LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2018 >> Taurus SE, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Exterior Lighting) >> Diagnosis And Testing >> Fog Lamps >> Pinpoint Tests >> Pinpoint Test B : An Individual Front Fog Lamp Is Inoperative >> Pinpoint Test B : An Individual Front Fog Lamp Is Inoperative

Pinpoint Test B : An Individual Front Fog Lamp Is Inoperative

WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.

  1. B1 CHECK FOR VOLTAGE TO THE INOPERATIVE FOG LAMP

    • Ignition OFF.

    • Disconnect: Inoperative LH Fog Lamp C152 or RH Fog Lamp C162.

    • Ignition ON.

    • Place the headlamp switch in the PARKLAMPS position and engage the fog lamp switch.

    • Measure:

      LH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C152-2
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 Ground

      RH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C162-2
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the voltage greater than 11 volts? 

    Yes  GO to  B3
    No  GO to  B2

  2. B2 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE FOG LAMP

    • Place the headlamp switch in the OFF position.

    • 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).

    • Ignition OFF.

    • Ignition ON.

    • Place the headlamp switch in the PARKLAMPS position and engage the fog lamp switch.

    • Measure:

      LH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C152-2
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 Ground

      RH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C162-2
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the voltage greater than 11 volts? 

    Yes  INSTALL a new front fog lamp bulb. REFER to: Front Fog Lamp Bulb .
    No  GO to  B4

  3. B3 CHECK THE INOPERATIVE FOG LAMP GROUND CIRCUIT FOR AN OPEN

    • Measure:

      LH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C152-2
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 C152-1

      RH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C162-2
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 C162-1

    Is the voltage greater than 11 volts? 

    Yes  INSTALL a new front fog lamp bulb. REFER to: Front Fog Lamp Bulb .
    No  REPAIR the circuit.

  4. B4 CHECK FOG LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

    • Place the headlamp switch in the OFF position.

    • Ignition OFF.

    • Disconnect: BCM C2280E.

    • Measure:

      LH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C152-2
      GFD328455Courtesy of FORD MOTOR COMPANY
      		 Ground

      RH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C162-2
      GFD328455Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  B5
    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. REFER to: Body Control Module (BCM) .

  5. B5 CHECK FOG LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

    • Measure:

      LH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C152-2
      GFD328455Courtesy of FORD MOTOR COMPANY
      		 C2280E-6

      RH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C162-2
      GFD328455Courtesy of FORD MOTOR COMPANY
      		 C2280E-7

    Is the resistance less than 3 ohms? 

    Yes  GO to  B6
    No  REPAIR the circuit.

  6. B6 CHECK FOG LAMP FUSED SUPPLY CIRCUIT FOR VOLTAGE

    • Measure:

      LH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C2280G-12
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 Ground

      RH Fog Lamp 

      Positive Lead Measurement / Action Negative Lead
      C2280G-5
      GFD328456Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the voltage greater than 11 volts? 

    Yes  GO to  B7
    No  REPAIR the circuit.

  7. B7 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Disconnect and inspect all BCM and all 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 and all 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 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) .
    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.
scientia non olet · About LEMON Manuals