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 SRS main harness 4P connector (A).
5. Connect the special tool (2 Ohm connectors) to the SRS main 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 4P connector (B).




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




12. Disconnect SRS unit connector A (18P) from the SRS unit. Do not disconnect the special tool from the SRS main harness 4P connector.




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.




14. Disconnect the SRS main harness 28P connector (A) from the SRS floor harness 28P connector C851 (B).




15. Check resistance between the No.7 and the No.8 terminals and between the No.1 and the No.2 terminals of the SRS main harness 28P connector. There should be 2.0 - 3.0 Ohm.

Is the resistance as specified?

YES - Open or increased resistance in the SRS floor harness; replace the SRS floor harness.

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