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PINPOINT TEST G : One Or Both Puddle Lamps Are Inoperative

  1. G1 DETERMINE IF BOTH PUDDLE LAMPS ARE INOPERATIVE

    • Ignition OFF.
    • Press and hold the courtesy lamp switch for 3 seconds.

    Are both puddle lamps inoperative? 

    Yes  GO to  G2.
    No  GO to  G3.
    2. NOTE: If the jumper wire fails, refer to the OEM ELECTRICAL WIRING DIAGRAM INTRODUCTION to identify the possible causes of the circuit short.

  2. G2 BYPASS THE BCM
    • Press and hold the courtesy lamp switch to turn the interior courtesy lamps off.
    • Disconnect: BCM C2280C.
    • Connect:
      Positive Lead Measurement / Action Negative Lead
      C2280C-1
      GFD33601Courtesy of FORD MOTOR COMPANY
      		 Positive Battery Terminal

    Do the puddle lamps illuminate? 

    Yes  REMOVE the jumper wire. GO to  G5.
    No  REMOVE the jumper wire. REPAIR the puddle lamp voltage supply circuit for an open.

  3. G3 CHECK FOR VOLTAGE TO THE PUDDLE LAMP

    • Press and hold the courtesy lamp switch to turn the interior courtesy lamps off.
    • Disconnect: Inoperative Exterior Mirror.
    • Press and hold the courtesy lamp switch for 3 seconds.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      Inoperative Puddle Lamp, Left Mirror C516-5
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground
      Inoperative Puddle Lamp, Right Mirror C601A-5
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the voltage greater than 11 volts? 

    Yes  GO to  G4.
    No  REPAIR the puddle lamp voltage supply circuit for an open.

  4. G4 CHECK THE PUDDLE LAMP GROUND CIRCUIT FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      Inoperative Puddle Lamp, Left Mirror C516-5
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Inoperative Puddle Lamp, Left Mirror C516-8
      Inoperative Puddle Lamp, Right Mirror C601A-5
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Inoperative Puddle Lamp, Right Mirror C601A-8

    Is the voltage greater than 11 volts? 

    Yes  INSTALL a new exterior mirror for the mirror in question. REFER to Rear View Mirrors .
    No  REPAIR ground circuit in question.

  5. G5 CHECK FOR CORRECT BCM OPERATION

    • Disconnect the BCM connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • corrosion (install new connector or terminals - clean module pins)
      • pushed-out pins - install new pins as necessary
    • Reconnect the BCM connectors and 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 TSBs. If a TSB exists for this concern, discontinue this test and follow TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to Multifunction Electronic Modules - Without Intelligent Access or REFER to Multifunction Electronic Modules - With Intelligent Access .
    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 DTCs.
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