Lincoln Aviator 2020-2024 Service Manual / Electrical / Lighting / Interior Lighting / Diagnosis and Testing - Interior Lighting

Lincoln Aviator: Interior Lighting / Diagnosis and Testing - Interior Lighting

Diagnostic Trouble Code (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).

Diagnostic Trouble Code Chart

Module	DTC	Description	Action
BCM	B1175:01	Driver Door Ajar Switch:General Electrical Failure	If the courtesy lamps are inoperative, GO to Pinpoint Test A
BCM	B1175:01	Driver Door Ajar Switch:General Electrical Failure	If the courtesy lamps are always on, GO to Pinpoint Test C
BCM	B1176:01	Passenger Door Ajar Switch:General Electrical Failure	If the courtesy lamps are inoperative, GO to Pinpoint Test A
BCM	B1176:01	Passenger Door Ajar Switch:General Electrical Failure	If the courtesy lamps are always on, GO to Pinpoint Test C
BCM	B11C0:01	Driver Side Rear Door Ajar Switch:General Electrical Failure	If the courtesy lamps are inoperative, GO to Pinpoint Test A
BCM	B11C0:01	Driver Side Rear Door Ajar Switch:General Electrical Failure	If the courtesy lamps are always on, GO to Pinpoint Test C
BCM	B11C1:01	Passenger Side Rear Door Ajar Switch:General Electrical Failure	If the courtesy lamps are inoperative, GO to Pinpoint Test A
BCM	B11C1:01	Passenger Side Rear Door Ajar Switch:General Electrical Failure	If the courtesy lamps are always on, GO to Pinpoint Test C
BCM	B12C2:11	Puddle Lamp:Circuit Short To Ground	GO to Pinpoint Test H
BCM	B12C2:15	Puddle Lamp:Circuit Short To Battery or Open	GO to Pinpoint Test H
BCM	B1306:01	Liftgate Ajar Switch:General Electrical Failure	GO to Pinpoint Test K
BCM	B1306:11	Liftgate Ajar Switch:Circuit Short To Ground	GO to Pinpoint Test K
BCM	B1313:11	Interior Lighting Output:Circuit Short To Ground	GO to Pinpoint Test B
BCM	B1313:15	Interior Lighting Output:Circuit Short To Battery or Open	If the courtesy lamps are always on, GO to Pinpoint Test B
BCM	B1313:15	Interior Lighting Output:Circuit Short To Battery or Open	If the courtesy lamps are always on, GO to Pinpoint Test D
BCM	B145C:11	Ambient Lighting Power Supply Output:Circuit Short To Ground	GO to Pinpoint Test I
BCM	B145C:15	Ambient Lighting Power Supply Output:Circuit Short To Battery or Open	GO to Pinpoint Test I
BCM	B1465:00	Ambient Lighting Bus 1:No Sub Type Information	If all the ambient lighting is inoperative, always on or does not change color/intensity, GO to Pinpoint Test I
BCM	B1465:00	Ambient Lighting Bus 1:No Sub Type Information	If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity, GO to Pinpoint Test J
BCM	B1465:96	Ambient Lighting Bus 1:Component Internal Failure	If all the ambient lighting is inoperative, always on or does not change color/intensity, GO to Pinpoint Test I
BCM	B1465:96	Ambient Lighting Bus 1:Component Internal Failure	If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity, GO to Pinpoint Test J
BCM	B1467:00	Ambient Lighting Bus 3:No Sub Type Information	If all the ambient lighting is inoperative, always on or does not change color/intensity, GO to Pinpoint Test I
BCM	B1467:00	Ambient Lighting Bus 3:No Sub Type Information	If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity, GO to Pinpoint Test J
BCM	B1467:96	Ambient Lighting Bus 3:Component Internal Failure	If all the ambient lighting is inoperative, always on or does not change color/intensity, GO to Pinpoint Test I
BCM	B1467:96	Ambient Lighting Bus 3:Component Internal Failure	If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity, GO to Pinpoint Test J
BCM	B14AA:11	Demand Lamp Output:Circuit Short To Ground	GO to Pinpoint Test E
BCM	B14AA:15	Demand Lamp Output:Circuit Short To Battery or Open	GO to Pinpoint Test E
BCM	B153C:11	Color Ambient Light Output:Circuit Short To Ground	GO to Pinpoint Test I
BCM	B153C:15	Color Ambient Light Output:Circuit Short To Battery or Open	GO to Pinpoint Test I
DCME	B1175:19	Drivers Door Ajar Switch:Circuit Current Above Threshold	GO to Pinpoint Test C
DCMF	B1176:19	Passenger Door Ajar Switch:Circuit Current Above Threshold	GO to Pinpoint Test C
DCMG	B11C0:19	Driver Side Rear Door Ajar Switch:Circuit Current Above Threshold	GO to Pinpoint Test C
DCMH	B11C1:19	Passenger Side Rear Door Ajar Switch:Circuit Current Above Threshold	GO to Pinpoint Test C
DDM	B1165:11	Left Front Puddle Lamp Output:Circuit Short To Ground	GO to Pinpoint Test G
DDM	B1165:15	Left Front Puddle Lamp Output:Circuit Short To Battery Or Open	GO to Pinpoint Test G
PDM	B1166:11	Right Front Puddle Lamp Output:Circuit Short To Ground	GO to Pinpoint Test G
PDM	B1166:15	Right Front Puddle Lamp Output:Circuit Short To Battery Or Open	GO to Pinpoint Test G
RGTM	B1306:12	Liftgate Ajar Switch:Circuit Short To Battery	GO to Pinpoint Test C

Symptom Chart(s)

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).

Symptom Chart: Interior Lighting

Condition	Possible Sources	Actions
A module does not respond to the scan tool	Fuse Wiring, terminals or connectors Module	REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
The courtesy lamps do not illuminate with a door open	Refer to the Pinpoint Test	GO to Pinpoint Test A
One or more interior courtesy lamps are inoperative	Refer to the Pinpoint Test	GO to Pinpoint Test B
The courtesy lamps do not illuminate with the liftgate open	Refer to the Pinpoint Test	GO to Pinpoint Test K
A welcome mat lamp is inoperative or always on	Refer to the Pinpoint Test	GO to Pinpoint Test G
One or more illuminated scuff plates, exterior door handle LEDs or rear puddle lamps are inoperative or always on	Refer to the Pinpoint Test	GO to Pinpoint Test H
All the courtesy lamps stay on continuously	Refer to the Pinpoint Test	GO to Pinpoint Test C
The interior courtesy lamps stay on continuously	Refer to the Pinpoint Test	GO to Pinpoint Test D
One or more demand lamps are inoperative	Refer to the Pinpoint Test	GO to Pinpoint Test E
The battery saver does not deactivate after time-out	Refer to the Pinpoint Test	GO to Pinpoint Test F
The ambient lighting is inoperative or always on	Refer to the Pinpoint Test	GO to Pinpoint Test I
One or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity	Refer to the Pinpoint Test	GO to Pinpoint Test J

Pinpoint Tests

PINPOINT TEST A : THE COURTESY LAMPS DO NOT ILLUMINATE WITH A DOOR OPEN

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

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B1175:01	Drivers Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the LH front door ajar circuit.
BCM B1176:01	Passenger Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the RH front door ajar circuit.
BCM B11C0:01	Driver Side Rear Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the LH rear door ajar circuit.
BCM B11C1:01	Passenger Side Rear Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the RH rear door ajar circuit.

