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Home >> Lincoln >> 2009 >> Navigator RWD >> Repair and Diagnosis >> Electrical >> Gauges >> Information Center - Instrumentation, Message Center, & Warning Chimes >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Symptom Charts

Symptom Charts

SYMPTOM CHART - INSTRUMENT CLUSTER (IC)

Condition Possible Sources Action
  • No communication with the Instrument Cluster (IC)
  • Fuse(s)
  • Wiring, terminals or connectors
  • IC 
  • The IC  is inoperative
  • Fuse(s)
  • Wiring, terminals or connectors
  • IC 
  • The integrated circuit display is inoperative
  • IC 
  • VERIFY that the IC  functions correctly and that the odometer, message center (if equipped), and message center indicators are all inoperative and the display segments are all blank.
    • If the IC  is inoperative, Go To PINPOINT TEST A .
    • If the odometer, message center, message center indicators and the display segments are all blank, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) .
  • Incorrect fuel gauge indication
  • Wiring, terminals or connectors
  • Fuel level sender (float and card)
  • Fuel pump module
  • Fuel tank
  • IC 
  • Incorrect voltage gauge indication
  • Charging system concern
  • IC 
  • Incorrect oil pressure gauge indication
  • Wiring, terminals or connectors
  • Engine oil pressure switch
  • Base engine concern
  • IC 
  • Incorrect temperature gauge indication
  • PCM
  • IC 
  • The speedometer is inoperative
  • PCM concern
  • ABS concern
  • PCM
  • IC 
  • The speedometer is inaccurate
  • Tire size configuration
  • Axle ratio configuration
  • PCM concern
  • IC 
  • The odometer is inoperative
  • IC 
  • The tachometer is inoperative
  • IC 
  • Inaccurate tachometer indication
  • PCM
  • IC 
  • The safety belt warning indicator is never/always on
  • Restraints Control Module (RCM)
  • IC 
  • The air bag warning indicator is never/always on
  • RCM 
  • IC 
  • The Tire Pressure Monitoring System (TPMS) warning indicator is never/always on
  • TPMS  concern
  • Smart Junction Box (SJB)
  • IC 
  • The LH/RH turn or high beam indicator is never/always on
  • Turn signal concern
  • High beam concern
  • SJB
  • IC 
  • The brake warning indicator is never on
  • Wiring, terminals or connectors
  • Brake fluid level switch (part of the master cylinder)
  • Parking brake switch
  • Smart Junction Box (SJB)
  • IC 
  • The brake warning indicator is always on
  • Wiring, terminals or connectors
  • Parking brake switch
  • Brake fluid level switch (part of the master cylinder)
  • ABS module
  • SJB 
  • IC 
  • The ABS warning indicator is never/always on
  • ABS module
  • IC 
  • The traction assist indicator is never/always on
  • ABS module
  • IC 
  • The Malfunction Indicator Lamp (MIL) is never/always on
  • PCM
  • IC 
  • The speed control indicator is never/always on
  • PCM
  • IC 
  • The PRNDL indicator is never/always on (if equipped)
  • Wiring, terminals or connectors
  • Brake shift interlock
  • IC 
  • The anti-theft indicator is never/always on
  • IC 
  • The charge message center warning indicator is never/always on
  • Charging system concern
  • IC 
  • The powertrain malfunction (wrench) message center indicator is never/always on
  • Electronic Throttle Control (ETC) concern
  • Transmission concern
  • Four-Wheel Drive (4WD) concern (if equipped)
  • IC 
  • The low oil pressure message center warning indicator is never/always on
  • Wiring, terminals or connectors
  • Engine oil pressure switch
  • Base engine concern
  • IC 
  • The engine over-temperature message center warning indicator is never/always on
  • PCM
  • IC 
  • The low fuel message center indicator is never/always on (if equipped)
  • IC 
  • The low washer fluid message center indicator is never/always on (if equipped)
  • Wiring, terminals or connectors
  • Washer fluid level switch
  • IC 
  • The tow haul message center indicator is never/always on
  • Transmission Control Module (TCM)
  • IC 
  • The 4X4, 4X4 LOW or 4X4 AUTO message center indicator is never/always on (if equipped)
  • 4X4 control module
  • IC 
  • The door ajar message center indicator is never/always on
  • SJB 
  • IC 
SYMPTOM CHART - INFORMATION AND MESSAGE CENTER

Condition Possible Sources Action
  • The message center display is blank
  • Message center display setting
  • IC 
  • PRESS the INFO button on the message center to make sure the display is not set to a blank display.
    • If the message center display turns on, the system is operating normally at this time. The message center display was set to a blank display.
    • If the message center display is still blank, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • Not all segments of the display illuminate
  • IC 
  • The message center is not operating correctly
  • Wiring, terminals or connectors
  • Message center switch
  • IC 
  • If equipped with a message center cluster, Go To PINPOINT TEST AF .
  • If equipped with a base cluster, VERIFY that the IC  is operating correctly.
    • If the IC  is not operating correctly, Go To PINPOINT TEST A .
    • If the IC  operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The compass is inoperative
  • Fuse
  • Wiring, terminals or connectors
  • Auto-dimming interior mirror
  • The compass is inaccurate
  • Zone setting
  • Calibration
  • Auto-dimming interior mirror
  • The outside air temperature sensor does not operate correctly
  • Wiring, terminals or connectors
  • Outside air temperature sensor
  • IC 
  • The CHECK FUEL FILL INLET message is inoperative/always on
  • Evaporative emission system concern
  • PCM
  • IC 
  • The Distance To Empty (DTE)/average/instantaneous fuel economy display is inoperative
  • IC 
  • CHECK the operation of the speedometer, the fuel gauge and the odometer.
    • If the speedometer, the fuel gauge or the odometer do not operate correctly, Go To PINPOINT TEST F  (speedometer), Go To PINPOINT TEST B  (fuel gauge) or Go To PINPOINT TEST H  (odometer).
    • If the speedometer, the fuel gauge and the odometer operate correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The PARKING AID ON/OFF message is inoperative
  • IC  configuration
  • Parking aid system
  • IC 
  • The XXX MILES/KM TO E FUEL LOW message is inoperative
  • Fuel gauge
  • IC 
    NOTE: The miles to empty warning only displays at 80 km (50 miles) to empty which is equal to approximately 3-5 gallons of fuel remaining. This is a learned strategy based on fuel economy and changes from its default setting.
  • VERIFY that the fuel gauge operates correctly and that there is less than approximately 3 gallons of fuel in the tank.
    • If the fuel gauge does not operate correctly, Go To PINPOINT TEST B .
    • If the fuel gauge operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The CHECK BRAKE SYSTEM, CHECK PARK BRAKE, PARK BRAKE ENGAGED, or BRAKE FLUID LEVEL LOW warning is inoperative
  • Parking brake switch
  • Brake fluid level switch
  • SJB 
  • IC 
  • OBSERVE the brake warning indicator.
    • If the brake warning indicator does not operate correctly, Go To PINPOINT TEST O .
    • If the brake warning indicator operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The WASHER FLUID LEVEL LOW message is inoperative
  • Wiring, terminals or connectors
  • Washer fluid level switch
  • IC 
  • OBSERVE the low washer fluid level message center indicator.
    • If the low washer fluid level message center indicator does not operate correctly, Go To PINPOINT TEST AB .
    • If the low washer fluid level message center indicator operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The ENGINE OIL/CHANGE SOON or OIL CHANGE REQUIRED message is inoperative
  • IC 
  • The CHECK AIR SUSPENSION SYSTEM or AIR SUSPENSION OFF message is inoperative (if equipped)
  • IC  configuration
  • Air suspension system
  • Vehicle Dynamics Module (VDM)
  • IC 
  • The DRIVER DOOR, PASSENGER DOOR, REAR LEFT DOOR, REAR RIGHT DOOR or LIFTGATE/GLASS AJAR warning is inoperative
  • Interior lamps
  • SJB 
  • OPEN and CLOSE each door, liftgate and liftgate glass and VERIFY that the interior lamps operate correctly.
    • If the interior lamps do not operate correctly from each door, liftgate and liftgate glass, REFER to INTERIOR LIGHTING .
  • IC 
  • VERIFY that the door ajar message center indicator operates correctly.
    • If the door ajar message center indicator does not operate correctly, Go To PINPOINT TEST AE .
    • If the door ajar message center indicator operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The CHECK CHARGING SYSTEM warning is inoperative
  • IC 
  • VERIFY that the charge message center indicator operates correctly.
    • If the charge message center indicator does not operate correctly, Go To PINPOINT TEST W .
    • If the charge message center indicator operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The TIRE PRESSURE SENSOR FAULT, LOW TIRE PRESSURE or TIRE PRESSURE MONITOR FAULT warning is inoperative (if equipped)
  • IC 
  • VERIFY that the TPMS  warning indicator operates correctly.
    • If the TPMS  warning indicator does not operate correctly, Go To PINPOINT TEST M .
    • If the TPMS  warning indicator operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The 4X4 SHIFT IN PROGRESS message is inoperative
  • IC  configuration
  • 4WD  system
  • 4X4 control module
  • IC 
SYMPTOM CHART - WARNING CHIMES

