FixVault

HFL Switch Test

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the driver's airbag (see DRIVER'S AIRBAG REPLACEMENT ).
  2. Disconnect the 20P connector (A).
    Fig 1: Identifying 20P Connector Terminals
    G05488747Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Measure the resistance between the No. 8 and No. 9 terminals in each switch position according to the table.

    HFL Switch 

    HFL SWITCH POSITION

    Position Resistance
    No buttons pressed About 1 k Ω
    HFL TALK button pressed About 185 Ω
    HFL BACK button pressed About 45 Ω
  4. If the resistance is not as specified, replace the switch (see STEERING WHEEL DISASSEMBLY/REASSEMBLY ).