Possible Sources

Wiring, terminals or connectors
Door latch module
BCM

A1 CHECK THE OPERATION OF THE COURTESY LAMP FUNCTION FROM THE FRONT INTERIOR LAMP

Ignition OFF.

Use the courtesy lamp switch on the front interior lamp to activate the overhead courtesy lamps.

Do the overhead courtesy lamps illuminate?

Yes

GO to A2

No	GO to Pinpoint Test B

A2 CHECK FOR DCME (DOOR CONTROL MODULE E) / DCMF (DOOR CONTROL MODULE F) / DCMG (DOOR CONTROL MODULE G) / DCMH (DOOR CONTROL MODULE H) DIAGNOSTIC TROUBLE CODE (DTCS)

Ignition ON.

Using a diagnostic scan tool, perform the DCME / DCMF / DCMG / DCMH self-test.

Are any DCME / DCMF / DCMG / DCMH Diagnostic Trouble Code (DTCs) present?

Yes

If DCME / DCMF / DCMG / DCMH DTC B1175:19, B1176:19, B11C0:19 or B11C1:19 is present, GO to Pinpoint Test C
If any other DCME / DCMF / DCMG / DCMH Diagnostic Trouble Code (DTCs) are present,
REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing).

GO to A3

A3 CHECK THE DOOR LATCH CONTROL MODULE OPERATION

Deactivate the overhead courtesy lamps from the front interior lamp.

Disconnect Suspect door latch module.

Do the courtesy lamps illuminate?

Yes

GO to A5

GO to A4

A4 CHECK THE DOOR AJAR SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND

Disconnect BCM C2280E .

Measure:
Click to display connectors
LH Front Door Ajar Switch ( DCME)

Positive Lead Measurement / Action Negative Lead

C2280E-33 Ground

Click to display connectors
RH Front Door Ajar Switch ( DCMF)

Positive Lead Measurement / Action Negative Lead

C2280E-21 Ground

Click to display connectors
LH Rear Door Ajar Switch ( DCMG)

Positive Lead Measurement / Action Negative Lead

C2280E-46 Ground

Click to display connectors
RH Rear Door Ajar Switch ( DCMH)

Positive Lead Measurement / Action Negative Lead

C2280E-19 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to A6

No	REPAIR the circuit.

A5 CHECK FOR CORRECT DOOR LATCH CONTROL MODULE OPERATION

Disconnect and inspect all door latch control module connectors and related in-line 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 door latch control module connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, install a new door latch control module.
For a front door, INSTALL a new front door latch.
REFER to: Front Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). For a rear door, INSTALL a new rear door latch.
REFER to: Rear Door Latch (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

A6 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST B : ONE OR MORE INTERIOR COURTESY LAMPS ARE INOPERATIVE

Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B1313:11	Interior Lighting Output: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the interior lighting output circuit.
BCM B1313:15	Interior Lighting Output: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the interior lighting output circuit.

Possible Sources

Wiring, terminals or connectors
Interior lamp
BCM

B1 CHECK THE OPERATION OF ALL THE INTERIOR COURTESY LAMPS

Open a door and observe the interior courtesy lamps.

Are all the interior courtesy lamps inoperative?

Yes

GO to Pinpoint Test A

If only the front interior lamp is inoperative, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). If all the front and rear interior overhead lamp(s) and the cargo lamp are inoperative, GO to B2
If a single overhead interior or cargo lamp is inoperative, GO to B6
If a all of the overhead interior and cargo lamps are inoperative, GO to B8

B2 CHECK FOR VOLTAGE TO THE FRONT COURTESY LAMP

Close the door.

Disconnect Overhead Console C930 .

Ignition ON.

Open a door.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-10 Ground

Is the voltage greater than 11 volts?

Yes

REPAIR the front interior lamp ground circuit.

GO to B3

B3 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE FRONT COURTESY LAMP

Using a diagnostic scan tool, perform the BCM self-test.

Clear the Diagnostic Trouble Codes (DTCs) and repeat the self-test (required to enable the lamp output driver if DTC U1000:00 is present).

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-10 Ground

Is the voltage greater than 11 volts?

Yes

INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).

GO to B4

B4 CHECK THE BCM (BODY CONTROL MODULE) COURTESY LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND

Disconnect BCM C2280B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-10 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to B5

REPAIR the circuit. After the repair:
If no Diagnostic Trouble Codes (DTCs) are present, TEST the system for normal operation.
If DTC U1000:00 is present, CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM after all other Diagnostic Trouble Codes (DTCs) have been addressed.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

B5 CHECK THE BCM (BODY CONTROL MODULE) COURTESY LAMP OUTPUT CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-10 C2280B-13

Is the resistance less than 3 ohms?

Yes

GO to B11

No	REPAIR the circuit.

B6 CHECK FOR VOLTAGE TO THE REAR COURTESY LAMP

Close the door.

Disconnect Inoperative LH Second Row Interior Lamp C963 .

Disconnect Inoperative RH Second Row Interior Lamp C964 .

Disconnect Inoperative Third Row Interior Lamp C9054 .

Disconnect Inoperative Cargo Lamp C489 .

Disconnect Inoperative Liftgate Lamp C4777 .

Ignition ON.

Measure:
Click to display connectors
LH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C963-1 Ground

Click to display connectors
RH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C964-1 Ground

Click to display connectors
Third Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C9054-1 Ground

Click to display connectors
Cargo Lamp

Positive Lead Measurement / Action Negative Lead

C489-1 Ground

Click to display connectors
Liftgate Lamp

Positive Lead Measurement / Action Negative Lead

C4777-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to B7

No	REPAIR the circuit.

B7 CHECK THE REAR COURTESY LAMP GROUND CIRCUIT

Measure:
Click to display connectors
LH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C963-1 C963-3

Click to display connectors
RH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C964-1 C964-3

Click to display connectors
Third Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C9054-1 C9054-3

Click to display connectors
Cargo Lamp

Positive Lead Measurement / Action Negative Lead

C489-1 C489-3

Click to display connectors
Liftgate Lamp

Positive Lead Measurement / Action Negative Lead

C4777-1 C4777-3

Is the voltage greater than 11 volts?

Yes

GO to B8

No	REPAIR the circuit.

B8 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect Overhead Console C930 .

Disconnect LH Second Row Interior Lamp C963 .

Disconnect RH Second Row Interior Lamp C964 .

Disconnect Third Row Interior Lamp C9054 .

Disconnect Cargo Lamp C489 .

Disconnect Liftgate Lamp C4777 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-3 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to B9

B9 CHECK THE REAR LAMP CONTROL CIRCUIT FOR AN OPEN

Ignition OFF.

Measure:
Click to display connectors
LH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C963-2 C930-3

Click to display connectors
RH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C964-2 C930-3

Click to display connectors
Third Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C9054-2 C930-3

Click to display connectors
Cargo Lamp

Positive Lead Measurement / Action Negative Lead

C489-2 C930-3

Click to display connectors
Liftgate Lamp

Positive Lead Measurement / Action Negative Lead

C4777-2 C930-3

Is the resistance less than 3 ohms?

Yes

GO to B10

No	REPAIR the circuit.

B10 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-3 Ground

Is the resistance greater than 10,000 ohms?

