DTC 2-4

DTC 2-4: Short to Power in Passenger'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. If another DTC is indicated, go to the DTC Troubleshooting Index.

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




4. Disconnect the passenger's airbag 2P connector from the floor wire harness (A).
5. Connect the SRS inflator simulator (2 ohms connector) and the simulator lead C to the floor wire harness.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 2-4 indicated?

YES - Go to step 9.

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

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




10. Disconnect the driver's airbag 2P connector (A).




11. Disconnect both seat belt tensioner 2P connectors (A).




12. Disconnect SRS unit connector A (18P) from the SRS unit.
13. Disconnect the simulator lead from the floor wire harness.
14. Reconnect the battery negative cable.
15. Turn the ignition switch ON (II).




16. Check for voltage between the No. 15 terminal of SRS unit connector A (18P) and body ground, and the No. 6 terminal and body ground. There should be 0.5V or less.

Is the voltage as specified?

YES - Faulty SRS unit; replace the SRS unit.

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