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Home >> Ford >> 2021 >> Mustang Mach 1, Automatic Trans >> 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 Al: The Blind Spot Information System (BLIS®) Off RTT (RECONFIGURABLE Telltale) Is Never Or Always On

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

  1. Normal Operation and Fault Conditions 

    See Blind Spot Monitoring System (BLIS®) Off RTT. REFER to: Message Center - System Operation and Component Description .

    If the side obstacle detect status-left or side obstacle detect status-right message is missing or invalid for less than 5 seconds, the IPC defaults the Blind Spot Information System (BLIS) off RTT to the last state (on or off), based upon the last message received.

    If the side obstacle detect status-left or side obstacle detect status-right message is missing or invalid for 5 seconds or longer, the IPC defaults the Blind Spot Information System (BLIS) off RTT off.

    Possible Sources 

    • Communication concern
    • GWM concern
    • SODL concern
    • SODR concern
    • IPC

  2. AL1 CHECK THE MESSAGE CENTER OPERATION

    • Ignition ON.

    • Close all doors, the hood and luggage compartment lid.

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

    • Monitor the door ajar RTT.

    • Open the driver door.

    • Clear the message center popup warning.

    • Monitor the door ajar RTT.

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

    Yes  GO to  AL2
    No  GO to Pinpoint Test AO 

  3. AL2 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 DTC Chart: Instrument Panel Cluster (IPC) .
    No  GO to  AL3

  4. AL3 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  AL4

  5. AL4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Communications Network
    No  DIAGNOSE the Blind Spot Information System (BLIS). REFER to: Blind Spot Information System
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