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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1632 (Horn System) >> Diagnostic Tests >> Horn >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Sable, 2009 Ford Taurus X, and 2009 Ford Taurus. 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
  • Wiring, terminals or connectors
  • Steering wheel switch harness
  • Horn
  • Clockspring
  • Horn switch (part of the steering wheel)
  • Smart junction box (SJB)
  • The horn is always on
  • Wiring, terminals or connectors
  • Steering wheel switch harness
  • Clockspring
  • Horn switch (part of the steering wheel)
  • SJB