PREVOST H3-41 Maintenance Manual page 325

FUNCTION
PID/SID
J1708/J1587
SID250
J1939
SID231
Missing data
on J1939
PSID204
form BECU
Missing data
on J1939
form BECU
Missing data
on J1939
PSID207
form GECU
ERROR
FMI
J1587
Activate: The
FMI shall be set
if any of the
messages* have
not been
received on the
Abnormal
bus for 30s
FMI9
update rate
Deactivate: The
FMI shall be
cleared if all
messages* are
sent on the bus
*PID190, PID85
and PPID212
Active: This FMI
shall be set if the
CAN transceiver
Data erratic,
signals "bus-off"
FMI2 intermittent or
Deactivate: FMI
incorrect
cleared if CAN-
transceiver does
not signal "bus-
off"
Activate: The
FMI shall be set
if the wheel
speeds from the
BECU (MID136)
Abnormal
are incorrect
frequency,
FMI8 Deactivate: The
pulse width or
FMI shall be
period
cleared if the
wheel speeds
from the BECU
(MID136) are
correct
Activate: The
FMI shall be set
if message WSI
from BECU
(MID136) is not
received within
Abnormal
FMI9 1s
update rate
Deactivate: The
FMI shall be
cleared if
message WSI is
received at
normal rate
Activate: The
FMI shall be set
Abnormal
FMI9
if message VP6
update rate
from GECU
(MID223) is not
PA1621 Maintenance Manual All Series | January 2017
SECTION 07: TRANSMISSION
CONDITION SYMPTOM
Yellow lamp is
sent
Fault codes can
not be read
On-vehicle tests
can not be
performed
Yellow lamp is
sent
Much reduced
gear selection
and gear change
performance
Yellow lamp
Automatic gear
selection enters
backup mode
with gear
changes only at
certain vehicle
speeds
Yellow lamp
Automatic gear
selection enters
backup mode
with gear
changes only at
certain vehicle
speeds
Yellow lamp
Slow response
on manual gear
changes and
slow response
COMMENT
any of the following
conditions are fulfilled:
- The 2/3 position sensor
indicates that neutral
position is engaged
- There is an active fault
code on any of the 2/3
position sensor (SEPo23)
the valve for shift to 2:nd
gear the valve for shift to
3:rd gear
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