Lincoln Nautilus Manuals

Lincoln Nautilus: Interior Lighting / Interior Lighting. Diagnosis and Testing

Lincoln Nautilus 2018-2025 Service Manual / Electrical / Lighting / Interior Lighting / Interior Lighting. Diagnosis and Testing

DTC Chart: BCM

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


  DTC Description Action
B1175:01 Driver Door Ajar Switch: General Electrical Failure
  • If the courtesy lamps are always on, GO to Pinpoint Test C
  • If the courtesy lamps are inoperative, GO to Pinpoint Test A
B1176:01 Passenger Door Ajar Switch: General Electrical Failure
  • If the courtesy lamps are always on, GO to Pinpoint Test C
  • If the courtesy lamps are inoperative, GO to Pinpoint Test A
B11C0:01 Driver Side Rear Door Ajar Switch: General Electrical Failure
  • If the courtesy lamps are always on, GO to Pinpoint Test C
  • If the courtesy lamps are inoperative, GO to Pinpoint Test A
B11C1:01 Passenger Side Rear Door Ajar Switch: General Electrical Failure
  • If the courtesy lamps are always on, GO to Pinpoint Test C
  • If the courtesy lamps are inoperative, GO to Pinpoint Test A
B12C2:11 Puddle Lamp: Circuit Short To Ground   GO to Pinpoint Test B
B12C2:15 Puddle Lamp: Circuit Short To Battery or Open
  • If the illuminated scuff plates are always on, GO to Pinpoint Test D
  • If one or both illuminated scuff plates are inoperative, GO to Pinpoint Test B
B1313:11 Interior Lighting Output: Circuit Short To Ground   GO to Pinpoint Test B
B1313:15 Interior Lighting Output: Circuit Short To Battery or Open
  • If the courtesy lamps are always on, GO to Pinpoint Test D
  • If the courtesy lamps are inoperative, GO to Pinpoint Test B
B145C:11 Ambient Lighting Power Supply Output: Circuit Short To Ground   GO to Pinpoint Test H
B145C:15 Ambient Lighting Power Supply Output: Circuit Short To Battery or Open   GO to Pinpoint Test H
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 H
  • If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity, GO to Pinpoint Test I
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 H
  • If one or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity, GO to Pinpoint Test I
B14AA:11 Demand Lamp Output: Circuit Short To Ground   GO to Pinpoint Test E
B14AA:15 Demand Lamp Output: Circuit Short To Battery or Open   GO to Pinpoint Test E

DTC Chart: DDM

  DDM DTC Chart


  DTC Description Action
B1165:11 Left Front Puddle Lamp Output: Circuit Short To Ground   GO to Pinpoint Test G
B1165:15 Left Front Puddle Lamp Output: Circuit Short To Battery Or Open   GO to Pinpoint Test G

DTC Chart: PDM

  PDM DTC Chart


  DTC Description Action
B1166:11 Right Front Puddle Lamp Output: Circuit Short To Ground   GO to Pinpoint Test G
B1166:15 Right Front Puddle Lamp Output: Circuit Short To Battery Or Open   GO to Pinpoint Test G

DTC Chart: RGTM

  RGTM DTC Chart


  DTC Description Action
B1306:11 Liftgate Ajar Switch: Circuit Short To Ground   GO to Pinpoint Test J
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

  Symptom Chart


Condition Possible Sources Actions
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 J
A puddle lamp is inoperative or always on Refer to the Pinpoint Test   GO to Pinpoint Test G
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 H
One or more of the ambient lighting Light Emitting Diodes (LEDs) are inoperative or do not change color/intensity Refer to the Pinpoint Test

NOTE: If only a single interior door ambient lighting point is inoperative or does not change color/intensity, INSTALL a new door ambient lighting harness.

  GO to Pinpoint Test I

Pinpoint Tests

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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
B1175:01 Driver 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.
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.
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.
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
  • BCM

PINPOINT TEST A: THE COURTESY LAMPS DO NOT ILLUMINATE WITH A DOOR OPEN
A1 CHECK THE OPERATION OF THE COURTESY LAMP FUNCTION FROM THE FRONT/DRIVER INTERIOR LAMP

NOTE: Verify the Door Defeat function has not been enabled before continuing with this step.

  • 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 THE DOOR AJAR SWITCH OPERATION
  • Deactivate the overhead courtesy lamps from the front interior lamp.
  • Disconnect suspect door latch.

Do the courtesy lamps illuminate?
Yes 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 GO to A3

A3 CHECK THE DOOR AJAR SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND
  • Disconnect BCM C2280D .
  • Disconnect GSM C3532 (for LH front door ajar switch).
  • Measure:
    Click to display connectors

      LH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C525-3   Ground

    Click to display connectors

      RH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C609-6   Ground

    Click to display connectors

      LH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C705-3   Ground

    Click to display connectors

      RH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C805-6   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to A4
No REPAIR the circuit.

