417-01 Exterior Lighting 2014 Fiesta
Diagnosis and Testing Procedure revision date: 05/20/2013

Parking, Rear and License Plate Lamps

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).

DTC Chart: BCM

  BCM DTC Chart


  DTC Description Action
B1098:11 Left Position Light: Circuit Short to Ground   GO to Pinpoint Test A
B1098:15 Left Position Light: Circuit Short to Battery or Open
B1099:11 Right Position Light: Circuit Short to Ground   GO to Pinpoint Test A
B1099:15 Right Position Light: Circuit Short to Battery or Open


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: Parking, Rear, and License Plate Lamps

  Symptom Chart


Condition Possible Sources Actions
A module does not respond to the diagnostic scan tool
  • Fuse
  • Wiring, terminals or connectors
  • Module
 
REFER to: Communications Network (418-00 Module Communications Network, Diagnosis and Testing).
One or more parking, rear or license plate lamps is inoperative Refer to the Pinpoint Test   GO to Pinpoint Test A
The parking, rear or license plate lamps are on continuously Refer to the Pinpoint Test   GO to Pinpoint Test B


Pinpoint Tests

One Or More Parking, Rear, Or License Plate Lamps Are Inoperative


Refer to Wiring Diagrams Cell 92 for schematic and connector information.

Normal Operation and Fault Conditions


REFER to: Exterior Lighting - System Operation and Component Description (417-01 Exterior Lighting, Description and Operation).



  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
B1098:11 Left Position Light: Circuit Short To Ground A continuous and on-demand DTC that sets when the BCM detects a short to ground from the LH front or rear parking lamps output circuit.
B1098:15 Left Position Light: Circuit Short To Battery Or Open A continuous and on-demand DTC that sets when the BCM detects an open from the LH front or rear parking lamps output circuit.
B1099:11 Right Position Light: Circuit Short To Ground A continuous and on-demand DTC that sets when the BCM detects a short to ground from the RH front or rear parking lamps output circuit.
B1099:15 Right Position Light: Circuit Short To Battery Or Open A continuous and on-demand DTC that sets when the BCM detects an open from the RH front or rear parking lamps output circuit.


Possible Sources


PINPOINT TEST A : ONE OR MORE PARKING, REAR, OR LICENSE PLATE LAMPS ARE INOPERATIVE
A1   CHECK THE BCM (BODY CONTROL MODULE) PARK LIGHT SWITCH INPUT
  • Place the headlamp switch in the off position.
  • Using a diagnostic scan tool, view BCM Parameter Identifications (PIDs).
  • Monitor the BCM PARK_LMP_SW PID .
  • Place the headlamp switch in the park lamps on position.

Does the BCM PARK_LMP_SW PID change from Off to On?

Yes GO to A3
No GO to A2


A2   CHECK THE PARK LIGHT SWITCH INPUT CIRCUIT FOR AN OPEN
  • Disconnect: BCM C2280F.
  • Disconnect: Headlamp Switch C205.
  • Measure:


    Positive Lead Measurement / Action Negative Lead
      C205-2   C2280F-23



Is the resistance less than 3 ohms?

Yes CARRY OUT the Headlamp Switch component test.
Refer to Wiring Diagrams Cell 149 for schematic and connector information.

If the headlamp switch tests bad, INSTALL a new headlamp switch.
REFER to: Headlamp Switch (417-01 Exterior Lighting, Removal and Installation).

If the headlamp switch tests good, GO to A8
No REPAIR the circuit.


A3   DETERMINE IF ALL THE PARKING LAMPS ARE INOPERATIVE
  • Ignition OFF.
  • Place the headlamp switch in the parking lamps on position.

Are all the parking lamps inoperative?

Yes GO to A8
No GO to A4


A4   CHECK FOR VOLTAGE TO THE PARKING LAMP
  • Place the headlamp switch in the off position.
  • Disconnect: LH Headlamp C1021.
  • Disconnect: RH Headlamp C1041.
  • Disconnect: Liftgate/Luggage Compartment Lid Release Switch Assembly C4216.
  • Disconnect: LH Reversing Lamp C498 (4-door).
  • Disconnect: RH Reversing Lamp C499 (4-door).
  • Disconnect: LH Rear Lamp C412 (4-door).
  • Disconnect: RH Rear Lamp C415 (4-door).
  • Disconnect: LH Rear Lamp C414 (5-door).
  • Disconnect: RH Rear Lamp C417 (5-door).
  • Place the headlamp switch in the parking lamps on position.
  • For a front parking lamp, measure:

      LH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C1021-6   Ground




      RH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C1041-6   Ground


  • For a rear lamp, measure:

      4-Door LH Reversing Lamp


    Positive Lead Measurement / Action Negative Lead
      C498-1   Ground




      4-Door RH Reversing Lamp


    Positive Lead Measurement / Action Negative Lead
      C499-1   Ground




      4-Door LH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C412-2   Ground




      4-Door RH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C415-2   Ground




      5-Door LH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C414-4   Ground




      5-Door RH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C417-4   Ground


  • For a license plate lamp, measure:


    Positive Lead Measurement / Action Negative Lead
      C4216-1   Ground



Is the voltage greater than 11 volts?

