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Home >> Ford >> 2021 >> Expedition Platinum, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 166 (Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Locks, Latches and Entry Systems >> Pinpoint Tests >> Pinpoint Test Q : The Keyless Entry Keypad Illumination Is Always On >> Pinpoint Test Q : The Keyless Entry Keypad Illumination Is Always On

Pinpoint Test Q : The Keyless Entry Keypad Illumination Is Always On

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  1. Q1 CHECK THE KEYLESS ENTRY KEYPAD ILLUMINATION

    NOTE: It is normal operation for the keypad to illuminate when the illuminated entry/exit feature is active. Make sure all the doors are closed and the feature times out.

    • Ignition ON.

    • Wait 45 seconds and observe the keyless entry keypad illumination.

    Is the keyless entry keypad illumination always on? 

    Yes  GO to  Q2
    No  The system is operating as designed. INFORM the customer of the correct system operation.
  2. Q2 ISOLATE THE BCM (BODY CONTROL MODULE) CHECK THE BCM (BODY CONTROL MODULE) KEYPAD ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition OFF.

    • Disconnect BCM C2280E.

    • Ignition ON.

    Is the keypad still illuminated? 

    Yes  REPAIR the circuit.
    No  GO to  Q3
  3. Q3 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Disconnect and inspect all the BCM connectors.

    • Repair:

      • corrosion (install new connectors 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 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 TESTING
    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.