A4 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).


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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
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 and exterior door handle lighting output circuit.
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 and exterior door handle lighting output circuit.
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.
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

PINPOINT TEST B: ONE OR MORE INTERIOR COURTESY LAMPS ARE INOPERATIVE
B1 CHECK THE OPERATION OF ALL THE INTERIOR COURTESY LAMPS

NOTE: Verify the Door Defeat function has not been enabled before continuing with this step.

  • Open a door and observe the interior courtesy lamps.

Are all the interior courtesy lamps inoperative?
Yes GO to Pinpoint Test A
No If only the LH luggage compartment or liftgate cargo lamps are inoperative, GO to B2
If only one of the illuminated scuff plates or exterior door handles are inoperative,GO to B6
If all of the illuminated scuff plates and exterior door handles are inoperative, GO to B8
If both the front and rear interior lamp(s), the LH luggage compartment lamp and the liftgate cargo lamp are inoperative (North America), GO to B10
If both the front and rear interior lamp(s) only are inoperative, GO to B14
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). For vehicles without a vista roof, if the rear interior lamp is inoperative, GO to B16
For vehicles with a vista roof, if both rear interior lamps are inoperative, GO to B18

B2 CHECK FOR VOLTAGE TO THE LH (LEFT-HAND) LUGGAGE COMPARTMENT OR LIFTGATE CARGO LAMP
  • Close the door.
  • Disconnect Inoperative LH Luggage Compartment Lamp C428 or Liftgate Cargo Lamp C4403 .
  • Ignition ON.
  • Open a door.
  • Measure:
    Click to display connectors

      LH Luggage Compartment Lamp


    Positive Lead Measurement / Action Negative Lead
      C428-1   Ground

    Click to display connectors

      Liftgate Cargo Lamp


    Positive Lead Measurement / Action Negative Lead
      C4403-1   Ground

Is the voltage greater than 11 volts?
Yes GO to B3
No If only one lamp is inoperative, REPAIR the circuit.
If both lamps are inoperative, GO to B4

B3 CHECK THE LH (LEFT-HAND) LUGGAGE COMPARTMENT OR LIFTGATE CARGO LAMP GROUND CIRCUIT
  • Measure:
    Click to display connectors

      LH Luggage Compartment Lamp


    Positive Lead Measurement / Action Negative Lead
      C428-1   C428-3

    Click to display connectors

      Liftgate Cargo Lamp


    Positive Lead Measurement / Action Negative Lead
      C4403-1   C4403-3

Is the voltage greater than 11 volts?
Yes INSTALL a new LH luggage compartment or liftgate cargo lamp.
No REPAIR the circuit.

B4 CHECK THE LUGGAGE COMPARTMENT AND LIFTGATE CARGO LAMPS VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors

      LH Luggage Compartment Lamp


    Positive Lead Measurement / Action Negative Lead
      C428-1   C2280F-13

Is the resistance less than 3 ohms?
Yes GO to B5
No REPAIR the circuit.

B5 CHECK THE LUGGAGE COMPARTMENT AND LIFTGATE CARGO LAMPS VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Measure:
    Click to display connectors

      LH Luggage Compartment Lamp


    Positive Lead Measurement / Action Negative Lead
      C428-1   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to B21
No REPAIR the circuit.

B6 CHECK FOR VOLTAGE TO THE ILLUMINATED SCUFF PLATE OR EXTERIOR DOOR HANDLE LAMPS
  • Close the door.
  • Disconnect Inoperative Scuff Plate Lamp or Exterior Door Handle.
  • Ignition ON.
  • Open a door.
  • For an inoperative scuff plate lamp, measure:
    Click to display connectors

      LH Scuff Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C3251-1   Ground

    Click to display connectors

      RH Scuff Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C3250-1   Ground
  • For an inoperative exterior door handle lamp, measure:
    Click to display connectors

      LH Front Door Handle Lamp


    Positive Lead Measurement / Action Negative Lead
      C543-4   Ground

    Click to display connectors

      RH Front Door Handle Lamp


    Positive Lead Measurement / Action Negative Lead
      C634-4   Ground

    Click to display connectors

      LH Rear Door Handle Lamp


    Positive Lead Measurement / Action Negative Lead
      C729-3   Ground

    Click to display connectors

      RH Rear Door Handle Lamp


    Positive Lead Measurement / Action Negative Lead
      C831-3   Ground

Is the voltage greater than 11 volts?
Yes For an inoperative scuff plate lamp, GO to B7
For an inoperative exterior front door handle lamp, INSTALL a new exterior front door handle.
REFER to: Exterior Front Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation). For an inoperative front exterior rear door handle lamp, INSTALL a new exterior rear door handle.
REFER to: Exterior Rear Door Handle (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).
No REPAIR the circuit.

