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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 AU : The Distance Alert RTT (RECONFIGURABLE Telltale) Warning Indicator Is Never On

Pinpoint Test AU : The Distance Alert RTT (RECONFIGURABLE Telltale) Warning Indicator Is Never On

  1. Normal Operation and Fault Conditions 

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

    If the forward distance alert warning indicator request message is missing or deemed invalid for less than 5 seconds, the IPC defaults the distance alert RTT warning indicator to the last indication state (on or off), based on the last message received.

    If the forward distance alert warning indicator request message is missing or deemed invalid for 5 seconds or longer, the IPC defaults the distance alert RTT warning indicator off.

    Possible Sources 

    • Communication concern
    • Adaptive cruise control concern
    • GWM
    • IPC

  2. AU1 CHECK THE MESSAGE CENTER OPERATION

    • Ignition ON.

    • Close all doors, liftgate and the 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  AU2
    No  GO to Pinpoint Test A 
  3. AU2 PERFORM 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 in this information. Refer to Diagnostic Trouble Code (DTC) Chart 
    No  GO to  AU3
  4. AU3 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 adaptive cruise control system. REFER to: Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering .