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Symptom Chart

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

Condition Possible Sources Action
  • No communication with the front electronics module
  • BJB Fuse 2 (10A), 23 (15A).
  • Circuitry.
  • FEM.
  • No communication with the rear electronics module
  • CJB Fuse 8 (20A), 16 (10A).
  • Circuitry.
  • REM.
  • No communication with the instrument cluster
  • CJB Fuse 14 (10A), 28 (10A), and 9 (10A).
  • Circuitry.
  • Instrument cluster.
  • The courtesy lamps are inoperative - all overhead dome, map, reading, and stepwell, puddle lamps
  • CJB Fuse 1 (10A).
  • The courtesy lamps are inoperative - stepwell and puddle lamps
  • CJB Fuse 1 (10A).
  • Circuitry.
  • FEM.
  • The courtesy lamps are inoperative - dome/map lamps
  • CJB Fuse 1 (10A).
  • Bulb(s).
  • Circuitry.
  • REM.
  • The an individual courtesy lamp is inoperative - all overhead dome, map, reading, and cargo lamps
  • Bulb(s).
  • Circuitry.
  • The an individual courtesy lamp is inoperative - stepwell/puddle
  • Bulb(s).
  • Circuitry.
  • The courtesy lamps stay on continuously - all overhead dome, map, reading, and stepwell, puddle lamps
  • Ajar switch(es).
  • Circuitry.
  • FEM.
  • REM.
  • The courtesy lamps stay on continuously - all overhead dome, map and reading lamps
  • Circuitry.
  • REM.
  • The courtesy lamps stay on continuously - all stepwell/puddle lamps
  • Circuitry.
  • FEM.
  • The courtesy lamps do not turn on with one door open - LF
  • Ajar switch.
  • Circuitry.
  • FEM.
  • The courtesy lamps do not turn on with one door open - RF
  • Ajar switch.
  • Circuitry.
  • FEM.
  • The courtesy lamps do not turn on with one door open - liftgate
  • Ajar switch.
  • Circuitry.
  • REM.
  • The courtesy lamps do not turn on with one door open - right sliding door
  • Ajar switch.
  • Circuitry.
  • REM.
  • The courtesy lamps do not turn on with one door open - left sliding door
  • Ajar switch.
  • Circuitry.
  • REM.
  • The demand lighting is inoperative - all overhead demand dome, map and reading lamps
  • Circuitry.
  • An individual demand lighting lamp is inoperative - all overhead dome, map, reading, cargo lamps
  • Bulb.
  • Circuitry.
  • Switch.
  • The courtesy lamps do not turn on with multiple doors ajar - right and left doors
  • FEM.
  • Ajar switches.
  • The courtesy lamps do not turn on with multiple doors ajar - RR and LR sliding doors and liftgate
  • REM.
  • Ajar switches.
  • The courtesy lamps are inoperative - from the dimmer switch
  • Circuitry.
  • Dimmer switch.
  • Instrument cluster.
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