Horn Switch Test

Remove the steering column upper and lower cover (see STEERING COLUMN REMOVAL AND INSTALLATION ).
Disconnect the dashboard wire harness B 4P connector (A) from the cable reel (B).

Fig 1: Disconnecting Dashboard Wire Harness B 4P Connector From Cable Reel
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between the cable reel No. 2 terminal and body ground in each switch position according to the table below.
- If there is continuity, the horn switch is OK.
- If there is no continuity, go to step 4.
  
  Fig 2: Identifying Terminal Table
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the driver's airbag (see DRIVER'S AIRBAG REPLACEMENT ).
Check for continuity between the cable reel No. 2 terminal (A) and the horn switch positive terminal (B).
- If there is no continuity, replace the cable reel (see CABLE REEL REPLACEMENT ) and check for proper operation.
- If there is continuity, replace the horn switch.
  
  Fig 3: Checking Continuity Between Cable Reel No. 2 Terminal & Horn Switch Positive Terminal
  Courtesy of AMERICAN HONDA MOTOR CO., INC.