Yes

If all rear interior, cargo and liftgate lamps are inoperative, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). If only one rear interior, cargo or liftgate lamp is inoperative, INSTALL a new lamp.

No	REPAIR the circuit.

B11 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST C : ALL THE COURTESY LAMPS STAY ON CONTINUOUSLY

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

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B1175:01	Drivers Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the LH front door ajar circuit.
BCM B1176:01	Passenger Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the RH front door ajar circuit.
BCM B11C0:01	Driver Side Rear Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the LH rear door ajar circuit.
BCM B11C1:01	Passenger Side Rear Door Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the RH rear door ajar circuit.
DCME B1175:19	Drivers Door Ajar Switch: Circuit Current Above Threshold	A continuous memory and on-demand DTC that sets when the DCME (Door Latch Module - Left Front) detects an excessive current draw on the door ajar switch output circuit.
DCMF B1176:19	Passenger Door Ajar Switch: Circuit Current Above Threshold	A continuous memory and on-demand DTC that sets when the DCMF (Door Latch Module - Right Front) detects an excessive current draw on the door ajar switch output circuit.
DCMG B11C0:19	Driver Side Rear Door Ajar Switch: Circuit Current Above Threshold	A continuous memory and on-demand DTC that sets when the DCMG (Door Latch Module - Left Rear) detects an excessive current draw on the door ajar switch output circuit.
DCMH B11C1:19	Passenger Side Rear Door Ajar Switch: Circuit Current Above Threshold	A continuous memory and on-demand DTC that sets when the DCMH (Door Latch Module - Right Rear) detects an excessive current draw on the door ajar switch output circuit.
RGTM B1306:12	Liftgate Ajar Switch: Circuit Short To Battery	A continuous memory and on-demand DTC that sets when the RGTM detects a short to voltage on the liftgate ajar output circuit.

Possible Sources

Wiring, terminals or connectors
Ajar switch
Door or latch alignment
Door latch module
RGTM
BCM

C1 CHECK THE DOOR AJAR SWITCH PARAMETER IDENTIFICATIONS (PIDS)

Ignition ON.

Using a diagnostic scan tool, view BCM Parameter Identifications (PIDs).

Monitor the following BCM Parameter Identifications (PIDs) while opening and closing all the doors and liftgate.
- Access the BCM and monitor the DOOR_SW_DRVR PID
- Access the BCM and monitor the DOOR_SW_PSGR PID
- Access the BCM and monitor the DOOR_SW_LR PID
- Access the BCM and monitor the DOOR_SW_RR PID
- Access the BCM and monitor the DOOR_SW_LUGG PID

Do all the door ajar switch PID values agree with the door and liftgate positions?

Yes

For the interior courtesy and puddle lamps (vehicles without memory mirrors), GO to Pinpoint Test D
For the welcome mat lamps (vehicles with memory mirrors), GO to Pinpoint Test G

GO to C2

C2 CHECK THE DOOR, LATCH AND STRIKER ALIGNMENT

Inspect the door, latch and striker alignment.

Is the door, latch and striker aligned correctly?

Yes

GO to C3

No	ALIGN the door, latch or striker.

C3 BYPASS THE SUSPECT DOOR LATCH

NOTE: The door ajar switches are integrated into the door control modules.

Disconnect Suspect door control module.

Connect a fused jumper wire:
Click to display connectors
LH Front Door Ajar Switch ( DCME)

Positive Lead Measurement / Action Negative Lead

C525-25 C525-23

Click to display connectors
RH Front Door Ajar Switch ( DCMF)

Positive Lead Measurement / Action Negative Lead

C609-25 C609-23

Click to display connectors
LH Rear Door Ajar Switch ( DCMG)

Positive Lead Measurement / Action Negative Lead

C705-25 C705-23

Click to display connectors
RH Rear Door Ajar Switch ( DCMH)

Positive Lead Measurement / Action Negative Lead

C805-25 C805-23

Click to display connectors
Liftgate Ajar Switch (RGTM)

Positive Lead Measurement / Action Negative Lead

C4174B-21 C4174A-14

Using a diagnostic scan tool, view BCM Parameter Identifications (PIDs).

Monitor the following BCM Parameter Identifications (PIDs).
- Access the BCM and monitor the DOOR_SW_DRVR PID
- Access the BCM and monitor the DOOR_SW_PSGR PID
- Access the BCM and monitor the DOOR_SW_LR PID
- Access the BCM and monitor the DOOR_SW_RR PID
- Access the BCM and monitor the DOOR_SW_LUGG PID

Does the PID indicate the liftgate or door in question is closed?

Yes

REMOVE the fused jumper wire.
For the power liftgate, GO to C6
For the doors, GO to C7

No	REMOVE the fused jumper wire. For the power liftgate, GO to C5 For all others, GO to C4

C4 BYPASS THE DOOR LATCH GROUND CIRCUIT

Connect a fused jumper wire:
Click to display connectors
LH Front Door Ajar Switch ( DCME)

Positive Lead Measurement / Action Negative Lead

C525-25 Ground

Click to display connectors
RH Front Door Ajar Switch ( DCMF)

Positive Lead Measurement / Action Negative Lead

C609-25 Ground

Click to display connectors
LH Rear Door Ajar Switch ( DCMG)

Positive Lead Measurement / Action Negative Lead

C705-25 Ground

Click to display connectors
RH Rear Door Ajar Switch ( DCMH)

Positive Lead Measurement / Action Negative Lead

C805-25 Ground

Click to display connectors
Liftgate Ajar Switch (RGTM)

Positive Lead Measurement / Action Negative Lead

C4174B-21 Ground

Using a diagnostic scan tool, view BCM Parameter Identifications (PIDs).

Monitor the following BCM Parameter Identifications (PIDs).
- Access the BCM and monitor the DOOR_SW_DRVR PID
- Access the BCM and monitor the DOOR_SW_PSGR PID
- Access the BCM and monitor the DOOR_SW_LR PID
- Access the BCM and monitor the DOOR_SW_RR PID
- Access the BCM and monitor the DOOR_SW_LUGG PID

Does the PID indicate the liftgate or door in question is closed?

Yes

REMOVE the fused jumper wire. REPAIR the ground circuit for an open.

No	REMOVE the fused jumper wire. GO to C5

C5 CHECK THE SUSPECT DOOR AJAR SWITCH INPUT CIRCUIT FOR AN OPEN

Disconnect BCM C2280E .

Measure:
Click to display connectors
LH Front Door Ajar Switch ( DCME)

Positive Lead Measurement / Action Negative Lead

C525-25 C2280E-33

Click to display connectors
RH Front Door Ajar Switch ( DCMF)

Positive Lead Measurement / Action Negative Lead

C609-25 C2280E-21

Click to display connectors
LH Rear Door Ajar Switch ( DCMG)

Positive Lead Measurement / Action Negative Lead

C705-25 C2280E-46

Click to display connectors
RH Rear Door Ajar Switch ( DCMH)

Positive Lead Measurement / Action Negative Lead

C805-25 C2280E-19

Click to display connectors
Liftgate Ajar Switch (RGTM)

Positive Lead Measurement / Action Negative Lead

C4174B-21 C2280E-34

Is the resistance less than 3 ohms?

Yes

GO to C8

No	REPAIR the door ajar input circuit in question.

