Honda HR-V Owners & Service Manuals

Honda HR-V: DTC B0028-11

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.

Supplemental Restraint System - Diagnostics

DTC (SRS)

1. Problem verification:

  1. Clear the DTCs with the HDS.

Clear DTCs

  1. Turn the vehicle to the ON mode, then wait for 10 seconds.
  2. Check for DTCs with the HDS.

Supplemental Restraint System - Diagnostics

Is DTC B0028-11 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 floor wire harness.

Supplemental Restraint System - Diagnostics

  1. Connect the terminals of SRS simulator lead L to the SRS inflator simulator (2 Ω connectors), then connect SRS simulator lead L to the front passenger's side airbag inflator 2P connector on the floor wire harness.
  2. Reconnect the negative cable to the 12 volt battery.
  3. Clear the DTCs with the HDS.

Clear DTCs

  1. Turn the vehicle to the ON mode, then wait for 10 seconds.
  2. Check for DTCs with the HDS.

Supplemental Restraint System - Diagnostics

Is DTC B0028-11 indicated?

YES

Go to step 3.

NO

Short to ground 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):

  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)

  1. 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 floor wire harness.
  2. Measure the resistance between test points 1 and 2.

Supplemental Restraint System - Diagnostics

Supplemental Restraint System - Diagnostics

Is there an open circuit?

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 floor wire harness.

NO

Short to ground in the floor wire harness; replace the floor wire harness, then clear the DTC.

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