Operation CHARM: Car repair manuals for everyone.

DTC 1-3

DTC 1-3: Short to another wire or decreased resistance in driver's airbag inflator

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




4. Disconnect the driver's airbag 2P connector from the cable reel 2P connector (A).
5. Connect the special tool (2 Ohm) to the cable reel 2P connector.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
8. Read the DTC.

Is DTC 1-3 indicated?

YES - Go to step 9.

NO - Short in the driver's airbag; replace the driver's airbag.

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




10. Disconnect the cable reel 2P connector from the SRS main harness 2P connector (A).
11. Connect the special tool (2 Ohm) to the SRS main harness 2P connector.
12. Reconnect the battery negative cable.
13. Erase the DTC memory.
14. Read the DTC.

Is DTC 1-3 indicated?

YES - Go to step 15.

NO - Short in the cable reel; replace the cable reel.

15. Disconnect the battery negative cable, and wait for three minutes.




16. Disconnect the front passenger's airbag 4P connector (A) from the SRS main harness 4P connector (B).
17. Disconnect the special tool (2 Ohm) from the SRS main harness 2P connector.




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




19. Check resistance between the No. 7 terminal and the No. 16 terminal of the SRS main harness 18P connector. There should be an open circuit, or at least 1 MOhm.

Is the resistance as specified?

YES - Faulty SRS unit; replace the SRS unit.

NO - Short in the SRS main harness; replace the SRS main harness.