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Home >> Mercury >> 2003 >> Mountaineer 4.0 K, RWD >> Repair and Diagnosis >> Electrical >> Gauges >> Information Center - Information, Gauges And Warning Devices >> Diagnosis And Testing >> Information And Message Center >> Symptom Chart

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
No communication with the instrument cluster
  • Central junction box (CJB) fuse(s):
    • 15 (5A).
    • 21 (5A).
  • Battery junction box (BJB) fuse(s):
    • 15 (15A).
    • 23 (30A).
  • Circuitry.
  • Standard corporate protocol (SCP) communication network.
  • UART based protocol (UBP) communication network.
  • Instrument cluster.
 Go To PINPOINT TEST G .
The message center is not operating correctly
  • Instrument cluster.
  • Message center switch.
  • Circuitry.
 Go To PINPOINT TEST AJ .
The compass is inoperative
  • Compass sensor module.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AK .
The compass is inaccurate
  • Zone setting.
  • Calibration.
  • Vehicle magnetization.
  • Compass sensor module.
  • Circuitry.
 Go To PINPOINT TEST AL .
The message center display is blank
  • Instrument cluster.
 INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER .
The charging system warning is incorrect
  • Generator.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST T .
The message center switch does not operate correctly
  • Message center switch.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AM .
The indicator does not operate correctly - low washer fluid level display
  • Washer fluid level switch.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AN .
The indicator does not operate correctly - door ajar display
  • Door ajar switch(es).
  • Vehicle security module.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AO .
The indicator does not operate correctly - low fuel level display
  • Fuel pump module.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AP .
The indicator does not operate correctly - distance to empty, average fuel economy
  • Instrument cluster.
  • Powertrain control module (PCM).
  • Circuitry.
 CHECK the operation of the speedometer, the fuel gauge and the odometer. If inoperative, Go To PINPOINT TEST L  .
The indicator does not operate correctly - low brake fluid level display
  • Brake fluid level switch.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AQ .
The indicator does not operate correctly - low oil pressure display
  • Engine oil pressure switch.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AR .
The indicator does not operate correctly - check engine temperature
  • Engine temperature sensor.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AS .
The indicator does not operate correctly - backup aid
  • Parking aid module.
  • Instrument cluster.
  • Circuitry.
 Go To PINPOINT TEST AT .
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