Horn Switch: Testing and Inspection

Horn Switch Test

NOTE:

- SRS components are located in this area. Review the SRS component locations 4-door SRS Component Location Index (4-Door), 2-door SRS Component Location Index (2-Door), and precautions and procedures Service and Repair before doing repairs or servicing.
- Check for blown No. 10 (20 A) fuse in the under-hood fuse/relay box. If it is blown, check for a faulty horn relay.

1. Turn the steering wheel 180 degrees from the center position and remove the cover (A).





2. Disconnect the horn switch 2P connector (B).

3. Connect horn switch 2P connector terminals No. 1 and No. 2 with a jumper wire. The horns should sound.

- If the horns sound, check or adjust the installation of the driver's airbag assembly and the horn switch plate.
- If the horns do not sound, go to step 4.

4. Remove the jumper wire from the horn switch 2P connector.

5. Remove the steering column covers Service and Repair.

6. Remove the driver's airbag assembly Driver's Airbag Replacement.

7. Connect cable reel connector C (20P) (A) terminals No. 11 and No. 12 with a jumper wire. The horns should sound.

- If the horns sound, replace the cable reel subharness.
- If the horns do not sound, go to step 8.





8. Disconnect cable reel connector A (20P) (A).





9. Connect cable reel connector A (20P) connector terminals No. 1 and No. 2 with a jumper wire. The horns should sound.

- If the horns sound, replace the cable reel Service and Repair.
- If the horns do not sound, repair an open in terminal No. 2 or No. 1 wire, or a faulty driver's MICU; replace the driver's under-dash fuse/relay box, USA models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (USA models), Canada models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (Canada models).