Perkins 1104E Series Troubleshooting Manual page 120

120
Troubleshooting Section
Illustration 40
MIC pin locations
A. Thoroughly inspect the following electrical
connectors:
•
ECM connector J1/P1
•
Data Link connectors J60 and J20/P20
•
J20 Customer connector (pin 4 and pin 5)
•
Electronic Service Tool connectors
•
Data Link (terminal 4 and terminal 5) in the
J1/P1 ECM connector
Refer to Troubleshooting, "Electrical Connectors -
Inspect" for details.
B. Perform a 45 N (10 lb) pull test on each of the
wires in the ECM connector that are associated
with the Data Link.
C. Check the ECM connector (Allen head screw) for
the proper torque of 6.0 N·m (55 lb in).
D. Check the harness and wiring for abrasion and
pinch points from the connector to the ECM.
Refer to Illustration 40.
Expected Result:
All connectors, pins and sockets should be
completely coupled and/or inserted. The harness and
wiring should be free of corrosion, abrasion and/or
pinch points.
Results:
•
OK – Proceed to Test Step 2.
•
Not OK
Repair: Perform the following repair:
Repair the connectors and/or wiring, or replace the
connectors and/or wiring. Ensure that all of the
seals are properly in place and ensure that the
connectors are completely coupled.
Verify that the repair eliminates the problem.
STOP.
Test Step 2. Determine the type of
Problem with the Data Link.
A. Connect the electronic service tool to the J60
service tool connector that is on the engine
harness.
B. Start the engine.
Expected Result:
Result 1 The engine starts. The electronic service
tool powers up and the electronic service tool
communicates without error.
Result 2 The engine starts. The electronic service
tool powers up but an error is displayed.
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