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Home >> Lincoln >> 2004 >> Aviator AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Information Gauges And Warning Devices >> Diagnosis And Testing >> Instrument Cluster >> Symptom Chart

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • No communication with the instrument cluster
  • Circuitry.
  • Standard corporate protocol (SCP) communication network.
  • Universal asynchronous receiver-transmitter (LJART) based protocol (UBP) communication network.
  • Instrument cluster.
  • Incorrect fuel gauge indication
  • Circuitry.
  • Fuel sender.
  • Fuel tank.
  • Instrument cluster.
  • Incorrect engine coolant temperature gauge indication
  • Circuitry.
  • Engine coolant temperature sensor.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The speedometer/odometer is inoperative
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The tachometer is inoperative
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The safety belt warning indicator is inoperative (chime is operative)/does not operate correctly
  • Circuitry.
  • Restraint control module (RCM).
  • Safety belt switch (part of the driver belt buckle).
  • Instrument cluster.
  • Inaccurate speedometer reading
  • Instrument cluster.
  • Anti-lock brake system (ABS) module.
  • Tires.
  • The anti-lock brake system (ABS) warning indicator is never on
  • Circuitry.
  • Instrument cluster.
  • ABS module.
  • The anti-lock brake system (ABS) warning indicator is always on
  • Instrument cluster.
  • ABS module.
  • The brake warning indicator is never/always on
  • Circuitry.
  • Brake fluid level switch.
  • Parking brake switch. Anti-lock brake system (ABS) module.
  • Instrument cluster.
  • The malfunction indicator lamp (MIL) is never on
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The malfunction indicator lamp (MIL) is always on
  • Diagnostic trouble code (DTC) related concern(s).
 
  • The charging system warning indicator is never on
  • Charging system.
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The charging system warning indicator is always on.
  • Circuitry.
  • Generator (charging system).
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The air bag indicator warning is never/always on
  • Circuitry.
  • Restraint control module (RCM).
  • Instrument cluster.
  • The high beam indicator is never on
  • Circuitry.
  • Instrument cluster.
  • The LH turn indicator is never on
  • Circuitry.
  • Instrument cluster.
  • The RH turn indicator is never on
  • Circuitry.
  • Instrument cluster.
  • The all-wheel drive (AWD) LOCKED indicator is never/always on
  • Circuitry.
  • AWD control module.
  • Instrument cluster.
  • The speed control indicator is never/always on
  • Circuitry.
  • Speed control servo.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The oil pressure warning indicator is never/always on
  • Circuitry.
  • Oil pressure switch.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The temperature warning indicator is never/always on
  • Circuitry.
  • Cylinder head temperature sensor.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The overdrive off indicator is never/always on
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • The traction control indicator is never/always on
  • Anti-lock brake system (ABS) module.
  • Instrument cluster.
  • The low tire warning indicator is never on
  • Circuitry.
  • Instrument cluster.
  • The instrument cluster is inoperative
  • Circuitry.
  • Instrument cluster.