C6 CHECK FOR CORRECT RGTM (REAR GATE TRUNK MODULE) OPERATION

Disconnect and inspect all RGTM connectors and related in-line 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 RGTM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RGTM.
REFER to: Rear Gate Trunk Module (RGTM) (501-03 Body Closures, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

C7 CHECK FOR CORRECT DOOR LATCH CONTROL MODULE OPERATION

Disconnect and inspect all door latch control module connectors and related in-line 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 door latch control module connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

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. CLEAR the Diagnostic Trouble Codes (DTCs).

C8 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST D : THE INTERIOR COURTESY LAMPS STAY ON CONTINUOUSLY

Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B1313:15	Interior Lighting Output: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the interior lighting output circuit.

Possible Sources

Wiring, terminals or connectors
Interior lamp
BCM

D1 CHECK THE DOOR AJAR SWITCH PARAMETER IDENTIFICATIONS (PIDS)

Ignition ON.

Using a scan tool, monitor the BCM Parameter Identifications (PIDs).

Monitor the following BCM Parameter Identifications (PIDs) while opening and closing all the doors and liftgate.
- Access the BCM and monitor the DOOR_SW_DRVR PID
- Access the BCM and monitor the DOOR_SW_PSGR PID
- Access the BCM and monitor the DOOR_SW_LR PID
- Access the BCM and monitor the DOOR_SW_RR PID
- Access the BCM and monitor the DOOR_SW_LUGG PID

Do all the door ajar switch PID values agree with the door positions?

Yes

GO to D2

No	GO to Pinpoint Test C

D2 ISOLATE THE BCM (BODY CONTROL MODULE)

Ignition OFF.

Disconnect BCM C2280C .

Ignition ON.

Do the interior courtesy lamps continue to illuminate?

Yes

REPAIR the circuit for a short to voltage.
For front overhead lamp only, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For rear overhead and cargo lamp(s) only, GO to D3

GO to D6

D3 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect Overhead Console C930 .

Disconnect LH Second Row Interior Lamp C963 .

Disconnect RH Second Row Interior Lamp C964 .

Disconnect Third Row Interior Lamp C9054 .

Disconnect Cargo Lamp C489 .

Disconnect Liftgate Lamp C4777 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-3 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to D4

D4 CHECK THE REAR LAMP CONTROL CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
LH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C963-2 C930-3

Click to display connectors
RH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C964-2 C930-3

Click to display connectors
Third Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C9054-2 C930-3

Click to display connectors
Cargo Lamp

Positive Lead Measurement / Action Negative Lead

C489-2 C930-3

Click to display connectors
Liftgate Lamp

Positive Lead Measurement / Action Negative Lead

C4777-2 C930-3

Is the resistance less than 3 ohms?

Yes

GO to D5

No	REPAIR the circuit.

D5 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-3 Ground

Is the resistance greater than 10,000 ohms?

Yes

If all rear interior lamps are inoperative, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). If only one rear interior lamp is inoperative, INSTALL a new rear interior lamp.

No	REPAIR the circuit.

D6 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST E : ONE OR MORE DEMAND LAMPS ARE INOPERATIVE

Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B14AA:11	Demand Lamp Output: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the demand lighting output circuit.
BCM B14AA:15	Demand Lamp Output: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the demand lighting output circuit.

Possible Sources

Wiring, terminals or connectors
Demand lamp
BCM

Visual Inspection and Pre-checks

Inspect the LEDs and make sure they are OK.
Inspect the interior lamps for damage.

E1 CHECK THE DEMAND LAMP OPERATION

Ignition ON.

Check the operation of the LH vanity mirror, RH vanity mirror, overhead map, cargo and glove box lamps.

Does the LH vanity mirror, RH vanity mirror, overhead map, cargo or glove box lamp illuminate?

Yes

If a vanity mirror lamp is inoperative, GO to E6
If the glove compartment lamp is inoperative, GO to E8
If an overhead lamp, cargo lamp, liftgate lamp or bin lamp is inoperative, GO to E10

GO to E2

E2 CHECK FOR VOLTAGE TO THE FRONT OVERHEAD MAP LAMP

Ignition OFF.

Disconnect Overhead Console C930 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to E10

GO to E3.

E3 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE FRONT OVERHEAD MAP LAMP

Using a diagnostic scan tool, perform the BCM self-test.

Clear the Diagnostic Trouble Codes (DTCs) and repeat the self-test (required to enable the lamp output driver if DTC U1000:00 is present).

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-1 Ground

Is the voltage greater than 11 volts?

Yes

INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation).

GO to E4

E4 CHECK THE BCM (BODY CONTROL MODULE) DEMAND LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect BCM C2280C .

Disconnect Glove Compartment Lamp C254 .

Disconnect LH Vanity Mirror Lamp C907 .

Disconnect RH Vanity Mirror Lamp C906 .

Disconnect LH Second Row Interior Lamp C963 .

Disconnect RH Second Row Interior Lamp C964 .

Disconnect Third Row Interior Lamp C9054 .

Disconnect Cargo Lamp C489 .

Disconnect Liftgate Lamp C4777 .

Disconnect Center Console Media Bin Lamp C374 .

Disconnect Center Console Rear Storage Bin Lamp C3553 .

Disconnect Second Row Console Storage Bin Lamp C3735 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-1 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to E5

E5 CHECK THE BCM (BODY CONTROL MODULE) DEMAND LAMP OUTPUT CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C930-1 C2280C-14

Is the resistance less than 3 ohms?

Yes

GO to E12

No	REPAIR the circuit.

E6 CHECK THE VANITY MIRROR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect Inoperative LH Vanity Mirror Lamp C907 or RH Vanity Mirror Lamp C906 .

Ignition ON.

Measure:
Click to display connectors
LH Vanity Mirror Lamp

Positive Lead Measurement / Action Negative Lead

C907-1 Ground

Click to display connectors
RH Vanity Mirror Lamp

Positive Lead Measurement / Action Negative Lead

C906-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to E7

No	REPAIR the circuit.

E7 CHECK THE VANITY MIRROR GROUND CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
LH Vanity Mirror Lamp

Positive Lead Measurement / Action Negative Lead

C907-1 C907-2

Click to display connectors
RH Vanity Mirror Lamp

Positive Lead Measurement / Action Negative Lead

C906-1 C906-2

Is the voltage greater than 11 volts?

Yes

INSTALL a new sun visor for the lamp in question.

No	REPAIR the circuit.

E8 CHECK THE GLOVE COMPARTMENT LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect Glove Compartment Lamp C254 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C254-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to E9

No	REPAIR the circuit.

E9 CHECK THE GLOVE COMPARTMENT LAMP GROUND CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C254-1 C254-2

Is the voltage greater than 11 volts?

Yes

INSTALL a new glove compartment lamp.

No	REPAIR the circuit.

E10 CHECK THE OVERHEAD INTERIOR LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect Overhead Console C930 .

Disconnect Inoperative LH Second Row Interior Lamp C963 .

Disconnect Inoperative RH Second Row Interior Lamp C964 .

Disconnect Inoperative Third Row Interior Lamp C9054 .

Disconnect Inoperative Cargo Lamp C489 .

Disconnect Inoperative Liftgate Lamp C4777 .

Disconnect Center Console Media Bin Lamp C374 .

Disconnect Center Console Rear Storage Bin Lamp C3553 .

Disconnect Second Row Console Storage Bin Lamp C3735 .