B7 CHECK THE ILLUMINATED SCUFF PLATE LAMPS GROUND CIRCUIT
  • Measure:
    Click to display connectors

      LH Scuff Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C3251-1   C3251-3

    Click to display connectors

      RH Scuff Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C3250-1   C3250-3

Is the voltage greater than 11 volts?
Yes INSTALL a new illuminated scuff plate.
No REPAIR the circuit.

B8 CHECK THE ILLUMINATED SCUFF PLATES AND EXTERIOR DOOR HANDLE LAMPS VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Close the door.
  • Disconnect LH Scuff Plate Lamp C3251 .
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors

      LH Scuff Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C3251-1   C2280F-26

Is the resistance less than 3 ohms?
Yes GO to B9
No REPAIR the circuit.

B9 CHECK THE ILLUMINATED SCUFF PLATES AND EXTERIOR DOOR HANDLE LAMPS VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Measure:
    Click to display connectors

      LH Scuff Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C3251-1   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to B21
No 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).

B10 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
      C930-11   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).
No GO to B11

B11 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
      C930-11   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).
No GO to B12

B12 CHECK THE BCM (BODY CONTROL MODULE) COURTESY LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND
  • Disconnect LH Luggage Compartment Lamp C428 .
  • Disconnect Liftgate Cargo Lamp C4403 .
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C930-11   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to B13
No 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).

B13 CHECK THE BCM (BODY CONTROL MODULE) COURTESY LAMP OUTPUT CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C930-11   C2280F-13

Is the resistance less than 3 ohms?
Yes GO to B21
No REPAIR the circuit.

B14 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

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-11   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-7   Ground

Is the voltage greater than 11 volts?
Yes GO to B15
No REPAIR the circuit.

B15 CHECK THE FRONT COURTESY LAMP GROUND CIRCUIT
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-11   C930-1

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-7   C930-6

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).
No REPAIR the circuit.

B16 CHECK FOR VOLTAGE TO THE REAR COURTESY LAMP
  • Close the door.
  • Disconnect For vehicles without Vista Roof, Rear Interior Lamp C901 .
  • Disconnect For vehicles with Vista Roof, Inoperative LH Rear Interior Lamp C963 or RH Rear Interior Lamp C964 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Rear Interior Lamp, Vehicles without Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C901-1   Ground

    Click to display connectors

      LH Rear Interior Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C963-1   Ground

    Click to display connectors

      RH Rear Interior Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C964-1   Ground

Is the voltage greater than 11 volts?
Yes GO to B17
No REPAIR the circuit.

B17 CHECK THE REAR COURTESY LAMP GROUND CIRCUIT
  • Measure:
    Click to display connectors

      Rear Interior Lamp, Vehicles without Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C901-1   C901-5

    Click to display connectors

      LH Rear Interior Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C963-1   C963-3

    Click to display connectors

      RH Rear Interior Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C964-1   C964-3

Is the voltage greater than 11 volts?
Yes GO to B18
No REPAIR the circuit.

B18 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect Overhead Console C930 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-5   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-3   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to B19

B19 CHECK THE REAR LAMP CONTROL CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors

      Rear Interior Lamp, Vehicles without Vista Roof (North America)


    Positive Lead Measurement / Action Negative Lead
      C901-6   C930-5

    Click to display connectors

      LH Rear Interior Lamp, Vehicles with Vista Roof (North America)


    Positive Lead Measurement / Action Negative Lead
      C963-2   C930-5

    Click to display connectors

      LH Rear Interior Lamp, Vehicles with Vista Roof (China)


    Positive Lead Measurement / Action Negative Lead
      C963-2   C930-3

    Click to display connectors

      RH Rear Interior Lamp, Vehicles with Vista Roof (North America)


    Positive Lead Measurement / Action Negative Lead
      C964-2   C930-5

    Click to display connectors

      RH Rear Interior Lamp, Vehicles with Vista Roof (China)


    Positive Lead Measurement / Action Negative Lead
      C964-2   C930-3

Is the resistance less than 3 ohms?
Yes GO to B20
No REPAIR the circuit.

B20 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-5   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-3   Ground

Is the resistance greater than 10,000 ohms?
Yes For vehicles not equipped with a vista roof, INSTALL a new rear interior lamp. If the condition is still present, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For vehicles equipped with a vista roof, if both rear interior lamps are inoperative, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For vehicles equipped with a vista roof, if only one rear interior lamp is inoperative, INSTALL a new rear interior lamp.
No REPAIR the circuit.

B21 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).


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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  BCM DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
B1175:01 Driver 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.
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.
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.
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.

