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Home >> Lincoln >> 2021 >> Aviator Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center And Warning Chimes (1 Of 2) >> Description And Operation >> Head Up Display (HUD) - System Operation and Component Description >> System Operation >> HUD Displays

HUD Displays

Active Driver Assist 

The active driver assist system display is located in the lower portion in the center of the HUD just above the speedometer display area.

The HUD provides the active driver assist display to indicate the following:

BLIS/ CTA 

The HUD provides BLIS indicators to warning the driver that a vehicle has entered the BLIS/ CTA monitored zones. The BLIS indication is displayed in the LH and RH sides of the HUD. The display area is also shared with the LH, RH and hazard indication area. If the turn or hazard indicators are on and a BLIS/ CTA alert is received, the HUD turns off the turn or hazard indication and displays the applicable BLIS warning.

The HUD module receives all messages from the GWM over the HS-CAN3.

The GWM receives the cross traffic alert left status, side obstacle sensor status-left and side obstacle left warning messages from the SODL over the MS-CAN.

The GWM receives the cross traffic alert right status, side obstacle sensor status-right and side obstacle right warning messages from the SODR over the MS-CAN.

Clock 

The HUD provides a clock display that is controlled by a global vehicle clock strategy in the BCM. The HUD module receives the global clock data from the GWM over the HS-CAN3. The GWM receives the global clock data from the BCM over the HS-CAN1.

Cruise Control/ACC With Stop And Go 

The ACC display provides the gap and follow distance (as a graphical distance display) as well as the set speed (shown below the ACCRTT indicator).

The stop and go feature (part of the ACC) provides vehicle braking, stopping and accelerating based on the status of the vehicle in front. The display provides a graphical distance display with increasing or decreasing levels of fill depending on the vehicle's distance from the vehicle in front of it.

The HUD module receives all messages required to control the cruise control/ ACC and stop and go displays from the GWM over the HS-CAN3.

The GWM receives the cruise control override, cruise control set speed and the cruise control status messages from the PCM over the HS-CAN1.

The GWM receives the following messages from the IPMA over the HS-CAN2.

Digital Speedometer 

The HUD provides a digital vehicle speed display in the lower center of the HUD. When the digital speedometer is selected on in the HUD, the speedometer in the IPC only shows a minimal detail. The HUD module receives the vehicle speed display and metric display messages from the IPC over the HS-CAN3.

Distance Alert 

The active driver assist display provides a distance alert as part of the ACC displays to indicate the distance to the vehicle in front and visually provide warning when the vehicle is too close. The graphical distance display on the road becomes a solid image that increases or decreases fill based on the distance to the vehicle in front of it. As the vehicle approaches a distance requiring an alert, the display fill turns from amber to red.

The HUD module receives the forward distance alert warning indicator request message from the GWM over the HS-CAN3. The GWM receives the forward distance alert warning indicator request message from the IPMA over the HS-CAN2.

DTE - Electric Vehicle (EV) Range 

The HUD provides an Electric Vehicle (EV) range display indicating the approximate distance the vehicle can travel on the current battery charge. The indication is displayed in the lower RH corner of the HUD, above the DTE display.

The HUD receives the EV range display message from the GWM over the HS-CAN3. The GWM receives the EV range display message from the PCM over the HS-CAN1.

DTE - Low Fuel 

The HUD provides a DTE display that ranges from 0 to 999 km/miles in the lower RH corner of the HUD. The display provides both the DTE and a low fuel warning that changes the fuel icon from white to amber. The HUD module receives the fuel range display and fuel level warning messages from the IPC over the HS-CAN3.

Forward Collision Warning Alert 

The HUD provides a forward collision warning alert display, which consists of a single red bar across the center of the display, to alert the driver of a possible front collision event. All other selected HUD displays will be hidden when the forward collision alert is displayed.

The HUD module receives the forward collision warning indicator request message from the GWM over the HS-CAN3. The GWM receives the forward collision warning indicator request message from the IPMA over the HS-CAN2.

Infotainment-Navigation And Phone 

The HUD provides audio, navigation and phone information. The HUD receives the audio-navigation switch button states message from the GWM over the HS-CAN3. For additional audio, navigation and phone information, Refer to: Information and Entertainment System .

