(Table 3, contd)
426
Machine Security System
Module Fault
X
429
Ignition Key Switch Fault
X
511
ECM Power Supply Voltage
Fault
X
X
X
X
514
SAE J1939 Data Link Fault
X
X
516
5 Volt Sensor DC Power
Supply Fault
X
X
517
8 Volt Sensor DC Power
Supply Fault
X
X
527
Customer/System Parmeter
Fault
X
X
X
(1)
If warning lamps are installed refer to this table. For installations that have electronic displays, refer to the OEM for information.
(2)
An
“
X
”
indicates that the effect on engine performance may occur if the code is active.
(3)
The operator should go to the nearest location that has a qualified service program.
(4)
Schedule Service: The problem should be investigated when the operator has access to a qualified service program.
(5)
These Flash Codes may affect the system under specific environmental conditions such as engine start-up at cold temperature and cold
weather operation at high altitudes.
(6)
If the primary engine speed/timing sensor fails there is no automatic protection against reverse running. In this event, Stop the engine imme-
diately. Turn the keyswitch to the
“
OFF
”
position. In order to check the correct operation of the sensor, refer to Troubleshooting, “Engine
speed/Timing sensor - Test”.
(7)
The engine will not start.
i01902949
Fault
Logging
The
system
provides
the
capability
of
Fault
Logging.
When
the
Electronic
Control
Module
(ECM)
generates
an
active
diagnostic
code,
the
code
will
be
logged
in
the
memory
of
the
ECM.
The
codes
that
have
been
logged
by
the
ECM
can
be
identified
by
the
electronic
service
tool.
The
active
codes
that
have
been
logged
will
be
cleared
when
the
fault
has
been
rectified
or
the
fault
is
no
longer
active.
The
following
logged
faults
can
not
be
cleared
from
the
memory
of
the
ECM
without
using
a
factory
password:
Overspeed,
low
engine
oil
pressure
and
high
engine
coolant
temperature.
i02651197
Engine
Operation
with
Active
Diagnostic
Codes
If
a
diagnostic
lamp
illuminates
during
normal
engine
operation,
the
system
has
identified
a
situation
that
is
not
within
the
specification.
Use
the
electronic
service
tool
to
check
the
active
diagnostic
codes.
The
active
diagnostic
code
should
be
investigated.
The
cause
of
the
problem
should
be
corrected
as
soon
as
possible.
If
the
cause
of
the
active
diagnostic
code
is
repaired
and
there
is
only
one
active
diagnostic
code,
the
diagnostic
lamp
will
turn
off.
Operation of the engine and performance of the
engine can be limited as a result of the active
diagnostic code that is generated. Acceleration rates
may be significantly slower and power outputs may
be automatically reduced. Refer to Troubleshooting ,
“Troubleshooting with a Diagnostic Code” for more
information on the relationship between each active
diagnostic code and the possible effect on engine
performance.
i01902995
Engine
Operation
with
Intermittent
Diagnostic
Codes
If
a
diagnostic
lamp
illuminates
during
normal
engine
operation
and
the
diagnostic
lamp
shuts
off,
an
intermittent
fault
may
have
occurred.
If
a
fault
has
occurred,
the
fault
will
be
logged
into
the
memory
of
the
Electronic
Control
Module
(ECM).
In
most
cases,
it
is
not
necessary
to
stop
the
engine
because
of
an
intermittent
code.
However,
the
operator
should
retrieve
the
logged
fault
codes
and
the
operator
should
reference
the
appropriate
information
in
order
to
identify
the
nature
of
the
event.
The
operator
should
log
any
observation
that
could
have
caused
the
lamp
to
light.
• Low power
• Limits of the engine speed
• Excessive smoke, etc
40
SEBU8119-04
