44 KENR6933
Troubleshooting Section
3. Use the electronic service tool to verify that the
following info
rmation has been entered correctly:
•
Engine serial number
•
Serial number for the electronic control module
•
Serial number
for the electronic service tool
•
Total tattletale
•
Reason code
i02413820
ECM Will Not Communicate
with Other Syste ms o r Disp lay
Modules
Probable Causes
•
Electrical connectors
•
Electronic C
ontrol Module (ECM)
Recommended
Actions
1. Connect the electronic service tool to the
service tool
connector. If the ECM does not
communicate with the electronic service tool, refer
to Tr oubleshooting, “Electronic Service Tool Will
Not Communi
cate with ECM”.
2. Ensure that the following items are
correctly i
nstalled and undamaged. Refer
to Troubleshooting, “Electrical Connectors -
Inspect”.
•
P1/J1 and P2/J2 connectors on the ECM
•
Wiring to di
splay modules
•
Wiring to other control modules
3. Troubleshoot the Perkins Data Link for possible
problems. Refer to Troubleshooting, “Data Link
Circuit - T
est”.
i02535551
Electronic Service Tool Will
Not Communicate with ECM
Probable Causes
•
Configuration
for the communications adapter
•
Electrical connectors
•
Communication adapter and/or cables
•
Electrical po
wer supply to the service tool
connector
•
Electronic se
rvice tool and related hardware
•
Electrical power supply to the Electronic Control
Module (ECM)
•
Perkins Data Link
Recommended Actions
Start the engine. If the engine starts, but the ECM
will not communicate with the electronic service tool,
continue wit
h this procedure. If the engine will not
start, refer to Troubleshooting, “Engine Cranks but
Will Not Start”. If the engine will not crank, refer to
Troubleshoo
ting, “Engine Will Not Crank”.
Configuration f or the Communications
Adapter
1. Access “Preferences” under the “Utilities” menu
on the elect
ronic service tool.
2. Verify that the correct “Communications Interface
Device” is s
elected.
3. Verify that the correct port is selected for use by
the commun
ication adapter.
Note: The most commonly used port is “COM 1”.
4. Check for any hardware that is utilizing the
same port as the communications adapter. If any
devices ar
econfiguredtousethesameport,exit
or close the software programs for that device.
Electrica
l Connectors
Check for correct installation of the P1/J1 and P2/J2
ECM connec
tors and of the service tool connector.
Refer to Troubleshooting, “Electrical Connectors -
Inspect”.
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