Ignition ON.

Measure:
Click to display connectors
Overhead Console

Positive Lead Measurement / Action Negative Lead

C930-1 Ground

Click to display connectors
LH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C963-1 Ground

Click to display connectors
RH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C964-1 Ground

Click to display connectors
Third Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C9054-1 Ground

Click to display connectors
Cargo Lamp

Positive Lead Measurement / Action Negative Lead

C489-1 Ground

Click to display connectors
Liftgate Lamp

Positive Lead Measurement / Action Negative Lead

C4777-1 Ground

Click to display connectors
Center Console Media Bin Lamp

Positive Lead Measurement / Action Negative Lead

C374-1 Ground

Click to display connectors
Center Console Rear Storage Bin

Positive Lead Measurement / Action Negative Lead

C3553-1 Ground

Click to display connectors
Second Row Console Storage Bin

Positive Lead Measurement / Action Negative Lead

C3735-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to E11

No	REPAIR the circuit.

E11 CHECK THE OVERHEAD INTERIOR LAMP GROUND CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
Overhead Console

Positive Lead Measurement / Action Negative Lead

C930-1 C930-6

Click to display connectors
LH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C963-1 C963-3

Click to display connectors
RH Second Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C964-1 C964-3

Click to display connectors
Third Row Interior Lamp

Positive Lead Measurement / Action Negative Lead

C9054-1 C9054-3

Click to display connectors
Cargo Lamp

Positive Lead Measurement / Action Negative Lead

C489-1 C489-3

Click to display connectors
Liftgate Lamp

Positive Lead Measurement / Action Negative Lead

C4777-1 C4777-3

Click to display connectors
Center Console Media Bin Lamp

Positive Lead Measurement / Action Negative Lead

C374-1 C374-2

Click to display connectors
Center Console Rear Storage Bin

Positive Lead Measurement / Action Negative Lead

C3553-1 C3553-3

Click to display connectors
Second Row Console Storage Bin

Positive Lead Measurement / Action Negative Lead

C3735-1 C3735-3

Is the voltage greater than 11 volts?

Yes

For an inoperative front interior lamp, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For all other interior lamps, INSTALL a new interior lamp.

No	REPAIR the circuit.

E12 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST F : THE BATTERY SAVER DOES NOT DEACTIVATE AFTER TIME-OUT

Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

Possible Sources

Wiring, terminals or connectors
BCM

F1 CHECK THE DEMAND LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect BCM C2280C .

Turn any demand (map or vanity mirror) lamp on.

Does the demand lamp turn on?

Yes

REPAIR the circuit.

GO to F2

F2 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST G : A WELCOME MAT LAMP IS INOPERATIVE OR ALWAYS ON

Refer to Wiring Diagrams Cell 89 for schematic and connector information. Refer to Wiring Diagrams Cell 124 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
DDM B1165:11	Left Front Puddle Lamp Output: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the DDM detects a short to ground from the puddle lamp output circuit.
DDM B1165:15	Left Front Puddle Lamp Output: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the DDM detects an open or a short to voltage from the puddle lamp output circuit.
PDM B1166:11	Right Front Puddle Lamp Output: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the PDM detects a short to ground from the puddle lamp output circuit.
PDM B1166:15	Right Front Puddle Lamp Output: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the PDM detects an open or a short to voltage from the puddle lamp output circuit.

Possible Sources

Wiring, terminals or connectors
Welcome mat lamp
Exterior mirror
DDM
PDM

Visual Inspection and Pre-checks

Inspect the exterior mirror for damage.

G1 CHECK THE OPERATION OF THE INTERIOR COURTESY LAMPS

Ignition ON.

Ignition OFF.

Open and close a door.

Observe the interior courtesy lamp operation for 30 seconds.

Do the interior courtesy lamps operate correctly?

Yes

If a welcome mat lamp is always on, GO to G2
If a welcome mat lamp is inoperative, GO to G3

No	REFER to the Interior Lamps Symptom Chart in this section and diagnose the interior courtesy lamps.

G2 CHECK THE WELCOME MAT LAMP POWER SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

Disconnect DDM C501B (LH welcome mat lamp).

Disconnect PDM C652B (RH welcome mat lamp).

Ignition ON.

Does the welcome mat lamp continue to illuminate?

Yes

REPAIR the circuit.

No	For a LH door module, GO to G9 For a RH door module, GO to G10

G3 CHECK THE MIRROR OPERATION

Ignition ON.

Using the exterior mirror control switch, operate the exterior power mirrors.

Do the exterior power mirrors operate?

Yes

GO to G4

No	REFER to: Rear View Mirrors (501-09 Rear View Mirrors, Diagnosis and Testing).

G4 CHECK FOR VOLTAGE TO THE WELCOME MAT LAMP

Ignition OFF.

Disconnect Inoperative LH Exterior Mirror C516 or RH Exterior Mirror C601 .

Ignition ON.

Open any door.

Measure:
Click to display connectors
LH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C516-4 Ground

Click to display connectors
RH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C601-4 Ground

Is the voltage greater than 11 volts?

Yes

GO to G7

GO to G5

G5 CHECK THE WELCOME MAT LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect DDM C501B (LH welcome mat lamp).

Disconnect PDM C652B (RH welcome mat lamp).

Measure:
Click to display connectors
LH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C516-4 Ground

Click to display connectors
RH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C601-4 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to G6

No	REPAIR the circuit.

G6 CHECK THE WELCOME MAT LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
LH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C516-4 C501B-5

Click to display connectors
RH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C601-4 C652B-5

Is the resistance less than 3 ohms?

Yes

For a LH door module, GO to G9
For a RH door module, GO to G10

No	REPAIR the circuit.

G7 CHECK THE WELCOME MAT LAMP RETURN CIRCUIT

Measure:
Click to display connectors
LH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C516-4 C516-16

Click to display connectors
RH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C601-4 C601-16

Is the voltage greater than 11 volts?

Yes

CHECK the exterior mirror jumper harness between the vehicle harness and the welcome mat lamp for open circuits and damaged or pushed-out pins. If the jumper harness is OK, INSTALL a new welcome mat lamp.
REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation). If the jumper harness is not OK, REPAIR the jumper harness.

GO to G8

G8 CHECK THE WELCOME MAT LAMP RETURN CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect DDM C501B (LH welcome mat lamp).

Disconnect PDM C652B (RH welcome mat lamp).

Measure:
Click to display connectors
LH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C516-16 C501B-20

Click to display connectors
RH Exterior Mirror

Positive Lead Measurement / Action Negative Lead

C601-16 C652B-20

Is the resistance less than 3 ohms?

Yes

For a LH door module, GO to G9
For a RH door module, GO to G10

No	REPAIR the circuit.

G9 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Disconnect and inspect all DDM connectors and related in-line 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 DDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new DDM.
REFER to: Driver Door Module (DDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

G10 CHECK FOR CORRECT PDM (PASSENGER DOOR MODULE) OPERATION

Disconnect and inspect all PDM connectors and related in-line 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 PDM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PDM.
REFER to: Passenger Door Module (PDM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST H : ONE OR MORE ILLUMINATED SCUFF PLATES, EXTERIOR DOOR HANDLE LEDS OR REAR PUDDLE LAMPS ARE INOPERATIVE OR ALWAYS ON

Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B12C2:11	Puddle Lamp: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the scuff plate lighting output circuit.
BCM B12C2:15	Puddle Lamp: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the scuff plate lighting output circuit.

