LEMON Manuals: Even more car manuals for everyone
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 Ab : The Ready To Drive RTT (RECONFIGURABLE Telltale) Indicator Is Never On (Hybrid Only)

Pinpoint Test Ab : The Ready To Drive RTT (RECONFIGURABLE Telltale) Indicator Is Never On (Hybrid Only)

  1. Normal Operation and Fault Conditions 

    See Ready to Drive (HEV). REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .

    If the ready to drive indication request message is missing for less than 5 seconds, the IPC defaults the ready to drive RTT indicator to the last indication state (on or off), based upon the last message received.

    If the ready to drive indication request message is missing for 5 seconds or longer, the IPC defaults the ready to drive RTT indicator off.

    Possible Sources 

    • Communication concern
    • GWM
    • PCM
    • IPC

  2. AB1 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  AB2
    No  GO to Pinpoint Test A 
  3. AB2 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 the IPC DTC Chart. Refer to Diagnostic Trouble Code (DTC) Chart 
    No  GO to  AB3
  4. AB3 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 all PCM Diagnostic Trouble Codes (DTCs). REFER to: Electronic Engine Controls .