DTC Troubleshooting: 11-9x

DTC 11-9x (11-90 to 11-99, 11-9A to 11-9F):  Short to Ground in Driver's Airbag Inflator (LHD)


Special Tools Required
SRS inflator simulator (  07SAZ-TB4011A)

SRS simulator lead C (  07TAZ-SZ5011A)
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 and is DTC 11-9x indicated?


YES - Go to 3.


NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, go to the DTC troubleshooting index for troubleshooting details.


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

4.Disconnect the driver's airbag 2P connector (A) from the cable reel.

5.Connect the SRS inflator simulator (2 W connector) and simulator lead C to the cable reel.

6.Reconnect the battery negative cable.

7.Erase the DTC memory.

8.Read the DTC.

Is DTC 11-9x indicated?


YES - Go to 9.


NO - Short to ground in the driver's airbag inflator; replace the driver's airbag.n


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

10.Disconnect the dashboard wire harness 4P connector (A) from the cable reel.

11.Connect the SRS inflator simulator (2 W connectors) and simulator lead F to the dashboard wire harness.

12.Reconnect the battery negative cable.

13.Erase the DTC memory.

14.Read the DTC.

Is DTC 11-9x indicated?


YES - Go to 15.


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


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

16.Disconnect SRS unit connector A (28P) from the SRS unit.

17.Disconnect the SRS inflator simulator from the SRS simulator lead F.

18.Check resistance between each terminal of the SRS simulator lead F and body ground. There should be an open circuit, or at least 1 MW.

Is the resistance as specified?


YES - Faulty SRS unit; replace the SRS unit.n


NO - Short to ground in the dashboard wire harness; replace the dashboard wire harness.n