Horn Switch: Testing and Inspection
Horn Switch Test1. Remove the steering column covers.
2. Disconnect the dashboard wire harness B 5P connector (A) from the cable reel (B).
3. Using a jumper wire, connect the dashboard wire harness B 5P connector (A) No. 1 terminal to body ground.
- If the horn sounds, go to step 4.
- If the horn doesn't sound, check these items:
- Horn relay.
- No. 7 (15 A) fuse in the under-hood fuse/relay box.
- Horn.
- An open in the wire.
4. Reconnect the dashboard wire harness B 5P connector (A), and disconnect the horn switch positive 1P connector (B).
5. Using a jumper wire, connect the horn switch positive 1P connector to ground.
- If the horn sounds, replace the horn switch plate.
- If the horn does not sound, replace the cable reel.