  RGTM DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
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
  • BCM

PINPOINT TEST C: ALL THE COURTESY LAMPS STAY ON CONTINUOUSLY
C1 CHECK THE DOOR AJAR SWITCH PARAMETER IDENTIFICATIONS (PIDS)
  • Ignition ON.
  • Using a diagnostic scan tool, view BCM Parameter Identifications (PIDs).
  • Monitor the BCM DOOR_SW_DRVR, DOOR_SW_PSGR, DOOR_SW_LR, DOOR_SW_RR and DOOR_SW_LUGG Parameter Identifications (PIDs) while opening and closing all the doors and liftgate.

Do all the door ajar switch PID values agree with the door and liftgate positions?
Yes For the interior courtesy lamps, GO to Pinpoint Test D
For the puddle lamps, GO to Pinpoint Test G
No GO to C2

C2 BYPASS THE SUSPECT DOOR LATCH
  • Disconnect suspect door latch.
  • Connect a fused jumper wire:
    Click to display connectors

      LH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C525-3   C525-5

    Click to display connectors

      RH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C609-6   C609-4

    Click to display connectors

      LH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C705-3   C705-5

    Click to display connectors

      RH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C805-6   C805-4

    Click to display connectors

      Liftgate Ajar Switch (with power liftgate)


    Positive Lead Measurement / Action Negative Lead
      C4174B-21   Ground
  • Using a diagnostic scan tool, view BCM Parameter Identifications (PIDs).
  • Monitor the BCM DOOR_SW_DRVR, DOOR_SW_PSGR, DOOR_SW_LR, DOOR_SW_RR and DOOR_SW_LUGG Parameter Identifications (PIDs).

Does the PID indicate the liftgate or door in question is closed?
Yes REMOVE the fused jumper wire.
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). For the power liftgate, GO to C5
No REMOVE the fused jumper wire.
For the power liftgate, GO to C4
For all doors. GO to C3

C3 BYPASS THE SUSPECT DOOR LATCH GROUND
  • Disconnect suspect door latch.
  • Connect a fused jumper wire:
    Click to display connectors

      LH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C525-3   Ground

    Click to display connectors

      RH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C609-6   Ground

    Click to display connectors

      LH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C705-3   Ground

    Click to display connectors

      RH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C805-6   Ground
  • Using a diagnostic scan tool, view BCM Parameter Identifications (PIDs).
  • Monitor the BCM DOOR_SW_DRVR, DOOR_SW_PSGR, DOOR_SW_LR, and DOOR_SW_RR Parameter Identifications (PIDs).

Does the PID indicate the door in question is closed?
Yes REMOVE the fused jumper wire. REPAIR the circuit in question.
No REMOVE the fused jumper wire. GO to C4

C4 CHECK THE SUSPECT DOOR AJAR SWITCH INPUT CIRCUIT FOR AN OPEN
  • Disconnect BCM C2280D .
  • Measure:
    Click to display connectors

      LH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C525-3   C2280D-33

    Click to display connectors

      RH Front Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C609-6   C2280D-21

    Click to display connectors

      LH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C705-3   C2280D-46

    Click to display connectors

      RH Rear Door Ajar Switch


    Positive Lead Measurement / Action Negative Lead
      C805-6   C2280D-19

    Click to display connectors

      Liftgate Ajar Switch (with power liftgate)


    Positive Lead Measurement / Action Negative Lead
      C4174B-21   C2280D-34

Is the resistance less than 3 ohms?
Yes GO to C6
No REPAIR the door ajar input circuit in question.

C5 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).

C6 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).


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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
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.
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 and exterior door handle lighting output circuit.

Possible Sources

  • Wiring, terminals or connectors
  • Interior lamp
  • BCM

PINPOINT TEST D: THE INTERIOR COURTESY LAMPS STAY ON CONTINUOUSLY
D1 CHECK THE DOOR AJAR SWITCH PARAMETER IDENTIFICATIONS (PIDS)
  • Ignition ON.
  • Using a scan tool, monitor the BCM Parameter Identifications (PIDs).
  • Monitor the BCM DOOR_SW_DRVR, DOOR_SW_PSGR, DOOR_SW_LR, DOOR_SW_RR and DOOR_SW_LUGG Parameter Identifications (PIDs) while opening and closing all the doors and liftgate.

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 C2280F .
  • Ignition ON.

