Ford Fusion: Instrument Panel and Interior Switches Illumination / Instrument Panel and Interior Switches Illumination. Diagnosis and Testing

DTC Charts

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

  BCM DTC Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

  DDM DTC Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

  PDM DTC Chart

Symptom Chart

Symptom Chart: Instrument Panel and Interior Switches Illumination

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Condition	Possible Sources	Action
All dimmable illumination does not dim or increase brightness using the dimmer control from the headlamp switch	Refer to Pinpoint Test	GO to Pinpoint Test A
All wired dimmable illumination sources are inoperative	Refer to Pinpoint Test	GO to Pinpoint Test B
All wired dimmable illumination sources are always on	Refer to Pinpoint Test	GO to Pinpoint Test C
All networked illumination is inoperative or does not dim or increase brightness	Refer to Pinpoint Test	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
One or more steering wheel switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test D
The ignition switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
The hazard flasher switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
The headlamp switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
The luggage compartment lid release switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
The parking brake switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
The heated seat switch (rear seat) illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
The overhead console illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test E
The rear interior lamp switch illumination is inoperative or always on	Rear interior lamp	INSTALL a new rear interior lamp.
The left front window control switch illumination is inoperative or always on	Left front window control switch	INSTALL a new left front window control switch. REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation).
The right front window control switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test G
The left rear window control switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test H
The right rear window control switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test H
The left front door control lock control switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test F
The right front door lock control switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test G
The fuel filler door release switch illumination is inoperative	Refer to Pinpoint Test	GO to Pinpoint Test F
The right front window control switch illumination is always on	Refer to Pinpoint Test	GO to Pinpoint Test I
The left rear window control switch illumination is always on	Refer to Pinpoint Test	GO to Pinpoint Test J
The right rear window control switch illumination is always on	Refer to Pinpoint Test	GO to Pinpoint Test J
The left front door control lock control switch illumination is always on	Refer to Pinpoint Test	GO to Pinpoint Test I
The right front door lock control switch illumination is always on	Refer to Pinpoint Test	GO to Pinpoint Test I
The fuel filler door release switch illumination is always on	Refer to Pinpoint Test	GO to Pinpoint Test I
The IPC illumination is inoperative or does not dim	Network communication concern IPC	Using a diagnostic scan tool, CARRY OUT a network test. If the IPC passes the network test,    Click here to access Guided Routine (IPC). Internet Explorer version 11 or greater is required to perform this Pinpoint Test. If the IPC does not pass the network test, REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
The FCIM illumination is inoperative or does not dim	Network communication concern FCIM	Using a diagnostic scan tool, CARRY OUT a network test. If the FCIM passes the network test,    Click here to access Guided Routine (FCIM). Internet Explorer version 11 or greater is required to perform this Pinpoint Test. If the FCIM does not pass the network test, REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
The FDIM illumination does not dim	Network communication concern FDIM	PERFORM a network test. If the scan tool does not communicate with the APIM, REFER to: Communications Network (418-00) . If the scan tool communicates with the APIM,    Click here to access Guided Routine (FDIM). Internet Explorer version 11 or greater is required to perform this Pinpoint Test.
The GSM (gear selector buttons) illumination is inoperative or does not dim	Gear selector operation concern GSM	VERIFY the gear selector operates correctly. If the gear selector operates correctly, INSTALL a new GSM. REFER to the Removal and Installation procedure in the appropriate 307-05 section. If the gear selector does not operate correctly, REFER to the Diagnosis and Testing in the appropriate 307-05 section.

Pinpoint Test

All Dimmable Illumination Does Not Dim Or Increase Brightness Using The Dimmer Control From The Headlamp Switch

Refer to Wiring Diagrams Cell 71 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

  BCM DTC Fault Trigger Conditions

Possible Causes

• Wiring, terminals or connectors
• Headlamp switch
• BCM

A1 CHECK FOR RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST

Ignition ON. Using a diagnostic scan tool, carry out a BCM self-test. Is DTC B1436:01 present? Yes GO to A2 No GO to A4

A2 ISOLATE THE HEADLAMP SWITCH

Ignition OFF. Disconnect Headlamp Switch C205 . Ignition ON. NOTE: Other BCM Diagnostic Trouble Codes (DTCs) may set and should be ignored. Using a diagnostic scan tool, clear the BCM Diagnostic Trouble Codes (DTCs) and repeat the BCM self-test. Is DTC B1436:01 still present? Yes GO to A3 No INSTALL a new headlamp switch. REFER to: Headlamp Switch (417-01 Exterior Lighting, Removal and Installation).

A3 CHECK THE DIM UP AND DIM DOWN CIRCUITS FOR A SHORT TO GROUND

Ignition OFF. Disconnect BCM C2280G . Measure: Click to display connectors Positive Lead Measurement / Action Negative Lead   C205-3   Ground   C205-6   Ground Are the resistances greater than 10,000 ohms? Yes GO to A7 No REPAIR circuit in question.

