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Home >> Ford >> 2020 >> Fusion SEL >> Repair and Diagnosis >> External Pages >> Different car >> Section 536 (Exterior Lighting (1 Of 2) (Hybrid/ENERGI)) >> Diagnosis And Testing >> Fog Lamps >> Pinpoint Tests >> Pinpoint Test C : One Or Both Front Fog Lamps Are On Continuously >> Pinpoint Test C : One Or Both Front Fog Lamps Are On Continuously

Pinpoint Test C : One Or Both Front Fog Lamps Are On Continuously

WARNING: This page is about a different car, the 2019 Ford SSV Plug-in Hybrid, 2019 Ford Police Responder Hybrid, and 2019 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

  1. C1 CHECK FOG LAMP OPERATION

    • Ignition ON.

    • Place the headlamp switch in the OFF position.

    • Observe the operation of the LH and RH fog lamps.

    Are both fog lamps illuminated? 

    Yes  GO to  C2
    No  GO to  C4

  2. C2 CHECK THE HEADLAMP SWITCH

    • Ignition OFF.

    • Disconnect: Headlamp Switch C205.

    • Carry out the headlamp switch component test. Refer to HEADLAMP SWITCH for schematic and connector information.

    Does the headlamp switch pass the component test? 

    Yes  GO to  C3
    No  INSTALL a new headlamp switch. REFER to: Headlamp Switch .

  3. C3 CHECK THE FOG LAMP SWITCH CIRCUIT FOR A SHORT TO GROUND

    • Disconnect: BCM C2280G.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C205-14
      GFD436386Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  C5
    No  REPAIR the circuit.

  4. C4 CHECK THE FOG LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition OFF.

    • Disconnect: BCM C2280B.

    • Ignition ON.

    Does either fog lamp continue to illuminate? 

    Yes  REPAIR the circuit in question.
    No  GO to  C5

  5. C5 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, refer to BCM GUIDED ROUTINE
    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.
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