Horn Switch: Testing and Inspection

Horn Switch Test

1. Remove the steering column covers. Service and Repair

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

3. Using a jumper wire, connect terminal No. 1 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. 12 (15 A) fuse in the under-hood fuse/relay box.

- MICU

- Horns

- 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, Driver's Airbag Replacement and disconnect the horn switch 1P terminal (B) from the cable reel (C).

6. Using a jumper wire, connect the cable reel side 1P connector (C) 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).