Aviator AWD V8-4.6L DOHC VIN H (2003)
Driver/Vehicle Information Display: Description and Operation
Principles of Operation (How Does It Work?)
PRINCIPLES OF OPERATION
The message center electronic functions use both hardwired, standard corporate protocol (SCP), and the universal asynchronous receiver-transmitter
(UART)-based protocol (UBP) communication networks to transmit and receive information. It is very important to understand:
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where the input (command) originates from.
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all the information (messages) necessary in order for a feature to operate.
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which module(s) receive(s) the input or command message.
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does the module which received the input (message) control the output of the feature, or does it output a message over the SCP or UBP
communication network to another module?
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which module controls the output of the feature.
The message center provides the following features:
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information displays
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setup displays
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warning messages
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system check messages
The message center information can be selected through a set of three switches:
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INFO
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SETUP
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RESET
Tire Pressure Monitoring System
The following messages may appear if the vehicle is equipped with a tire pressure monitoring system:
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CHECK TIRE PRESSURE
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CHECK SPARE TIRE PRESSURE
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WARNING TIRE VERY LOW
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TIRE PRESSURE SYSTEM OFF
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TIRE PRESSURE SYSTEM FAULT
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TIRE PRESSURE SENSOR FAULT
General information on these messages may also be found in the owner literature.
Information Displays
The information displays are non-timed modes. The selected mode remains on until the driver presses a message center switch to change the mode or
it is overridden by another mode. The information display modes are:
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compass
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odometer
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trip odometer
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distance to empty
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average fuel economy
Setup Displays
The setup displays are timed modes and terminate after a finite interval. The setup display menu may be used to activate, deactivate, or reset some
functions using the message center RESET switch. Pressing the RESET switch will toggle between the activated and deactivated states. The setup
display modes are:
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language
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English/metric units
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system check menu
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oil life status
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oil life in xx%
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charge system status
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oil pressure status
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engine temp status
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washer fluid level
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brake fluid level
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fuel level status
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distance to empty
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tire warning
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advtrac
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autolocks
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easy exit
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reverse mirror