Symptom Chart

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The horn is inoperative	Fuse(s) Circuitry > Horn relay Horns Clockspring Horn switch Smart junction box (SJB)	GO to PINPOINT TEST A .
The horn is always on	Circuitry Horn relay Clockspring Horn switch Horn switch harness Smart junction box (SJB)	GO to PINPOINT TEST B .