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HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1656 (INTERIOR LIGHTING SYSTEM)DIAGNOSIS AND TESTINGINTERIOR LIGHTINGSYMPTOM CHART
2009 Mercury Milan Premier, 3.0 1, AWD

Symptom Chart

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Symptom Chart
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
  • The courtesy lamps flash on and off
  • The Smart Junction Box (SJB) is not configured correctly.
  • CONFIGURE the SJB  . REFER to GENERAL PROCEDURES . TEST the system for normal operation.
  • The courtesy lamps do not illuminate with a door open
  • Wiring, terminals or connectors
  • Door ajar switch (integrated into the door latch)
  • Instrument panel dimmer switch
  • SJB 
  • The courtesy lamps do not illuminate when using the Remote Keyless Entry (RKE) transmitter
  • Wiring, terminals or connectors
  • SJB 
  • OPEN a door and OBSERVE the courtesy lamps.
    • If the courtesy lamps do not turn on with a door open, GO to PINPOINT TEST A .
    • If the courtesy lamps turn on with a door open, INSTALL a new SJB  . REFER to SMART JUNCTION BOX (SJB) . TEST the system for normal operation.
  • The courtesy lamps do not illuminate with the liftgate or liftgate window open
  • Wiring, terminals or connectors
  • Liftgate ajar switch (integrated into the liftgate latch)
  • Liftgate window ajar switch (integrated into the liftgate window latch)
  • SJB 
  • The courtesy lamps do not illuminate from the instrument panel dimmer switch
  • Wiring, terminals or connectors
  • Instrument panel dimmer switch
  • SJB 
  • The dome defeat feature is inoperative
  • Wiring, terminals or connectors
  • Instrument panel dimmer switch
  • SJB 
  • The interior courtesy lamp (s) are inoperative
  • Fuse
  • Wiring, terminals or connectors
  • Lamp assembly
  • SJB 
  • All the courtesy lamps stay on continuously
  • Wiring, terminals or connectors
  • Instrument panel dimmer switch
  • Liftgate ajar switch (integrated into the liftgate latch)
  • Liftgate window ajar switch (integrated into the liftgate window latch)
  • Door ajar switch (integrated into the door latch)
  • SJB 
  • All the demand lamps are inoperative
  • Fuse
  • Wiring, terminals or connectors
  • SJB 
  • An individual demand lamp is inoperative
  • Wiring, terminals or connectors
  • Sun visor
  • Interior lamp
  • The battery saver does not deactivate after time-out
  • Wiring, terminals or connectors
  • SJB 
  • The ambient lighting is inoperative
  • Wiring, terminals or connectors
  • Ambient lighting harness
  • Ambient lighting switch
  • Ambient lighting module
  • An individual ambient lamp is inoperative/does not display all colors
  • Ambient lighting harness
  • INSTALL a new ambient lighting harness in question. TEST the system for normal operation.
  • The ambient lighting does not display all colors
  • Wiring, terminals or connectors
  • Ambient lighting harness
  • Ambient lighting switch
  • Ambient lighting module
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.