DTC 1-4

DTC 1-4: Short to power 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 1-4 indicated?

YES - Go to step 9.

NO - Short to power in the driver's airbag; replace the driver's airbag.

9. 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 1-4 indicated?

YES - Go to step 15.

NO - Short to power 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) from the SRS main harness 4P connector (B).




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. Disconnect the special tool from the SRS main harness 2P connector.
20. Reconnect the battery negative cable.
21. Turn the ignition switch ON (II).




22. Check for voltage between the No. 7 terminal of SRS unit connector B (18P) and body ground, and between the No. 16 terminal and body ground. There should be 0.5 V or less.

Is the voltage as specified?

YES - Faulty SRS unit; replace the SRS unit.

NO - Short to power in the SRS main harness; replace the SRS main harness.