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Home >> Acura >> 2005 >> TSX Automatic >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> SRS (Supplemental Restraint System) >> DTC Troubleshooting >> DTC 11-1x ("x" can be 0 thru 9 or A thru F): Open in Driver's Airbag First Inflator; DTC 11-4x ("x" can be 0 thru 9 or A thru F): Open in Driver's Airbag Second Inflator

DTC 11-1x ("x" can be 0 thru 9 or A thru F): Open in Driver's Airbag First Inflator; DTC 11-4x ("x" can be 0 thru 9 or A thru F): Open in Driver's Airbag Second Inflator

Special Tools Required 

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures (see PRECAUTIONS AND PROCEDURES  ) and General Troubleshooting Information (see DTC (DIAGNOSTIC TROUBLE CODES)  ).
  1. Clear the DTC memory (see CLEAR THE DTC MEMORY WITH THE HDS  ).
  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 11-1x or 11-4x 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, troubleshoot the DTC.

  3. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.
  4. Disconnect the driver's airbag 4P connector (A) from the cable reel.
    Fig 1: Identifying Driver's Airbag 4P Connector
    G05489556Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Connect the SRS inflator simulator (2 Ω connectors) and simulator lead F to the cable reel.
  6. Reconnect the negative cable to the battery.
  7. Clear the DTC memory.
  8. Read the DTC (see DTC (DIAGNOSTIC TROUBLE CODES)  ).

    Is DTC 11-1x or 11-4x indicated? 

    YES  -Go to step 9.

    NO  -Open in the driver's airbag first or second inflator; replace the driver's airbag (see DRIVER'S AIRBAG REPLACEMENT  ).

  9. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.
  10. Disconnect the dashboard wire harness 4P connector (A) from the cable reel.
    Fig 2: Identifying Dashboard Wire Harness 4P Connector
    G05489557Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Connect the SRS inflator simulator (2 Ω connectors) and the simulator lead to the dashboard wire harness.
  12. Reconnect the negative cable to the battery.
  13. Clear the DTC memory.
  14. Read the DTC.

    Is DTC 11-1x or 11-4x indicated? 

    YES  -Go to step 15.

    NO  -Open in the cable reel; replace the cable reel (see CABLE REEL REPLACEMENT  ).

  15. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.
  16. Disconnect SRS unit connector A (28P) from the SRS unit (see step  7 ).
  17. Disconnect the SRS inflator simulator from SRS simulator lead F. Do not disconnect the simulator lead from the dashboard wire harness 4P connector.
  18. Measure the resistance between the terminals of both SRS simulator leads. There should be 1 Ω or less.
    Fig 3: Measuring Resistance Between Terminals Of Both SRS Simulator Leads
    G05489558Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is the resistance as specified? 

    YES  -Faulty SRS unit or poor connection at SRS unit connector A (28P) and the SRS unit. Check the connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit (see SRS UNIT REPLACEMENT  ).

    NO  -Open in the dashboard wire harness; replace the dashboard wire harness.

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