Horn Switch: Testing and Inspection

Horn Switch Test

1. Remove the steering column covers. Steering Column Cover Removal and Installation

2. Disconnect the cable reel 20P connector (A) from the dashboard wire harness.

3. Using a jumper wire, connect dashboard wire harness 20P connector terminal No. 10 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. Testing and Inspection

- An open in the wire.





4. Reconnect the cable reel 20P connector (A) to the dashboard wire harness.

5. Remove the driver's airbag assembly, Drivers Airbag Replacement and disconnect the horn switch 1P positive terminal (B) from the cable reel (C).

6. Using a jumper wire, connect the horn switch 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.