Horn Switch Test (2010)
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
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 service.
- Remove the steering column covers (see GLOVE BOX STRIKER REPLACEMENT ).
- Disconnect the dashboard wire harness 20P connector (A) from the cable reel (B).
- Using a jumper wire, connect dashboard wire harness 20P connector terminal No. 1 to body ground. The horn should sound.
- If the horn sounds, go to step 4.
- If the horn does not sound, check these items:
- Battery terminal fuse box No. 3 (20 A) fuse.
- No. 24 (10 A) fuse in the under-dash fuse/relay box.
- ICU.
- Horn (see HORN TEST/REPLACEMENT ).
- An open in the wire.
- Reconnect the dashboard wire harness 20P connector (A) to the cable reel (B).
- 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.
- Using a jumper wire, connect cable reel subharness 20P connector terminal No. 11 to body ground. The horn should sound.
- If the horn sounds, go to step 7.
- If the horn does not sound, replace the cable reel (see CABLE REEL REPLACEMENT ).
- Using a jumper wire, connect the horn switch 1P positive terminal to body ground. The horn should sound.
- If the horn sounds, check the installation of the driver's airbag assembly and the steering wheel. If OK, replace the driver's airbag assembly.
- If the horn does not sound, repair an open in the wire.