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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System >> Diagnosis And Testing >> Fog Lamps >> Symptom Chart

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • The fog lamps are inoperative
  • Fuse
  • Circuitry
  • High beam relay
  • Headlamp switch
  • The individual fog lamp is inoperative
  • Circuitry
  • MEASURE the resistance between the LH fog lamp C152-1 (early build) or C152-2 (late build), circuit 31-LD11 (BK), harness side and ground; or between the RH fog lamp C162-B (early build) or 162-2 (late build), circuit 31-LD17 (BK), harness side and ground.
    • If the resistance is less than 5 ohms, REPAIR circuit 15S-LD11 (GN/WH) (LH fog lamp) or circuit 15S-LD17 (GN/WH) (RH fog lamp). TEST the system for normal operation.
    • If the resistance is not less than 5 ohms, REPAIR circuit 31-LD11 (BK) (LH fog lamp) or circuit 31-LD17 (BK) (RH fog lamp). TEST the system for normal operation.
  • The fog lamps are on continuously
  • Circuitry
  • Headlamp switch
  • DISCONNECT the headlamp switch C205.
    • If the fog lamps continue to illuminate, REPAIR the fog lamp voltage supply circuit. TEST the system for normal operation.
    • If the fog lamps do not continue to illuminate, INSTALL a new headlamp switch. REFER to HEADLAMP SWITCH  in this article. TEST the system for normal operation.
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