Do the interior courtesy lamps continue to illuminate?
Yes For LH luggage compartment lamp and liftgate cargo lamp, 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 lamp(s) only, GO to D3
For illuminated front scuff plates and exterior door handle lamps only, REPAIR the circuit for a short to voltage.
No GO to D6

D3 CHECK THE REAR LAMP CONTROL CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect Overhead Console C930 .
  • Disconnect For vehicles without Vista Roof, Rear Interior Lamp C901 .
  • Disconnect For vehicles with Vista Roof, LH Rear Interior Lamp C963 and RH Rear Interior Lamp C964 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-5   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-3   Ground

Is any voltage present?
Yes REPAIR the circuit.
No GO to D4

D4 CHECK THE REAR LAMP CONTROL CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors

      Rear Interior Lamp, Vehicles without Vista Roof (North America)


    Positive Lead Measurement / Action Negative Lead
      C901-6   C930-5

    Click to display connectors

      LH Rear Interior Lamp, Vehicles with Vista Roof (North America)


    Positive Lead Measurement / Action Negative Lead
      C963-2   C930-5

    Click to display connectors

      LH Rear Interior Lamp, Vehicles with Vista Roof (China)


    Positive Lead Measurement / Action Negative Lead
      C963-2   C930-3

    Click to display connectors

      RH Rear Interior Lamp, Vehicles with Vista Roof (North America)


    Positive Lead Measurement / Action Negative Lead
      C964-2   C930-5

    Click to display connectors

      RH Rear Interior Lamp, Vehicles with Vista Roof (China)


    Positive Lead Measurement / Action Negative Lead
      C964-2   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

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-5   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-3   Ground

Is the resistance greater than 10,000 ohms?
Yes For vehicles not equipped with a vista roof, INSTALL a new rear interior lamp. If the condition is still present, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For vehicles equipped with a vista roof, if both rear interior lamps are inoperative, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For vehicles equipped with a vista roof, 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).


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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
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.
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 Diagnostic Pre-checks

  • Inspect the interior lamps for damage.

PINPOINT TEST E: ONE OR MORE DEMAND LAMPS ARE INOPERATIVE
E1 CHECK THE DEMAND LAMP OPERATION
  • Ignition ON.
  • Check the operation of the LH vanity mirror, RH vanity mirror, overhead map and glove compartment lamps.

Do any of the LH vanity mirror, RH vanity mirror, overhead map or glove compartment lamps 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 map lamp is inoperative, GO to E10
No GO to E2

E2 CHECK FOR VOLTAGE TO THE OVERHEAD INTERIOR LAMP
  • Ignition OFF.
  • Disconnect Overhead Console C930 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-12   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-1   Ground

Is the voltage greater than 11 volts?
Yes GO to E11
No GO to E3

E3 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE OVERHEAD INTERIOR 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

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-12   Ground

    Click to display connectors

      Overhead Console (China)


    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).
No GO to E4

E4 CHECK THE BCM (BODY CONTROL MODULE) DEMAND LAMP OUTPUT CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-12   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-1   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to E5
No 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).

E5 CHECK THE BCM (BODY CONTROL MODULE) DEMAND LAMP OUTPUT CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-12   C2280F-14

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-1   C2280F-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 Inoperative Overhead Console C930 .
  • Disconnect For vehicles without a vista roof, Inoperative Rear Interior Lamp C901 .
  • Disconnect For vehicles with a vista roof, Inoperative LH Rear Interior Lamp C963 or Inoperative RH Rear Interior Lamp C964 .
  • Ignition ON.
  • Measure:
    Click to display connectors

      Overhead Console (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-12   Ground

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-1   Ground

    Click to display connectors

      Rear Map Lamp, Vehicles without Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C901-1   Ground

    Click to display connectors

      LH Rear Map Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C963-1   Ground

    Click to display connectors

      RH Rear Map Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C964-1   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 (North America)


    Positive Lead Measurement / Action Negative Lead
      C930-12   C930-1

    Click to display connectors

      Overhead Console (China)


    Positive Lead Measurement / Action Negative Lead
      C930-1   C930-6

    Click to display connectors

      Rear Map Lamp, Vehicles without Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C901-1   C901-5

    Click to display connectors

      LH Rear Map Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C963-1   C963-3

    Click to display connectors

      RH Rear Map Lamp, Vehicles with Vista Roof


    Positive Lead Measurement / Action Negative Lead
      C964-1   C964-3

Is the voltage greater than 11 volts?
Yes For the front interior lamp, vehicles with an overhead console, INSTALL a new overhead console.
REFER to: Overhead Console (501-12 Instrument Panel and Console, Removal and Installation). For a rear interior lamp, INSTALL a new rear 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).


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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).

Possible Sources

  • Wiring, terminals or connectors
  • BCM

PINPOINT TEST F: THE BATTERY SAVER DOES NOT DEACTIVATE AFTER TIME-OUT
F1 CHECK THE DEMAND LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Turn any demand (map or vanity mirror) lamp on.

Does the demand lamp turn on?
Yes REPAIR the circuit.
No 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).


A Puddle 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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
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.
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.
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.
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
  • Puddle lamp
  • Exterior mirror
  • DDM
  • PDM

Visual Inspection and Diagnostic Pre-checks

  • Inspect the exterior mirror for damage.

