Horn Switch Test

Horn Switch Test

1. Remove the steering column covers.
2. Disconnect the dashboard wire harness 20P connector (A) from the cable reel.






3. Using a jumper wire, connect the No. 4 terminal of the dashboard wire harness 20P connector to body ground.

- If the horns sound, go to step 4.
- If the horns don't sound, check these items:
- No. 13 (20 A) fuse in the under-hood fuse/relay box.
- Relay control module in the under-hood fuse/relay box.
- Horns.
- An open in the wire.

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






5. Remove the driver's airbag assembly, and disconnect the horn switch 1P positive terminal from the driver's airbag assembly.
6. Using a jumper wire, connect the cable reel side 1P connector (B) to body ground.

- If the horns sound, replace the driver's airbag assembly.
- If the horns do not sound, check these items:
- Cable reel.
- An open in the wire (cable reel subharness).