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Home >> Ford >> 2003 >> Expedition 5.4 L, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Interior Lighting) >> Diagnosis And Testing >> Interior Lighting >> Symptom Chart >> Notes
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Symptom Chart: Notes

WARNING: This page is about a different car, the 2003 Lincoln LS. 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 front electronic module (FEM)
  • BJB fuse 25 (40A)
  • CJB fuse 20 (10A)
  • Circuitry.
  • FEM.
 REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the rear electronic module (REM)
  • BJB fuse 25 (40A)
  • CJB fuse 20 (10A)
  • Circuitry.
  • REM.
 REFER to MODULE COMMUNICATIONS NETWORK .
The interior lamps are inoperative
  • BJB fuses:
    • 5 (10A).
    • 4 (10A).
  • CJB.
  • Circuits.
  • FEM.
 Go To PINPOINT TEST A  .
The interior lamps do not turn on with one door open
  • BJB.
  • Auxiliary junction box.
  • Lamps.
  • Switch(es).
  • Circuitry.
 Go To PINPOINT TEST B  .
The interior lamps stay on continuously
  • Door ajar switches.
  • Auxiliary junction box.
  • Circuits.
  • Map/rear dome lamp switches.
  • FEM.
  • REM.
 Go To PINPOINT TEST C  .
The glove compartment, LH and RH map lamps, LH and RH vanity mirror lamps or LH and RH grab handle lamps are inoperative
  • Circuitry.
  • Lamps.
  • Switches.
 Go To PINPOINT TEST D  .
The interior lamps stay on continuously - luggage compartment lamp only
  • Circuitry.
  • Luggage compartment lid ajar switch.
  • Circuitry.
  • REM.
 Go To PINPOINT TEST E  .
The luggage compartment lid lamp is inoperative
  • Circuitry.
  • Lamp.
  • Luggage compartment lid ajar switch.
  • REM
 Go To PINPOINT TEST F  .
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