Primary And Secondary Shift Schedules; Transmission Service Indicator; Description Of Available Ranges - PREVOST H3-45 VIP Owner's Manual

4-74 Controls and Instruments
R: Press to select Reverse gear.
NOTE
The forward limit speed to activate the reverse
gear is 5 mph.
N: Press to select Neutral.
D: Press to select Drive. The highest forward range
available will appear in the digital display window
under SELECT. The transmission will start out in the
lowest available forward range, displayed under
MONITOR, and advance automatically to the
highest range.
Ç È : Press respectively the Ç (Upshift) or È
(Downshift) arrow button when in DRIVE to request
the next higher or lower range. One press changes
gears by one range. If the button is held down, the
selection will scroll up or down until the button is
released or until the highest or lowest possible range
is selected. Protection mechanisms inhibit selecting
ranges that are not appropriate for the current speed
or which may damage driveline components.
MODE: Pressing the MODE button allows the driver
to activate the secondary shift schedule that has
been programed into the TCM unit.
PRIMARY AND SECONDARY SHIFT
SCHEDULES
The primary shift schedule is the default mode at
starting of the engine and is typically specified to
accommodate normal vehicle operation. The
transmission controller automatically
between ECONOMY and PERFORMANCE shift
strategy, based on the vehicle actual load and the
grade on which the vehicle is operating. This is
called Load Based Shift Scheduling (LBSS). This
can produce improved overall vehicle fuel
economy while still enabling high productivity
when the vehicle is loaded.
In the secondary shift schedule, only the
ECONOMY shift strategy is available. No
switching is done between shift strategies. The
secondary shift mode is available only if selected
by the driver, using the MODE button. When the
secondary mode is activated, "MODE" illuminates
on the display.
NOTE
When the diagnostic display mode has been
entered, the MODE button is used to view and
toggle through diagnostic code information.
Refer to appendix C for more details about
diagnostic code display procedure and fluid level
check using the pushbutton shift selector.

TRANSMISSION SERVICE INDICATOR

: This indicator will be illuminated upon the
detection of a service issue relating to clutch, filter
or fluid life. The appearance of the indicator (lit
steadily, flashing, etc.) varies for each of the
conditions monitored by the system. Refer to
appendix C for more details about diagnostic code
display procedure, fluid level check or prognostic
features (Oil Life Monitor, Filter Life Monitor and
Transmission
pushbutton shift selector.
Illuminated at startup for a bulb check, this
indicator will then be turned off if no service
conditions exist.

DESCRIPTION OF AVAILABLE RANGES

R (Reverse)
Press
Completely stop the vehicle and let the engine
return idle before shifting from forward range «D»
to reverse «R» or from reverse to forward range.
The reverse warning signal will be activated when
this range is selected.
selects
N (Neutral)
Use this position to start the engine. Select «N»
(Neutral) when checking vehicle accessories and
for extended periods of engine idle operation;
parking brake must then be applied. The
pushbutton shift selector automatically select «N»
(Neutral) when the ignition switch is turned On.
NOTE
The automatic transmission does not have a
park «P» position. Select «N» (Neutral) and
apply parking brake when the vehicle is left
unattended. An audible alert will sound if the
engine is stopped and the parking brake is not
applied.
PA-1619 Owner's Manual H3-45 VIP
Health Monitor)
the «R» button to select
using the
reverse.