PREVOST H3-41 Maintenance Manual page 327

FUNCTION
PID/SID
ECU (ECS)
Missing data
on J1939
PSID201
from VECU
Missing data
on J1939
from VECU
Powertrain
PSID232
CAN
Powertrain
CAN
ERROR
FMI
J1587
received within
10s, and ECS is
installed
Deactivate: The
FMI shall be
cleared if
message VW is
received at
normal rate
Activate: The
FMI shall be set
if the acc pedal
pos or service
brake-switch
from the VECU
Abnormal (MID144) is
frequency, incorrect
FMI8
pulse width or Deactivate: The
period FMI shall be
cleared if the acc
pedal pos and
service brake-
switch from the
VECU (MID144)
are correct
Activate: The
FMI shall be set
if message VP2
from VECU
(MID144) is not
received within
Abnormal
FMI9 100ms
update rate
Deactivate: The
FMI shall be
cleared if
message VP2 is
received at
normal rate
Activate: The
FMI shall be set
if the CAN
transceiver
signals
Data erratic,
"busOFF"
FMI2 intermittent or
Deactivate: The
incorrect
FMI shall be
cleared if the
CAN-transceiver
does not signal
"busOFF"
Activate: The
FMI shall be set
Abnormal if message
FMI9
update rate VP24/MID128 is
not received
within 100ms
PA1621 Maintenance Manual All Series | January 2017
SECTION 07: TRANSMISSION
CONDITION SYMPTOM
Yellow lamp
If pedal pos is
undefined,
automatic gear
selection enters
backup mode
with gear
changes only at
certain vehicle
speeds
If pedal pos is
undefined,
gearbox comfort
at start and
marshalling
might be
reduced
If service brake
is undefined,
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
Gearbox comfort
at start and
marshalling
might be
reduced
Yellow lamp is
sent
Reduced
automatic gear
selection and
gear change
performance
Yellow lamp is
sent
Reduced
automatic gear
selection and
gear change
COMMENT
This fault code is only valid
for vehicles where a
Pwertrain_CAN link exist
between the TECU and the
engine.
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