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Horn Switch Test

NOTE: SRS components are located in this area. Review the SRS component locations (see COMPONENT LOCATION INDEX)
, and the precautions and procedures (see PRECAUTIONS AND PROCEDURES
) before doing repairs or servicing.
  1. Remove the steering column covers (see REMOVAL ).
  2. Disconnect the cable reel connector A (13P) (A) from the cable reel (B).
    Fig 1: Identifying Dashboard Wire Harness 13P Connector Terminals
    G00507579Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Using a jumper wire, connect the cable reel connector A (13P) terminal No. 1 to body ground. The horns should sound.
    • If the horns sound, Go to step 4.
    • If the horns do not sound, check these items:
      • No. 13 (20 A) fuse in the under-hood fuse/relay box.
      • Horn (see CIRCUIT DIAGRAM ).
      • Relay control module in the under-hood fuse/relay box.
      • An open or high resistance in the wire.
    Fig 2: Connecting Dashboard Wire Harness 13P Connector Terminal No. 1 To Body Ground With Jumper Wire
    G05968686Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Reconnect the cable reel connector A (13P) (A) to the cable reel (B).
    Fig 3: Identifying Dashboard Wire Harness 13P Connector, Cable Reel And Horn Switch 1P Positive Terminal
    G05968687Courtesy 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 (C) from the driver's airbag.
  6. Check for continuity between the cable reel connector A (13P) terminal No. 1 and the cable reel connector B (13P) terminal No. 1.
    • If there is continuity, Go to step 7.
    • If there is no continuity, replace the cable reel (see CABLE REEL REPLACEMENT ).
    Fig 4: Checking Continuity Between Dashboard Wire Harness 13P And Cable Reel Subharness 13P Connector Terminal
    G05968688Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Check for continuity between the cable reel connector B (13P) terminal No. 1 and the horn switch 1P positive terminal.
    • If there is continuity, check the installation of the driver's airbag assembly and the steering wheel. If OK, replace the driver's airbag assembly.
    • If there is no continuity, repair an open in the wire.
    Fig 5: Checking Continuity Between Cable Reel Subharness 13P And Horn Switch 1P Positive Connector Terminal
    G05968689Courtesy of AMERICAN HONDA MOTOR CO., INC.
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