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Home >> Acura >> 2021 >> ILX >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (SRS) - DTC Diagnostics (2 Of 3) (Except Hybrid) >> DTC Troubleshooting >> SRS DTC 11-8x, 11-Ax

SRS DTC 11-8x, 11-Ax

DTC 11-8x ("x" can be 0 thru 9 or A thru F)  : Short to Power in the Driver's Airbag First Inflator

DTC 11-Ax ("x" can be 0 thru 9 or A thru F)  : Short to Power in the Driver's Airbag Second Inflator

Special Tools Required 

SRS Inflator Simulator 07SAZ-TB4011A 

SRS Simulator Lead J 070AZ-SNAA100 

DTC Description DTC
   

DTC (SRS)

  1. Problem verification

    -1. Clear the DTCs with the HDS .

    -2. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.

    -3. Check for DTCs with the HDS .

    DTC Description DTC
       

    Is DTC 11-8x or 11-Ax indicated?

    YES 

    The failure is duplicated. Go to step 2.

    NO 

    Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures . If another DTC is indicated, troubleshoot the DTC.

  2. Driver's airbag inflator check

    -1. Press the engine start/stop button to select the OFF mode.

    -2. Disconnect the negative cable from the battery, then wait at least 3 minutes.

    -3. Remove the access panel (A) from the steering wheel, then disconnect the driver's airbag inflator 4P connector (B) on the cable reel harness.

    GHH475407Courtesy of HONDA, U.S.A., INC.

    -4. Connect the terminals of SRS simulator lead J to the SRS inflator simulator (2 Ω connectors), then connect SRS simulator lead J to the driver's airbag inflator 4P connector on the cable reel harness.

    -5. Reconnect the negative cable to the battery.

    -6. Clear the DTCs with the HDS .

    -7. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.

    -8. Check for DTCs with the HDS .

    DTC Description DTC
       

    Is DTC 11-8x or 11-Ax indicated?

    YES 

    Go to step 3.

    NO 

    Short to power in the driver's airbag first or second inflator; replace the driver's airbag , then clear the DTC.

  3. Cable reel check

    -1. Press the engine start/stop button to select the OFF mode.

    -2. Disconnect the negative cable from the battery, then wait at least 3 minutes.

    -3. Remove the column covers .

    -4. Disconnect cable reel connector B (4P) on the dashboard wire harness.

    GHH475408Courtesy of HONDA, U.S.A., INC.

    -5. Connect the terminals of SRS simulator lead J to the SRS inflator simulator (2 Ω connectors), then connect SRS simulator lead J to cable reel connector B (4P) on the dashboard wire harness.

    -6. Reconnect the negative cable to the battery.

    -7. Clear the DTCs with the HDS .

    -8. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.

    -9. Check for DTCs with the HDS .

    DTC Description DTC
       

    Is DTC 11-8x or 11-Ax indicated?

    YES 

    Go to step 4.

    NO 

    Short to power in the cable reel; replace the cable reel , then clear the DTC.

  4. Shorted wire check (LA1+, LA1-, LA2+, LA2- lines to power)

    -1. Press the engine start/stop button to select the OFF mode.

    -2. Disconnect the negative cable from the battery, then wait at least 3 minutes.

    -3. Disconnect the following connector.

    SRS unit connector A (39P)

    -4. Disconnect the SRS inflator simulator from SRS simulator lead J. Do not disconnect SRS simulator lead J from cable reel connector B (4P) on the dashboard wire harness.

    -5. Reconnect the negative cable to the battery.

    -6. Press the engine start/stop button to select the ON mode.

    -7. Measure the voltage between test points 1 and 2.

    Test condition ON mode
    Driver's airbag inflator 4P connector (on the cable reel harness): disconnected
    Cable reel connector B (4P) (on the dashboard wire harness): disconnected
    SRS unit connector A (39P): disconnected
    Cable reel connector B (4P) (on the dashboard wire harness): connected to SRS simulator lead J
    Test circuit LA1+, LA1-
    Test point 1 SRS simulator lead J black terminal
    Test point 2 Body ground
    Test circuit LA2+, LA2-
    Test point 1 SRS simulator lead J red terminal
    Test point 2 Body ground
    GHH475409Courtesy of HONDA, U.S.A., INC.

    Is there 0.2 V or less?

    YES 

    The LA1+, LA1-, LA2+, and LA2- wires are OK. Faulty SRS unit or poor connection at SRS unit connector A (39P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit . If the DTC does not clear, replace the dashboard wire harness.

    NO 

    Short to power in the dashboard wire harness; replace the dashboard wire harness, then clear the DTC.