The HUD receives the voice recognition status message from the APIM over the HS-CAN3.

The HUD module receives the audio source status and audio system response status messages from the ACM over the HS-CAN3.

The GWM receives the audio-navigation switch button states message from the SCCM (without adaptive front steering) or the SASM (with adaptive front steering) over the HS-CAN2.

Lane Centering (Traffic Jam) Assist 

The HUD provides a lane centering indicator in the center display along with the adaptive cruise control and lane keeping system displays. The displays indicate the system is active or cancelled, or notifies the driver when intervention is required.

The HUD module receives the traffic jam assist status display and traffic jam assist warning request messages from the GWM over the HS-CAN3. The GWM receives the traffic jam assist status display and traffic jam assist warning request messages from the IPMA over the HS-CAN2.

Lane Keeping System 

The lane keeping system combines the lane keeping alert and lane keeping aid systems. The lane keeping alert system alerts the driver of unintentional drifting outside of the lane and the lane keeping aid system corrects the vehicle steering to keep the vehicle in the center of the lane. The HUD provides a lane keeping display with a view of the vehicle in the middle of a lane with right and left lane markers to indicate the vehicle position with relation to the lane markings and arrows on either side of the vehicle. The lane markers and arrows change color based on the vehicle position within the lane and any required intervention to keep the vehicle in the center of the lane. For additional information on the lane keeping system operation, Refer to: Lane Keeping System - System Operation and Component Description .

The HUD module receives the camera configuration and lane keeping system status display messages from the GWM over the HS-CAN3.

The GWM receives the camera configuration and lane keeping system status display messages from the IPMA over the HS-CAN2.

LH, RH Turn And Hazard 

The LH, RH turn and hazard indication displayed in the HUD is redundant to the LH, RH turn and hazard indication displayed in the IPC. The HUD displays the LH, RH turn and hazard indication in the lower LH and RH sides of the HUD screens. The display area is also shared with the BLIS indication, which takes precedence over the turn or hazard indication.

The HUD module receives the left turn lamp on request and right turn lamp on request messages from the GWM over the HS-CAN3. The GWM receives the left turn lamp on request and right turn lamp on request messages from the BCM over the HS-CAN1.

Memory Set/Recall 

The HUD provides the ability for the driver to retain personalized settings for up to 3 drivers. For additional information related to the vehicle memory features, Refer to: Front Seats - System Operation and Component Description .

The HUD receives the memory command message from the GWM over the HS-CAN3.

The GWM receives the memory command message from the DSM over the MS-CAN.

Outside Air Temperature 

The HUD provides an outside air temperature display in the lower LH corner of the display next to the clock. The Ambient Air Temperature (AAT) sensor is hardwired to the PCM through separate input and return circuits. The PCM provides a reference voltage to the Ambient Air Temperature (AAT) sensor and monitors the change in voltage resulting from changes in resistance as determined by outside air temperature.

The PCM is programmed to update the messaged outside temperature data at different rates depending on several criteria (current engine temperature, engine off time and vehicle speed) to prevent false temperature displays due to a condition known as heat soaking. Heat soaking is where the outside air temperature is hotter in the location of the Ambient Air Temperature (AAT) sensor than the actual outside air temperature.

The PCM sends the ambient air temperature data to the GWM through the HS-CAN1. The GWM sends the ambient air temperature data message to the HVAC module over the MS-CAN. The HVAC module sends the filtered outside air temperature data through the GWM to the HUD module over the HS-CAN3.

Speed Sign Display 

The HUD provides a speed sign display based on the traffic sign recognition data received from the IPMA. The HUD module receives the traffic sign recognition status request message from the GWM over the HS-CAN3. The GWM receives the traffic sign recognition status request message from the IPMA over the HS-CAN2.

Transmission Gear 

The HUD provides a transmission gear display just to the left of the digital speedometer in the lower center of the HUD to indicate what gear has been selected. The HUD module receives the transmission gear display and transmission gear display mode messages from the GWM over the HS-CAN3. The GWM receives the transmission gear display and transmission gear display mode messages from the PCM over the HS-CAN1.

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