KENR6933 13
Troubleshooting Section
Use the following procedure in order to connect
the Electronic
Service Tool and the Communication
Adapter II.
1. Turn the keysw
itch to the OFF position.
2. Connect cable (2) between the “COMPUTER”
end of communi
cation adapter (3) and the RS232
serial port of PC (1).
Note: The Adap
ter Cable Assembly (4) is required to
connect to the USB port on computers that are not
equipped with a RS232 serial port.
3. Connect cable (4) between the “DATA LINK” end
of communication adapter (3) and the service tool
connector.
4. Place the keyswitch in the ON position. If the
Electronic S
ervice Tool and the communication
adapter do not communicate with the Electronic
Control Module (ECM), refer to the diagnostic
procedure T
roubleshooting, “Electronic Service
Tool Will Not Communicate With ECM”.
i02492452
Indic ator Lamps
Indicator L
amps
The functions of the indicator lamps are designed to
display the
maximum amount of information on the
minimum number of lamps.
Five lamps
are available as options. The “Shutdown”
lamp and the “Warning” lamp will normally be
installed in the application. Dedicated optional lamps
for other i
tems may also be installed. The remaining
optional lamps are “Wait to start”, “Low oil pressure”
and “PTO mode on”.
The “Shutdown” lamp and the “Warning” lamp can
also be used to indicate a diagnostic code by use of
the “Flas
h Code” feature. The “Flash Code” feature
can be used to indicate all active diagnostic codes
and logged diagnostic codes.
Functions of the Lamps
Shutdown Lamp
Lamp che
ck – When the keyswitch is turned to ON,
thelampwillcomeonfor2seconds.Thelampwill
then go off unless there is an active warning.
Flashing – The lamp will be flashing when a derate
is active or whe
n a derate is present because of
an active diagnostic code. An example of an active
diagnostic code is “System V oltage High”.
On – The lamp will be on when the shutdown level
in the engine protection strategy has been reached.
The “Warning
” lamp will also be on.
Warning Lamp
Lamp check – When the keyswitch is turned to ON,
the lamp will come on for 2 seconds. The lamp will
then go off un
less there is an active warning.
Flashing – The lamp will be flashing when a
“warning” or
a “warning and derate” is active. This
includes low oil pressure.
On – Thelampw
ill be on when the shutdown level
has been reached. The “Shutdown” lamp will also
be on.
Wait to Start Lamp
Lamp check –
When the keyswitch is turned to ON,
the lamp will come on for 2 seconds. The lamp will
then go off unless “Wait to Start” is active.
On – Thelampisonduringa“WaittoStart”period.
Low Oil P res
sure
Lamp check – When the keyswitch is turned to ON,
the lamp wil
l come on for 2 seconds. The lamp will
then go off unless there is an active warning.
On – The lam
pwillcomeonwhenalowoilpressure
event is detected. The “Warning” lamp and the
“Shutdown” lamp may also come on.
PTO Lamp
Lamp check
– When the keyswitch is turned to ON,
the lamp will come on for 2 seconds. The lamp will
then go off unless the PTO mode is active.
Flashing – Thelampwillbeflashing when the PTO
mode is turned on but when the PTO is not engaged.
On – ThelampwillcomeonwhenPTOmodeis
engaged.
Color of L amps
Typically, the “Shutdown” lamp is colored red and the
“Warning” lamp is colored amber. The other lamps
are opti
onal.
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