Symptom Chart: Instrument Cluster and Panel Illumination

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. For information about these practices,

REFER to: DIAGNOSTIC METHODS .

SYMPTOM CHART

Condition	Possible Sources	Actions
A module does not respond to the scan tool	Fuse Wiring, terminals or connectors Module	REFER to: COMMUNICATIONS NETWORK .
All dimmable illumination does not dim or increase brightness	Dimmer switch (part of headlamp switch)	VERIFY the operation of the headlamps. If the headlamps operate correctly, GO to PINPOINT TEST G . If the headlamps do not operate correctly, REFER to: HEADLAMPS .
The start/stop switch illumination is inoperative or always on - vehicles with Intelligent Access (IA)	Refer to Diagnostic Routine	GO to PINPOINT TEST F
The LH front window control switch illumination is inoperative or always on - with door modules (with one-touch up window)	Window control switch	VERIFY the operation of the power windows. For the LH front window control switch, if the power windows operate correctly, INSTALL a new window control switch. REFER to: DRIVER DOOR WINDOW CONTROL SWITCH .
The RH front, RH rear or LH rear window control switch illumination is inoperative or always on - with door modules (with one-touch up window)	Refer to Diagnostic Routine	GO to PINPOINT TEST E
All dimmable non-networked illumination is inoperative	Refer to Diagnostic Routine	GO to PINPOINT TEST A
One or more dimmable non-networked illumination is inoperative	Refer to Diagnostic Routine	GO to PINPOINT TEST D
The steering wheel switch(es) illumination is inoperative	Refer to Diagnostic Routine	GO to PINPOINT TEST C
All dimmable non-networked illumination is always on (networked illumination functions correctly)	Refer to Diagnostic Routine	GO to PINPOINT TEST B
The IPC illumination is inoperative/does not dim	IPC	If all other networked illumination sources operate correctly, INSTALL a new IPC . REFER to: INSTRUMENT PANEL CLUSTER (IPC) . If all other networked illumination sources are inoperative or do not dim, GO to PINPOINT TEST G
The FCIM illumination is inoperative/does not dim	FCIM	VERIFY all FCIM controls function normally. If the FCIM controls function normally, INSTALL a new FCIM . REFER to: FRONT CONTROLS INTERFACE MODULE (FCIM) . If the FCIM controls do not function normally, REFER to: INFORMATION AND ENTERTAINMENT SYSTEM .
The FDIM illumination is inoperative/does not dim	APIM FDIM	VERIFY the audio system can be operated from the FDIM . If the audio system responds normally to FDIM inputs, refer to APIM HARDWARE TESTING . If the FDIM illumination still does not function correctly after the repair, INSTALL a new FDIM . REFER to: FRONT DISPLAY INTERFACE MODULE (FDIM) . If the audio system does not operate correctly from the FDIM inputs, REFER to: INFORMATION AND ENTERTAINMENT SYSTEM .