Symptom Chart: Instrument Cluster and Panel Illumination

Diagnostics in this 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	VERIFY the audio system can be operated normally from the FDIM . If the audio system can be operated normally from the FDIM , INSTALL a new APIM . REFER to: SYNC MODULE [APIM] If the audio system cannot be operated normally from the FDIM , REFER to: INFORMATION AND ENTERTAINMENT SYSTEM