Yes GO to A5
No GO to A6


A5   CHECK THE PARKING LAMP GROUND CIRCUIT FOR AN OPEN
  • For a front parking lamp, measure:

      LH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C1021-6   C1021-7




      RH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C1041-6   C1041-7


  • For a rear lamp, measure:

      4-Door LH Reversing Lamp


    Positive Lead Measurement / Action Negative Lead
      C498-1   C498-4




      4-Door RH Reversing Lamp


    Positive Lead Measurement / Action Negative Lead
      C499-1   C499-4




      4-Door LH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C412-2   C412-4




      4-Door RH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C415-2   C415-4




      5-Door LH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C414-4   C414-6




      5-Door RH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C417-4   C417-6


  • For a license plate lamp, measure:


    Positive Lead Measurement / Action Negative Lead
      C4216-1   C4216-2



Is the voltage greater than 11 volts?

Yes For a front lamp, CHECK the internal headlamp harness for open or shorted circuits and damaged or pushed-out pins. If the harness is not OK, REPAIR the harness. If the harness cannot be repaired, INSTALL a new headlamp assembly.
REFER to: Headlamp Assembly (417-01 Exterior Lighting, Removal and Installation).
If the harness is OK, INSTALL a new bulb.
For a rear or license plate lamp, INSTALL a new bulb.
No REPAIR the circuit.


A6   CHECK THE PARKING LAMP SUPPLY CIRCUIT FOR A SHORT TO GROUND
  • Place the headlamp switch in the off position.
  • Disconnect: BCM C2280D (Front Parking Lamps).
  • Disconnect: BCM C2280G (Rear Parking or License Plate Lamps).
  • For a front parking lamp, measure:

      LH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C2280D-24   Ground




      RH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C2280D-12   Ground


  • For a rear or license plate lamp, measure:

      LH Rear or License Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C2280G-13   Ground




      RH Rear or License Plate Lamp


    Positive Lead Measurement / Action Negative Lead
      C2280G-1   Ground



Is the resistance greater than 10,000 ohms?

Yes GO to A7
No REPAIR the circuit.


A7   CHECK THE PARKING LAMP SUPPLY CIRCUIT FOR AN OPEN
  • For a front parking lamp, measure:

      LH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C1021-6   C2280D-24




      RH Front Park Lamp


    Positive Lead Measurement / Action Negative Lead
      C1041-6   C2280D-12


  • For a rear lamp, measure:

      4-Door LH Reversing Lamp


    Positive Lead Measurement / Action Negative Lead
      C498-1   C2280G-13




      4-Door RH Reversing Lamp


    Positive Lead Measurement / Action Negative Lead
      C499-1   C2280G-1




      4-Door LH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C412-2   C2280G-13




      4-Door RH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C415-2   C2280G-1




      5-Door LH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C414-4   C2280G-13




      5-Door RH Rear Lamp


    Positive Lead Measurement / Action Negative Lead
      C417-4   C2280G-1


  • For a license plate lamp, measure:


    Positive Lead Measurement / Action Negative Lead
      C4216-1   C2280G-13



Is the resistance less than 3 ohms?

Yes GO to A8
No REPAIR the circuit.


A8   CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors.
  • Repair:
    • corrosion (install new connector or terminals – clean module pins)
    • damaged or bent pins – install new terminals/pins
    • pushed-out pins – install new pins as necessary
  • Reconnect the BCM connectors. 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) 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 Parking, Rear, Or License Plate Lamps Are On Continuously


Refer to Wiring Diagrams Cell 92 for schematic and connector information.

Normal Operation and Fault Conditions


REFER to: Exterior Lighting - System Operation and Component Description (417-01 Exterior Lighting, Description and Operation).



  DTC Fault Trigger Conditions


  DTC Description Fault Trigger Conditions
B1098:15 Left Position Light: Circuit Short To Battery Or Open A continuous and on-demand DTC that sets when the BCM detects a short to voltage from the LH front or rear parking lamps output circuit.
B1099:15 Right Position Light: Circuit Short To Battery Or Open A continuous and on-demand DTC that sets when the BCM detects a short to voltage from the RH front or rear parking lamps output circuit.


Possible Sources


PINPOINT TEST B : THE PARKING, REAR, OR LICENSE PLATE LAMPS ARE ON CONTINUOUSLY
B1   CHECK THE BCM (BODY CONTROL MODULE) PARKING LAMP OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE
  • Ignition OFF.
  • Disconnect: BCM C2280D (Front Parking Lamps).
  • Disconnect: BCM C2280G (Rear Parking or License Plate Lamps).
  • Ignition ON.

Do the parking lamps continue to illuminate?

Yes REPAIR the parking lamp output circuit in question.
No GO to B2


B2   CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
  • Disconnect and inspect all BCM connectors.
  • Repair:
    • corrosion (install new connector or terminals – clean module pins)
    • damaged or bent pins – install new terminals/pins
    • pushed-out pins – install new pins as necessary
  • Reconnect the BCM connectors. 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) 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).