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Instruments
Ametek Instrument Panel
The following information describes a typical instru-
ment panel manufactured by Ametek.
Fig. 2.2
show instrument panels for vehicles that are
compliant with EPA10 and newer regulations, for
both diesel and hybrid-electric vehicles (HEV).
ure 2.3
and
Fig. 2.4
show instrument panels for ve-
hicles that are EPA07-compliant for both diesel and
HEV vehicles.
NOTE: These instrument panels are shown with
a standard U.S. speedometer, which shows
miles per hour (mph) more prominently than ki-
lometers per hour (km/h).
Message Display Center
The message display is a graphical, backlit, liquid
crystal display (LCD) that relays information to the
vehicle operator. The messages displayed include:
•
Odometer
•
Trip Odometer 1/Trip Odometer 2
•
Chassis Battery Voltage
•
Instantaneous Fuel Rate
•
Average Fuel Rate
•
Gear Attained Status
•
Transmission Temperature
•
Hour Meter
•
Boost Pressure
•
Engine Oil Pressure
•
Coolant Temperature
•
Fuel Level
•
Percent Engine Load
•
Engine RPM
During normal operation, the LCD displays the odom-
eter value and chassis battery voltage on the top
line, and driver selected parameters, such as the trip
odometer and fuel rate, on the second and third
lines.
Priority Messages
Priority messages (including warning messages) are
displayed in the LCD due to various inputs or data
2.1
messages. Unless noted otherwise, the priority mes-
sage will take over the whole screen, allowing mul-
tiple messages to be displayed in five second inter-
vals.
Figure 2.1
and
Self-Test
Fig-
When the ignition is turned on, a required self-test
automatically begins. Gauge needles will reset to
zero during the self-test, and then immediately move
to the position dictated by the data received. During
this time, the warning lights, alarm (buzzer), and
driver display screen will also perform a self-test.
NOTE: The driver can activate or deactivate the
start-up self-test by accessing the setup menu.
Menu System
The menu system is shown on the driver display
screen once the self-test is finished. The menu sys-
tem responds to input from the driver and remains
active as long as the ignition is on. In order for the
driver to operate the menu system, the ignition must
be ON, and the park brake must be set (ON). The
main features of the menu system are described
below.
NOTE: No lines can be highlighted in the menu
system screen. To get to the sections that can
be highlighted, press the right arrow toggle but-
ton and hold it for two seconds. The display
screen will change and the options shown can
then be highlighted. Once a selection has been
chosen and changes are made, press the right
arrow toggle button to go back to the main mes-
sage display screen.
•
Setup—this is used to set various parameters,
which are saved when the ignition is turned off.
Setup has select display units, startup screen,
LCD contrast, and reset parameters.
•
Maintenance—shows various maintenance in-
tervals such as engine oil, air filter, etc.
•
Diagnostics—this is used for setting and read-
ing inputs and outputs and checking the
gauges. It also shows the hardware and soft-
ware version of the instrument panel, and has
menus to retrieve active error codes from the
engine, transmission, and ABS controllers.
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