DTC 2-4

DTC 2-4: Short to Power in Front Passenger'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. Diagnostic Strategies If another DTC is indicated, go to the DTC Troubleshooting Index. DTC List - Supplemental Restraint System

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




4. Disconnect the front passenger's airbag 4P connector (A) from dashboard wire harness B.
5. Connect the SRS inflator simulator (2 Ohms connectors) and simulator lead F to dashboard wire harness B.
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 front passenger's airbag inflator; replace the front passenger's airbag.

9. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.
10. Disconnect the driver's airbag 4P connector from the cable reel.
11. Disconnect both seat belt tensioner 2P connectors (A) from the rear door wire harness.
12. Disconnect SRS unit connector A (18P) from the SRS unit.
13. Disconnect simulator lead F from dashboard wire harness B.
14. Reconnect the battery negative cable.
15. Turn the ignition switch ON (II).




16. Check for voltage between the No. 4 terminal of SRS unit connector A (18P) and body ground, the No. 13 terminal and body ground, the No. 5 terminal and body ground, and the No. 14 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 dashboard wire harness B; replace dashboard wire harness B.