Possible Sources

Wiring, terminals or connectors
Illuminated scuff plate
Exterior door handle LED
Rear puddle lamp
BCM

H1 CHECK THE OPERATION OF ALL THE INTERIOR COURTESY LAMPS

Open a door and observe the interior courtesy lamps.

Are all the interior courtesy lamps inoperative?

Yes

GO to Pinpoint Test A

If only one of the illuminated scuff plates are inoperative, GO to H3
If only one of the exterior door handle LEDs are inoperative, GO to H5
If only one of the rear puddle lamps are inoperative, GO to H7
If all of the illuminated scuff plates, exterior door handle LEDs and rear puddle lamps are inoperative, GO to H9
If all of the illuminated scuff plates, exterior door handle LEDs and rear puddle lamps are always on, GO to H2

H2 CHECK THE ILLUMINATED SCUFF PLATE VOLTAGE CIRCUIT FOR A SHORT TO VOLTAGE

Close the door.

Disconnect BCM C2280C .

Open the door.

Do the illuminated scuff plates, exterior door handle LEDS and rear puddle lamps continue to illuminate?

Yes

REPAIR the circuit.

GO to H11

H3 CHECK FOR VOLTAGE TO THE ILLUMINATED SCUFF PLATE

Close the door.

Disconnect Inoperative LH Scuff Plate Lamp C3369 or RH Scuff Plate Lamp C3370 .

Ignition ON.

Open a door.

Measure:
Click to display connectors
LH Scuff Plate Lamp

Positive Lead Measurement / Action Negative Lead

C3369-1 Ground

Click to display connectors
RH Scuff Plate Lamp

Positive Lead Measurement / Action Negative Lead

C3370-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to H4

No	REPAIR the circuit.

H4 CHECK THE ILLUMINATED SCUFF PLATE GROUND CIRCUIT

Measure:
Click to display connectors
LH Scuff Plate Lamp

Positive Lead Measurement / Action Negative Lead

C3369-1 C3369-2

Click to display connectors
RH Scuff Plate Lamp

Positive Lead Measurement / Action Negative Lead

C3370-1 C3370-2

Is the voltage greater than 11 volts?

Yes

INSTALL a new illuminated scuff plate.

No	REPAIR the circuit.

H5 CHECK FOR VOLTAGE TO THE EXTERIOR DOOR HANDLE LED (LIGHT EMITTING DIODE)

Close the door.

Disconnect Inoperative Exterior Door Latch Switch.

Ignition ON.

Open a door.

Measure:
Click to display connectors
LH Front Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C510-6 Ground

Click to display connectors
RH Front Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C623-6 Ground

Click to display connectors
LH Rear Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C740-6 Ground

Click to display connectors
RH Rear Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C840-6 Ground

Is the voltage greater than 11 volts?

Yes

GO to H6

No	REPAIR the circuit.

H6 CHECK THE EXTERIOR DOOR HANDLE LED (LIGHT EMITTING DIODE) GROUND CIRCUIT

Measure:
Click to display connectors
LH Front Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C510-6 C510-5

Click to display connectors
RH Front Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C623-6 C623-5

Click to display connectors
LH Rear Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C740-6 C740-5

Click to display connectors
RH Rear Exterior Door Latch Switch

Positive Lead Measurement / Action Negative Lead

C840-6 C840-5

Is the voltage greater than 11 volts?

Yes

INSTALL a new exterior door latch switch.
For a front door switch,
REFER to: Exterior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). For a rear door switch,
REFER to: Exterior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).

No	REPAIR the circuit.

H7 CHECK FOR VOLTAGE TO THE REAR PUDDLE LAMP

Close the door.

Disconnect Inoperative LH Rear Door Ambient Lamp C737 or RH Rear Door Ambient Lamp C837 .

Ignition ON.

Open a door.

Measure:
Click to display connectors
LH Rear Door Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C737-5 Ground

Click to display connectors
RH Rear Door Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C837-5 Ground

Is the voltage greater than 11 volts?

Yes

GO to H8

No	REPAIR the circuit.

H8 CHECK THE REAR PUDDLE LAMP GROUND CIRCUIT

Measure:
Click to display connectors
LH Rear Door Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C737-5 C737-4

Click to display connectors
RH Rear Door Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C837-5 C837-4

Is the voltage greater than 11 volts?

Yes

INSTALL a new rear puddle lamp.

No	REPAIR the circuit.

H9 CHECK THE ILLUMINATED SCUFF PLATES VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Close the door.

Disconnect LH Scuff Plate Lamp C3369 .

Disconnect BCM C2280C .

Measure:
Click to display connectors
LH Scuff Plate Lamp

Positive Lead Measurement / Action Negative Lead

C3369-1 C2280C-26

Is the resistance less than 3 ohms?

Yes

GO to H10

No	REPAIR the circuit.

H10 CHECK THE ILLUMINATED SCUFF PLATE LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND

Disconnect RH Scuff Plate Lamp C3370 .

Disconnect LH Rear Door Ambient Lamp C737 .

Disconnect RH Rear Door Ambient Lamp C837 .

Disconnect LH Front Exterior Door Latch Switch C510 .

Disconnect RH Front Exterior Door Latch Switch C623 .

Disconnect LH Rear Exterior Door Latch Switch C740 .

Disconnect RH Rear Exterior Door Latch Switch C840 .

Measure:
Click to display connectors
LH Scuff Plate Lamp

Positive Lead Measurement / Action Negative Lead

C2280C-26 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to H11

H11 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST I : THE AMBIENT LIGHTING IS INOPERATIVE OR ALWAYS ON

Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B145C:11	Ambient Lighting Power Supply Output: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the ambient light module conditioned power supply output circuit.
BCM B145C:15	Ambient Lighting Power Supply Output: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the ambient light module conditioned power supply output circuit.
BCM B1465:00	Ambient Lighting Bus 1: No Sub Type Information	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.
BCM B1465:96	Ambient Lighting Bus 1: Component Internal Failure	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.
BCM B1467:00	Ambient Lighting Bus 3: No Sub Type Information	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.
BCM B1467:96	Ambient Lighting Bus 3: Component Internal Failure	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.
BCM B153C:11	Color Ambient Light Output: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the ambient light module conditioned power supply output circuit.
BCM B153C:15	Color Ambient Light Output: Circuit Short To Battery Or Open	A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the ambient light module conditioned power supply output circuit.

Possible Sources

Wiring, terminals or connectors
FDIM
BCM

I1 CHECK THE FDIM (FRONT DISPLAY INTERFACE MODULE) AUDIO CONTROLS

Ignition ON.

Check the operation of the audio system using the FDIM (touchscreen) controls.

Does the audio system operate correctly from the touchscreen controls?

Yes

GO to I2

No	REFER to: Information and Entertainment System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).

I2 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODE (DTCS)

Using a diagnostic scan tool, perform the BCM self-test.

Is DTC B1465:00, B1465:96, B1467:00, B1467:96, B145C:11, B145C:15, B153C:11 or B153C:15 present?

Yes

For DTC B1465:00 and B1465:96, GO to I3
For DTC B1467:00 and B1467:96, GO to I7
For DTC B145C:11 and B153C:11, GO to I11
For DTC B145C:15 and B153C:15, GO to I12

GO to I14

I3 CHECK THE DOOR AND REAR FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect BCM C2280E .

