PREVOST H3-41 Maintenance Manual page 298

SECTION 07: TRANSMISSION
The following table illustrates how to access Oil Level Check, Prognostics & Diagnostic
Troubleshooting Codes functions on the Allison pushbutton shift selector.
(Upshift) &
(Downshift) arrow
buttons pressed
simultaneously *
1 press Allison transmission oil level check
st
2 press Oil Life Monitor
nd
Oil life remaining will range from 99% down to 00%
3 rd press Filter Life Monitor
Present life of filter is acceptable
Present life of filter is unacceptable
4 th press Transmission Health Monitor
Shows "
more of the clutch(es) wear enough so that the
programming changes
One or more of the clutches have worn enough to change
the program
5 th press Display of diagnostic codes
* With the engine off and ignition on.
14
PA1621 Maintenance Manual All Series | January 2017
Description
" until remaining life of one or
TRANS HEALTH OK
Message
" O " " M "
Some Some
number number
from 9 from 9
to 0 to 0
" F" " M "
OIL FILTER OK
REPLACE FILTERS
" T" " M "
TRANS HEALTH OK
TRANS HEALTH LO