the DTC.

Is DTC 1-1 or DTC 1-2 indicated?

YES - Go to step15.

NO - Open or increased resistance in the cable reel; replace the cable reel.

15. Disconnect the battery negative cable, and wait for 3 minutes.




16. Disconnect the front passenger's airbag 4P connector (A).




17. Disconnect both seat belt tensioner 2P connectors (A) from the side wire harness 2P connectors (B).




18. Disconnect SRS unit connector B (18P) from the SRS unit.




19. Check resistance between the No. 7 terminal and the No. 16 terminal of SRS unit connector B (18P). There should be 2.0-3.0 Ohms.

Is the resistance as specified?

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

NO - Open or increased resistance in the SRS main harness; replace the SRS main harness.