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Home >> Lincoln >> 2023 >> Aviator Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center And Warning Chimes (Diagnosis & Testing - Removal & Installation) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Symptom Chart(s)

Symptom Chart(s)

Symptom Chart: Instrument Panel Cluster (IPC) 

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

Symptom Chart 

Condition Actions
A module does not respond to the diagnostic scan tool REFER to: Communications Network .
The IPC is inoperative GO to Pinpoint Test A 
Multiple gauges, indicators, RTT indicators, warnings and chimes are inoperative or always on GO to Pinpoint Test A 

Symptom Chart: Instrument Panel Cluster (IPC) - Gauges 

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

Symptom Chart 

Condition Actions
Incorrect fuel gauge indication GO to Pinpoint Test D 
The speedometer is inoperative GO to Pinpoint Test E 
Incorrect speedometer indication GO to Pinpoint Test F 
A virtual gauge is inoperative (AWD, fuel, speedometer, tachometer or temperature) GO to Pinpoint Test B 
A hybrid virtual gauge is inoperative (high voltage battery) GO to Pinpoint Test C 

Symptom Chart: Instrument Panel Cluster (IPC) - RTT Indicators 

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

Symptom Chart 

Condition Actions
The ABSRTT indicator is never or always displayed GO to Pinpoint Test H 
The airbag warning RTT indicator is never or always displayed GO to Pinpoint Test I 
The auto high beam RTT indicator is never or always displayed GO to Pinpoint Test AP 
The auto hold RTT indicator is never or always displayed GO to Pinpoint Test AQ 
The auto stop-start RTT indicator is never or always displayed GO to Pinpoint Test J 
The Blind Spot Information System (BLIS®) off RTT indicator is never or always displayed GO to Pinpoint Test AR 
The brake system RTT indicator is never displayed GO to Pinpoint Test K 
The brake system RTT indicator is always displayed GO to Pinpoint Test L 
The charging system RTT warning indicator is never or always displayed GO to Pinpoint Test M 
The compass RTT indicator is inoperative or never displayed GO to Pinpoint Test AH 
The cruise control RTT indicator is never displayed GO to Pinpoint Test AS 
The distance alert RTT indicator is never or always displayed GO to Pinpoint Test AT 
The door ajar RTT warning indicator is never or always displayed GO to Pinpoint Test N 
The drive mode (normal, conserve, excite, slippery, deep conditions, pure EV, preserve EV) RTT indicator is inoperative or displays the incorrect features GO to Pinpoint Test AU 
The electric park brake RTT warning indicator is never or always displayed GO to Pinpoint Test O 
The engine over-temperature RTT warning indicator is never or always displayed GO to Pinpoint Test P 
The Electric Vehicle (EV) motor over-temperature RTT warning indicator is never or always displayed (China) GO to Pinpoint Test AW 
The forward collision RTT warning indicator is never or always displayed GO to Pinpoint Test AX 
The front fog lamp RTT indicator is never or always displayed GO to Pinpoint Test R 
The hazard RTT warning indicator is never or always displayed (Hybrid) GO to Pinpoint Test AV 
The high beam RTT indicator is never or always displayed GO to Pinpoint Test R 
The hill descent RTT indicator is never or always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the hill descent switch. REFER to: Anti-Lock Brake System (ABS) and Stability Control .
The lane keeping system RTT indicator is never or always displayed GO to Pinpoint Test BA 
The LH / RH turn RTT indicator is never or always displayed GO to Pinpoint Test R 
The LED low beam malfunction RTT indicator is never or always displayed GO to Pinpoint Test T 
The lights on RTT indicator is never or always displayed GO to Pinpoint Test S 
The low engine oil pressure RTT warning indicator is never or always displayed GO to Pinpoint Test U 
The low fuel RTT warning indicator is never or always displayed GO to Pinpoint Test V 
The low washer fluid level RTT warning indicator is never or always displayed GO to Pinpoint Test BB 
The MILRTT warning indicator is never or always displayed GO to Pinpoint Test W 
The overspeed warning RTT warning indicator is never or always displayed (Gulf Cooperative Countries [GCC] only) GO to Pinpoint Test X 
The powertrain malfunction (wrench) RTT indicator is never or always displayed GO to Pinpoint Test Y 
The PRND RTT indicator is never or always displayed GO to Pinpoint Test Z 
The ready to drive RTT indicator is never or always displayed (Hybrid only) GO to Pinpoint Test AA 
The rear fog lamp RTT indicator is never or always displayed (except North America) GO to Pinpoint Test R 
The rear seatbelt RTT warning indicator is never or always displayed GO to Pinpoint Test BC 
The seatbelt RTT warning indicator is never or always displayed GO to Pinpoint Test AB 
The SelectShift RTT indicator is never or always displayed GO to Pinpoint Test BD 
The speed limiter RTT indicator is never or always displayed (except North America) DIAGNOSE the speed limiter feature of the cruise control system. REFER to: Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering .
The speed limit sign recognition RTT indicator is never or always displayed GO to Pinpoint Test BE 
The stability-traction control RTT indicator is never or always displayed GO to Pinpoint Test AC 
The traction control disabled RTT indicator is never or always displayed GO to Pinpoint Test AD 
The TPMSRTT indicator is never or always displayed GO to Pinpoint Test AE 
The tow haul RTT indicator is never or always on GO to Pinpoint Test AF 
The vehicle plugged in RTT indicator is never or always displayed (PHEV) GO to Pinpoint Test BF 

Symptom Chart: Information And Message Center -Displays 

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

Symptom Chart 

Condition Actions
The message center is not operating correctly GO to Pinpoint Test AG 
The message center display is blank GO to Pinpoint Test AG 
A virtual display is inoperative GO to Pinpoint Test AG 
The adaptive cruise control distance display is inoperative DIAGNOSE the adaptive cruise control indications. GO to Pinpoint Test AS 
The average fuel economy (AFE) display is incorrect or inoperative INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) .
The brake coach display is inoperative GO to Pinpoint Test AJ 
The compass is inoperative GO to Pinpoint Test AH 
The digital speedometer displays the incorrect speed DIAGNOSE the speedometer. GO to Pinpoint Test F 
The DTE display is inoperative (no display, not shown, blank, frozen permanently) CHECK the operation of the fuel gauge, the speedometer and the odometer.
If the fuel gauge does not operate correctly, GO to Pinpoint Test D 
If the speedometer does not operate correctly, GO to Pinpoint Test E 
If the odometer does not operate correctly, GO to Pinpoint Test G 
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 GO to Pinpoint Test AI 
The electric efficiency display is incorrect or inoperative GO to Pinpoint Test AK 
The Electric Vehicle (EV) coach display is inoperative GO to Pinpoint Test AL 
The Electric Vehicle (EV) range display is inoperative GO to Pinpoint Test AM 
The foward collision warning alert display is inoperative GO to Pinpoint Test AX 
The fuel economy display is inoperative GO to Pinpoint Test AN 
The lane centering assist display is inoperative GO to Pinpoint Test AZ 
The lane keeping alert display is inoperative DIAGNOSE the lane keeping aid or lane keeping alert does not turn on or activate. REFER to: Lane Keeping System .
The odometer display is inoperative GO to Pinpoint Test G 
The outside air temperature display is inoperative or incorrect GO to Pinpoint Test AO 
The TPMS display is inoperative or incorrect Verify the message center is set to display the TPMS tire pressures. REFER to the Owner's Literature for message center navigation.
If the message center is set to display tire pressures, DIAGNOSE the TPMS. GO to Pinpoint Test AE 
If the message center is not set to display the tire pressures, EXPLAIN to the customer how to navigate the message center menu to display the TPMS tire pressures.
The trip summary display is inoperative INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) .

Symptom Chart: Information And Message Center - Warnings 

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

Symptom Chart 

Condition Actions
The AWD message is always displayed DIAGNOSE the AWD system.
The active park assist message is always displayed DIAGNOSE the active park assist system. REFER to: Parking Aid .
The adaptive cruise control message is always displayed DIAGNOSE the adaptive cruise control system. REFER to: Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering .
The adaptive headlamp message is always displayed DIAGNOSE the adaptive headlamps. REFER to: Headlamps .
The auto stop-start warning message is always displayed DIAGNOSE the auto stop-start system. Refer to the appropriate Engine System article for the procedure.
A Blind Spot Information System (BLIS®)/Cross Traffic Alert (CTA) fault message is always displayed DIAGNOSE the Blind Spot System (BLIS®)/Cross Traffic Alert (CTA) system. REFER to: Blind Spot Information System .
A brake warning (brake fluid level low, parking brake applied or brake system malfunction) message is never or always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly and the brake warning indicator is never on, GO to Pinpoint Test K 
If the driver door ajar message functions correctly and the brake warning indicator is always on, GO to Pinpoint Test L 
The charging system warning message is always displayed DIAGNOSE the charging system. REFER to: Charging System .
The charge port door ajar message is always displayed GO to Pinpoint Test BG 
The check fuel fill inlet message is always displayed GO to Pinpoint Test BH 
The check fuel door or refuel error message is always displayed (PHEV) GO to Pinpoint Test BH 
A door, liftgate or hood ajar warning message is never or always displayed DIAGNOSE the door ajar RTT. GO to Pinpoint Test N 
The electric park brake fault message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the electric parking brake. REFER to: Anti-Lock Brake System (ABS) and Stability Control .
The electronic door latch system warning message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the electronic door latch system. REFER to: Locks, Latches and Entry Systems .
The EPAS (steering system) malfunction message is always on OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the EPAS. REFER to: Power Steering .
The engine oil life message is never displayed
NOTE: Using the system check in the message center, verify the oil life is between 1 and 5% for the CHANGE ENGINE OIL SOON message or at 0% for the OIL CHANGE REQUIRED message.
OPEN then CLOSE the driver door and VERIFY the driver door ajar message functions correctly.If the driver door ajar message does not function correctly, GO to Pinpoint Test N If the driver door ajar message functions correctly with the oil life between 0-5%, INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) .If the driver door ajar message functions correctly with the oil life not  at the specified value, INFORM the customer how the message center functions and how the oil life messages are set.
The engine oil change message is always displayed GO to Pinpoint Test BI 
The engine over-temperature warning message is never or always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the engine over-temperature RTT warning indicator. GO to Pinpoint Test P 
The Electric Vehicle (EV) fuel message is always displayed GO to Pinpoint Test BK 
The Electric Vehicle (EV) low engine use mode message is always displayed GO to Pinpoint Test BK 
The factory or transport mode message is always displayed PLACE the vehicle in normal operation mode. REFER to: Factory Mode Deactivation . or REFER to: Transport Mode Deactivation .
A forward collision warning message is always displayed DIAGNOSE the forward collision warning system. REFER to: Collision Warning and Collision Avoidance System .
A hill descent control message is always displayed DIAGNOSE the hill descent control system. REFER to: Anti-Lock Brake System (ABS) and Stability Control .
The hill start assist not available message is always displayed DIAGNOSE the hill start assist feature. REFER to: Anti-Lock Brake System (ABS) and Stability Control .
The lane keeping alert system warning message (keep hands on wheel) is never or always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the lane keeping alert warning chime. GO to Pinpoint Test BW 
A lane keeping system fault message is always displayed DIAGNOSE the lane keeping system. REFER to: Lane Keeping System .
A load shed warning message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the charging system warning indicator or charging system RTT. GO to Pinpoint Test M 
A locking system (child lock malfunction, switches inhibited) warning message is always displayed DIAGNOSE the locking system. REFER to: Locks, Latches and Entry Systems .
The low fuel warning message is always displayed DIAGNOSE the low fuel warning indicator. GO to Pinpoint Test V 
The low engine oil pressure warning message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the low engine oil pressure RTT indicator. GO to Pinpoint Test U 
A MyKey® menu is not available or incorrect
NOTE: MyKey® may not be compatible with non-Ford approved remote start systems.
REFER to the Owner's Literature.
The neutral tow warning is never or always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the AWD system.
The parking aid message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the parking aid system. REFER to: Parking Aid .
The park not available message is always displayed DIAGNOSE the electric park system. REFER to the appropriate Automatic Transmission article.
A passive entry-start message (no key detected, key program failure, key battery low) is always displayed DIAGNOSE the PATS. REFER to: Passive Anti-Theft System (PATS) .
A pedestrian alert warning message is always displayed DIAGNOSE the pedestrian alert system. REFER to: Pedestrian Alert System .
The perimeter alarm message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the perimeter alarm system. REFER to: Perimeter Anti-Theft Alarm .
The pre-collision assist warning is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the collision assist system. REFER to: Collision Warning and Collision Avoidance System .
The rear seatbelt monitor warning message is always displayed GO to Pinpoint Test BC 
Service AdvanceTrac® warning message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the stability-traction control warning indicator. GO to Pinpoint Test AD 
A starting/ignition status message is always displayed (to start press brake) OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the ignition/starting system concern. REFER to: Steering Wheel and Column Electrical Components .
A TPMS malfunction message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the TPMS warning indicator. GO to Pinpoint Test AE 
The tire training complete message is never on GO to Pinpoint Test DH 
A tire training message (train left front, right front, left rear or right rear tire) message is never on GO to Pinpoint Test DH 
The tires not trained message is always on GO to Pinpoint Test DH 
The trailer lighting message or trailer not connected message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the trailer lamps. REFER to: Trailer Lamps .
The transmission not in park (shift to park) message is always displayed OPEN then CLOSE the driver door and VERIFY the driver door ajar message displays correctly with the door open and closed.
If the driver door ajar message does not function correctly, GO to Pinpoint Test N 
If the driver door ajar message functions correctly, DIAGNOSE the PRND. GO to Pinpoint Test Z 
The vehicle on warning message is never or always displayed GO to Pinpoint Test BJ 

Symptom Chart: Warning Chimes 

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

Symptom Chart 

Condition Actions
All the chimes are inoperative GO to Pinpoint Test A 
The chime always sounds GO to Pinpoint Test BR 
The chime only sounds from the IPC GO to Pinpoint Test DI 
The active park assist warning chime is inoperative GO to Pinpoint Test BL 
The adaptive cruise control warning chime is inoperative GO to Pinpoint Test BM 
The airbag secondary warning chime has activated INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) .
The backup warning chime is inoperative (except North America) GO to Pinpoint Test BN 
The Belt-Minder® feature is inoperative GO to Pinpoint Test CB 
The Belt-Minder® cannot be deactivated The system is operating correctly. Use an administrator key to disable the Belt-Minder®.
The Blind Spot Information System (BLIS®)/Cross Traffic Alert (CTA) warning chime is inoperative GO to Pinpoint Test BO 
The door ajar warning chime is inoperative With the ignition OFF, the headlamps in the PARKING LAMPS position and the doors closed, OPEN the driver door and VERIFY the headlamps on warning chime sounds.
If the headlamps on chime sounds, GO to Pinpoint Test N 
If the headlamps on chime does not sound, GO to Pinpoint Test BT 
The electronic door latch lock/unlock chime is inoperative GO to Pinpoint Test BP 
The Electric Vehicle (EV) engine off reminder chime is inoperative GO to Pinpoint Test BQ 
The forward collision warning chime is inoperative GO to Pinpoint Test AX 
The fuel door release chime is inoperative GO to Pinpoint Test AY 
The headlamps on warning chime is inoperative GO to Pinpoint Test BT 
The home safe light chime is inoperative GO to Pinpoint Test BT 
The ignition-engine on warning chime is inoperative GO to Pinpoint Test BU 
The key-in-ignition warning chime is inoperative GO to Pinpoint Test BV 
The lane keeping aid warning chime is inoperative
NOTE: The lane keeping aid warning chime only sounds to alert the driver they have their hands off the steering wheel. Normal alerting is done through steering wheel vibrations, which cannot be felt when the driver's hands are not on the steering wheel.
GO to Pinpoint Test BW 
The lane keeping aid warning chime sounds with the hands on the steering wheel Certain road conditions could lead to false activation of the chime. REFER to: Lane Keeping System .
The memory feedback chime is inoperative GO to Pinpoint Test BX 
The message center warning chime is inoperative With all the doors closed and the ignition OFF, PLACE the ignition ON. Once the IPC has completed the prove-out, OPEN the driver door and VERIFY the IPC displays the door ajar indicator or RTT indicator and the chime sounds once.
If the chime sounds, the system is operating correctly. The message center warning chime only sounds when a new warning is displayed in the message center.
If the door ajar message does not display, GO to Pinpoint Test N 
If the door ajar message displays and the chime does not sound, INSTALL a newIPC. REFER to: Instrument Panel Cluster (IPC) .
The parking aid chime is inoperative GO to Pinpoint Test BL 
The parking brake warning chime is inoperative GO to Pinpoint Test BY 
The perimeter alarm chime is inoperative GO to Pinpoint Test BZ 
The power liftgate chime is inoperative GO to Pinpoint Test CA 
The transmission not in park warning chime is inoperative With the ignition OFF, the headlamps in the PARKING LAMPS position and the doors closed, OPEN the driver door and VERIFY the headlamps on warning chime sounds.
If the headlamps on chime sounds, DIAGNOSE the PRND indicator.GO to Pinpoint Test Z 
If the headlamps on chime does not sound, GO to Pinpoint Test BT 
The seatbelt warning chime is inoperative GO to Pinpoint Test CB 
The Service AdvanceTrac® warning chime is inoperative With the ignition OFF, the headlamps in the PARKING LAMPS position and the doors closed, OPEN the driver door and VERIFY the headlamps on warning chime sounds.
If the headlamps on chime sounds, DIAGNOSE the stability-traction control RTT indicator. GO to Pinpoint Test AC 
If the headlamps on chime does not sound, GO to Pinpoint Test BT 
The turn signal-hazard on warning chime is inoperative GO to Pinpoint Test CC 
The turn signal left on chime is inoperative GO to Pinpoint Test CC