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Home >> Lincoln >> 2021 >> Nautilus Base, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test BC: The Turn Signal-Hazard On Chime Or Turn Signal Left On Chime Is Inoperative >> Pinpoint Test BC: The Turn Signal-Hazard On Chime Or Turn Signal Left On Chime Is Inoperative

Pinpoint Test BC: The Turn Signal-Hazard On Chime Or Turn Signal Left On Chime Is Inoperative

  1. BC1 CHECK THE SEATBELT WARNING CHIME OPERATION

    • Ignition OFF.

    • Ignition ON.

    • Unbuckle the driver seatbelt.

    • Monitor the seatbelt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.

    Does the seatbelt warning chime operate for approximately 6 seconds? 

    Yes  GO to  BC2
    No  GO to  BC5

  2. BC2 CHECK THE TURN SIGNAL INDICATOR OPERATION

    • Verify the RH and LH turn signal indicators operate correctly.

    Do the turn signal indicators operate correctly? 

    Yes  For the turn signal/hazard on chime, GO to  BC4 For the turn signal left on chime, GO to  BC3
    No  GO to Pinpoint Test K 

  3. BC3 CHECK THE SPEEDOMETER AND ODOMETER OPERATION

    • Ignition ON.

    • Verify the speedometer and odometer operate.

    Do the speedometer and odometer operate? 

    Yes  GO to  BC4
    No  For a speedometer concern, GO to Pinpoint Test B  For an odometer concern, GO to Pinpoint Test E 

  4. BC4 PERFORM 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  REFER to: Body Control Module (BCM) .
    No  GO to  BC5

  5. BC5 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION

    • Ignition OFF.

    • Disconnect and inspect the IPC connector.

    • 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 IPC connector. Make sure it seats and latches correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW service article instructions. If no service articles address this concern, INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) .
    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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