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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 >> Symptom Chart(s) >> Symptom Chart: Information and Message Center Displays RTT Indicators

Symptom Chart: Information and Message Center Displays RTT Indicators

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Symptom Chart 

Condition Possible Sources Actions
The message center is not operating correctly Refer to the Pinpoint Test GO to Pinpoint Test U 
The compass is inoperative Refer to the Pinpoint Test GO to Pinpoint Test V 
The DTE-Average Fuel Economy (AFE) display is inoperative IPC CHECK the operation of the fuel gauge, the speedometer and the odometer.
If the fuel gauge does not operate correctly, for single sender L-shaped fuel tank, GO to Pinpoint Test C  For dual sender saddle-type fuel tank, GO to Pinpoint Test D 
If the speedometer is inoperative, GO to Pinpoint Test B 
If the odometer does not operate correctly, GO to Pinpoint Test E 
If the speedometer, the fuel gauge and the odometer operate correctly, INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) .
The DTE display is incorrect or fluctuates Refer to the Pinpoint Test GO to Pinpoint Test W 
The outside air temperature display is incorrect or inoperative Refer to the Pinpoint Test GO to Pinpoint Test X 
The auto high beam RTT is never or always on Refer to the Pinpoint Test GO to Pinpoint Test Y 
The auto hold RTT is never or always on Refer to the Pinpoint Test GO to Pinpoint Test Z 
The auto stop-start RTT is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AA 
The BLIS off RTT indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AB 
The charging system RTT warning indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AC 
The cruise control RTT indicator is never on Refer to the Pinpoint Test GO to Pinpoint Test AD 
The door ajar, hood ajar or liftgate ajar RTT warning indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AE 
The engine over-temperature RTT warning indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AF 
The lane centering assist RTT indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AG 
The lane keeping system RTT indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AH 
The low fuel RTT warning indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AI 
The low engine oil pressure RTT warning indicator is never or always on (2.0L and 2.7L engines) Refer to the Pinpoint Test GO to Pinpoint Test AJ 
The low washer fluid level RTT warning indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AK 
The powertrain malfunction (wrench) RTT indicator is never or always on Refer to the Pinpoint Test GO to Pinpoint Test AL