PREVOST H3-41 Maintenance Manual page 347

FUNCTION
PID/SID
Valve for fast
engagement
PSID1
of the clutch
(VAFE)
Valve for fast
engagement
of the clutch
(VAFE)
Valve for fast
engagement
of the clutch
(VAFE)
Valve for
shifting to
SID37
direct split
(VADS)
Valve for
shifting to
direct split
(VADS)
Valve for
shifting to
direct split
(VADS)
ERROR
FMI
J1587
Activate: 1. The
high-side drive is
short circuited to
Ubatt and, 2.
Voltage
there is no active
above normal
FMI3 fault code for
or shorted
short circuit to
high
Ubatt on VAF-
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: The
high side drive is
Voltage
short circuit to
above normal
FMI3 Ubatt
or shorted
Deactivate: The
high
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
PA1621 Maintenance Manual All Series | January 2017
SECTION 07: TRANSMISSION
CONDITION SYMPTOM
Gear changes
are slow
Yellow lamp is
sent
Fast
engagement/dis
engagement
disabled
Reduced clutch
performance
Gear changes
are slow
Yellow lamp is
sent
Fast
engagement
disabled
Reduced clutch
performance
Gear changes
are slow
Yellow lamp is
sent
Fast
engagement
disabled
Reduced clutch
performance
Gear changes
are slow
Yellow lamp is
sent
The valve is
activated
Indirect and
neutral split
gears are
missing
Automatic gear
selection enters
faulty gearbox
mode with gear
changes only at
certain vehicle
speeds
Yellow lamp is
sent
The valve can
not be activated
Split gears are
missing
Automatic gear
selection enters
faulty gearbox
mode with gear
changes only at
certain vehicle
speeds
Yellow lamp is
sent
The valve can
not be activated
Split gears are
missing
Automatic gear
COMMENT
63