Disconnect BCM C2280C .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280E-38 Ground

Is voltage present?

Yes

REPAIR the circuit.

GO to I4

I4 CHECK THE DOOR AND REAR FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect LH Front Door LED C573 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C573-1 C2280E-38

Is the resistance less than 3 ohms?

Yes

GO to I5

No	REPAIR the circuit.

I5 CHECK THE DOOR AND REAR FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND

Disconnect RH Front Door LED C649 .

Disconnect LH Rear Door LED C737 .

Disconnect RH Rear Door LED C837 .

Disconnect LH Rear Footwell Lamp C3458 .

Disconnect RH Rear Footwell Lamp C3457 .

Disconnect Second Row Console Cup Holder Ambient Lamp C3790 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C573-1 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to I6

I6 CHECK THE DOOR AND REAR FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO THE VOLTAGE SUPPLY CIRCUIT

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280E-38 C2280C-4

Is the resistance greater than 10,000 ohms?

Yes

GO to I14

No	REPAIR the circuit.

I7 CHECK THE FRONT FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect BCM C2280B .

Disconnect BCM C2280C .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280B-13 Ground

Is voltage present?

Yes

REPAIR the circuit.

GO to I8

I8 CHECK THE FRONT FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect LH Front Footwell Lamp C209 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280B-13 C209-2

Is the resistance less than 3 ohms?

Yes

GO to I9

No	REPAIR the circuit.

I9 CHECK THE FRONT FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND

Disconnect RH Front Footwell Lamp C266 .

Disconnect Center Console Cup Holder Ambient Lamp C3349 .

Disconnect Center Console Pass Thru Ambient Lamp C3554 .

Disconnect LH Instrument Panel Ambient Lamp C2450 .

Disconnect RH Instrument Panel Ambient Lamp C2476 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280B-13 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to I10

I10 CHECK THE FRONT FOOTWELL AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO THE VOLTAGE SUPPLY CIRCUIT

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280B-13 C2280C-4

Is the resistance greater than 10,000 ohms?

Yes

GO to I14

No	REPAIR the circuit.

I11 CHECK THE AMBIENT LIGHTING VOLTAGE CIRCUIT FOR A SHORT TO GROUND

Disconnect BCM C2280C .

Disconnect LH Front Door LED C573 .

Disconnect RH Front Door LED C649 .

Disconnect LH Rear Door LED C737 .

Disconnect RH Rear Door LED C837 .

Disconnect LH Front Footwell Lamp C209 .

Disconnect RH Front Footwell Lamp C266 .

Disconnect LH Rear Footwell Lamp C3458 .

Disconnect RH Rear Footwell Lamp C3457 .

Disconnect Center Console Cup Holder Ambient Lamp C3349 .

Disconnect Center Console Pass Thru Ambient Lamp C3554 .

Disconnect Second Row Console Cup Holder Ambient Lamp C3790 .

Disconnect LH Instrument Panel Ambient Lamp C2450 .

Disconnect RH Instrument Panel Ambient Lamp C2476 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280C-4 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to I14

I12 CHECK THE AMBIENT LIGHTING VOLTAGE CIRCUIT FOR AN OPEN

Disconnect BCM C2280C .

Disconnect LH Front Footwell Lamp C209 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280C-4 C209-1

Is the resistance greater than 10,000 ohms?

Yes

GO to I13

No	REPAIR the circuit.

I13 CHECK THE AMBIENT LIGHTING VOLTAGE CIRCUIT FOR A SHORT TO VOLTAGE

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280C-4 Ground

Is voltage present?

Yes

REPAIR the circuit.

GO to I14

I14 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

PINPOINT TEST J : ONE OR MORE OF THE AMBIENT LIGHTING LIGHT EMITTING DIODES (LEDS) ARE INOPERATIVE OR DO NOT CHANGE COLOR/INTENSITY

Refer to Wiring Diagrams Cell 89 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B1465:00	Ambient Lighting Bus 1: No Sub Type Information	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.
BCM B1465:96	Ambient Lighting Bus 1: Component Internal Failure	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.
BCM B1467:00	Ambient Lighting Bus 3: No Sub Type Information	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.
BCM B1467:96	Ambient Lighting Bus 3: Component Internal Failure	A continuous memory DTC that sets when the BCM detects a fault on an ambient lighting LIN circuit.

Possible Sources

Wiring, terminals or connectors
Ambient lighting LED
BCM

J1 CHECK THE AMBIENT LIGHTING LIGHT EMITTING DIODES (LEDS)

Ignition ON.

Place the headlamp switch in the PARKING LAMPS position.

Observe the operation of all the ambient lighting Light Emitting Diodes (LEDs).

Are all the front door, rear door, floor console and footwell ambient lighting Light Emitting Diodes (LEDs) inoperative?

Yes

GO to Pinpoint Test I

GO to J2

J2 CHECK FOR VOLTAGE TO THE LED (LIGHT EMITTING DIODE)

Ignition OFF.

Disconnect Inoperative ambient lighting LED .

Ignition ON.

Place the headlamp switch in the PARKLAMPS position.

Measure:
Click to display connectors
LH Instrument Panel Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C2450-1 Ground

Click to display connectors
RH Instrument Panel Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C2476-1 Ground

Click to display connectors
Center Console Cup Holder Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3349-1 Ground

Click to display connectors
Center Console Pass Thru Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3554-1 Ground

Click to display connectors
Second Row Console Cup Holder Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3790-1 Ground

Click to display connectors
LH Front Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C209-1 Ground

Click to display connectors
RH Front Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C266-1 Ground

Click to display connectors
LH Rear Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C3458-1 Ground

Click to display connectors
RH Rear Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C3457-1 Ground

Click to display connectors
LH Front Door LED

Positive Lead Measurement / Action Negative Lead

C573-3 Ground

Click to display connectors
RH Front Door LED

Positive Lead Measurement / Action Negative Lead

C649-3 Ground

Click to display connectors
LH Rear Door LED

Positive Lead Measurement / Action Negative Lead

C737-3 Ground

Click to display connectors
RH Rear Door LED

Positive Lead Measurement / Action Negative Lead

C837-3 Ground

Is the voltage greater than 11 volts?

Yes

GO to J3

No	REPAIR the LED voltage supply circuit in question.

J3 CHECK THE LED (LIGHT EMITTING DIODE) GROUND CIRCUIT FOR AN OPEN

Measure:
Click to display connectors
LH Instrument Panel Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C2450-1 C2450-3

Click to display connectors
RH Instrument Panel Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C2476-1 C2476-3

Click to display connectors
Center Console Cup Holder Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3349-1 C3349-3

Click to display connectors
Center Console Pass Thru Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3554-1 C3554-3

Click to display connectors
Second Row Console Cup Holder Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3790-1 C3790-3

Click to display connectors
LH Front Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C209-1 C209-3

Click to display connectors
RH Front Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C266-1 C266-3

Click to display connectors
LH Rear Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C3458-1 C3458-3

Click to display connectors
RH Rear Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C3457-1 C3457-3

Click to display connectors
LH Front Door LED

Positive Lead Measurement / Action Negative Lead

C573-3 C573-4

Click to display connectors
RH Front Door LED

Positive Lead Measurement / Action Negative Lead

C649-3 C649-4

Click to display connectors
LH Rear Door LED

Positive Lead Measurement / Action Negative Lead

C737-3 C737-4

Click to display connectors
RH Rear Door LED

Positive Lead Measurement / Action Negative Lead

C837-3 C837-4

Is the voltage greater than 11 volts?

