DTC B0028-12: Short To Power In The Front Passenger's Side Airbag Inflator (2014 2015)

Special Tools Required 

SRS Inflator Simulator 07SAZ-TB4011A 

SRS Simulator Lead L 070AZ-SNAA300 

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
   B0028-12: Short to power in the front passenger's side airbag inflator

   Is DTC B0028-12 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. Front passenger's side 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. Disconnect the front passenger's side airbag inflator 2P connector (A) on the right side wire harness.

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

   - 4. Connect the terminals of SRS simulator lead L to the SRS inflator simulator (2 ' connectors), then connect SRS simulator lead L to the front passenger's side airbag inflator 2P connector on the right side wire harness.

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

   - 6. Clear the DTCs with the HDS.

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

   - 8. Check for DTCs with the HDS.

   DTC Description	DTC
   B0028-12: Short to power in the front passenger's side airbag inflator

   Is DTC B0028-12 indicated?

   YES 

   Go to step 3.

   NO 

   Short to power in the front passenger's side airbag inflator; REPLACE THE FRONT PASSENGER'S SIDE AIRBAG , then clear the DTC.

3. Shorted wire check (RSA+, RSA- lines to power)

   - 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. Disconnect the following connector.

   SRS UNIT CONNECTOR B (39P)

   - 4. Disconnect the SRS inflator simulator from SRS simulator lead L. Do not disconnect SRS simulator lead L from the front passenger's side airbag inflator 2P connector on the right side wire harness.

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

   - 6. Turn the vehicle to the ON mode.

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

   Test condition	Vehicle ON mode
   	Front passenger's side airbag inflator 2P connector (on the right side wire harness): disconnected
   	SRS unit connector B (39P): disconnected
   	Front passenger's side airbag inflator 2P connector (on the right side wire harness): connected to SRS simulator lead L
   Test circuit	RSA+, RSA-
   Test point 1	SRS simulator lead L black terminal
   Test point 2	Body ground

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

   Is there 0.2 V or less?

   YES 

   The RSA+ and RSA- wires are OK. Faulty SRS unit or poor connection at SRS unit connector B (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 right side wire harness.

   NO 

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