DTC 12-1
DTC 12-1: Open or increased resistance in front passenger's side airbag inflator1. Erase the DTC memory.
2. Turn the ignition switch ON (II), and check that the SRS indicator light comes on for about six seconds, and then goes off.
Does the SRS indicator light stay on?
YES - Go to step 3.
NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures.
3. Disconnect the battery negative cable, and wait for three minutes.
4. Disconnect the SRS floor harness 2P connector (A) from the front passenger's side airbag (B).
5. Connect the special tool (2 ohms) to the SRS floor harness 2P connector.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.
Is DTC 12-1 or DTC 12-2 indicated?
YES - Go to step 9.
NO - Open or increased resistance in the front passenger's side airbag inflator, replace the front passenger's side airbag.
9. Disconnect the battery negative cable, and wait for three minutes.
10. Disconnect the SRS floor harness 2P connector (A) from the driver's side airbag (B).
11. Disconnect the SRS floor harness 14P connector (A) from the SRS unit (B). Do not disconnect the special tool (2 ohms) from the SRS floor harness 2P connector.
SRS Floor Harness 14P Connector (Wire Side Of Female Terminals):
12. Check resistance between the No.5 and No.14 terminals of the SRS floor 14P connector. There should be 2.0 - 3.0 ohms.
Is the resistance as specified?
YES - Faulty SRS unit or poor contact at the SRS floor harness 14P connector and the SRS unit; check the connection at the SRS floor harness 14P connector and SRS unit. If the connector is OK, replace the SRS unit.
NO - Open or increased resistance in the SRS floor harness; replace the SRS floor harness.