A4 BYPASS THE INSTRUMENT PANEL DIMMER SWITCH

Ignition OFF. Disconnect Headlamp Switch C205 . Connect: Click to display connectors   Backlighting Intensity Increase Positive Lead Measurement / Action Negative Lead   C205-6   C205-5 Observe the backlighting intensity. Remove the fused jumper wire. Connect: Click to display connectors   Backlighting Intensity Decrease Positive Lead Measurement / Action Negative Lead   C205-3   C205-5 Observe the backlighting intensity. Remove the fused jumper wire. Does the backlighting intensity increase and decrease with the fused jumper wires? Yes INSTALL a new headlamp switch. REFER to: Headlamp Switch (417-01 Exterior Lighting, Removal and Installation). No GO to A5

A5 CHECK THE DIM UP AND DIM DOWN CIRCUITS FOR AN OPEN

Disconnect BCM C2280G . Measure: Click to display connectors Positive Lead Measurement / Action Negative Lead   C205-3   C2280G-3   C205-6   C2280G-7 Are the resistances less than 3 ohms? Yes GO to A6 No REPAIR circuit in question.

A6 CHECK THE DIM UP AND DIM DOWN CIRCUITS FOR A SHORT TOGETHER

Measure: Click to display connectors Positive Lead Measurement / Action Negative Lead   C205-3   C205-6 Is the resistance greater than 10,000 ohms? Yes GO to A7 No REPAIR the circuits.

A7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM connectors and make sure they seat and latch correctly. Operate the system to determine if the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern,    Click here to access Guided Routine (BCM). Internet Explorer version 11 or greater is required to perform this Pinpoint Test. No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

All Wired Dimmable Illumination Sources Are Inoperative

Refer to Wiring Diagrams Cell 71 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

  BCM DTC Fault Trigger Conditions

Possible Causes

• Wiring, terminals or connectors
• BCM

B1 BYPASS THE BCM (BODY CONTROL MODULE)

Ignition OFF. Disconnect BCM C2280G . NOTE: If the fuse in the jumper wire fails, refer to the Wiring Diagrams manual to identify the possible causes of the circuit short. After the repair, clear the Diagnostic Trouble Codes (DTCs) and repeat the BCM self-test (required to enable the illumination output driver when DTC U1000:00 sets. Connect: Click to display connectors Positive Lead Measurement / Action Negative Lead   C2280G-45 Battery Positive Do the wired dimmable components illuminate? Yes REMOVE the fused jumper wire. GO to B2 No REMOVE the fused jumper wire. REPAIR the circuit.

B2 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM connectors and make sure they seat and latch correctly. Operate the system to determine if the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern,    Click here to access Guided Routine (BCM). Internet Explorer version 11 or greater is required to perform this Pinpoint Test. No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

All Wired Dimmable Illumination Is Always On

Refer to Wiring Diagrams Cell 71 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

  BCM DTC Fault Trigger Conditions

Possible Causes

• Wiring, terminals or connectors
• Headlamp switch concern
• BCM

C1 CHECK THE EXTERIOR LIGHTING

Ignition ON. Place the headlamp switch in the OFF position. Observe the exterior lamps. Are the exterior lamps illuminated? Yes REFER to: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing). No GO to C2

C2 CONFIRM THE DIMMABLE BACKLIGHTING IS ON WITH THE EXTERIOR LIGHTING OFF

Observe the wired dimmable components. Are the wired dimmable components illuminated at full intensity? Yes GO to C3 No GO to Pinpoint Test A

C3 CHECK THE BCM (BODY CONTROL MODULE) WIRED DIMMABLE ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

Disconnect BCM C2280G . Do the wired dimmable components continue to illuminate? Yes REPAIR the circuit. No GO to C4

C4 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM connectors and make sure they seat and latch correctly. Operate the system to determine if the concern is still present. Is the concern still present? Yes CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern,    Click here to access Guided Routine (BCM). Internet Explorer version 11 or greater is required to perform this Pinpoint Test. No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

One Or More Steering Wheel Switch Illumination Is Inoperative

Refer to Wiring Diagrams Cell 71 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

Possible Causes

• Wiring, terminals or connectors
• Steering wheel switch
• Clockspring
• Steering wheel
• Driver airbag

One Or More Wired Dimmable Illumination Source Is Inoperative

Refer to Wiring Diagrams Cell 71 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

Possible Causes

• Wiring, terminals or connectors
• Illuminated component

One or more DDM controlled illumination source is inoperative

Refer to Wiring Diagrams Cell 100 for schematic and connector information.

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

  DDM DTC Fault Trigger Conditions

Possible Causes

• Communication network concern
• Wiring, terminals or connectors
• Left front door lock control switch
• Fuel filler door release switch
• DDM

One or more PDM controlled illumination source is inoperative

Refer to Wiring Diagrams Cell 100 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

  PDM DTC Fault Trigger Conditions

Possible Causes

• Communication network concern
• Wiring, terminals or connectors
• Right front door lock control switch
• Right front window control switch
• PDM

One or more RDM controlled illumination source is inoperative

Refer to Wiring Diagrams Cell 100 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

  DDM/ PDM DTC Fault Trigger Conditions

Possible Causes

• Communication concern
• Power window concern
• Wiring, terminals or connectors
• Left rear window control switch
• Right rear window control switch
• RDM
• DDM/ PDM

The DDM or the PDM controlled illumination is always on

Refer to Wiring Diagrams Cell 100 for schematic and connector information.

Refer to Wiring Diagrams Cell 117 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

Possible Causes

• Wiring, terminals or connectors
• DDM/ PDM

The RDM Controlled Illumination Is Always On

Refer to Wiring Diagrams Cell 100 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Instrument Panel and Interior Switches Illumination - System Operation and Component Description (413-00 Instrument Panel and Interior Switches Illumination, Description and Operation).

Possible Causes

• Wiring, terminals or connectors
• RDM