PREVOST H3-41 Manual page 31

2) In the diagnostic display mode, the MODE
ON indicates an active fault condition.
Refer to the "Technical Information" section
for a list of diagnostic codes.
The shift selector will sound a tone to draw
attention to the displayed diagnostic code at the
same time the DO NOT SHIFT light is
illuminated.
The shift selector key pad is illuminated for night
driving.
The light intensity of the display and shift selector
keypad is controlled
instrument lighting dimmer (1).
Shift Selector Operation
When a shift selector push-button is pressed, a
"beep" will sound and the keypad illuminates up
indicating that the transmission is switching to
the selected range.
SHIFT SELECTOR
The function of each push-button on the shift
selector keypad is as follows:
Reverse (R)
Press the reverse (R) push-button to back-up the
coach. Make sure the coach is at a complete
stop before shifting from drive (D) to reverse (R),
or from reverse (R) to drive (D).
alarm will sound when reverse (R) is selected.
by the control and
A back-up
Neutral (N)
Make sure the parking brake is applied before
starting the engine, whenever checking coach
accessories, and for extended idling periods.
The WT shift selector automatically returns the
transmission to neutral (N) when the key in the
ignition switch is turned to the START position or
to the OFF position.
WARNING: APPLY THE PARKING BRAKE
BEFORE LEAVING THE DRIVER'S SEAT.
DO NOT LET THE DETROIT
CAUTION:
DIESEL ENGINE RUN AT LOW IDLE (550
RPM) FOR LONG. FOR EXTENDED IDLING,
RUN AT FAST IDLE (1,000 RPM).
Drive (D)
Press the drive (D) push-button for normal
driving conditions. The highest forward gear will
appear on the SELECT display and the
transmission will shift to the starting gear as
indicated on the MONITOR display.
If a coach equipped with a WT shift
NOTE:
selector drives over slick roads, the Electronic
Control Unit (ECU) will command converter
operation (disconnect
downshifts for a preset period or until normal
wheel speed has been restored.
" " (Upshift) and " " (Downshift)
Press the " " Upshift and " " Downshift push-
button to shift to a higher range (if not in Drive
[D]) or a lower range (if not in "1"). Press once
to change the range selected by one range. If
held continuously, the range selected continues
to change up or down until the push-button is
released or until the highest or lowest possible
range of gears is selected.
To display oil level codes, press both the Upshift
" " and Downshift " " once. For information
about oil level codes, refer to the "Technical
Information" section under "Oil Level Sensor
(OLS) Codes". To display the diagnostic codes,
press both the Upshift " " and Downshift " "
push-buttons twice and at the same time. For
information about diagnostic codes, refer to the
3-4
CONTROLS & INSTRUMENTS
lock-up) and inhibit