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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1565 (Instrumentation, Message Center And Warning Chimes (Except Electric) (2 Of2)) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test Am : A Door Ajar Display Is Never Or Always On >> Pinpoint Test Am : A Door Ajar Display Is Never Or Always On

Pinpoint Test Am : A Door Ajar Display Is Never Or Always On

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

  1. AM1 CHECK THE MESSAGE CENTER OPERATION

    • Ignition OFF.

    • Disconnect: Brake Fluid Level Switch.

    • Ignition ON.

    • Wait 1 minute.

    • Observe the message center operation.

    Does the message center display the low brake fluid level message? 

    Yes  GO to  AM2
    No  GO to Pinpoint Test A 
  2. AM2 VERIFY THE CONDITION

    • Verify whether the concern is a luggage compartment ajar or hood ajar message center display concern.

    Is the concern a luggage compartment ajar or hood ajar message center display concern? 

    Yes  GO to  AM5
    No  GO to  AM3
  3. AM3 CHECK THE INTERIOR LIGHTING OPERATION

    • Open and close each door while monitoring the interior lamps

    Do the interior lamps operate correctly with each door? 

    Yes  GO to  AM4
    No  REFER to: INTERIOR LIGHTING
  4. AM4 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

    • Using a diagnostic scan tool, perform the IPC self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to DTC Chart: IPC .
    No  GO to  AM5
  5. AM5 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST

    • Using a diagnostic scan tool, perform the BCM self-test.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  For DTC B1306:13, GO to  AM6 For all other DTCs, REFER to: Body Control Module (BCM) .
    No  For a door ajar RTT indicator, Refer to BCM GUIDED ROUTINE TESTING . For a hood ajar message center indication concern, REFER to: Perimeter Anti-Theft Alarm . For a luggage compartment or liftgate ajar message center indication concern, GO to  AM9
  6. AM6 CHECK THE LIFTGATE AJAR INPUT FOR GROUND THROUGH THE LUGGAGE COMPARTMENT OR LIFTGATE LATCH

    NOTE: Make sure the liftgate is fully closed before proceeding with this test step.

    • Ignition OFF.

    • Disconnect: BCM C2280B.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280B-47
      GFD267190Courtesy of FORD MOTOR COMPANY
      Ground

    Is the resistance less than 3 ohms? 

    Yes  GO to  AM11
    No  GO to  AM7
  7. AM7 CHECK THE LUGGAGE COMPARTMENT OR LIFTGATE AJAR SWITCH GROUND

    • Disconnect: Luggage Compartment or Liftgate Latch.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C4223-2
      GFD267190Courtesy of FORD MOTOR COMPANY
      Ground

    Is the resistance less than 3 ohms? 

    Yes  GO to  AM8
    No  REPAIR the circuit.
  8. AM8 BYPASS THE LUGGAGE COMPARTMENT OR LIFTGATE AJAR SWITCH AND CHECK THE LUGGAGE COMPARTMENT LID OR LIFTGATE AJAR INPUT FOR GROUND

    • Connect: BCM C2280B.

    • Connect a fused jumper wire:
      Lead 1 Measurement / Action Lead 2
      C4223-3
      GFD267187Courtesy of FORD MOTOR COMPANY
      C4223-2

    • Ignition ON.

    • Using a diagnostic scan tool, perform the IPC self-test.

    Is DTC B1306:13 present? 

    Yes  REMOVE the jumper wire. REPAIR the luggage compartment or liftgate ajar input circuit.
    No  REMOVE the jumper wire. INSTALL a new luggage compartment or liftgate latch. REFER LUGGAGE COMPARTMENT LID LATCH or LIFTGATE LATCH
  9. AM9 CHECK THE LUGGAGE COMPARTMENT LID OR LIFTGATE AJAR INPUT FOR A SHORT TO GROUND

    • Ignition OFF.

    • Disconnect: BCM C2280B.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280B-47
      GFD267190Courtesy of FORD MOTOR COMPANY
      Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  AM11
    No  GO to  AM10
  10. AM10 CHECK THE LUGGAGE COMPARTMENT LID OR LIFTGATE SWITCH

    • Disconnect: Luggage Compartment or Liftgate Latch.

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C2280B-47
      GFD267190Courtesy of FORD MOTOR COMPANY
      Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  INSTALL a new luggage compartment lid or liftgate latch. REFER to LUGGAGE COMPARTMENT LID LATCH or LIFTGATE LATCH .
    No  REPAIR the luggage compartment or liftgate latch input circuit.
  11. AM11 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

    • Ignition OFF.

    • 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, 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.