PREVOST H3-41 Maintenance Manual page 322

SECTION 07: TRANSMISSION
FUNCTION
PID/SID
Gears 2/3
engagement
PSID26
system
Gears 2/3
engagement
system
38
PA1621 Maintenance Manual All Series | January 2017
ERROR
FMI
J1587
Conditions to
set the fault
code:
-The 2/3 cylinder
Unintentional
position
disengageme
FMI0 indicates that the
nt of 2:nd
2/3 gear leaves
gear
the 2:nd position
- The 2:nd
cylinder valves
are inactive
Conditions to
set the fault
code:
Unintentional
-The 2/3 cylinder
FMI1 disengageme leaves the 3:rd
nt of 3:rd gear position
- The 3:rd
cylinder valves
are inactive
CONDITION SYMPTOM
Yellow lamp is
sent
Loss of torque
Yellow lamp is
sent
Loss of torque
COMMENT
position sensor (SEPo1R)
the valve for shift to 1:st
gear the valve for shift to
reverse gear
- There is no active fault
code for low air pressure
The fault is deactivated if
any of the following
conditions are fulfilled:
- The 1/R position sensor
indicates that neutral
position is engaged
- There is an active fault
code on any of the 1/R
position sensor (SEPo1R)
the valve for shift to 1:st
gear the valve for shift to
reverse gear
Detailed conditions to
activate/deactivate
The following conditions
must be fulfilled three times
(only one time 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 2/3 cylinder position
indicates that the 2/3 gear
leaves the 2:nd position
- The 2:nd cylinder valves
are inactive
- There is no active fault on
any of the sensor for the
position of the 2/3 cylinder
(SEPo23) the valve for shift
to 2:nd gear the valve for
shift to 3:rd gear
- There is no active fault
code for low air pressure
Note: The fault will always
have the state inactive.
Check the fault count and
last occurrence to get more
information.
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 2/3 cylinder position
indicates that the 2/3 gear
leaves the 3:rd position
- The 3:rd cylinder valves
are inactive
- There is no active fault on
any of the sensor for the
position of the 2/3 cylinder
(SEPo23) the valve for shift
to 2:nd gear the valve for