PINPOINT TEST G: A PUDDLE LAMP IS INOPERATIVE OR ALWAYS ON
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 puddle lamp is always on, GO to G2
If a puddle 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 PUDDLE LAMP POWER SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
  • Disconnect DDM C501B (LH puddle lamp).
  • Disconnect PDM C652B (RH puddle lamp).
  • Ignition ON.

Does the puddle lamp continue to illuminate?
Yes REPAIR the circuit.
No For a LH door module, GO to G8
For a RH door module, GO to G9

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 PUDDLE LAMP
  • Ignition OFF.
  • Disconnect Inoperative LH Exterior Mirror C517 or RH Exterior Mirror C615 .
  • Ignition ON.
  • Open any door.
  • Measure:
    Click to display connectors

      LH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C517-4   Ground

    Click to display connectors

      RH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C615-4   Ground

Is the voltage greater than 11 volts?
Yes GO to G7
No GO to G5

G5 CHECK THE PUDDLE LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Ignition OFF.
  • Disconnect DDM C501B (LH puddle lamp).
  • Disconnect PDM C652B (RH puddle lamp).
  • Measure:
    Click to display connectors

      LH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C517-4   Ground

    Click to display connectors

      RH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C615-4   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to G6
No REPAIR the circuit.

G6 CHECK THE PUDDLE LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors

      LH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C517-4   C501B-10

    Click to display connectors

      RH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C615-4   C652B-10

Is the resistance less than 3 ohms?
Yes For a LH door module, GO to G8
For a RH door module, GO to G9
No REPAIR the circuit.

G7 CHECK THE EXTERIOR MIRROR GROUND CIRCUIT FOR AN OPEN
  • Measure:
    Click to display connectors

      LH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C517-4   C517-16

    Click to display connectors

      RH Exterior Mirror


    Positive Lead Measurement / Action Negative Lead
      C615-4   C615-16

Is the voltage greater than 11 volts?
Yes CHECK the exterior mirror jumper harness between the vehicle harness and the puddle lamp for open circuits and damaged or pushed-out pins. If the jumper harness is OK, INSTALL a new puddle lamp.
REFER to: Exterior Mirror (501-09 Rear View Mirrors, Removal and Installation). If the jumper harness is not OK, REPAIR the jumper harness.
No REPAIR the circuit.

G8 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).

G9 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).


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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
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.
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.
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.
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.

Possible Sources

  • Wiring, terminals or connectors
  • FDIM
  • BCM

PINPOINT TEST H: THE AMBIENT LIGHTING IS INOPERATIVE OR ALWAYS ON
H1 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 H2
No

H2 CHECK FOR BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODE (DTCS)
  • Ignition ON.
  • Using a diagnostic scan tool, perform the BCM self-test.

Is DTC B1465:00, B1467:00, B145C:11 or B145C:15 present?
Yes For DTC B1465:00, GO to H3
For DTC B1467:00, GO to H7
For DTC B145C:11, GO to H11
For DTC B145C:15, GO to H12
No GO to H15

H3 CHECK THE DOOR INTERIOR AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect BCM C2280D .
  • Disconnect BCM C2280F .
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280D-38   Ground

Is voltage present?
Yes REPAIR the circuit.
No GO to H4

H4 CHECK THE DOOR INTERIOR AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Disconnect LH Front Door C574 .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C574-1   C2280D-38

Is the resistance less than 3 ohms?
Yes GO to H5
No REPAIR the circuit.

H5 CHECK THE DOOR INTERIOR AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Disconnect RH Front Door C649 .
  • Disconnect LH Rear Door C737 .
  • Disconnect RH Rear Door C837 .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C574-1   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to H6
No 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).

H6 CHECK THE DOOR INTERIOR 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
      C2280D-38   C2280F-4

Is the resistance greater than 10,000 ohms?
Yes GO to H15
No REPAIR the circuit.

H7 CHECK THE AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect BCM C2280F .
  • Ignition ON.
  • Disconnect BCM C2280G .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280G-13   Ground

Is voltage present?
Yes REPAIR the circuit.
No GO to H8

H8 CHECK THE 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
      C2280G-13   C209-2

Is the resistance less than 3 ohms?
Yes GO to H9
No REPAIR the circuit.

H9 CHECK THE AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND
  • Disconnect RH Front Footwell Lamp C266 .
  • Disconnect Floor Console Front Ambient Lighting Lamp C2516 .
  • Disconnect Floor Console Bin Ambient Lighting Lamp C3553 .
  • Disconnect Rear Footwell Lamps C3467 .
  • Disconnect Floor Console Cup Holder Ambient Lighting Lamp C3349 .
  • Disconnect Floor Console Storage Bin Ambient Lighting Lamp C3554 .
  • Disconnect Passenger Instrument Panel Lamp C2485 .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280G-13   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to H10
No 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).

