Troubleshooting

40 RENR2696-01
Troubleshooting Section
i02270218
ECM Will Not Accept Factory
Passwords
The connection of any electrical equipment and
the disconnection o f any electrical equipment may
cause an expl
osion hazard which may result in in-
jury or death. Do not connect any electrical equip-
ment or disconnect any electrical equipment in an
explosive at
mosphere.
Probable Cau
ses
One of the following items may not be recorded
correctly on
the electronic service tool:
•
Passwords
•
Serial numbers
•
To t a l t a tt l e
tale
•
Reason code
Recommended Actions
1. Verify that the correct passwords were entered.
Check every character in each password. Remove
the electri
cal power from the engine for 30
seconds and then retry.
2. Verify that
the electronic service tool is on the
“Factory Password” screen.
3. Use the elec
tronic service tool to verify that the
following information has been entered correctly:
•
Engine seri
al number
•
Serial number for the electronic control module
•
Serial number for the electronic service tool
•
To t a l t a tt
letale
•
Reason code
i01798117
ECMWillNotCommunicate
with Other Systems or Display
Modules
Probable Causes
•
ECM
•
Electrical co
nnectors
•
Data Link
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 Troubleshooting, “Electronic Service Tool Will
Not Communicate with ECM”.
2. Ensure that the following items are
correctly installed and undamaged. Refer
to Troubles
hooting, “Electrical Connectors -
Inspect”.
•
J1/P1 ECM co
nnector
•
J20/P20 Machine interface connector
•
Wiring to display modules
•
Wiring to ot
her control modules
3. Troubleshoot the Data Link for possible problems.
Refer to Tro
ubleshooting, “Data Link Circuit -
Te s t ” .
i01798118
Electronic Service Tool Will
Not Communicate with ECM
Probable Causes
•
The electr
onic service tool is not correctly
configured.
•
The cables
to the electronic service tool are not
connected correctly.
•
The electr
onic service is not functioning.