Symptom Chart: Instrument Cluster and Panel Illumination

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

SYMPTOM CHART

Condition	Possible Sources	Actions
A module does not respond to the scan tool	Fuse Wiring, terminals or connectors Module	REFER to SYMPTOM CHART: COMMUNICATION NETWORK .
All dimmable illumination does not dim/increase brightness	FLM	VERIFY the operation of the headlamps. If the headlamps operate correctly, INSTALL a new FLM. REFER to FRONT LIGHTING CONTROL MODULE (FLM) . If the headlamps do not operate correctly, REFER to SYMPTOM CHART: HEADLAMPS .
All dimmable non-networked illumination is inoperative	Fuse Wiring, terminals or connectors BCM	REFER to Diagnostic Routine A: All Dimmable Non-Networked Illumination Is Inoperative .
All dimmable non-networked illumination is always on	Wiring, terminals or connectors BCM	REFER to Diagnostic Routine C: All Dimmable Non-Networked Illumination Is Always On .
The steering wheel switch(es) illumination is inoperative	Wiring, terminals or connectors Steering wheel switch(es) Steering wheel harness Clockspring	REFER to Diagnostic Routine E: The Steering Wheel Switch Illumination Is Inoperative .
The right front or either rear window control switch illumination is inoperative	Window control switch	VERIFY the operation of the power windows. If the power windows operate correctly, INSTALL a new window control switch. REFER to WINDOW CONTROL SWITCH . If the power windows do not operate correctly, REFER to SYMPTOM CHART: GLASS, FRAMES AND MECHANISMS .
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 DIAGNOSTIC ROUTINE A : The Mirrors Are Inoperative - Non-Memory.
One or more switch or component illumination is inoperative	Wiring, terminals or connectors Illuminated switch Illuminated component	REFER to Diagnostic Routine F: One Or More Switch Or Component Illumination Is Inoperative .
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 DIAGNOSTIC ROUTINE H : The Instrument Panel Cluster (IPC) Does Not Respond To The Scan Tool. 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	CARRY OUT the network test. If the scan tool responds with no communication with the FCIM, REFER to DIAGNOSTIC ROUTINE H : The Instrument Panel Cluster (IPC) Does Not Respond To The Scan Tool. If the scan tool communicates with the FCIM, INSTALL a new FCIM: REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) - (Premium), REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) - (Premium Plus), or REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) - (Sony® Sound).
The FCDIM illumination is inoperative/does not dim	FCDIM	CHECK for normal operation of the audio system. If the audio system operates correctly, INSTALL a new FCDIM . REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) - (Premium). If the audio system does not operate correctly, REFER to SYMPTOM CHART: GENERAL AUDIO SYSTEM - (Premium).
The FDIM illumination is inoperative/does not dim	FDIM	CHECK for normal operation of the audio system. If the audio system operates correctly, INSTALL a new FDIM. REFER to FRONT DISPLAY INTERFACE MODULE (FDIM) - (Sony Sound). If the audio system does not operate correctly: REFER to SYMPTOM CHART: GENERAL AUDIO SYSTEM - (Premium Plus), or REFER to SYMPTOM CHART: GENERAL AUDIO SYSTEM - (Sony® Sound).
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 .