Yes

GO to J4

No	REPAIR the ground circuit in question.

J4 CHECK THE AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN

Ignition OFF.

Place the headlamp switch in the OFF position.

Disconnect BCM C2280E (Door, Rear Footwell and Second Row Console Light Emitting Diodes (LEDs)).

Disconnect BCM C2280B (Front Footwell, Instrument Panel and Center Console Light Emitting Diodes (LEDs)).

Measure:
Click to display connectors
LH Instrument Panel Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C2450-2 C2280B-13

Click to display connectors
RH Instrument Panel Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C2476-2 C2280B-13

Click to display connectors
Center Console Cup Holder Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3349-2 C2280B-13

Click to display connectors
Center Console Pass Thru Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3554-2 C2280B-13

Click to display connectors
Second Row Console Cup Holder Ambient Lamp

Positive Lead Measurement / Action Negative Lead

C3790-2 C2280E-38

Click to display connectors
LH Front Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C209-2 C2280B-13

Click to display connectors
RH Front Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C266-2 C2280B-13

Click to display connectors
LH Rear Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C3458-2 C2280E-38

Click to display connectors
RH Rear Footwell Lamp

Positive Lead Measurement / Action Negative Lead

C3457-2 C2280E-38

Click to display connectors
LH Front Door LED

Positive Lead Measurement / Action Negative Lead

C573-1 C2280E-38

Click to display connectors
RH Front Door LED

Positive Lead Measurement / Action Negative Lead

C649-1 C2280E-38

Click to display connectors
LH Rear Door LED

Positive Lead Measurement / Action Negative Lead

C737-1 C2280E-38

Click to display connectors
RH Rear Door LED

Positive Lead Measurement / Action Negative Lead

C837-1 C2280E-38

Is the resistance less than 3 ohms?

Yes

INSTALL a new ambient lighting LED in question.

No	REPAIR the circuit.

PINPOINT TEST K : THE COURTESY LAMPS DO NOT ILLUMINATE WITH THE LIFTGATE OPEN

Refer to Wiring Diagrams Cell 109 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Interior Lighting - Overview (417-02 Interior Lighting, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B1306:01	Liftgate Ajar Switch: General Electrical Failure	An on-demand DTC that sets when the BCM detects a fault on the liftgate ajar circuit.
BCM B1306:11	Liftgate Ajar Switch: Circuit Short To Ground	A continuous memory and on-demand DTC that sets when the RGTM detects a short to ground on the liftgate ajar output circuit.

Possible Sources

Wiring, terminals or connectors
RGTM
BCM

K1 CHECK THE COURTESY LAMP OPERATION FROM ANY DOOR

Ignition OFF.

Open any door and observe the courtesy lamps.

Do the courtesy lamps illuminate?

Yes

GO to K2

No	GO to Pinpoint Test A

K2 CHECK THE RGTM (REAR GATE TRUNK MODULE)

Disconnect RGTM C4174A .

Do the courtesy lamps illuminate?

Yes

GO to K4

GO to K3

K3 CHECK THE LIFTGATE AJAR INPUT CIRCUIT FOR A SHORT TO GROUND

Disconnect BCM C2280E .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280E-34 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to K5

No	REPAIR the circuit.

K4 CHECK FOR CORRECT RGTM (REAR GATE TRUNK MODULE) OPERATION

Disconnect and inspect all RGTM connectors and related in-line 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 RGTM connectors and related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RGTM.
REFER to: Rear Gate Trunk Module (RGTM) (501-03 Body Closures, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

K5 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all BCM connectors and related in-line 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 related in-line connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCM.
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).

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. CLEAR the Diagnostic Trouble Codes (DTCs).

Description and Operation - Interior Lighting - System Operation and Component Description

System Operation System Diagram Item Description 1 Rear footwell ambient lighting LEDs 2 LIN 3 DDM 4 LH welcome mat lamp 5 RH welcome mat lamp 6 PDM 7 Front cup holder lighting LEDs 8 Front footwell ambient lighting LEDs 9 Rear door ambient lighting LEDs 10 HS-CAN1 11 APIM 12 HS-CAN3 13 FDIM 14 GWM 15 MS-CAN 16 Liftgate lamp 17 Vanity mirror lamps 18 Glove compartment lamp 19 Console/bin lamps 20 LH second row interior lamp 21 RH second row interior lamp 22 Cargo lamp 23 Third row interior lamp 24 LIN 25 Overhead console 26 RGTM 27 LIN 28 Headlamp switch 29 Scuff plate lamps 30 Second row cup holder lighting LEDs 31 Front door ambient lighting LEDs 32 Instrument panel ambient lamps 33 Center console pass thru ambient lamp 34 Door latch control modules 35 Door ajar switch 36 Rear door puddle lamps 37 LIN 38 BCM 39 Exterior door handle LEDs Network Message Chart DDM And PDM Network Input Messages Broadcast Message Originating Module Message Purpose Welcome mat lamp activation GWM Provides welcome mat lamp request from the GWM to activate the exterior mirror welcome mat lamps...

Electrical Distribution

Other information:

Lincoln Aviator 2020-2024 Service Manual: Description and Operation - Passive Anti-Theft System (PATS) - Overview

Overview NOTE: This section only describes and diagnosis the Phone as a Key system. In order for the Phone as a Key system to operate, the PATS system must be functioning correctly. For more information about the PATS system Refer to: Passive Anti-Theft System (PATS) - System Operation and Component Description (419-01B Passive Anti-Theft System (PATS), Description and Operation)...

Lincoln Aviator 2020-2024 Service Manual: Removal and Installation - Back Panel and Reinforcement

Special Tool(s) / General Equipment Resistance Spotwelding Equipment Scraper for Straight Edges Grinder Hot Air Gun 8 mm Drill Bit MIG/MAG Welding Equipment Spot Weld Drill Bit Locking Pliers Materials Name Specification Metal Bonding AdhesiveTA-1, TA-1-B, 3M™ 08115, LORD Fusor® 108B - Seam SealerTA-2-B, 3M™ 08308, LORD Fusor® 803DTM - Flexible Foam Repair3M™ 08463, LORD Fusor® 121 - Removal WARNING: Electric vehicles damaged by a crash may have compromised high voltage safety systems and present a potential high voltage electrical shock hazard...

Fastening the Seatbelts

The front outboard and rear safety restraints in the vehicle are combination lap and shoulder belts.

Insert the belt tongue into the proper buckle (the buckle closest to the direction the tongue is coming from) until you hear a snap and feel it latch. Make sure that you securely fasten the tongue in the buckle.

Lincoln Aviator. Fastening the Seatbelts

To unfasten, press the release button and remove the tongue from the buckle.

Lincoln Aviator: Interior Lighting / Diagnosis and Testing - Interior Lighting

Description and Operation - Interior Lighting - System Operation and Component Description

Electrical Distribution

Other information:

Lincoln Aviator 2020-2024 Service Manual: Description and Operation - Passive Anti-Theft System (PATS) - Overview

Lincoln Aviator 2020-2024 Service Manual: Removal and Installation - Back Panel and Reinforcement

Categories

Fastening the Seatbelts