DTC 2-1

DTC 2-1: Open or Increased Resistance 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.

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 from the dashboard wire harness (A).
5. Connect the inflator simulator (2 ohm connectors) and the simulator lead F to the dashboard wire harness 4P connector.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 2-1 indicated?

YES - Go to step 9.

NO - Open or increased resistance 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 (A) from the cable reel.




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 dashboard wire harness.




13. Check resistance between the No. 4 and No. 13 terminals and between the No. 5 and No. 14 terminals of SRS unit connector A (18P). There should be 2.0 - 3.0 ohm.

Is the resistance as specified?

YES - Faulty SRS unit or poor contact at the SRS unit connector A (18P). Check the connection; if the connection is OK, replace the SRS unit.

NO - Open or increased resistance in the dashboard wire harness; replace the dashboard wire harness.