Condition Possible Sources Action
  • All chimes are inoperative
  • IC 
  • The chime sounds when the driver door is ajar (no key in ignition and headlamps off)
  • Wiring, terminals or connectors
  • Ignition switch
  • SJB 
  • The air bag warning chime is inoperative
  • IC 
  • RCM 
  • VERIFY DTC B1868 is present in the IC  .
    • If DTC B1868 is not present, the system is operating normally.
    • If DTC B1868 is present, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The key-in-ignition warning chime is inoperative
  • Wiring, terminals or connectors
  • Key-in-ignition switch (part of the ignition switch)
  • SJB 
  • The turn signal left on warning chime is inoperative
  • IC 
  • VERIFY the turn signal indicators and speedometer operate correctly.
    • If the turn signal indicators or speedometer do not operate correctly, Go To PINPOINT TEST N  (LH/RH turn indicators) or Go To PINPOINT TEST F  (speedometer).
    • If the turn signal indicators and speedometer operate correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The door ajar warning chime is inoperative
  • IC 
  • VERIFY the door ajar message center indicator operates correctly.
    • If the door ajar message center indicator does not operate correctly, Go To PINPOINT TEST AE .
    • If the door ajar message center indicator operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The turn signal tick-tock chime is inoperative
  • IC 
  • VERIFY the turn signal indicators operate correctly.
    • If the turn signal indicators do not operate correctly, Go To PINPOINT TEST N .
    • If the turn signal indicators operate correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The headlamps on warning chime is inoperative
  • Door ajar indication concern
  • Headlamp concern
  • SJB 
  • The message center warning chime is inoperative
  • IC 
  • VERIFY the message center operates correctly.
    • If the message center does not operate correctly, Go To PINPOINT TEST AF .
    • If the message center operates correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The parking brake on warning chime is inoperative
  • IC 
  • VERIFY the brake warning indicator and the speedometer operate correctly.
    • If the brake warning indicator and the speedometer do not operate correctly, Go To PINPOINT TEST O  (brake warning indicator) or Go To PINPOINT TEST F  (speedometer).
    • If the brake warning indicator and the speedometer operate correctly, INSTALL a new IC  . REFER to INSTRUMENT CLUSTER (IC) . TEST the system for normal operation.
  • The perimeter alarm warning chime is inoperative
  • Perimeter alarm concern
  • IC 
  • VERIFY the key-in-ignition warning chime functions correctly.
    • If the key-in-ignition warning chime does not function correctly, Go To PINPOINT TEST AO .
    • If the key-in-ignition warning chimes functions correctly, REFER to ANTI-THEFT - PERIMETER to diagnose the perimeter alarm.
  • The safety belt warning chime is inoperative
  • Safety belt warning indication concern
  • Speedometer concern
  • IC 
  • The Belt-Minder® feature is not operating correctly
  • Belt-Minder® deactivated
  • Safety belt warning indication concern
  • Speedometer concern
  • RCM 
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