H10 CHECK THE 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
      C2280G-13   C2280F-4

Is the resistance greater than 10,000 ohms?
Yes GO to H15
No REPAIR the circuit.

H11 CHECK THE AMBIENT LIGHTING VOLTAGE CIRCUIT FOR A SHORT TO GROUND
  • Disconnect BCM C2280F .
  • Disconnect LH Front Door C574 .
  • Disconnect RH Front Door C649 .
  • Disconnect LH Rear Door C737 .
  • Disconnect RH Rear Door C837 .
  • Disconnect LH Front Footwell Lamp C209 .
  • Disconnect RH Front Footwell Lamp C266 .
  • Disconnect Floor Console Front Ambient Lighting Lamp C2516 .
  • Disconnect Floor Console Media Bin Ambient Lighting Lamp C3553 .
  • Disconnect Rear Footwell Lamps C3467 .
  • Disconnect Floor Console Cup Holder Ambient Lighting Lamp C3349 .
  • Disconnect Floor Console Storage Bin Ambient Lighting Lamp C3554 .
  • Disconnect Passenger Instrument Panel Lamp C2485 .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280F-4   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to H15
No 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).

H12 CHECK THE AMBIENT LIGHTING VOLTAGE CIRCUIT FOR AN OPEN
  • Disconnect BCM C2280F .
  • Disconnect LH Front Footwell Lamp C209 .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280F-4   C209-1

Is the resistance greater than 10,000 ohms?
Yes GO to H13
No REPAIR the circuit.

H13 CHECK THE AMBIENT LIGHTING VOLTAGE CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition ON.
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280F-4   Ground

Is voltage present?
Yes REPAIR the circuit.
No GO to H14

H14 CHECK THE AMBIENT LIGHTING VOLTAGE CIRCUIT FOR A SHORT TO THE AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT
  • Ignition OFF.
  • Disconnect BCM C2280D .
  • Disconnect BCM C2280G .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280D-38   C2280F-4

    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280G-13   C2280F-4

Is voltage present?
Yes REPAIR the circuit.
No GO to H15

H15 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).


One Or More Of The Ambient Lighting 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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
B1465:00 Ambient Lighting Bus 1: No Sub Type Information Sets when the BCM detects a fault in the LIN circuit to the door ambient lighting Light Emitting Diodes (LEDs).
B1467:00 Ambient Lighting Bus 3: No Sub Type Information Sets when the BCM detects a fault in the LIN circuit to the footwell and center console ambient lighting Light Emitting Diodes (LEDs).

Possible Sources

  • Wiring, terminals or connectors
  • Ambient lighting LED
  • BCM

PINPOINT TEST I: ONE OR MORE OF THE AMBIENT LIGHTING LIGHT EMITTING DIODES (LEDS) ARE INOPERATIVE OR DO NOT CHANGE COLOR/INTENSITY
NOTE: If only a single interior door ambient lighting point is inoperative or does not change color/intensity, INSTALL a new door ambient lighting harness. If all the interior door ambient lighting points are inoperative or do not change color/intensity, proceed with this test.
I1 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 and rear door, instrument panel, console and footwell ambient lighting Light Emitting Diodes (LEDs) inoperative?
Yes GO to Pinpoint Test H
No If only a single interior door ambient lighting point is inoperative or does not change color/intensity, INSTALL a new door ambient lighting harness.
If any other ambient lighting point or all the interior door ambient lighting points of a door are inoperative or do not change color/intensity, GO to I2

I2 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.
  • For interior door Light Emitting Diodes (LEDs), measure:
    Click to display connectors

      LH Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-3   Ground

    Click to display connectors

      RH Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-3   Ground

    Click to display connectors

      LH Rear Door


    Positive Lead Measurement / Action Negative Lead
      C737-3   Ground

    Click to display connectors

      RH Rear Door


    Positive Lead Measurement / Action Negative Lead
      C837-3   Ground
  • For a floor console or rear footwell LED , measure:
    Click to display connectors

      Floor Console Front Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C2516-1   Ground

    Click to display connectors

      Floor Console Media Bin Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C3553-1   Ground

    Click to display connectors

      Floor Console Storage Bin Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C3554-1   Ground

    Click to display connectors

      Rear Footwell Lamps


    Positive Lead Measurement / Action Negative Lead
      C3467-1   Ground

    Click to display connectors

      Floor Console Cup Holder Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C3349-1   Ground
  • For an instrument panel and front footwell LED , measure:
    Click to display connectors

      LH Front Footwell


    Positive Lead Measurement / Action Negative Lead
      C209-1   Ground

    Click to display connectors

      RH Front Footwell


    Positive Lead Measurement / Action Negative Lead
      C266-1   Ground

    Click to display connectors

      Passenger Instrument Panel Lamp


    Positive Lead Measurement / Action Negative Lead
      C2485-1   Ground

Is the voltage greater than 11 volts?
Yes GO to I3
No REPAIR the LED voltage supply circuit in question.

