DTC Troubleshooting: 11-9x

DTC 11-9x (11-90 to 11-99, 11-9A to 11-9F):
Short to Ground in Front Passenger's Airbag Inflator (RHD)
Special Tools Required

SRS inflator simulator
 07SAZ-TB4011A

SRS simulator lead C
 07TAZ-SZ5011A
  1. 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 Step 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.
  1. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.
  1. Disconnect the front passenger's airbag 2P connector (A) from dashboard wire harness.
  1. Connect the SRS inflator simulator (2 Ω connector) and simulator lead C to the dashboard wire harness.
  1. Reconnect the battery negative cable.
  1. Erase the DTC memory.
  1. Read the DTC.
Is DTC 11-9x indicated?
YES -
Go to Step 9 .
NO -
Short to ground in the front passenger's airbag inflator; replace the front passenger's airbag.
  1. Turn the ignition switch OFF. Disconnect the battery negative cable, and wait for 3 minutes.

  1. Disconnect SRS unit connector A (28P) from the SRS unit.
  1. Disconnect the SRS inflator simulator from the SRS simulator lead.

  1. Check resistance between the each terminals of the SRS simulator lead and body ground. There should be an open circuit or at least 1 MΩ.
Is the resistance as specified?
YES -
Faulty SRS unit; replace the SRS unit.
NO -
Short to ground in the dashboard wire harness; replace the dashboard wire harness.■