PREVOST H3-41 Maintenance Manual page 342

SECTION 07: TRANSMISSION
FUNCTION
PID/SID
Sensor
position of
the clutch
(SEPoC and
SEPoCINV)
Slow clutch
valves low
PSID6
side (VAS-)
Slow clutch
valves low
side (VAS-)
Split
engagement
PSID23
system
58
PA1621 Maintenance Manual All Series | January 2017
ERROR
FMI
J1587
4. Short circuit
between the two
sensor signals
Deactivate:
Both sensor
signals are not
below normal
level
Activate: 1. The
CS in NVRAM is
not correct
2. The cylinder
Calibration has not been
FMI13 value out of calibrated
range
Deactivate:
Sensor signal
has been
successfully
calibrated
Activate: The
low-side drive is
Voltage
short circuit to
above normal
FMI3 Ubatt
or shorted
Deactivate: The
high
low-side drive is
OK
Activate: 1. The
low-side drive is
short circuit to
Gnd and
Current above 2. There is no
normal or active fault code
FMI6
grounded for short circuit
circuit to Gnd on VASE
or VASD
Deactivate: The
low-side drive is
OK
Conditions to
set the fault
code:
Unintentional -The split
disengageme
cylinder position
FMI0
nt of indirect leaves the
split indirect position
-The split
cylinder valves
are inactive
CONDITION SYMPTOM
Yellow lamp is
sent
Cranking is
inhibited
Engine can not
start
Yellow lamp is
sent
Slow
engagement/dis
engagement
disabled
Reduced clutch
performance,
especially at
start and
marshalling
Yellow lamp is
sent Slow
engagement
/disengagement
disabled
Reduced clutch
performance,
especially at
start and
marshalling
Yellow lamp is
sent
Loss of torque
COMMENT
The PID 33 fault code
should not be set if there is
an active fault code on the
clutch position sensor
supply (PPID 54)
Detailed conditions to
activate/deactivate:
The following conditions
must be fulfilled three times
(only once if the fault code-
filter is switched OFF) in a
row, in order to set the fault
code:
(engagement of another
gear will reset the count)
- The split cylinder position
indicates that split gear
leaves the indirect position
- The split cylinder valves
are inactive
- There is no active fault on
any of the sensor for the
position of the split cylinder
(SEPoS) the valve for shift
to direct split the valve for
shift to indirect split
- There is no active fault
code for low air pressure