PREVOST H3-41 Maintenance Manual page 352

SECTION 07: TRANSMISSION
FUNCTION
PID/SID
Valve for
shifting to
low range
(VALR)
Valve for
slow
disengage-
PSID4
ment of the
clutch
(VASD)
Valve for
slow
disengage-
ment of the
clutch
(VASD)
Valve for
slow
disengage-
ment of the
clutch
(VASD)
Valve for
slow
engagement
PSID2
of the clutch
(VASE)
Valve for
slow
engagement
of the clutch
(VASE)
68
PA1621 Maintenance Manual All Series | January 2017
ERROR
FMI
J1587
Activate: The
high side drive is
Current above
short circuit to
normal or
FMI6 Gnd
grounded
Deactivate: The
circuit
high side drive is
OK
Activate: 1. The
high-side drive is
short circuit to
Ubatt and
Voltage
2. There is no
above normal
FMI3 active fault code
or shorted
for short circuit
high
to Ubatt on VAS-
Deactivate: The
high-side drive is
OK
Activate: The
high-side drive is
Current below
open circuit
FMI5 normal or
Deactivate: The
open circuit
high-side drive is
OK
Activate: The
high-side drive is
Current above
short circuit to
normal or
FMI6 Gnd
grounded
Deactivate: The
circuit
high-side drive is
OK
Activate: 1. The
high-side drive is
short circuit to
Ubatt and
Voltage
2. There is no
above normal
FMI3 active fault code
or shorted
for short circuit
high
to Ubatt on VAS-
Deactivate: The
high-side drive is
OK
Activate: The
high-side drive is
Current below
open circuit
FMI5 normal or
Deactivate: The
open circuit
high-side drive is
OK
CONDITION SYMPTOM
faulty gearbox
mode with gear
changes only at
certain vehicle
speeds
Yellow lamp is
sent
The valve can
not be activated
Range gears are
missing
Automatic gear
selection enters
faulty gearbox
mode with gear
changes only at
certain vehicle
speeds
Yellow lamp is
sent Slow
engagement/dis-
engagement
disabled
Reduced clutch
performance,
especially at
start and
marshalling
Yellow lamp is
sent
Slow
disengagement
disabled
Reduced clutch
performance
Yellow lamp is
sent Slow
disengagement
disabled
Reduced clutch
performance
Yellow lamp is
sent Slow
engagement/dis-
engagement
disabled
Reduced clutch
performance,
especially at
start and
marshalling
Yellow lamp is
sent Slow
engagement
disabled
Reduced clutch
performance,
especially at
start and
marshalling
COMMENT