Horn Sounds Without Driver Activation (Reroute Horn Lead)

Some customers may comment that the horn sounds even though the horn pad was not pressed.

The horn lead may be pinched under the steering wheel module attaching post.

Technicians are to secure the horn lead to the ground wire on the steering wheel module using the following procedure:

1. Disable the SIR system using the SIR Disabling and Enabling procedure in SI.
2. Remove the steering wheel module using the Inflatable Restraint Steering Wheel Module Replacement procedure in SI.



3. Remove the nut that attaches the black ground lead to the back of the steering wheel module.
4. Repair the horn lead wire if it has been pinched. Use the wiring repair procedures in SI.
5. Secure the red horn lead to the black ground lead using electrical tape.
6. Reinstall the ground lead on the back of the steering wheel module. Tighten the nut on the ground lead securely. Make sure the wires are routed away from the attaching post on the back of the steering wheel module.
7. Reinstall the steering wheel module using the Inflatable Restraint Steering Wheel Module Replacement procedure in SI.
8. Enable the SIR system using the SIR Disabling and Enabling procedure in SI.

For vehicles repaired under warranty, use: