DTC 12-3

DTC 12-3: Short to Another Wire or Decreased Resistance in Front Passenger's Side Airbag Inflator

Special Tools Required
- SRS inflator simulator 07SAZ-TB4011A
- SRS simulator lead E 07XAZ-S1A0200

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 floor wire harness 2P connector (A) from the front passenger's side airbag (B).
5. Connect the special tool (2 Ohms connector) to the floor wire harness 2P connector.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 12-3 indicated?

YES - Go to step 9.

NO - Short to another wire in the front passenger's side airbag inflator; replace the front passenger's side airbag.

9. Disconnect the battery negative cable, and wait for 3 minutes.




10. Disconnect the driver's side airbag 2P connector (A) and both seat belt buckle tensioner 4P connectors (B).
11. Disconnect the special tool from the floor wire harness 2R connector.




12. Disconnect SRS unit connector A (18P) from the SRS unit (B).




13. Check resistance between the No.7 and No.18 terminals of SRS unit connector A (18P). There should be 1 MOhm or more.

Is the resistance as specified?

YES - Faulty SRS unit; replace the SRS unit.

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