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Horn Switch Test

  1. Remove the steering column covers (see COLUMN COVER REMOVAL AND INSTALLATION ).
  2. Disconnect the cable reel 20P connector (A) from the dashboard wire harness.
    Fig 1: Identifying Cable Reel 20P Connector
    G06269298Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Using a jumper wire, connect the No. 10 terminal of the dashboard wire harness 20P connector to body ground. The horn should sound.
    • If the horn sounds, go to step 4.
    • If the horn does not sound, check these items:
      • No. 12 (15 A) fuse in the under-hood fuse/relay box.
      • MICU.
      • Horn.
      • An open in the wire.
  4. Reconnect the cable reel 20P connector (A) to the dashboard wire harness.
    Fig 2: Identifying Cable Reel 20P Connector And Horn Switch 1P Positive Terminal
    G06269299Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the driver's airbag assembly (see DRIVER'S AIRBAG REPLACEMENT ), and disconnect the horn switch 1P positive terminal (B) from the cable reel (C).
  6. Using a jumper wire, connect the 1P connector to body ground.
    • If the horn sounds, replace the driver's airbag assembly.
    • If the horn does not sound, check these items:
      • Cable reel.
      • An open in the wire.