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Home >> Lincoln >> 2021 >> Aviator Base, AWD >> Repair and Diagnosis >> Electrical >> Gauges >> Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test As : The Blind Spot Information System (BLIS®) Off RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On

Pinpoint Test As : The Blind Spot Information System (BLIS®) Off RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On

  1. Normal Operation and Fault Conditions 

    See BLIS Off. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .

    If the cross traffic alert sensor left, cross traffic alert left sensor status, side obstacle detect status left, cross traffic alert sensor right, cross traffic alert right status, or side obstacle detect status right message is missing or invalid for less than 5 seconds, the IPC defaults the BLIS off RTT indicator to the last state (on or off), based upon the last message received.

    If the cross traffic alert sensor left, cross traffic alert left sensor status, side obstacle detect status left, cross traffic alert sensor right, cross traffic alert right status, or side obstacle detect status right message is missing or invalid for 5 seconds or longer, the IPC defaults the BLIS off RTT warning indicator off.

    Possible Sources 

    • Communication concern
    • GWM
    • SODL
    • SODR
    • IPC

  2. AS1 CHECK THE MESSAGE CENTER OPERATION

    • Ignition ON.

    • Close all doors, liftgate and hood.

    • Clear all message center warnings by pressing the OK button for each warning present.

    • Monitor the door ajar RTT warning indicator.

    • Open the driver door.

    • Clear the message center popup warning.

    • Monitor the door ajar RTT warning indicator.

    Is the door ajar RTT warning indicator off with the door closed, and on with the door open? 

    Yes  GO to  AS2
    No  GO to Pinpoint Test A 

  3. AS2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

    • Ignition ON.

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to the IPC DTC Chart. Refer to Diagnostic Trouble Code (DTC) Chart 
    No  GO to  AS3

  4. AS3 PERFORM THE SODL (SIDE OBSTACLE DETECTION CONTROL MODULE LH) AND SODR (SIDE OBSTACLE DETECTION CONTROL MODULE RH) SELF-TESTS

    • Using a diagnostic scan tool, perform the SODL and SODR self-tests.

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to BLIND SPOT INFORMATION SYSTEM
    No  GO to  AS4

  5. AS4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (DTCs).

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Communications Network .
    No  DIAGNOSE the BLIS. REFER to BLIND SPOT INFORMATION SYSTEM
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