DTC B0001-13: Open Or Increased Resistance In The Driver's Airbag First Inflator (2014 2015)

NOTE: 

• BEFORE DOING THIS TROUBLESHOOTING PROCEDURE, FIND OUT IF THE VEHICLE WAS IN A COLLISION. IF SO, VERIFY THAT ALL THE REQUIRED COMPONENTS WERE REPLACED WITH NEW COMPONENTS, OF THE CORRECT PART NUMBER, AND THAT THEY WERE PROPERLY INSTALLED .
• Before doing this troubleshooting procedure, review SRS PRECAUTIONS AND PROCEDURES , GENERAL TROUBLESHOOTING INFORMATION , and 12 VOLT BATTERY TERMINAL DISCONNECTION AND RECONNECTION .
• Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, UPDATE THE SRS UNIT SOFTWARE , and retest.

DTC (SRS)

1. Problem verification

   - 1. Clear the DTCs with the HDS.

   - 2. Turn the vehicle to the ON mode, then wait for 10 seconds.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   B0001-13: Open or increased resistance in the driver's airbag first inflator

   Is DTC B0001-13 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. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

   - 3. Remove the driver's airbag.

   - 4. Disconnect the driver's airbag first inflator 2P connector (A) on the cable reel harness.

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

   - 5. Connect terminals A and B with a jumper wire.

   Terminal A	Driver's airbag first inflator 2P connector No. 1 (on the cable reel harness)
   Terminal B	Driver's airbag first inflator 2P connector No. 2 (on the cable reel harness)

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

   - 6. Reconnect the negative cable to the 12 volt battery.

   - 7. Clear the DTCs with the HDS.

   - 8. Turn the vehicle to the ON mode, then wait for 10 seconds.

   - 9. Check for DTCs with the HDS.

   DTC Description	DTC
   B0001-13: Open or increased resistance in the driver's airbag first inflator

   Is DTC B0001-13 indicated?

   YES 

   Go to step 3.

   NO 

   Faulty driver's airbag first inflator; REPLACE THE DRIVER'S AIRBAG , then clear the DTC.

3. Cable reel check

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

   - 3. Remove the jumper wire from the driver's airbag first inflator 2P connector on the cable reel harness.

   - 4. Remove the column covers.

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

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

   - 6. Connect terminals A and B with a jumper wire.

   Terminal A	Cable reel connector B (4P) No. 1 (on the dashboard wire harness)
   Terminal B	Cable reel connector B (4P) No. 2 (on the dashboard wire harness)

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

   - 7. Reconnect the negative cable to the 12 volt battery.

   - 8. Clear the DTCs with the HDS.

   - 9. Turn the vehicle to the ON mode, then wait for 10 seconds.

   - 10.CHECK FOR DTCS WITH THE HDS .

   DTC Description	DTC
   B0001-13: Open or increased resistance in the driver's airbag first inflator

   Is DTC B0001-13 indicated?

   YES 

   Go to step 4.

   NO 

   Open in the cable reel; REPLACE THE CABLE REEL , then clear the DTC.

4. Open wire check (LA1+, LA1- lines)

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

   - 3. Remove the jumper wire from cable reel connector B (4P) on the dashboard wire harness.

   - 4. Disconnect the following connector.

   SRS UNIT CONNECTOR A (39P)

   - 5. Connect terminals A and B with a jumper wire.

   Terminal A	SRS unit connector A (39P) No. 8
   Terminal B	SRS unit connector A (39P) No. 9

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

   - 6. Measure the resistance between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's airbag first inflator 2P connector (on the cable reel harness): disconnected
   	Cable reel connector B (4P) (on the dashboard wire harness): disconnected
   	SRS unit connector A (39P): disconnected
   	SRS unit connector A (39P) terminals No. 8 and No. 9: jumped
   Test circuit	LA1+, LA1-
   Test point 1	Cable reel connector B (4P) No. 1 (on the dashboard wire harness)

   Test point 2

   Cable reel connector B (4P) No. 2 (on the dashboard wire harness)

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

   Is there 1.0 Ω or less?

   YES 

   The LA1+ and LA1- 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 

   Open in the dashboard wire harness; replace the dashboard wire harness, then clear the DTC.