14 KENR9126
Troubleshooting Section
Connecting the Electronic Service Tool
and the Communi
cation Ad apter II
g02194714
Illustration 3
(1) Personal Com puter (PC)
(2) A dapter Cable (Computer Serial Port)
(3) Adapter Cable Assembly
(4) Communication Adapter II
(5) Adapter Cable Assembly
Note: Items (2), (3) and (4) are part of the
Communication Adapter II kit.
Use the following procedure in order to connect
the Electronic Service Tool and the Communication
Adapter II.
1. Turn the keyswitch to the OFF position.
2. Connect cable (2) between the “COMPUTER”
end of communication adapter (4) and the RS232
serial port of PC (1).
Note: The Adapter Cable Assembly (3) is required to
connect to the USB port on computers that are not
equipped with a RS232 serial port.
3. Connect cable (5) between the “DATA LINK” end
of communication adapter (4) and the diagnostic
connector.
4. Place the keyswitch in the ON position. If the
Electronic Ser
vice Tool and the communication
adapter do not communicate with the Electronic
Control Module (ECM), refer to the diagnostic
procedure Tro
ubleshooting, “Electronic Service
Tool Will Not Communicate With ECM”.
i04012392
Indicator Lam ps
Indicator L
amps
The functions of the indicator lamps are designed to
display th
e maximum amount of information on the
minimum number of lamps.
Seven lamp
s are available as options. The “Warning”
lamp will normally be installed in the application.
Dedicated optional lamps for other items may also
be instal
led. The remaining optional lamps are “Low
oil pressure”, “Low coolant level”, “High coolant
temperature”, “Maintenance clear” and “Water in
fuel”.
The “Warning” lamp and the “Diagnostic” lamp can
also be u
sed to indicate a diagnostic code by use of
the “Flash Code” feature. The “Flash Code” feature
can be used to indicate all active diagnostic codes
and log
ged diagnostic codes.
Functi
ons of the Lamps
Warning Lamp
Lamp check – When the keyswitch is turned to
ON, the lamp will illuminate for 2 seconds. The lamp
will t
hen be extinguished unless there is an active
warning.
Flas
hing – The lamp will be flashing when a
“warning” or a “derate” is active.
Diag
nostic Lamp
Lamp check – When the keyswitch is turned to
ON,
the lamp will illuminate for 2 seconds. The lamp
will then be extinguished unless there is an active
warning.
Flashing – The lamp will be flashing when a
“diagnostic” or a “warning and derate” is active.
Low Oil Pressure
La
mp check – When the keyswitch is turned to
ON, the lamp will illuminate for 2 seconds. The lamp
will then be extinguished unless there is an active
w
arning.
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