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Home >> Ford >> 2002 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Exterior Lighting System >> Diagnosis And Testing >> Autolamps >> Symptom Chart >> Symptom Chart

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • No communication with the lighting control module (LCM)
  • Central junction box (CJB) fuses:
    • 21 (15A).
    • 23 (15A).
  • Circuitry.
  • J1850 communication network.
  • LCM.
  • No communication with the LCM - unable to enter self-test
  • CJB fuses:
    • 15 (15A).
    • 6 (15A).
  • Circuitry.
  • LCM.
  • The autolamps are inoperative - the autolamps are always on
  • CJB fuse 21 (15A).
  • Circuitry.
  • Autolamp switch (part of the headlamp switch).
  • Light sensor amplifier.
  • LCM.
  • The autolamps time delay is inoperative
  • Circuitry.
  • Autolamp switch (part of the headlamp switch).
  • LCM.
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