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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 305 (Instrument Cluster Illumination And Panel Illumination) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Related Module DTC Chart(s) >> Symptom Chart: Instrument Cluster and Panel Illumination

Symptom Chart: Instrument Cluster and Panel Illumination

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Diagnostics in this service information assumes a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information about these practices.

SYMPTOM DESCRIPTION - INSTRUMENT CLUSTER AND PANEL ILLUMINATION

Condition Possible Sources Actions
  • A module does not respond to the scan tool
  • Fuse
  • Wiring, terminals or connectors
  • Module
  • All dimmable illumination does not dim/increase brightness
  • FLM 
  • All dimmable non-networked illumination is inoperative
  • Fuse
  • Wiring, terminals or connectors
  • BCM 
  • All dimmable non-networked illumination is always on
  • Wiring, terminals or connectors
  • BCM 
  • The steering wheel switch(es) illumination is inoperative
  • Wiring, terminals or connectors
  • Steering wheel switch (es)
  • Clockspring
  • Steering wheel
  • The right front or either rear window control switch illumination is inoperative
  • Window control switch
  • The left front window control switch illumination is inoperative
  • Wiring, terminals or connectors
  • Window control switch
  • VERIFY the operation of the power mirrors.
  • If the power mirrors operate correctly, INSTALL a new window control switch. REFER to WINDOW CONTROL SWITCH .
  • If the power mirrors are inoperative, REFER to PINPOINT TEST A .
  • One or more switch or component illumination is inoperative
  • Wiring, terminals or connectors
  • Illuminated switch
  • Illuminated component
  • The IPC  illumination is inoperative/does not dim
  • IPC 
  • CARRY OUT the network test.
  • If the scan tool responds with no communication with the IPC  , REFER to PINPOINT TEST H .
  • If the scan tool communicates with the IPC  , INSTALL a new IPC  . REFER to INSTRUMENT PANEL CLUSTER (IPC) .
  • The FCIM  illumination is inoperative/does not dim
  • FCIM 
  • The FCDIM  illumination is inoperative/does not dim
  • FCDIM 
  • The FDIM  illumination is inoperative/does not dim
  • FDIM 
  • The terrain management switch illumination is inoperative/does not dim
  • ATCM 
  • CHECK for normal operation of the terrain management switch.
  • If the system operates correctly, INSTALL a new ATCM  . REFER to ALL TERRAIN CONTROL MODULE (ATCM) .
  • If the system does not operate correctly, REFER to SYMPTOM CHART : Four Wheel Drive (4WD) Systems.