I3 CHECK THE LED (LIGHT EMITTING DIODE) GROUND CIRCUIT FOR AN OPEN
  • For interior door Light Emitting Diodes (LEDs), measure:
    Click to display connectors

      LH Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-3   C574-4

    Click to display connectors

      RH Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-3   C649-4

    Click to display connectors

      LH Rear Door


    Positive Lead Measurement / Action Negative Lead
      C737-3   C737-4

    Click to display connectors

      RH Rear Door


    Positive Lead Measurement / Action Negative Lead
      C837-3   C837-4
  • For a floor console or rear footwell LED , measure:
    Click to display connectors

      Floor Console Front Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C2516-1   C2516-3

    Click to display connectors

      Floor Console Media Bin Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C3553-1   C3553-3

    Click to display connectors

      Floor Console Storage Bin Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C3554-1   C3554-3

    Click to display connectors

      Rear Footwell Lamps


    Positive Lead Measurement / Action Negative Lead
      C3467-1   C3467-3

    Click to display connectors

      Floor Console Cup Holder Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C3349-1   C3349-3
  • For an instrument panel and front footwell LED , measure:
    Click to display connectors

      LH Front Footwell


    Positive Lead Measurement / Action Negative Lead
      C209-1   C209-3

    Click to display connectors

      RH Front Footwell


    Positive Lead Measurement / Action Negative Lead
      C266-1   C266-3

    Click to display connectors

      Passenger Instrument Panel Lamp


    Positive Lead Measurement / Action Negative Lead
      C2485-1   C2485-3

Is the voltage greater than 11 volts?
Yes For the floor console media bin or the floor console storage bin ambient lighting lamps, INSTALL a new ambient lighting LED in question.
For all other lamps, GO to I4
No REPAIR the ground circuit in question.

I4 CHECK THE AMBIENT LIGHTING LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN
  • Ignition OFF.
  • Place the headlamp switch in the OFF position.
  • Disconnect BCM C2280D (door Light Emitting Diodes (LEDs)).
  • Disconnect BCM C2280G (cup holder, front console, front and rear footwell Light Emitting Diodes (LEDs)).
  • For interior door Light Emitting Diodes (LEDs), measure:
    Click to display connectors

      LH Front Door


    Positive Lead Measurement / Action Negative Lead
      C574-1   C2280D-38

    Click to display connectors

      RH Front Door


    Positive Lead Measurement / Action Negative Lead
      C649-1   C2280D-38

    Click to display connectors

      LH Rear Door


    Positive Lead Measurement / Action Negative Lead
      C737-1   C2280D-38

    Click to display connectors

      RH Rear Door


    Positive Lead Measurement / Action Negative Lead
      C837-1   C2280D-38
  • For a floor console or rear footwell LED , measure:
    Click to display connectors

      Floor Console Front Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C2516-2   C2280G-13

    Click to display connectors

      Rear Footwell Lamps


    Positive Lead Measurement / Action Negative Lead
      C3467-2   C2280G-13

    Click to display connectors

      Floor Console Cup Holder Ambient Lighting Lamp


    Positive Lead Measurement / Action Negative Lead
      C3349-2   C2280G-13
  • For an instrument panel and front footwell LED , measure:
    Click to display connectors

      LH Front Footwell


    Positive Lead Measurement / Action Negative Lead
      C209-2   C2280G-13

    Click to display connectors

      RH Front Footwell


    Positive Lead Measurement / Action Negative Lead
      C266-2   C2280G-13

    Click to display connectors

      Passenger Instrument Panel Lamp


    Positive Lead Measurement / Action Negative Lead
      C2485-2   C2280G-13

Is the resistance less than 3 ohms?
Yes INSTALL a new ambient lighting LED in question.
No REPAIR the circuit.


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 - System Operation and Component Description (417-02 Interior Lighting, Description and Operation).


  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
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
  • Liftgate latch
  • RGTM
  • BCM

PINPOINT TEST J: THE COURTESY LAMPS DO NOT ILLUMINATE WITH THE LIFTGATE OPEN
J1 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 J2
No GO to Pinpoint Test A

J2 CHECK THE RGTM (REAR GATE TRUNK MODULE)
  • Disconnect RGTM C4174B .

Do the courtesy lamps illuminate?
Yes GO to J4
No GO to J3

J3 CHECK THE LIFTGATE AJAR INPUT CIRCUIT FOR A SHORT TO GROUND
  • Disconnect BCM C2280D .
  • Measure:
    Click to display connectors
    Positive Lead Measurement / Action Negative Lead
      C2280D-34   Ground

Is the resistance greater than 10,000 ohms?
Yes GO to J5
No REPAIR the circuit.

J4 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).

J5 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).


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

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    Electrical Distribution

    ..

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