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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 159 (Exterior Lighting System -- F250-F550 Super Duty) >> Diagnosis And Testing >> Headlamps >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • Both headlamps are inoperative
  • Central junction box (CJB) fuse 7 (30A)
  • Circuitry
  • Headlamp switch
  • Multifunction switch
  • CJB
  • The low beams are inoperative
  • Circuitry
  • Daytime running lamp (DRL) relay 1
  • Multifunction switch
  • CJB
  • The high beams are inoperative
  • CJB fuse 30 (15A)
  • Circuitry
  • Multifunction switch
  • CJB
  • One low beam headlamp is inoperative
  • CJB fuse 46 (10A) (RH headlamp)
  • CJB fuse 47 (10A) (LH headlamp)
  • Headlamp bulb
  • Circuitry
  • CJB
  • One high beam headlamp is inoperative
  • Headlamp bulb
  • Circuitry
  • REPAIR circuit 12 (LG/BK). TEST the system for normal operation.
  • The headlamps are on continuously
  • DRL relay 1
  • Circuitry
  • Headlamp switch
  • Multifunction switch
  • CJB
  • Vehicle security module
  • The high and low beam headlamp is inoperative on one side
  • Circuitry
  • REPAIR circuit 57 (BK). TEST the system for normal operation.
  • The flash-to-pass feature is inoperative
  • Multifunction switch
  • Circuitry