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Home >> Ford >> 2003 >> Excursion 6.0 P, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 268 (Interior Lighting System) >> Diagnosis And Testing >> Interior Lighting >> Symptom Chart
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Symptom Chart

WARNING: This page is about a different car, the 2003 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
No communication with the generic electronic module (GEM)
  • Central junction box (CJB) fuse 27 (10A).
  • Circuitry.
  • GEM.
 REFER to MULTIFUNCTION ELECTRONIC MODULE .
The interior lamps are inoperative
  • Circuitry.
  • Dome/cargo lamp.
  • GEM.
 Go To PINPOINT TEST A  .
The interior lamps stay on continuously-do not fade out
  • Circuit.
  • Map/dome lamp switch.
  • GEM.
 Go To PINPOINT TEST A  .
The interior lamps do not turn on with one door open
  • Circuit.
  • Door/liftgate ajar switch.
  • GEM.
 Go To PINPOINT TEST C  .
The illuminated entry is inoperative when using the remote transmitter
  • Remote transmitter.
  • GEM.
 Go To PINPOINT TEST D  .
The demand lighting is inoperative
  • Circuitry.
  • Dome/map lamp.
  • GEM.
 Go To PINPOINT TEST E  .
An individual interior lamp is inoperative
  • Power supply.
  • Ground.
  • Bulb.
 REPAIR as necessary.
An individual demand lamp is inoperative
  • Power supply.
  • Ground.
  • Bulb.
 REPAIR as necessary.
Battery voltage out of range
  • Circuitry.
  • GEM.
  • Charging system.
 Go To PINPOINT TEST F  .
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