PREVOST H3-41 Maintenance Manual page 329

FUNCTION
PID/SID
Range
engagement
system
Range
engagement
system
ERROR
FMI
J1587
Conditions to
set the fault
Blocked
code:
FMI11 engagement
-The low range
of low range
gear can not
engage
Conditions to
set the fault
Blocked
code:
FMI12 engagement
-The high range
of high range
gear can not
engage
PA1621 Maintenance Manual All Series | January 2017
SECTION 07: TRANSMISSION
CONDITION SYMPTOM
Yellow lamp is
sent
Loss of torque
Yellow lamp is
sent
Loss of torque
COMMENT
- There is no active fault
code for low air pressure
note: The fault will always
have the state inactive.
Check 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 low range can not
engage within 3.8s
- The gearbox oil
temperature is above 10dgC
- There is no active fault
code on any of the sensor
for the position of the range
cylinder (SEPoR) low air
pressure the range cylinder
valves
The fault is deactivated if
any of the following
conditions are fulfilled:
- The range cylinder position
sensor indicates that low
range is engaged
- The gearbox oil
temperature is below 10dgC
- There is an active fault on
any of the sensor for the
position of the range
cylinder (SEPoR) low air
pressure the range cylinder
valves
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 high range gear can
not engage within 3.8s
- The gearbox oil
temperature is above 10dgC
- There is no active fault on
any of the range position
sensor (SEPoR) low air
pressure the range cylinder
valves
- There is no active fault
code for low air pressure
The fault is deactivated if
any of the following
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